| British Academy [43] |
| Fellow of the British Academy | FBA |
| Learned Society of Wales |
| Fellow of the Learned Society of Wales | FLSW |
| Royal Academicians [46] |
| President of the Royal Academy | PRA |
| Past President of the Royal Academy | PPRA |
| Royal Academician | RA |
| Associate of the Royal Academy | ARA |
| Honorary Royal Academician | HonRA |
| Royal Academy of Engineering |
| Fellow of the Royal Academy of Engineering | FREng |
| Royal Institution of Great Britain |
| Fellow of the Royal Institution of Great Britain (This membership grade was abolished in 2015.) | FRi |
| Member of the Royal Institution of Great Britain | MRi |
| Associate Member of the Royal Institution of Great Britain | AMRi |
| Royal Irish Academy [49] [N 22] |
| Member of the Royal Irish Academy | MRIA |
| Royal Scottish Academicians [46] |
| President of the Royal Scottish Academy | PRSA |
| Past President of the Royal Scottish Academy | PPRSA |
| Royal Scottish Academician | RSA |
| Associate of the Royal Scottish Academy | ARSA |
| Honorary Royal Scottish Academician | HRSA [50] |
| The Royal Society |
| Fellow of the Royal Society | FRS [43] |
| Honorary Fellow of the Royal Society | HonFRS |
| President of the Royal Society | PRS [43] [N 23] |
| Foreign Member of the Royal Society | ForMemRS |
| Royal Society of Edinburgh [43] |
| Fellow of the Royal Society of Edinburgh | FRSE |
| A |
| Association of Accounting Technicians [51] |
| Fellow Member of the Association of Accounting Technicians | FMAAT |
| Member of the Association of Accounting Technicians | MAAT |
| AAT Bookkeeper | AATQB [52] |
| Institute of Acoustics (United Kingdom) [53] |
| Honorary Fellow of the Institute of Acoustics | HonFIOA |
| Fellow of the Institute of Acoustics | FIOA |
| Member of the Institute of Acoustics | MIOA |
| Associate Member of the Institute of Acoustics | AMIOA |
| Technician Member of the Institute of Acoustics | TechIOA |
| Institute and Faculty of Actuaries [54] |
| Honorary Fellow of the Institute and Faculty of Actuaries | HonFIA or HonFFA |
| Fellow of the Institute and Faculty of Actuaries | FIA* or FFA* [N 24] |
| Associate of the Institute and Faculty of Actuaries | AIA* or AFA* |
| Institute of Administrative Management [55] |
| Fellow of the Institute of Administrative Management | FInstAM |
| Member of the Institute of Administrative Management | MInstAM |
| Associate of the Institute of Administrative Management | AInstAM |
| The Royal Aeronautical Society [56] |
| Fellow of the Royal Aeronautical Society | FRAeS* |
| Companion of the Royal Aeronautical Society | CRAeS |
| Member of the Royal Aeronautical Society | MRAeS* |
| Associate Member of the Royal Aeronautical Society | AMRAeS |
| Associate of the Royal Aeronautical Society | ARAeS |
| Institution of Agricultural Engineers [57] |
| Honorary Fellow of the Institution of Agricultural Engineers | HonFIAgrE |
| Fellow of the Institution of Agricultural Engineers | FIAgrE |
| Member of the Institution of Agricultural Engineers | MIAgrE |
| Associate Member of the Institution of Agricultural Engineers | AMIAgrE |
| Technician of the Institution of Agricultural Engineers | TIAgrE |
| Affiliate of the Institution of Agricultural Engineers | AIAgrE |
| Agricultural Law Association [58] |
| Fellow of the Agricultural Law Association (United Kingdom) | FALA |
| Central Association of Agricultural Valuers [59] |
| Fellow of the Central Association of Agricultural Valuers | FAAV |
| Institution of Analysts and Programmers [60] |
| Fellow of the Institution of Analysts and Programmers | FIAP |
| Member of the Institution of Analysts and Programmers | MIAP |
| Associate Member of the Institution of Analysts and Programmers | AMIAP |
| Graduate of the Institution of Analysts and Programmers | GradIAP |
| Royal Anthropological Institute [61] |
| Fellow of the Royal Anthropological Institute of Great Britain and Ireland | FRAI |
| Society of Antiquaries of London [62] |
| Fellow of the Society of Antiquaries of London | FSA |
| Society of Antiquaries of Scotland [63] |
| Fellow of the Society of Antiquaries of Scotland | FSAScot |
| Chartered Institute of Arbitrators [64] |
| Fellow of the Chartered Institute of Arbitrators | FCIArb* |
| Member of the Chartered Institute of Arbitrators | MCIArb* |
| Associate of the Chartered Institute of Arbitrators | ACIArb* |
| Chartered Institute for Archaeologists [65] |
| Member of the Chartered Institute for Archaeologists | MCIfA |
| Associate of the Chartered Institute for Archaeologists | ACIfA |
| Practitioner of the Chartered Institute for Archaeologists | PCIfA |
| Architects Registration Board [66] |
| Registered Architect in the United Kingdom | ARB |
| Royal Institute of Architects in Scotland [67] |
| Fellow, Academic Fellow, or Retired Fellow of the Royal Institute of Architects in Scotland | FRIAS |
| Honorary Fellow of the Royal Institute of Architects in Scotland | Hon FRIAS |
| Chartered Institute of Architectural Technologists [68] |
| Chartered Architectural Technologists | MCIAT* |
| Chartered Architectural Technologists and Fellow of the Chartered Institute of Architectural Technologists | FCIAT |
| Associate Member of the Chartered Institute of Architectural Technologists | ACIAT |
| The Royal College of Art [69] |
| Fellow of the Royal College of Art | FRCA [70] |
|
| The Royal Society of Arts [71] |
| Fellow of the Royal Society of Arts | FRSA |
| Royal Designer for Industry | RDI |
| The Royal Scottish Society of Arts [72] |
| Fellow of the Royal Scottish Society of Arts | FRSSA |
| Archives and Records Association [73] |
| Registered Member of the Archives and Records Association | RMARA |
| Royal Asiatic Society of Great Britain and Ireland [74] |
| Fellow of the Royal Asiatic Society of Great Britain and Ireland | FRAS [N 25] |
| Institute of Asset Management [80] |
| Fellow of the Institute of Asset Management | FIAM |
| Member of the Institute of Asset Management | MIAM |
| Royal Astronomical Society [81] |
| Fellow of the Royal Astronomical Society | FRAS |
| Institute of Automotive Engineer Assessors [82] |
| Fellow of the Institute of Automotive Engineer Assessors | F.Inst.I.A.E.A. |
| Member of the Institute of Automotive Engineer Assessors | M.Inst.I.A.E.A. |
| Associate Member of the Institute of Automotive Engineer Assessors | A.Inst.I.A.E.A. |
| B |
| Society of Bereavement Practitioners [83] |
| Fellow of The Society of Bereavement Practitioners | FSPB |
| Accredited Member of The Society of Bereavement Practitioners | MSPB(Acc) |
| Member of The Society of Bereavement Practitioners | MSPB |
| Royal Society of Biology [84] |
| Associate member of the Royal Society of Biology | AMRSB |
| Member of the Royal Society of Biology | MRSB |
| Fellow of the Royal Society of Biology | FRSB |
| Institute of Biomedical Science [85] |
| Fellow of the Institute of Biomedical Science | FIBMS |
| Member of the Institute of Biomedical Science | MIBMS |
