British Expeditionary Force (John French)
I Corps (Douglas Haig)
- 1st (Guards) Brigade
- 1st Coldstream Guards
- 1st Scots Guards
- 1st Black Watch
- 1st Queens Own Cameron Highlanders
- London Scottish Regiment
- 2nd Brigade
- 2nd Royal Sussex Regiment
- 1st Loyal North Lancashire Regiment
- 1st Northamptonshire Regiment
- 2nd Kings Royal Rifle Corps
- 3rd Brigade
- 1st Queen's Royal West Surrey Regiment
- 1st South Wales Borderers
- 1st Gloucestershire Regiment
- 2nd Welsh Regiment
- XXV Brigade, Royal Field Artillery
- 113th Battery
- 114th Battery
- 115th Battery
- XXVI Brigade, Royal Field Artillery
- 116th Battery
- 117th Battery
- 118th Battery
- XXXIX Brigade, Royal Field Artillery
- 46th Battery
- 51st Battery
- 54th Battery
- XLIII (Howitzer) Brigade, Royal Field Artillery
- 30th (H) Battery
- 40th (H) Battery
- 57th (H) Battery
- 26th Heavy Battery Royal Garrison Artillery
- Mounted Troops
- "A" Squadron 15th Hussars
- 1st Cyclist company
- Engineers
- 23rd Field company Royal Engineers
- 26th Field company Royal Engineers
- 4th (Guards) Brigade
- 2nd Grenadier Guards
- 2nd Coldstream Guards
- 3rd Coldstream Guards
- 1st Irish Guards
- 1st Hertfordshire Regiment
- 5th Brigade
- 2nd Worcestershire Regiment
- 2nd Oxfordshire and Buckinghamshire Light Infantry
- 2nd Highland Light Infantry
- 2nd Connaught Rangers
- 6th Brigade
- 1st King's Regiment (Liverpool)
- 2nd South Staffordshire Regiment
- 1st Royal Berkshire Regiment
- 1st Kings Royal Rifle Corps
- XXXIV Brigade, Royal Field Artillery
- 22nd Battery
- 50th Battery
- 70th Battery
- XXXVI Brigade, Royal Field Artillery
- 15th Battery
- 48th Battery
- 71st Battery
- XLI Brigade, Royal Field Artillery
- 9th Battery
- 16th Battery
- 17th Battery
- XLIV (Howitzer) Brigade, Royal Field Artillery
- 47th (H) Battery
- 56th (H) Battery
- 60th (H) Battery
- 35th Heavy Battery Royal Garrison Artillery
- Mounted Troops
- "B" Squadron 15th Hussars
- 2nd Cyclist company
- Engineers
- 5th Field company Royal Engineers
- 11th Field company Royal Engineers
II Corps (Horace Smith-Dorrien)
- 7th Infantry Brigade
- 3rd Worcestershire
- 2nd South Lancashire
- 1st Wiltshire(Duke of Edinburgh’s)
- 2nd Royal Irish Rifles
- 8th Infantry Brigade
- 2nd Royal Scots
- 2nd Royal Irish
- 4th Middlesex(Duke of Cambridge’s Own)
- 1st Devonshire
- 1st Honourable Artillery Company
- 9th Infantry Brigade
- 1st Northumberland Fusiliers
- 4th Royal Fusiliers
- 1st Lincolnshire
- 1st Royal Scots Fusiliers
- XXIII Brigade, Royal Field Artillery
- 107th Battery
- 108th Battery
- 109th Battery
- XL Brigade, Royal Field Artillery
- 6th Battery
- 23rd Battery
- 49th Battery
- XLII Brigade, Royal Field Artillery
- 29th Battery
- 41st Battery
- 45th Battery
- XXX (Howitzer) Brigade , Royal Field Artillery
- 128th (H) Battery
- 129th (H) Battery
- 130th (H) Battery
- 48th Heavy Battery Royal Garrison Artillery
- Mounted Troops
- "C" Squadron 15th Hussars
- 3rd Cyclist company
- Engineers
- 56th Field company Royal Engineers
- 57th Field company Royal Engineers
5th Division (Charles Fergusson)
- 13th Infantry Brigade
- 2nd Kings Own Scottish Borderers
- 2nd Duke of Wellington's Regiment (West Riding)
- 1st Royal West Kent
- 2nd The King's Own Yorkshire Light Infantry
- 14th Infantry Brigade
- 2nd Suffolk
- 1st East Surrey
- 1st Duke of Cornwall’s Light Infantry
- 2nd Manchester
- 15th Infantry Brigade
- 1st Norfolk
- 1st Bedfordshire
- 1st Cheshire
- 1st Dorsetshire
