- Headquarters, Theatre Troops, at Trenchard Lines, Upavon
- 1st Military Intelligence Brigade, at Chicksands Station
- 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)
- 4th Military Intelligence Battalion, at Ward Barracks, Bulford Camp (supporting 3rd (United Kingdom) Mechanised Division)
- 5th Military Intelligence Battalion (TA), HQ in Edinburgh
- 15 Psychological Operations Group, at the Chicksands Station (Joint Tri-Services)
- 1st (United Kingdom) Signal Brigade, at Joint Headquarters Rheindahlen, Germany
- 2nd (National Communications) Signal Brigade
- 1 (Royal Buckinghamshire Yeomanry) Signal Squadron (Special Communications), Royal Corps of Signals (V), at John Howard Barracks, Bletchley
- 2 (City of Dundee) Signal Squadron, Royal Corps of Signals (V), in Dundee
- 10th Signal Regiment, Royal Corps of Signals, at Basil Hill Barracks, Corsham
- 31st (City of London) Signal Regiment, Royal Corps of Signals (V), in London
- 32nd (Scottish) Signal Regiment, Royal Corps of Signals (V), in Glasgow
- 36th (Eastern) Signal Regiment, Royal Corps of Signals (V), in Ilford
- 37th Signal Regiment, Royal Corps of Signals (V), at Kohima House, Redditch
- 38th (City of Sheffield) Signal Regiment, Royal Corps of Signals (V), in Sheffield
- 39th Signal Regiment (The Skinners), Royal Corps of Signals (V), in Bristol
- 40th (Ulster) Signal Regiment, Royal Corps of Signals (V), in Belfast
- 71st (City of London) Yeomanry Signal Regiment, Royal Corps of Signals (V), in Bexleyheath
- Central Volunteer Headquarters, Royal Corps of Signals (V), at Basil Hill Barracks, Corsham
- 11th Signal Brigade, at Venning Barracks, MoD Donnington
- 2nd Signal Regiment, Royal Corps of Signals, at Imphal Barracks, York Garrison
- 14th Signal Regiment (Electronic Warfare), Royal Corps of Signals, at Cawdor Barracks, Brawdy
- 30th Signal Regiment, Royal Corps of Signals, at Gamecock Barracks, Bramcote Station
- Unified Systems Support Organisation, at Venning Barracks, MoD Donnington
- 12th Signal Group (V), at Beacon Barracks, Stafford
- 1st Reconnaissance Brigade, at Trenchard Lines, Upavon
- 1st Artillery Brigade, at AAC Netheravon
- 5th Regiment, Royal Artillery, at Marne Barracks, Catterick Garrison (Surveillance and Target Acquisition)
- 32nd Regiment, Royal Artillery, at Roberts Barracks, Larkhill Garrison (Mini UAS)
- 39th Regiment, Royal Artillery, at Albemarle Barracks, Stamfordham (MLRS and MUAs) – supporting 3 UK Division
- 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)
- Royal School of Artillery, at Stirling Barracks, Larkhill Garrison
- 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
- 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 (Hybrid) (Air, Aviation, and UAS tasks support.)
- 510 Specialist Team (Airfields), Royal Engineers (Army Reserve)
- 25th Engineer Regiment (Air Support), Royal Engineers, at Waterbeach Barracks, Cambridge
- 39th Engineer Regiment (Air Support), Royal Engineers, at RAF Waterbeach
- 29 (Explosive Ordnance Disposal and Search) Engineer Group, at Montgomery House, Aldershot Garrison
- 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
- 33rd Engineer Regiment (Explosive Ordnance Disposal), Royal Engineers, at Carver Barracks, Wimbish
- 101st (City of London) Engineer Regiment (Explosive Ordnance Disposal and Search), Royal Engineers, (V) HQ in Catford (EOD, Army Reserve) — paired with 33 Engineer Regiment
- 11th Explosive Ordnance Disposal and Search Regiment, Royal Logistic Corps, at Vauxhall Barracks, Didcot
- 1st Military Working Dog Regiment, Royal Army Veterinary Corps, at St George's Barracks, North Luffenham (Hybrid)
- 170 (Infrastructure Support) Engineer Group, at Chetwynd Barracks, Chilwell
- 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
- 101st Logistic Brigade Headquarters and 261 Signal Squadron, Royal Corps of Signals, at Saint Omer Barracks, Aldershot Garrison
- 604 (Aldershot) Signal Troop, Royal Corps of Signals
- 661 Signal Troop, Royal Corps of Signals, at Aldershot Garrison
- 9th Regiment Royal Logistic Corps, at Buckley Barracks, Hullavington
- 10th (Queen's Own Gurkha) Logistic Regiment, Royal Logistic Corps, at Roman Barracks, Colchester Garrison
- 27th Regiment, Royal Logistic Corps, at Travers Barracks, Aldershot Garrison
- 225th (Scottish) Medical Regiment, Royal Army Medical Corps (V), in Edinburgh
- 4th General Support Medical Regiment, Royal Army Medical Corps, at Keogh Barracks, Aldershot Garrison
- 4th Regiment Royal Military Police, at Arnhem Barracks, Aldershot Garrison
- 101 Military Working Dog Support Unit, Royal Army Veterinary Corps, at Puckridge Barracks, Aldershot Garrison
- 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
- 6th Supply Regiment, Royal Logistic Corps, at Princess Royal Barracks, Gütersloh and Münster
- 7th Regiment Royal Logistic Corps, at Catterick Barracks, Bielefeld
- 8th Regiment Royal Logistic Corps, at Marne Barracks, Catterick Garrison
- 5th General Support Medical Regiment, Royal Army Medical Corps, at Fulwood Barracks, Preston
- 254th (City of Cambridge) Medical Regiment, Royal Army Medical Corps (V), in Cambridge
- 5th Regiment Royal Military Police, at Princess Royal Barracks, Gütersloh
- 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
- 23rd Pioneer Regiment, Royal Logistic Corps, at Saint David's Barracks, Bicester Garrison
- 29th Postal, Courier, and Movements Regiment, Royal Logistic Corps, at Duke of Gloucester Barracks, South Cerney
- 88th Postal and Courier Regiment, Royal Logistic Corps (V), at Prince William of Gloucester Barracks, Grantham
- Catering Support Regiment, Royal Logistic Corps (V), at Prince William of Gloucester Barracks, Grantham
- 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
- 34th Field Hospital, Royal Army Medical Corps, at Queen Elizabeth Barracks, Strensall
- 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
- 203rd (Welsh) Field Hospital, Royal Army Medical Corps (V), in Cardiff
- 204th (North Irish) Field Hospital, Royal Army Medical Corps (V), in Belfast
- 205th (Scottish) Field Hospital, Royal Army Medical Corps (V), in Glasgow
- 207th (Manchester) Field Hospital, Royal Army Medical Corps (V), in Manchester
- 208th (Liverpool) Field Hospital, Royal Army Medical Corps (V), in Liverpool
- 212th (Yorkshire) Field Hospital, Royal Army Medical Corps (V), in Sheffield
- 243rd (The Wessex) Field Hospital, Royal Army Medical Corps (V), in Keynsham, Bristol
- 256th (City of London) Field Hospital, Royal Army Medical Corps (V), in London
- 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
- Army Medical Services Manpower Pool (V), at Queen Elizabeth Barracks, Strensall
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