| Licentiate of the Institute of Biomedical Science | LIBMS |
| The Institute of Boarding (Part of the BSA Group) |
| Supporting Member of The Institute of Boarding | STIOB |
| Associate Member of The Institute of Boarding | ATIOB |
| Member of The Institute of Boarding | MTIOB |
| Fellow/Fellow Emeritus Member of The Institute of Boarding | FTIOB |
| Royal Institute of British Architects [86] |
| Past President [N 26] of the Royal Institute of British Architects | PPRIBA |
| Honorary Fellow of the Royal Institute of British Architects | Hon. FRIBA |
| International Fellow of the Royal Institute of British Architects | Int. FRIBA |
| Chartered Member of the Royal Institute of British Architects | RIBA |
| Initials still allowed for use if granted prior to the 1971 charter: |
| Fellow of the Royal Institute of British Architects | FRIBA |
| Associate of the Royal Institute of British Architects | ARIBA |
| Licentiate of the Royal Institute of British Architects | LRIBA |
| British Occupational Hygiene Society | |
| Chartered Member of the Faculty of Occupational Hygiene | CMFOH |
| Licentiate of the Faculty of Occupational Hygiene | LFOH |
| Associate of the Faculty of Occupational Hygiene | AFOH |
| Member of the Faculty of Asbestos Assessment and Management | MFAAM |
| |
| Institute of Builders' Merchants |
| Fellow of the Institute of Builders' Merchants | FIBM |
| Member of the Institute of Builders' Merchants | MIBM |
| Chartered Institute of Building [87] |
| Fellow of the Chartered Institute of Building | FCIOB |
| Chartered Member of the Chartered Institute of Building (Chartered Construction Manager or Chartered Builder) | MCIOB* |
| Initials still allowed for use (until 2025) if granted prior to 1 July 2015: |
| Associate member of the Chartered Institute of Building | ACIOB* |
| Incorporated member of the Chartered Institute of Building | ICIOB |
| Chartered Association of Building Engineers [88] |
| Fellow of the Chartered Association of Building Engineers | FCABE |
| Member of the Chartered Association of Building Engineers | MCABE |
| Associate member of the Chartered Association of Building Engineers | ACABE |
| Graduate member of the Chartered Association of Building Engineers | GradCABE |
| Chartered Institution of Building Services Engineers [89] |
| Fellow of the Chartered Institution of Building Services Engineers | FCIBSE |
| Member of the Chartered Institution of Building Services Engineers | MCIBSE* |
| Associate of the Chartered Institution of Building Services Engineers | ACIBSE |
| Licentiate of the Chartered Institution of Building Services Engineers | LCIBSE |
| Forum for the Built Environment [90] |
| Fellow of the Forum for the Built Environment | FFB |
| Member of the Forum for the Built Environment | MFB |
| Burgon Society [91] |
| Fellow of the Burgon Society | FBS |
| Business Continuity Institute [92] |
| Fellow of the Business Continuity Institute | FBCI |
| Associate Fellow of the Business Continuity Institute | AFBCI |
| Member of the Business Continuity Institute | MBCI |
| Associate Member of the Business Continuity Institute | AMBCI |
| C |
| Institute of Chartered Accountants in England & Wales [93] [94] |
| Chartered Accountant (Associate of the Institute of Chartered Accountants in England & Wales) | ACA* |
| Chartered Accountant (Fellow of the Institute of Chartered Accountants in England & Wales) | FCA* |
| Institute of Chartered Accountants of Scotland [95] |
| Chartered Accountant (Member of the Institute of Chartered Accountants) | CA* |
| Association of Chartered Certified Accountants [96] |
| Chartered Certified Accountant (Fellow of the Association of Chartered Certified Accountants) | FCCA* |
| Chartered Certified Accountant (Member of the Association of Chartered Certified Accountants) | ACCA* |
| Institute of Chartered Foresters [97] |
| Fellow of the Institute of Chartered Foresters | FICFor |
| Member of the Institute of Chartered Foresters | MICFor* |
| The Chartered Governance Institute, formerly Institute of Chartered Secretaries and Administrators [98] |
| Fellow of The Chartered Governance Institute | FCG/FCIS |
| Associate of The Chartered Governance Institute | ACG/ACIS |
| Affiliate of The Chartered Governance Institute | CG (Affiliated)/CIS (Affiliated) |
| Graduate Member of The Chartered Governance Institute | GradCG/GradICSA |
| Royal Institution of Chartered Surveyors |
| Fellow of the Royal Institution of Chartered Surveyors | FRICS |
| Member of the Royal Institution of Chartered Surveyors | MRICS* |
| Associate of the Royal Institution of Chartered Surveyors | AssocRICS* |
| Institution of Chemical Engineers |
| Fellow of the Institution of Chemical Engineers | FIChemE |
| Member of the Institution of Chemical Engineers | MIChemE* |
| Associate Member of the Institution of Chemical Engineers | AMIChemE |
| Royal Society of Chemistry [99] |
| Fellow of the Royal Society of Chemistry | FRSC |
| Member of the Royal Society of Chemistry | MRSC |
| Associate Member of the Royal Society of Chemistry | AMRSC |
| Royal College of Chiropractors [100] |
| Members of one of the specialist faculties add the abbreviation for that faculty in parentheses after the post-nominal for their membership level: |
| Pain Faculty | (Pain) [101] |
| Animal Faculty | (Animal) [102] |
| Pregnancy & Paediatrics Faculty | (Paeds) [103] |
| Sport & Exercise Faculty | (Sport) [104] |
| Orthopaedics & Rehabilitation Faculty | (Ortho) [105] |
| Fellow of the Royal College of Chiropractors | FRCC |
| Member of the Royal College of Chiropractors | MRCC |
| Licentiate of the Royal College of Chiropractors | LRCC |
| The Churchill Fellowship |
| Churchill Fellow | CF [106] |
| British Society of Cinematographers [107] |
| Full Member of the British Society of Cinematographers | BSC |
| Associate Member of the British Society of Cinematographers | Assoc. BSC [N 27] |
| Institute for Civil Protection & Emergency Management [108] |
| Fellow of the Institute for Civil Protection & Emergency Management | FICPEM |
| Member of the Institute for Civil Protection & Emergency Management | MICPEM |
| Associate Member of the Institute for Civil Protection & Emergency Management | AMICPEM |
| Institution of Civil Engineers |
| Fellow of the Institution of Civil Engineers | FICE |
| Member of the Institution of Civil Engineers | MICE* |
| Associate Member of the Institution of Civil Engineers | AMICE |
| Graduate Member of the Institution of Civil Engineers | GMICE |
| Institute of Clinical Research [109] |
| Registered member of the Institute of Clinical Research | RICR |
| Professional member of the Institute of Clinical Research | MICR |
| Fellow of the Institute of Clinical Research | FICR |
| British Computer Society [110] |
| Fellow of the British Computer Society | FBCS |
| Member of the British Computer Society | MBCS |
| Associate Member of the British Computer Society | AMBCS |
| Institute of Concrete Technology |
| Fellow of the Institute of Concrete Technology | FICT |
