| Land · Main battle tank |
| Challenger 2British Army | Main battle tank | 285 | | | United Kingdom | 1998 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Land · Infantry fighting vehicle |
| FV510 WarriorBritish Army | Infantry fighting vehicle | 526 | | | United Kingdom | 1988 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| AjaxBritish Army | Infantry fighting vehicle | 185 | | | United Kingdom | | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| BoxerBritish Army | Infantry fighting vehicle | 28 | | | Germany | 2011 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Land · Armoured personnel carrier |
| FV430 seriesBritish Army | Armoured personnel carrier | 723 | | | United Kingdom | | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| JackalBritish Army | Armoured personnel carrier | 723 | | 53 | United Kingdom | | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| CougarBritish Army | Armoured personnel carrier | 539 | | | United States | | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| OcelotBritish Army | Armoured personnel carrier | 389 | | | United Kingdom | | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Iveco LMV | Armoured personnel carrier | 377 | | | Italy | | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Bandvagn 206 | Armoured personnel carrier | 185 | | | Sweden | | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Alvis Stormer | Armoured personnel carrier | 53 | | | United Kingdom | | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Mamba | Armoured personnel carrier | 14 | | | South Africa | | SIPRI Arms Transfers Databaselow |
| TPz FuchsBritish Army | Armoured personnel carrier | 8 | | | Germany | | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| M113 | Armoured personnel carrier | held | | | United States | 1960 | SIPRI Arms Transfers Databaselow |
| RWMIK Land RoverBritish Army | Armoured personnel carrier | held | | | United Kingdom | | Wikipedia: List of equipment of the British Armylow |
| Land · Reconnaissance and light armour |
| BvS 10 | Reconnaissance and light armour | 73 | | 55 | United Kingdom | | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Land · Self-propelled artillery |
| ArcherBritish Army | Self-propelled artillery | 14 | | | Sweden | 2016 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| AS-90 | Self-propelled artillery | – | | | United Kingdom | | |
| Land · Towed artillery |
| L118British Army | Towed artillery | 126 | | | United Kingdom | 1975 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Land · Rocket artillery and MLRS |
| M270 Multiple Launch Rocket SystemBritish Army | Rocket artillery and MLRS | 26 | | | United States | 1983 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Land · Mortars (120 mm+) |
| L16British Army | Mortars (120 mm+) | 470 | | | United Kingdom | 1965 | Wikipedia: List of equipment of the British Army |
| Land · Anti-tank missile system |
| FGM-148 JavelinBritish Army | Anti-tank missile system | held | | | United States | 1996 | SIPRI Arms Transfers Databaselow |
| MBT LAWBritish Army | Anti-tank missile system | held | | | Sweden | 2007 | Wikipedia: List of equipment of the British Armylow |
| SpikeBritish Army | Anti-tank missile system | held | | | Israel | 1997 | Wikipedia: List of equipment of the British Armylow |
| Land · Ground-based air defence (short range) |
| StarstreakBritish Army | Ground-based air defence (short range) | 53 | | | United Kingdom | 1997 | Wikipedia: List of equipment of the British Army |
| Land · Engineering and bridging |
| Heavy Equipment Transport SystemBritish Army | Engineering and bridging | 161 | | | United States | 1941 | Wikipedia: List of equipment of the British Army |
| Challenger Armored Repair and Recovery VehicleBritish Army | Engineering and bridging | 72 | | | United Kingdom | | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| TerrierBritish Army | Engineering and bridging | 60 | | | United Kingdom | | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Trojan Armoured Vehicle Royal EngineersBritish Army | Engineering and bridging | 32 | | | United Kingdom | 2007 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Sea · Aircraft carrier |
| Queen Elizabeth-class aircraft carrier | Aircraft carrier | 2 | | | United Kingdom | 2017 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Sea · Amphibious assault ship |
| M3 Amphibious RigBritish Army | Amphibious assault ship | 27 | | | Germany | 1999 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Bay-class landing ship | Amphibious assault ship | 3 | | | United Kingdom | 2006 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Albion-class landing platform dock | Amphibious assault ship | – | | | United Kingdom | 2003 | |
