- Headquarters, Theatre Troops, at Trenchard Lines, Upavon [11]
- 1st Military Intelligence Brigade , at Chicksands Station [12] [13]
- 1st Military Intelligence Battalion, at Joint Headquarters Rheindahlen, Germany (supporting 1st (United Kingdom) Armoured Division)
- 2nd Military Intelligence Battalion, at AAC Netheravon (Intelligence Exploitation)
- 3rd Military Intelligence Battalion (TA), HQ in London (supporting HQ ARRC, Permanent Joint Headquarters, and Defence Intelligence Staff) [14]
- 4th Military Intelligence Battalion, at Ward Barracks, Bulford Camp (supporting 3rd (United Kingdom) Mechanised Division)
- 5th Military Intelligence Battalion (TA), HQ in Edinburgh [12]
- 15 Psychological Operations Group, at the Chicksands Station (Joint Tri-Services)
- 1st (United Kingdom) Signal Brigade , at Joint Headquarters Rheindahlen, Germany [15] [16] [17]
- 2nd (National Communications) Signal Brigade [18]
- 1 (Royal Buckinghamshire Yeomanry) Signal Squadron (Special Communications), Royal Corps of Signals (V), at John Howard Barracks, Bletchley [19]
- 2 (City of Dundee) Signal Squadron, Royal Corps of Signals (V), in Dundee [20]
- 10th Signal Regiment, Royal Corps of Signals, at Basil Hill Barracks, Corsham [21]
- 31st (City of London) Signal Regiment, Royal Corps of Signals (V), in London [22]
- 32nd (Scottish) Signal Regiment, Royal Corps of Signals (V), in Glasgow [23]
- 36th (Eastern) Signal Regiment, Royal Corps of Signals (V), in Ilford [24]
- 37th Signal Regiment, Royal Corps of Signals (V), at Kohima House, Redditch [25]
- 38th (City of Sheffield) Signal Regiment, Royal Corps of Signals (V), in Sheffield [26]
- 39th Signal Regiment (The Skinners), Royal Corps of Signals (V), in Bristol [27]
- 40th (Ulster) Signal Regiment, Royal Corps of Signals (V), in Belfast [28]
- 71st (City of London) Yeomanry Signal Regiment, Royal Corps of Signals (V), in Bexleyheath [29]
- Central Volunteer Headquarters, Royal Corps of Signals (V), at Basil Hill Barracks, Corsham [30]
- 11th Signal Brigade , at Venning Barracks, MoD Donnington [31]
- 2nd Signal Regiment, Royal Corps of Signals, at Imphal Barracks, York Garrison [32]
- 14th Signal Regiment (Electronic Warfare), Royal Corps of Signals, at Cawdor Barracks, Brawdy [33]
- 30th Signal Regiment, Royal Corps of Signals, at Gamecock Barracks, Bramcote Station [34]
- Unified Systems Support Organisation, at Venning Barracks, MoD Donnington
- 12th Signal Group (V), at Beacon Barracks, Stafford [35]
- 1st Reconnaissance Brigade, at Trenchard Lines, Upavon
- 1st Artillery Brigade , at AAC Netheravon [39] [40]
- 5th Regiment, Royal Artillery, at Marne Barracks, Catterick Garrison (Surveillance and Target Acquisition) [41]
- 32nd Regiment, Royal Artillery, at Roberts Barracks, Larkhill Garrison (Mini UAS) [42]
- 39th Regiment, Royal Artillery, at Albemarle Barracks, Stamfordham (MLRS and MUAs) – supporting 3 UK Division [43]
- Honourable Artillery Company (V), at Finsbury Barracks, City of London (Forward Observation Posts)
- 101st (Northumbrian) Regiment, Royal Artillery (V), HQ at Fenham Barracks, Newcastle upon Tyne (MLRS and MUAs) [44]
- Royal School of Artillery, at Stirling Barracks, Larkhill Garrison [45]
- Joint Ground-Based Air Defence Headquarters , at RAF High Wycombe
- 8th Force Engineer Brigade , at Trenchard Lines, Upavon
- Combat Information Systems (CIS) Troop, 8th Engineer Brigade, Royal Engineers (Army Reserve), at Aldershot Garrison [47]
- Central Volunteer Headquarters, Royal Engineers, at Gibraltar Barracks, Minley
- 12 (Air Support) Engineer Group , at Waterbeach Barracks, Waterbeach
- 20 Works Group (Air Support), Royal Engineers, at RAF Wittering [48] [49] (Hybrid) (Air, Aviation, and UAS tasks support.) [50] [51]
- 510 Specialist Team (Airfields), Royal Engineers (Army Reserve) [52] [53]
- 25th Engineer Regiment (Air Support), Royal Engineers, at Waterbeach Barracks, Cambridge [54]
- 39th Engineer Regiment (Air Support), Royal Engineers, at RAF Waterbeach [55]
- 29 (Explosive Ordnance Disposal and Search) Engineer Group , at Montgomery House, Aldershot Garrison [56]
- Brigade Headquarters and Signal Troop, Royal Corps of Signals (V), at Seely House, Aldershot Garrison
- 29 (Explosive Ordnance Disposal and Search) Group Support Unit, at Carver Barracks, Wimbish [48] [57]
- 33rd Engineer Regiment (Explosive Ordnance Disposal), Royal Engineers, at Carver Barracks, Wimbish [48] [49]
- 101st (City of London) Engineer Regiment (Explosive Ordnance Disposal and Search), Royal Engineers, (V) HQ in Catford [48] [49] (EOD, Army Reserve) — paired with 33 Engineer Regiment [58]