| Institute of Consulting [111] |
| Fellow of the Institute of Consulting | FIC |
| Member of the Institute of Consulting | MIC |
| Associate of the Institute of Consulting | AIC |
| Institute of Continuing Professional Development |
| Fellow of the Institute of Continuing Professional Development | FInstCPD |
| Member of the Institute of Continuing Professional Development | MInstCPD |
| Institute for Continuous Improvement in Public Services [112] |
| Fellow of the Institute for Continuous Improvement in Public Services | FICiPS |
| Practitioner of the Institute for Continuous Improvement in Public Services | PICiPS |
| Member of the Institute for Continuous Improvement in Public Services | MICiPS |
| Institute of Corporate Responsibility and Sustainability |
| Fellow of the Institute of Corporate Responsibility and Sustainability | FICRS |
| Member of the Institute of Corporate Responsibility and Sustainability | MICRS |
| Associate of the Institute of Corporate Responsibility and Sustainability | AICRS |
| British Association for Counselling and Psychotherapy |
| Member of the British Association for Counselling and Psychotherapy | MBACP |
| Accredited Member of the British Association for Counselling and Psychotherapy | MBACP (Accred.) |
| Senior Accredited Member of the British Association for Counselling and Psychotherapy | MBACP (Snr Accred.) |
| Society of Crematorium Organists [113] |
| Fellow of the Society of Crematorium Organists | FSCO |
| CREST – The professional body for the technical security industry [114] |
| Fellow of CREST | FCREST [115] [116] |
| The Cybernetics Society [117] |
| Fellow of the Cybernetics Society | FCybS |
| Member of the Cybernetics Society | MCybS |
| Honorary Fellow of the Cybernetics Society | HonFCybS |
| D |
| Royal United Services Institute for Defence & Security Studies |
| Fellow of the Royal United Services Institute for Defence & Security Studies | FRUSI |
| Chartered Society of Designers |
| Fellow of the Chartered Society of Designers | FCSD |
| Member of the Chartered Society of Designers | MCSD |
| British Dietetic Association [118] |
| Fellow of the British Dietetic Association | FBDA |
| Member of the British Dietetic Association | MBDA |
| Institute of Directors [119] |
| Fellow of the Institute of Directors | FIoD |
| Member of the Institute of Directors | MIoD |
| Association of British Dispensing Opticians |
| Fellow of the Association of British Dispensing Opticians | FBDO |
| Roll of Distinguished Philatelists |
| Signatory to the Roll of Distinguished Philatelists | RDP |
| Society of Dyers and Colourists [120] |
| Fellow of the Society of Dyers and Colourists | FSDC |
| Licentiate of the Society of Dyers and Colourists | LSDC* |
| Associate of the Society of Dyers and Colourists | ASDC |
| E |
| Chartered Institute of Ecology and Environmental Management |
| Fellow of the Chartered Institute of Ecology and Environmental Management | FCIEEM |
| Member of the Chartered Institute of Ecology and Environmental Management | MCIEEM |
| Royal Economic Society [121] |
| Fellow of the Royal Economic Society | FREcon |
| Educational Institute of Scotland |
| Fellow of the Educational Institute of Scotland | FEIS |
| Institution of Electrical Engineers |
| Fellow of the Institution of Electrical Engineers | FIEE |
| Member of the Institution of Electrical Engineers | MIEE |
| British Institute of Embalmers |
| Member of the British Institute of Embalmers | MBIE |
| Faculty of Emergency Nursing |
| Associate of the Faculty of Emergency Nursing | AFEN |
| Member of the Faculty of Emergency Nursing | MFEN |
| Fellow of the Faculty of Emergency Nursing | FFEN |
| Emergency Planning Society [122] |
| Fellow of the Emergency Planning Society | FEPS |
| Member of the Emergency Planning Society | MEPS |
| Associate Member of the Emergency Planning Society | AMEPS |
| Energy Institute |
| Member of the Energy Institute | MEI* |
| Fellow of the Energy Institute | FEI* |
| Bureau of Engineer Surveyors |
| Fellow of the Bureau of Engineer Surveyors | FBES |
| Member of the Bureau of Engineer Surveyors | MBES |
| Associate Member of the Bureau of Engineer Surveyors | AMBES |
| Institution of Engineering and Technology |
| Honorary Fellow of the Institution of Engineering and Technology | HonFIET |
| Fellow of the Institution of Engineering and Technology | FIET |
| Member of the Institution of Engineering and Technology | MIET* |
| Technician Member of the Institution of Engineering and Technology | TMIET |
| Institution of Engineering Designers |
| Fellow of the Institution of Engineering Designers | FIED |
| Member of the Institution of Engineering Designers | MIED |
| Associate of the Institution of Engineering Designers | AIED |
| Institution of Engineers in Scotland [123] |
| Fellow of the Institution of Engineers in Scotland | FIES |
| Member of the Institution of Engineers in Scotland | MIES |
| Royal Entomological Society |
| Honorary Fellow of the Royal Entomological Society | Hon.FRES |
| Fellow of the Royal Entomological Society | FRES |
| Member of the Royal Entomological Society | Mem.RES |
| Chartered Institute of Environmental Health |
| Fellow of the Chartered Institute of Environmental Health | FCIEH |
| Member of the Chartered Institute of Environmental Health | MCIEH |
| Royal Environmental Health Institute of Scotland [124] |
| Fellow of the Royal Environmental Health Institute of Scotland | FREHIS |
| Member of the Royal Environmental Health Institute of Scotland | MREHIS |
| Institute of Event Management |
| Fellow of the Institute of Event Management | FIEM |
| Member of the Institute of Event Management | MIEM |
| Associate of the Institute of Event Management | AIEM |
| The Academy of Experts [125] [126] |
| Associate Member (AMAE) of The Academy of Experts | AMAE |
| Full Member of The Academy of Experts | MAE |
| Fellow of The Academy of Experts | FAE |
| Qualified Dispute Resolver (Mediator) | QDR |
| Institute of Explosives Engineers |
| Fellow of the Institute of Explosives Engineers | FIExpE |
| Member of the Institute of Explosives Engineer | MIExpE |
| Executive and Personal Assistants' Association | |
| Affiliate Professional of the Executive and Personal Assistants' Association | APEPAA |
| Associate of the Executive and Personal Assistants' Association | AEPAA |
| Member of the Executive and Personal Assistants' Association | MEPAA |
| Fellow of the Executive and Personal Assistants' Association | FEPAA |
| F |
| Worshipful Company of Farriers [127] |
| Associateship of the Worshipful Company of Farriers | AWCF |
| Fellowship of the Worshipful Company of Farriers | FWCF |
| Institute of Financial Accountants |
| Fellow of the Institute of Financial Accountants | FFA |
| Associate of the Institute of Financial Accountants | AFA |
| Institution of Fire Engineers |
| Graduate of the Institution of Fire Engineers | GIFireE |
| Member of the Institution of Fire Engineers | MIFireE |