- XV Brigade, Royal Field Artillery
- 11th Battery
- 52nd Battery
- 80th Battery
- XXVII Brigade, Royal Field Artillery
- 119th Battery
- 120th Battery
- 121st Battery
- XXVIII Brigade, Royal Field Artillery
- 122nd Battery
- 123rd Battery
- 124th Battery
- VIII (Howitzer) Brigade, Royal Field Artillery
- 37th (H) Battery
- 61st (H) Battery
- 65th (H) Battery
- 108th Heavy Battery Royal Garrison Artillery
- Mounted Troops
- "A" Squadron 19th Hussars
- 5th Cyclist company
- Engineers
- 17th Field company Royal Engineers
- 59th Field company Royal Engineers
III Corps (William Pulteney)
- 10th Brigade
- 1st Royal Warwickshire
- 2nd Seaforth Highlanders
- 1st Princess Victoria’s (Royal Irish Fusiliers)
- 2nd Royal Dublin Fusiliers
- 11th Brigade
- 1st Prince Albert (Somerset Light Infantry)
- 1st East Lancashire
- 1st Hampshire
- 1st The Rifle Brigade
- 12th Brigade
- 1st The King’s Own (Royal Lancaster)
- 2nd Lancashire Fusiliers
- 2nd Royal Inniskilling Fusiliers
- 2nd Sussex
- XIV Brigade, Royal Field Artillery
- 39th Battery
- 68th Battery
- 88th Battery
- XXIX Brigade, Royal Field Artillery
- 125th Battery
- 126th Battery
- 127th Battery
- XXXII Brigade, Royal Field Artillery
- 27th Battery
- 134th Battery
- 135th Battery
- XXXVII (Howitzer) Brigade, Royal Field Artillery
- 31st (H) Battery
- 35th (H) Battery
- 55th (H) Battery
- 31st Heavy Battery Royal Garrison Artillery
- Mounted Troops
- "A" Squadron 19th Hussars
- 4th Cyclist company
- Engineers
- 7th Field company Royal Engineers
- 9th Field company Royal Engineers
- 16th Brigade
- 1st Buffs (East Kent Regiment)
- 1st Leicestershire
- 1st King's (Shropshire Light Infantry)
- 2nd York and Lancaster
- 17th Brigade
- 1st Royal Fusiliers (City of London Regiment)
- 1st Prince of Wales's (North Staffordshire Regiment)
- 2nd Prince of Wales's Leinster (Royal Canadians)
- 3rd Rifle Brigade (The Prince Consort's Own)
- 18th Brigade
- 1st Prince of Wales's Own (West Yorkshire Regiment)
- 1st East Yorkshire
- 2nd Sherwood Foresters (Nottinghamshire and Derbyshire Regiment)
- 2nd Durham Light Infantry
- 19th Brigade
- 2nd Royal Welsh Fusiliers
- 2nd Queen's Own Cameron Highlanders
- 1st Middlesex
- 2nd Argyll and Sutherland Highlanders
- II Brigade, Royal Field Artillery
- 21st Battery
- 42nd Battery
- 53rd Battery
- XXIV Brigade, Royal Field Artillery
- 110th Battery
- 111th Battery
- 112th Battery
- XXXVIII Brigade, Royal Field Artillery
- 24th Battery
- 34th Battery
- 72nd Battery
- XII (Howitzer) Brigade, Royal Field Artillery
- 43rd (H) Battery
- 86th (H) Battery
- 87th (H) Battery
- 24th Heavy Battery Royal Garrison Artillery
- Mounted Troops
- "C" Squadron 19th Hussars
- 6th Cyclist company
- Engineers
- 12th Field company Royal Engineers
- 38th Field company Royal Engineers
Royal Flying Corps (David Henderson)
- HQ Wireless Unit
- 2nd Aeroplane Squadron
- 3rd Aeroplane Squadron
- 4th Aeroplane Squadron
- 5th Aeroplane Squadron
- 6th Aeroplane Squadron
Cavalry Corps (Edmund Allenby)
1st Cavalry Division (Beauvoir De Lisle)
- 1st Cavalry Brigade
- 2nd Dragoon Guards
- 5th Dragoon Guards
- 11th Hussars
- 1st Signal Troop
- 2nd Cavalry Brigade
- 4th Dragoon Guards
- 9th Lancers
- 18th Hussars
- 2nd Signal Troop
- VII Brigade, Royal Horse Artillery
- H Battery, RHA
- I Battery, RHA
- Cavalry Divisional Troops
- 1st Field Squadron Royal Engineers
- 1st Signal Squadron
- 1st Cavalry Division supply column
- 1st and 3rd Cavalry Field Ambulances