- 11th Explosive Ordnance Disposal and Search Regiment, Royal Logistic Corps, at Vauxhall Barracks, Didcot [48] [49]
- 1st Military Working Dog Regiment, Royal Army Veterinary Corps, at St George's Barracks, North Luffenham (Hybrid) [48] [49]
- 170 (Infrastructure Support) Engineer Group , at Chetwynd Barracks, Chilwell [59]
- 62 Works Group, Royal Engineers
- 63 Works Group, Royal Engineers
- 64 Works Group, Royal Engineers
- 65 Works Group, Royal Engineers (V)
- 101st Logistic Brigade , at Saint Omer Barracks, Aldershot Garrison [60] [61]
- 101st Logistic Brigade Headquarters and 261 Signal Squadron, Royal Corps of Signals, at Saint Omer Barracks, Aldershot Garrison [62]
- 604 (Aldershot) Signal Troop, Royal Corps of Signals [63]
- 661 Signal Troop, Royal Corps of Signals, at Aldershot Garrison
- 9th Regiment Royal Logistic Corps, at Buckley Barracks, Hullavington [64]
- 10th (Queen's Own Gurkha) Logistic Regiment, Royal Logistic Corps, at Roman Barracks, Colchester Garrison [64]
- 27th Regiment, Royal Logistic Corps, at Travers Barracks, Aldershot Garrison [65]
- 225th (Scottish) Medical Regiment, Royal Army Medical Corps (V), in Edinburgh [66]
- 4th General Support Medical Regiment, Royal Army Medical Corps, at Keogh Barracks, Aldershot Garrison [67]
- 4th Regiment Royal Military Police, at Arnhem Barracks, Aldershot Garrison [68]
- 101 Military Working Dog Support Unit, Royal Army Veterinary Corps, at Puckridge Barracks, Aldershot Garrison [69]
- 102nd Logistic Brigade , at Princess Royal Barracks, Gütersloh
- 102nd Logistic Brigade Headquarters and 262 Signal Squadron, Royal Corps of Signals, at Princess Royal Barracks, Gütersloh [70]
- 6th Supply Regiment, Royal Logistic Corps, at Princess Royal Barracks, Gütersloh and Münster [71]
- 7th Regiment Royal Logistic Corps, at Catterick Barracks, Bielefeld [71]
- 8th Regiment Royal Logistic Corps, at Marne Barracks, Catterick Garrison [71]
- 5th General Support Medical Regiment, Royal Army Medical Corps, at Fulwood Barracks, Preston [72]
- 254th (City of Cambridge) Medical Regiment, Royal Army Medical Corps (V), in Cambridge [73]
- 5th Regiment Royal Military Police, at Princess Royal Barracks, Gütersloh [74]
- 102 Military Working Dog Support Unit, Royal Army Veterinary Corps, in Sennelager
- 104th Logistic Support Brigade , at Prince William of Gloucester Barracks, Grantham
- 17th Port and Maritime Regiment, Royal Logistic Corps, at McMullen Barracks, Marchwood [75]
- 23rd Pioneer Regiment, Royal Logistic Corps, at Saint David's Barracks, Bicester Garrison [75]
- 29th Postal, Courier, and Movements Regiment, Royal Logistic Corps, at Duke of Gloucester Barracks, South Cerney [75]
- 88th Postal and Courier Regiment, Royal Logistic Corps (V), at Prince William of Gloucester Barracks, Grantham [76] [77]
- Catering Support Regiment, Royal Logistic Corps (V), at Prince William of Gloucester Barracks, Grantham [75]
- 2nd Medical Brigade , at Queen Elizabeth Barracks, Strensall
- Central Volunteer Headquarters, Army Medical Services (V)
- 22nd Field Hospital, Royal Army Medical Corps, at Keogh Barracks, Aldershot Garrison [78]
- 34th Field Hospital, Royal Army Medical Corps, at Queen Elizabeth Barracks, Strensall [78]
- 201st (Northern) Field Hospital, Royal Army Medical Corps (V), at Fenham Barracks, Newcastle upon Tyne
- 202nd (Midlands) Field Hospital, Royal Army Medical Corps (V), in Birmingham [79]
- 203rd (Welsh) Field Hospital, Royal Army Medical Corps (V), in Cardiff [80]
- 204th (North Irish) Field Hospital, Royal Army Medical Corps (V), in Belfast [81]
- 205th (Scottish) Field Hospital, Royal Army Medical Corps (V), in Glasgow [82]
- 207th (Manchester) Field Hospital, Royal Army Medical Corps (V), in Manchester [83]
- 208th (Liverpool) Field Hospital, Royal Army Medical Corps (V), in Liverpool [84]
- 212th (Yorkshire) Field Hospital, Royal Army Medical Corps (V), in Sheffield [85]
- 243rd (The Wessex) Field Hospital, Royal Army Medical Corps (V), in Keynsham, Bristol [86]
- 256th (City of London) Field Hospital, Royal Army Medical Corps (V), in London [87]
- 306th Field Hospital, Royal Army Medical Corps (V), at Queen Elizabeth Barracks, Strensall
- 335th Medical Evacuation Regiment, Royal Army Medical Corps (V), at Queen Elizabeth Barracks, Strensall [88]
- Army Medical Services Manpower Pool (V), at Queen Elizabeth Barracks, Strensall
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