| The Institute of Fire Safety Managers |
| Fellow of The Institute of Fire Safety Managers | FIFSM |
| Member of The Institute of Fire Safety Managers | MIFSM |
| Associate of The Institute of Fire Safety Managers | AIFSM |
| Technician of The Institute of Fire Safety Managers | TIFSM |
| Student of The Institute of Fire Safety Managers | SIFSM |
| Honorary Member of The Institute of Fire Safety Managers | Hon MIFSM |
| Institute of Food Science & Technology [128] |
| Fellow of the Institute of Food Science and Technology | FIFST |
| Member of the Institute of Food Science and Technology | MIFST |
| The Chartered Society of Forensic Science [129] | |
| Fellow of the Chartered Society of Forensic Science | FCSFS |
| Member of the Chartered Society of Forensic Science | MCSFS |
| Associate of the Chartered Society of Forensic Science | ACSFS |
| G |
| Worshipful Company of Gunmakers [130] |
| Master Gunmaker of the Worshipful Company of Gunmakers | MAsR.G |
| Institute of Gas Engineers and Managers [131] |
| Note: Members (except Member Managers) and Fellows must also hold CEng, IEng, or EngTech |
| Fellow of the Institute of Gas Engineers and Managers | FIGEM |
| Member of the Institute of Gas Engineers and Managers | MIGEM* |
| Graduate Member of the Institute of Gas Engineers and Managers | GradIGEM |
| Gemmological Association of Great Britain (Gem-A) |
| Foundation in Gemmology Certificate | Cert. GA |
| Fellow of the Gemmological Association of Great Britain (Diploma in Gemmology) | FGA |
| Diamond Fellows of the Gemmological Association (Diamond Diploma) | DGA |
| Royal Geographical Society (with Institute of British Geographers) |
| Fellow of the Royal Geographical Society | FRGS |
| Royal Scottish Geographical Society |
| Fellow of the Royal Scottish Geographical Society | FRSGS |
| Geological Society of London [132] |
| Fellow of the Geological Society of London | FGS |
| Guild of Liturgical Organists |
| Fellow of the Guild of Liturgical Organists | FGLO |
| H |
| British Society of Hearing Aid Audiologists |
| Fellow of the British Society of Hearing Aid Audiologists | FSHAA |
| Member of the British Society of Hearing Aid Audiologists | MSHAA |
| The Heraldry Society [133] |
| Fellow of The Heraldry Society | FHS |
| Honorary Fellow of The Heraldry Society | HonFHS |
| The Heraldry Society's Diploma | DipHS |
| Higher Education Academy (formerly the Institute for Learning and Teaching in Higher Education) |
| Associate Fellow of the Higher Education Academy (formerly Associate) | AFHEA (formerly AHEA) |
| Fellow of the Higher Education Academy | FHEA |
| Senior Fellow of the Higher Education Academy | SFHEA |
| Principal Fellow of the Higher Education Academy | PFHEA |
| National Teaching Fellow of Advance HE | NTF |
| Member of the Institute for Learning and Teaching in Higher Education | ILTM (superseded by FHEA) |
| Association of Higher Education Professionals |
| Fellow of the Association of Higher Education Professionals | FAHEP |
| Accredited Member of the Association of Higher Education Professionals | AMAHEP |
| Member of the Association of Higher Education Professionals | MAHEP |
| Institute of Highway Engineers |
| Fellow of the Institute of Highway Engineers | FIHE |
| Member of the Institute of Highway Engineers | MIHE |
| Associate Member of the Institute of Highway Engineers | AMIHE |
| Apprentice Member of the Institute of Highway Engineers | APPIHE |
| Road Safety Auditors Register of the Institute of Highway Engineers | RegRSA (IHE) |
| Chartered Institution of Highways and Transportation |
| Fellow of the Chartered Institution of Highways and Transportation | FCIHT |
| Member of the Chartered Institution of Highways and Transportation | MCIHT |
| Associate Member of the Chartered Institution of Highways and Transportation | AMCIHT |
| Historical Association |
| Fellow of the Historical Association | FHA [134] |
| Royal Historical Society |
| Member of the Royal Historical Society | MRHistS |
| Fellow of the Royal Historical Society | FRHistS |
| British Horological Institute |
| Fellow of the British Horological Institute | FBHI |
| Member of the British Horological Institute | MBHI |
| Licentiate of the British Horological Institute | LBHI |
| Institute of Hospitality |
| Fellow of the Institute of Hospitality | FIH |
| Member of the Institute of Hospitality | MIH |
| Associate Member of the Institute of Hospitality | AIH |
| Chartered Institute of Housing [135] |
| Fellow of the Chartered Institute of Housing | FCIH (obsolete but allowed if previously granted) |
| Chartered Institute of Housing Chartered Member | CIH Chartered Member or CIHCM |
| Member of the Chartered Institute of Housing | CIH Member or CIHM (MCIH* (obsolete)) |
| Associate of the Chartered Institute of Housing | ACIH (obsolete) |
| I |
| Chartered Institute of Information Security [136] |
| Fellow of the Chartered Institute of Information Security | FCIIS |
| Member of the Chartered Institute of Information Security | MCIIS |
| Associate of the Chartered Institute of Information Security | ACIIS |
| Accredited Affiliate of the Chartered Institute of Information Security | AfCIIS |
| British Institute of Innkeeping |
| Fellow of the British Institute of Innkeeping | FBII |
| Member of the British Institute of Innkeeping | MBII |
| Chartered Insurance Institute |
| Award Qualified member of the Chartered Insurance Institute | CII (Award) |
| Certificate Qualified member of the Chartered Insurance Institute | Cert CII |
| Diploma qualified member of the Chartered Insurance Institute | DipCII |
Associate of the Chartered Insurance Institute (Chartered Insurer/Chartered Insurance Practitioner/Chartered Insurance Broker) | ACII* |
| Fellow of the Chartered Insurance Institute | FCII |
| Institute of Interim Management |
| Companion of the Institute of Interim Management | CIIM |
| Member of the Institute of Interim Management | MIIM |
| Associate of the Institute of Interim Management | AIIM |
| Chartered Institute of Internal Auditors |
| Certified Internal Auditor | CIA |
| Qualification in Internal Audit Leadership | QIAL |
| Chartered Internal Auditor | CMIIA |
| Irish Guild of Organists and Choristers |
| Fellow of the Irish Guild of Organists and Choristers | FIGOC |
| Licentiate of the Irish Guild of Organists and Choristers | LIGOC (suspended) |
| Associate of the Irish Guild of Organists and Choristers | AIGOC |
| Institute of IT Training |
| Companion of the Institute of IT Training | CIITT |
| Fellow of the Institute of IT Training | FIITT |
| Member of the Institute of IT Training | MIITT |
| Institute Certified Training Practitioner (Institute of IT Training) | ICTP |
| Senior Associate Member of the Institute of IT Training | SIITT |
| Associate Member of the Institute of IT Training | AIITT |
| Institute of Supply Chain Management |
| Learner Institute of Supply Chain Management | LSCM |
| Affiliate Member Institute of Supply Chain Management | AFSCM |