2nd Cavalry Division (Hubert Gough)
- 3rd Cavalry Brigade
- 4th Hussars
- 5th Lancers
- 16th Lancers
- 3rd Signal Troop
- 4th Cavalry Brigade
- 6th Dragoon Guards
- 3rd Hussars
- Household Cavalry Composite Regiment
- 4th Signal Troop
- 5th Cavalry Brigade
- 2nd Dragoons
- 12th Lancers
- 20th Hussars
- 5th Signal Troop
- III Brigade, Royal Horse Artillery
- D Battery, RHA
- E Battery, RHA
- J Battery, RHA
- Cavalry Divisional Troops
- 2nd Field Squadron Royal Engineers
- 2nd Signal Squadron
- 2nd Cavalry Division supply column
- 2nd, 4th and 5th Cavalry Field Ambulances
IV Corps (Henry Rawlinson)
7th Division (Thompson Capper)
- 20th Brigade
- 1st Grenadier Guards
- 2nd Scots Guards
- 2nd Border
- 2nd Gordon Highlanders
- 21st Brigade
- 2nd Bedfordshire
- 2nd Green Howards (Alexandra, Princess of Wales's Own Yorkshire Regiment)
- 2nd Royal Scots Fusiliers
- 2nd Wiltshire (Duke of Edinburgh's)
- 22nd Brigade
- 2nd Queen's (Royal West Surrey)
- 2nd Royal Warwickshire
- 1st Royal Welch Fusiliers
- 1st South Staffordshire
- XIV Brigade, Royal Horse Artillery
- C Battery, RHA
- F Battery, RHA
- XXII Brigade Royal Field Artillery
- 104th Battery
- 105th Battery
- 106th Battery
- XXXV Brigade Royal Field Artillery
- 12th Battery
- 25th Battery
- 58th Battery
- 24th Heavy Brigade Royal Garrison Artillery
- 7th Divisional ammunition column
- Mounted Troops
- Northumberland Hussars
- 7th Cyclist company
- Engineers
- 54th Field company Royal Engineers
- 55th Field company Royal Engineers
- Divisional Troops
- 7th Signal company
- 7th divisional train
- 21st,22nd and 23rd Field Ambulances
3rd Cavalry Division (Julian Byng)
- 6th Cavalry Brigade
- 3rd (Prince of Wales's) Dragoon Guards
- 1st Royal Dragoons
- 10th Hussars
- 7th Cavalry Brigade
- 1st Life Guards
- 2nd Life Guards
- Royal Horse Guards
- XV Brigade, Royal Horse Artillery (later renumbered IV Brigade, RHA)
- G Battery, RHA
- K Battery, RHA
- Cavalry Divisional Troops
- 3rd Field Squadron Royal Engineers
- 3rd Signal Squadron
- 33rd Cavalry Division supply column
- 6th and 7th Cavalry Field Ambulances
Indian Corps (James Willcocks)
Lahore Division (H.B.B. Watkis)
- Ferozepore Brigade
- 1st Connaught Rangers
- 9th Bhopal Infantry
- 57th Wilde's Rifles
- 129th Duke of Connaught's Own Baluchis
- Jullundur Brigade
- 1st Manchester
- 15th Ludhiana Sikhs
- 47th Sikhs
- 59th Scinde Rifles
Meerut Division (C.A. Anderson)
- Dehra Dun Brigade
- 1st Seaforth Highlanders
- 6th Jat Light Infantry
- 2/2 King Edward VII's Own Gurkha Rifles (The Sirmoor Rifles)
- 1/9 Gurkha Rifles
- Garwhal Brigade
- 2nd Leicestershire
- 1/39 Garhwal Rifles
- 2/39 Garhwal Rifles
- 2/3 Queen Alexandra's Own Gurkha Rifles
- Bareilly Brigade
- 2nd Black Watch
- 41st Dogras
- 58th Vaughan's Rifles
- 2/8 Gurkha Rifles
- IV Brigade Royal Field Artillery
- 7th Battery
- 14th Battery
- 66th Battery
- IX Brigade Royal Field Artillery
- 19th Battery
- 20th Battery
- 28th Battery
- XIII Brigade Royal Field Artillery
- 2nd Battery
- 8th Battery
- 44th Battery
- 110th Heavy Battery Royal Garrison Artillery
- Meerut Divisional ammunition column
- Mounted Troops
- 4th Cavalry(Lancers)
- Engineers
- 3rd company 1st King George V's Own Bengal Sappers and Miners
- 4th company 1st King George V's Own Bengal Sappers and Miners
- Divisional Troops
- Meerut Signal company
- 107th Pioneers
- Meerut divisional train
- 19th and 20th Field Ambulances
- 128th, 129th and 130th (Indian) Field Ambulances