| Member of the Institute of Supply Chain Management | MSCM |
| Associate Member Institute of Supply Chain Management | ASCM |
| Professional Member Institute of Supply Chain Management | PSCM |
| Expert Member Institute of Supply Chain Management | ESCM |
| Consultant Member Institute of Supply Chain Management | CSCM |
| Fellow of Institute of Supply Chain Management | FSCM |
| J |
| Chartered Institute of Journalists [137] |
| Member of the Chartered Institute of Journalists | MCIJ |
| Fellow of the Chartered Institute of Journalists | FCIJ |
| K |
| British Kinematograph, Sound and Television Society |
| Fellow of the British Kinematograph, Sound and Television Society | FBKS |
| Member of the British Kinematograph, Sound and Television Society | MBKS |
| L |
| Landscape Institute |
| Fellow of the Landscape Institute | FLI |
| Chartered Member of the Landscape Institute | CMLI |
| Institute of Leadership [138] |
| Fellow of the Institute of Leadership | FIoL |
| Member of the Institute of Leadership | MIoL |
| Associate Member of the Institute of Leadership | AMIoL |
| Affiliate of the Institute of Leadership | AIoL |
| Institute for Learning |
| Fellow of the Institute for Learning | FIfL |
| Member of the Institute for Learning | MIfL |
| British Institute for Learning and Development |
| Associate of the British Institute for Learning & Development | ABILD |
| Member of the British Institute for Learning & Development | MBILD |
| Fellow of the British Institute for Learning & Development | FBILD |
| Association for Learning Technology |
| Certified Member of the Association for Learning Technology | CMALT |
| Institute of Licensed Trade Stock Auditors |
| Fellow of the Institute of Licensed Trade Stock Auditors | FILSA |
| Member of the Institute of Licensed Trade Stock Auditors | MILSA |
| Chartered Institute of Linguists [139] |
| Fellow of the Chartered Institute of Linguists | FCIL |
| Member of the Chartered Institute of Linguists | MCIL |
| Associate of the Chartered Institute of Linguists | ACIL |
| Linnean Society of London |
| Fellow of the Linnean Society of London | FLS |
| Associate of the Linnean Society of London | ALS |
| The Royal Society of Literature |
| Companion of Literature | Clit FRSL [43] |
| Fellow of the Royal Society of Literature | FRSL [43] |
| Member of the Royal Society of Literature | RSLM |
| Society of Local Council Clerks |
| Principal Member of Society of Local Council Clerks | PSLCC |
| Fellow of Society of Local Council Clerks | FSLCC |
| Chartered Institute of Logistics and Transport in the UK |
| Fellow of The Chartered Institute of Logistics and Transport (UK) | FCILT |
| Chartered Member of The Chartered Institute of Logistics and Transport (UK) | CMILT |
| Member of The Chartered Institute of Logistics and Transport (UK) | MILT |
| Chartered Institute of Library and Information Professionals (CILIP) |
| Fellow of the Chartered Institute of Library and Information Professionals | FCLIP |
| Chartered Member of the Chartered Institute of Library and Information Professionals | MCLIP |
| Associate Member of the Chartered Institute of Library and Information Professionals | ACLIP |
| M |
| The Magic Circle |
| Member of The Magic Circle | MMC |
| Associate of The Inner Magic Circle | AIMC |
| Member of The Inner Magic Circle | MIMC |
| Chartered Institute of Management Accountants [140] |
| Fellow of the Chartered Institute of Management Accountants | FCMA |
| Associate of the Chartered Institute of Management Accountants | ACMA* |
| Chartered Global Management Accountant [N 28] | CGMA [N 29] |
| Chartered Management Institute [142] [143] |
| Companion of the Chartered Management Institute | CCMI |
| Fellow of the Chartered Management Institute | FCMI* |
| Member of the Chartered Management Institute | MCMI* |
| Associate member of the Chartered Management Institute | ACMI |
| Institute of Management Services | |
| Fellow of the Institute of Management Services | FMS |
| Member of the Institute of Management Services | MMS |
| Associate member of the Institute of Management Services | AMS |
| Chartered Institute of Marketing |
| Fellow of the Chartered Institute of Marketing | FCIM |
| Member of the Chartered Institute of Marketing | MCIM* |
| Associate of the Chartered Institute of Marketing | ACIM |
| Institute of Marine Engineering Science and Technology [144] |
| Honorary Fellow of the Institute of Marine Engineering Science and Technology | HonFIMarEST |
| Fellow of the Institute of Marine Engineering Science and Technology | FIMarEST |
| Member of the Institute of Marine Engineering Science and Technology | MIMarEST |
| Associate Member of the Institute of Marine Engineering Science and Technology | AMIMarEST |
| International Institute of Marine Surveying [145] |
| Honorary Fellow of the International Institute of Marine Surveying | HonFIIMS |
| Honorary Member of the International Institute of Marine Surveying | HonMIIMS |
| Full Member of the International Institute of Marine Surveying | MIIMS |
| Associate Member of the International Institute of Marine Surveying | AssocIIMS |
| Technician Member of the International Institute of Marine Surveying | TechIIMS |
| Institute of Masters of Wine |
| Member of the Institute of Masters of Wine (Master of Wine) | MW |
| Institute of Materials, Minerals and Mining |
| Fellow of the Institute of Materials, Minerals and Mining | FIMMM |
| Professional Member of the Institute of Materials, Minerals and Mining | MIMMM |
| Associate Member of the Institute of Materials, Minerals and Mining | AIMMM |
| Professional Graduate of the Institute of Materials, Minerals and Mining | ProfGradIMMM |
| Graduate of the Institute of Materials, Minerals and Mining | GradIMMM |
| Technician Member of the Institute of Materials, Minerals and Mining | TIMMM |
| Institute of Mathematics and its Applications [146] |
| Fellow of the Institute of Mathematics and its Applications | FIMA |
| Member of the Institute of Mathematics and its Applications | MIMA |
| Associate Member of the Institute of Mathematics and its Applications | AMIMA |
| The Marine Biological Association [147] |
| Fellow of the Marine Biological Association | FMBA |
| Professional Member of the Marine Biological Association | Mem.MBA |
| Institute of Measurement and Control [148] [149] |
| Honorary Fellow of the Institute of Measurement and Control | HonFInstMC |
| Fellow of the Institute of Measurement and Control | FInstMC |
| Member of the Institute of Measurement and Control | MInstMC* |
| Technician Member of the Institute of Measurement and Control | TInstMC |
| Institution of Mechanical Engineers |
| Fellow of the Institution of Mechanical Engineers | FIMechE |
| Member of the Institution of Mechanical Engineers | MIMechE |
| Associate Member of the Institution of Mechanical Engineers | AMIMechE |
| Academy of Medical Educators |
| Fellow of the Academy of Medical Educators | FAcadMEd |
| Member of the Academy of Medical Educators | MAcadMEd |
| Faculty of Medical Leadership and Management |
| Member of the Faculty of Medical Leadership and Management of the Academy of Medical Royal Colleges | MFMLM |
| Academy of Medical Sciences |
| Fellow of the Academy of Medical Sciences | FMedSci |
| Royal Meteorological Society |
| Fellow of the Royal Meteorological Society | FRMetS |
| Royal Microscopical Society |
| Fellow of the Royal Microscopical Society | FRMS |
| Honorary Fellow of the Royal Microscopical Society | HonFRMS |
| Institute of the Motor Industry |
| Fellow of the Institute of the Motor Industry | FIMI |
| Member of the Institute of the Motor Industry | MIMI |
| Associate Member of the Institute of the Motor Industry | AMIMI |
| Licentiate Member of the Institute of the Motor Industry | LIMI |
| Affiliate Member of the Institute of the Motor Industry | AffIMI |
| Certified Automotive Engineer of the Institute of the Motor Industry | CAE |
| Advanced Automotive Engineer of the Institute of the Motor Industry | AAE |
| Incorporated Society of Musicians [150] | |
| Member of the Incorporated Society of Musicians | MISM |
| Student Member of the Incorporated Society of Musicians | SMISM |
| Fellow of the Incorporated Society of Musicians (15 years continuous membership) | FISM |
| National College of Music |
| Fellow of the National College of Music | FNCM |
| N |
| British Naturalists' Association [151] |
| Fellow of the British Naturalists' Association (Honoris Causa) | HonFBNA |
| Fellow of the British Naturalists' Association | FBNA |
| Registered Member of the British Naturalists' Association | MBNA |
| Registered Associate Member of the British Naturalists' Association | ABNA |
| Nautical Institute |
| Fellow of the Nautical Institute | FNI |
| Associate Fellow of the Nautical Institute | AFNI |
| Member of the Nautical Institute | MNI |
| Associate Member of the Nautical Institute | AMNI |
| Royal Institution of Naval Architects [152] |
| Member of the Royal Institution of Naval Architects | MRINA |
| Fellow of the Royal Institution of Naval Architects | FRINA |
| Associate Member of the Royal Institution of Naval Architects | AMRINA |
| Associate of the Royal Institution of Naval Architects | AssocRINA |
| Royal Institute of Navigation |
| Member of the Royal Institute of Navigation | MRIN |
| Fellow of the Royal Institute of Navigation | FRIN |
| Associate Fellow of the Royal Institute of Navigation | AFRIN |
| Nuclear Institute [153] |
| Member of the Nuclear Institute | MNucl |
| Fellow of the Nuclear Institute | FNucI |
| Royal Numismatic Society |
| Fellow of the Royal Numismatic Society | FRNS |
| Association for Nutrition [154] |
| Registered Associate Nutritionist | ANutr |
| Registered Nutritionist | RNutr |
| Fellow of the Association for Nutrition | FAfN |
| O |
| Institution of Occupational Safety and Health |
| Fellow of the Institution of Occupational Safety and Health | CFIOSH |
| Chartered Member of the Institution of Occupational Safety and Health | CMIOSH |
| Certified Member of the Institution of Occupational Safety and Health | CertIOSH |
| Society of Operations Engineers |
| Fellow of the Society of Operations Engineers | FSOE |
| Member of the Society of Operations Engineers | MSOE |
| Associate Member of the Society of Operations Engineers | AMSOE |
| The Operational Research Society [155] |
| Fellow of The OR Society | FORS |
| Associate Fellow of The OR Society | AFORS |
| Associate of The OR Society | AORS |
| Candidate Associate of The OR Society | CandORS |
| Royal College of Organists [156] |
| Colleague of the Royal College of Organists | CRCO |
| Associate of the Royal College of Organists | ARCO |
| Fellow of the Royal College of Organists | FRCO |
| P |
| Royal Society of Painter-Printmakers |
| Fellow of the Royal Society of Painter-Printmakers | RE |
| Associate of the Royal Society of Painter-Printmakers | ARE |
| President of the Royal Society of Painter-Printmakers | PRE |
| Past President of the Royal Society of Painter-Printmakers | PPRE |
| Vice-President of the Royal Society of Painter-Printmakers | VPRE |
| Honorary Fellow of the Royal Society of Painter-Printmakers | HonRE |
| Chartered Institute of Patent Attorneys |
Fellow of the Chartered Institute of Patent Attorneys (Chartered Patent Agent or Chartered Patent Attorney (since June 2006)) | CPA |
| Chartered Institute of Payroll Professionals |
| Fellow of the Chartered Institute of Payroll Professionals | FCIPP |
| Member of the Chartered Institute of Payroll Professionals | MCIPP |
| Permanent Way Institution [157] [158] |
| Fellow of the Permanent Way Institution | FPWI |
| Member of the Permanent Way Institution | MPWI |
| Personal Finance Society |
| Fellow of the Personal Finance Society | FPFS |
| Associate Member of the Personal Finance Society | APFS |
| Diploma Qualified Member of the Personal Finance Society | DipPFS |
| Certificate Qualified Member of the Personal Finance Society | CertPFS |
| Chartered Institute of Personnel and Development [159] [160] |
| Chartered Fellow of the Chartered Institute of Personnel and Development | Chartered FCIPD |
| Chartered Member of the Chartered Institute of Personnel and Development | Chartered MCIPD |
| Associate of the Chartered Institute of Personnel and Development | Assoc CIPD |
| Academic Fellow of the Chartered Institute of Personnel and Development | Academic FCIPD |
| Academic Member of the Chartered Institute of Personnel and Development | Academic MCIPD |
| Academic Associate of the Chartered Institute of Personnel and Development | Academic Assoc CIPD |
| Royal Pharmaceutical Society [161] |
| Associate of the Royal Pharmaceutical Society | ARPharmS |
| Member of the Royal Pharmaceutical Society | MRPharmS |
| Pharmaceutical Scientist Member of the Royal Pharmaceutical Society | SRPharmS |
| Fellow of the Royal Pharmaceutical Society | FRPharmS |
| Royal Pharmaceutical Society Faculty [162] |
| Stage I Royal Pharmaceutical Society Faculty member | MFRPSI |
| Stage II Royal Pharmaceutical Society Faculty member | MFRPSII |
| Royal Pharmaceutical Society Faculty Fellow | FFRPS |
| Royal Philatelic Society London |
| Member of the Royal Philatelic Society London | MRPSL |
| Fellow of the Royal Philatelic Society London | FRPSL |
| Cambridge Philosophical Society |
| Fellow of the Cambridge Philosophical Society | FCPS |
| Royal Photographic Society [163] |
| Licentiate of the Royal Photographic Society | LRPS |
| Associate of the Royal Photographic Society | ARPS |
| Fellow of the Royal Photographic Society | FRPS |
| Qualified Imaging Scientist Royal Photographic Society | QIS LRPS |
| Graduate Imaging Scientist Royal Photographic Society | GIS ARPS |
| Accredited Imaging Scientist Royal Photographic Society | AIS ARPS |
| Accredited Senior Imaging Scientist Royal Photographic Society | ASIS FRPS |
| Qualified in Imaging in the Creative Industries Royal Photographic Society | QICI LRPS |
| Graduate in Imaging in the Creative Industries Royal Photographic Society | GICI ARPS |
| Accredited in Imaging in the Creative Industries Royal Photographic Society | AICI ARPS |
| Accredited Senior in Imaging in the Creative Industries Royal Photographic Society | ASICI FRPS |
| Institute of Physics [164] [165] [166] |
| Honorary Fellow of the Institute of Physics | HonFInstP |
| Fellow of the Institute of Physics | FInstP |
| Member of the Institute of Physics | MInstP |
| Institute of Physics and Engineering in Medicine [167] |
| Fellow of the Institute of Physics and Engineering in Medicine | FIPEM |
| Full Member of the Institute of Physics and Engineering in Medicine | MIPEM |
| Chartered Society of Physiotherapy |
| Member of the Chartered Society of Physiotherapy | MCSP |
| Fellow of the Chartered Society of Physiotherapy | FCSP |
| Institution of Plant Engineers |
| Fellow of the Institution of Plant Engineers | FIPlantE |
| Member of the Institution of Plant Engineers | MIPlantE |
| Associate Member of the Institution of Plant Engineers | AMIPlantE |
| Chartered Institute of Plumbing & Heating Engineering [168] |
| Fellow of the Chartered Institute of Plumbing & Heating Engineering | FCIPHE |
| Member of the Chartered Institute of Plumbing & Heating Engineering | MCIPHE |
| Associate of the Chartered Institute of Plumbing & Heating Engineering | ACIPHE |
| Chartered Institute of Procurement & Supply |
| Fellow of the Chartered Institute of Procurement & Supply | FCIPS |
| Member of the Chartered Institute of Procurement & Supply | MCIPS |
| Society of Professional Engineers UK |
| Fellow of the Society of Professional Engineers UK | P.Eng, FSPE |
| Member of the Society of Professional Engineers UK | P.Eng, MSPE |
| Honorary Fellow of the Society of Professional Engineers UK | Hon FSPE |
| Associate of the Society of Professional Engineers UK | ASPE |
| Retired Fellow of the Society of Professional Engineers UK | Retd FSPE |
| Retired Member of the Society of Professional Engineers UK | Retd MSPE |
| Retired Associate Member of the Society of Professional Engineers UK | Retd ASPE |
| Institute of Professional Sound |
| Fellow of the Institute of Professional Sound | FIPS |
| Member of the Institute of Professional Sound | MIPS |
| Associate Member of the Institute of Professional Sound | AIPS |
| International Professional Security Association (IPSA) |
| Individual Member of the International Professional Security Association | MIPSA |
| Association for Project Management |
| Fellow of the Association for Project Management | FAPM |
| Member of the Association for Project Management | MAPM |
| Property Consultants Society |
| Fellow of the Property Consultants Society | FPCS |
| Associate of the Property Consultants Society | APCS |
| Royal Society of Portrait Painters |
| Member of the Royal Society of Portrait Painters | RP |
| President of the Royal Society of Portrait Painters | PRP |
| Past President of the Royal Society of Portrait Painters | PPRP |
| British Psychological Society |
| Member of the British Psychological Society | MBPsS |
| Associate Fellow of the British Psychological Society | AFBPsS |
| Fellow of the British Psychological Society | FBPsS |
| Chartered Institute of Public Relations |
| Fellow of the Chartered Institute of Public Relations | FCIPR |
| Member of the Chartered Institute of Public Relations | MCIPR |
| Associate of the Chartered Institute of Public Relations | ACIPR |
| Q |
| Chartered Quality Institute |
| Fellow of the Chartered Quality Institute | FCQI |
| Member of the Chartered Quality Institute | MCQI |
| Practitioner of the Chartered Quality Institute | PCQI |
| R |
| Institution of Railway Signal Engineers |
| Fellow of the Institution of Railway Signal Engineers | FIRSE |
| Member of the Institution of Railway Signal Engineers | MIRSE |
| Associate Member of the Institution of Railway Signal Engineers | AMIRSE |
| Institution of Railway Operators |
| Fellow of the Institution of Railway Operators | FCIRO |
| Member of the Institution of Railway Operators | MCIRO |
| Associate Member of the Institution of Railway Operators | ACIRO |
| Institute of Refrigeration |
| Fellow of the Institute of Refrigeration | FInstR |
| Member of the Institute of Refrigeration | MInstR |
| Technician Members of the Institute of Refrigeration | TMInstR |
| Associate Members of the Institute of Refrigeration | AMInstR |
| Regional Studies Association |
| Fellow of the Regional Studies Association | FeRSA |
| Member of the Regional Studies Association | MeRSA |
| Institute of Residential Property Management |
| Fellow of the Institute of Residential Property Management | FIRPM |
| Member of the Institute of Residential Property Management | MIRPM |
| Associate of the Institute of Residential Property Management | AIRPM |
| Institute of Risk Management [169] |
| Certified Fellow of the Institute of Risk Management | CFIRM |
| Certified Member of the Institute of Risk Management | CMIRM |
| Full Member of the Institute of Risk Management | MIRM |
| Technical Specialist of the Institute of Risk Management | SIRM |
| Certificate Member of the Institute of Risk Management | IRMCert |
| International Institute of Risk & Safety Management |
| Fellow of the International Institute of Risk & Safety Management | FIIRSM |
| Member of the International Institute of Risk & Safety Management | MIIRSM |
| Associate of the International Institute of Risk & Safety Management | AIIRSM |
| Recognised Safety Practitioner with the International Institute of Risk & Safety Management | RSP |
| Royal Society for Public Health |
| Associate of the Royal Society for Public Health | AMRSPH |
| Member of the Royal Society for Public Health | MRSPH |
| Fellow of the Royal Society for Public Health | FRSPH |
| Institute of Road Transport Engineers |
| Fellow of the Institute of Road Transport Engineers | FIRTE |
| Member of the Institute of Road Transport Engineers | MIRTE |
| Associate Member of the Institute of Road Transport Engineers | AMIRTE |
| Institution of Royal Engineers |
| Fellow of the Institution of Royal Engineers | FInstRE |
| Member of the Institution of Royal Engineers | MInstRE |
| Honorary Member of the Institution of Royal Engineers | HonMInstRE |
| S |
| Safety and Reliability Society (SaRS) [170] |
| Fellow of the Safety and Reliability Society | FSaRS |
| Member of the Safety and Reliability Society | MSaRS |
| Institute of Scientific and Technical Communicators |
| Fellow of the Institute of Scientific and Technical Communicators | FISTC |
| Member of the Institute of Scientific and Technical Communicators | MISTC |
| Institute of Science and Technology |
| Fellow of the Institute of Science and Technology | FIScT |
| Member of the Institute of Science and Technology | MIScT |
| Associate of the Institute of Science and Technology | AssocIScT |
| Royal British Society of Sculptors |
| Fellow of the Royal British Society of Sculptors | FRBS |
| Member of the Royal British Society of Sculptors | MRBS |
| Chartered Institute for Securities & Investment (CISI) |
| Fellow of the Chartered Institute for Securities & Investment (CISI) | FCSI |
| Member of the Chartered Institute for Securities & Investment (CISI) | MCSI |
| Associate of the Chartered Institute for Securities & Investment (CISI) | ACSI |
| The Security Institute |
| Fellow of The Security Institute | FSyI |
| Member of The Security Institute | MSyI |
| Associate of The Security Institute | ASyI |
| International Security Management Institute [171] |
| Fellow of International Security Management Institute | F.ISMI |
| Institute of Chartered Shipbrokers |
| Fellow of the Institute of Chartered Shipbrokers | FICS |
| Member of the Institute of Chartered Shipbrokers | MICS |
| Academy of Social Sciences |
| Fellow of the Academy of Social Sciences | FAcSS |
| Academician of the Academy of Social Sciences (used 1999-2014) | AcSS |
| British Association of Social Workers |
| Member of the British Association of Social Workers | MBASW |
| Fellow of the British Association of Social Workers | FBASW |
| Society for Nautical Research [172] |
| Fellow of the Society for Nautical Research | FSNR |
| Institute of Specialist Surveyors and Engineers [173] |
| Fellow of the Institute of Specialist Surveyors and Engineers College of Fellows | FISSECOF or FInstSSECOF |
| Fellow of the Institute of Specialist Surveyors and Engineers | FISSE or FInstSSE |
| Senior Surveyor of the Institute of Specialist Surveyors and Engineers | SSISSE or SSInstSSE |
| Principal Associate of the Institute of Specialist Surveyors and Engineers | PAISSE or PAInstSSE |
| Associate of the Institute of Specialist Surveyors and Engineers | AISSE or AInstSSE |
| Faculty of Sports and Exercise Medicine [174] |
| Fellow of the Faculty of Sports and Exercise Medicine | FFSEM (UK) |
| Member of the Faculty of Sports and Exercise Medicine | MFSEM (UK) |
| Diplomate of the Faculty of Sport and Exercise Medicine UK | DFSEM (UK) |
| Institute of Sport and Recreation Management |
| Member of the Institute of Sport and Recreation Management | M.Inst.SRM |
| Associate Member of the [nstitute of Sport and Recreation Management | A.Inst.SRM |
| Staff and Educational Development Association |
| Fellow of the Staff and Educational Development Association | FSEDA |
| Associate Fellow of the Staff and Educational Development Association | AFSEDA |
| Royal Statistical Society |
| Fellow of the Royal Statistical Society | FSS (pre-1992 Fellows Only) [175] |
| Institution of Structural Engineers |
| Fellow of the Institution of Structural Engineers | FIStructE |
| Member of the Institution of Structural Engineers | MIStructE* |
| Associate of the Institution of Structural Engineers | AIStructE |
| Incorporated Member of the Institution of Structural Engineers | IMIStructE |
| Technician Member of the Institution of Structural Engineers | TMIStructE |
| Graduate Member of the Institution of Structural Engineers | GIStructE |
| Institute of Swimming |
| Fellow of the Institute of Swimming | FIOS |
| Member of the Institute of Swimming | MIOS |
| Institute for Systems Engineering (UK Chapter of INCOSE) |
| Registered or Professional member of the Institute (formerly INCOSE UK) [176] | MIfSE (replaces MINCOSE) |
| T |
| Chartered Institute of Taxation [177] |
| Chartered Tax Advisor | CTA |
| Chartered College of Teaching (formerly College of Teachers) [178] |
| Honorary Fellow of the Chartered College of Teaching | HonFCCT |
| Fellow of the Chartered College of Teaching | FCCT |
| Honorary Member of the Chartered College of Teaching | HonMCCT |
| Member of the Chartered College of Teaching | MCCT |
| Historical Affiliate of the Chartered College of Teaching | FCollT, FCollP, MCollT, MCollP, AMCollT |
| The Textile Institute [179] |
| Licentiate of the Textile Institute | LTI* |
| Associate of the Textile Institute | ATI |
| Fellow of the Textile Institute | FTI |
| Royal Town Planning Institute |
| Member of the Royal Town Planning Institute | MRTPI |
| Chartered Institute of Trade Mark Attorneys [180] |
| Member of The Chartered Institute of Trade Mark Attorneys | MCITMA |
| Fellow of The Chartered Institute of Trade Mark Attorneys | FCITMA |
| Institute of Traffic Accident Investigators |
| Member of the Institute of Traffic Accident Investigators | MITAI |
| Associate Member of the Institute of Traffic Accident Investigators | AMITAI |
| Institute of Translation and Interpreting [181] |
| Fellow of the Institute of Translation and Interpreting | FITI [182] |
| Member of the Institute of Translation and Interpreting | MITI [183] |
| Associate of the Institute of Translation and Interpreting | AITI [184] |
| The Transport Planning Society |
| Member of the Transport Planning Society | MTPS |
| Royal Society of Tropical Medicine and Hygiene |
| Fellow of the Royal Society of Tropical Medicine and Hygiene | FRSTMH or FRSTM&H (obsolete) |
| Society of Trust and Estate Practitioners |
| Member of the Society of Trust and Estate Practitioners | TEP |
| U |
| UK Registry of Emergency Medical Technicians [185] |
| Fellow of the UK Registry of Emergency Medical Technicians | EMT-F |
| Member of the UK Registry of Emergency Medical Technicians | EMT-R |
| To use the post-nominals EMT-F or EMT-R person must appear on the managed voluntary register held by the UKREMT |
| V |
| W |
| Chartered Institution of Wastes Management |
| Member of the Chartered Institution of Wastes Management | MCIWM or CRWM |
| Fellow of the Chartered Institution of Wastes Management | FCIWM |
| The Institute of Water |
| Corporate Member of the Institute of Water | MIWater |
| Fellow of the Institute of Water | FIWater |
| British Watch and Clock Makers' Guild [186] |
| Member of the British Watch and Clock Makers' Guild | MBWCG |
| Royal West of England Academy |
| President of the Royal West of England Academy | PRWA |
| Past President of the Royal West of England Academy | PPRWA |
| Vice-President of the Royal West of England Academy | VPRWA |
| Royal West of England Academician | RWA |
| Associate of the Royal West of England Academy | ARWA |
| Honorary Royal West of England Academician | HonRWA |
| The Society of Writers to His Majesty's Signet [N 30] |
| Writer to the Signet | WS |
| Associate Writer to the Signet | AWS |
| The Society of Will Writers [187] |
| Companion of The Society of Will Writers | Cmpn.SWW |
| Fellow of The Society of Will Writers | FSWW |
| Associate of The Society of Will Writers | ASWW |
| Member of The Society of Will Writers | MSWW |
| Affiliated Member of The Society of Will Writers | Aff.SWW |
| Women's Engineering Society [188] |
| Fellow of the Women's Engineering Society | FWES |
| Associate Fellow of the Women's Engineering Society | AFWES |
| Honorary Member of the Women's Engineering Society | HonMWES |
| Member of the Women's Engineering Society | MWES |
| Associate Member of the Women's Engineering Society | AMWES |
| X |
| Y |
| Z |
| Fellow of the London Zoological Society | FZS |