| Sea · Destroyer |
| Type 45 guided missile destroyer | Destroyer | 6 | | | United Kingdom | 2009 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Sea · Frigate |
| Type 23 frigate | Frigate | 7 | | | United Kingdom | 1987 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Sea · Fast attack and patrol craft |
| River-class patrol vessel | Fast attack and patrol craft | 8 | | | United Kingdom | 2003 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Sea · Nuclear-powered submarine |
| Astute-class submarineHMS Astute, HMS Ambush, HMS Artful, HMS Audacious, HMS Anson, HMS Agamemnon | Nuclear-powered submarine | 6 | | | United Kingdom | 2010 | Wikipedia: List of active Royal Navy ships |
| Vanguard-class submarineHMS Vanguard, HMS Victorious, HMS Vigilant, HMS Vengeance | Nuclear-powered submarine | 4 | | | United Kingdom | 1993 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Sea · Replenishment and auxiliary |
| Sea-class workboatHMS Magpie, 34 vessels: * 8 x 15 m Officer Training Units; * 6 x 15 m Diver Training/Support Boats; * 4 x 15 m Survey/hydrographic Modules; * 3 x 13.8 m Passenger Transfer Boats (PTBs); * 10 x 11 m Standard Workboats; * 3 x 11 m Small Survey Modules, RNMB Hussar, RNMB Hazard, RNMB Hellcat, RNMB Halcyon and 3 more | Replenishment and auxiliary | 9 | | | Unknown | 2018 | Wikipedia: List of active Royal Navy ships |
| Tide-class tanker | Replenishment and auxiliary | 4 | | | United Kingdom | | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| HMS Protector (A173) | Replenishment and auxiliary | 1 | | | Norway | 2001 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| HMS Queen ElizabethSea Harrier Buccaneer Sea Vixen Swordfish | Replenishment and auxiliary | 1 | | | United Kingdom | 2020 | Wikipedia: List of active Royal Navy ships |
| HMS Stirling Castle (M01) | Replenishment and auxiliary | 1 | | | Unknown | 2013 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Hunt-class mine countermeasures vesselBrecon | Replenishment and auxiliary | 1 | | | United Kingdom | 1978 | Wikipedia: List of active Royal Navy ships |
| RFA Fort Victoria | Replenishment and auxiliary | 1 | | | United Kingdom | 1993 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| RFA Proteus | Replenishment and auxiliary | 1 | | | Unknown | 2019 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Sandown-class minehunterHindostan (ex- Cromer ) | Replenishment and auxiliary | 1 | | | United Kingdom | 1989 | Wikipedia: List of active Royal Navy ships |
| RFA Argus | Replenishment and auxiliary | 0 | | | Unknown | 1981 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Air · Fighter and multirole |
| Eurofighter Typhoon | Fighter and multirole | 111 | | | Germany | 2003 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Lockheed Martin F-35 Lightning II | Fighter and multirole | 47 | | | United States | 2015 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Supermarine Spitfire | Fighter and multirole | 5 | | | United Kingdom | 1938 | Wikipedia: List of active United Kingdom military aircraft |
| Hunter | Fighter and multirole | 3 | | | United Kingdom | 1956 | Wikipedia: List of active United Kingdom military aircraft |
| Hawker Hurricane | Fighter and multirole | 2 | | | United Kingdom | 1937 | Wikipedia: List of active United Kingdom military aircraft |
| Air · Strike and bomber |
| MQ-9 Reaper | Strike and bomber | 9 | | | United States | 2007 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Avro Lancaster | Strike and bomber | 1 | | | United Kingdom | 1942 | Wikipedia: List of active United Kingdom military aircraft |
| Air · Attack helicopter |
| Hughes AH-64 ApacheBritish Army | Attack helicopter | 38 | | | United States | 1984 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Air · Tanker |
| Airbus A400M Atlas | Tanker | 22 | | | Germany | 2013 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Airbus A330 MRTT | Tanker | 14 | | | France | 2011 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Air · Airborne early warning and control |
| Boeing E-7 Wedgetail | Airborne early warning and control | 0 | | | United States | 2012 | Wikipedia: List of active United Kingdom military aircraft |
| Air · Maritime patrol |
| Boeing P-8 Poseidon | Maritime patrol | 9 | | | United States | 2013 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Air · ISR and electronic warfare aircraft |
| RC-135 | ISR and electronic warfare aircraft | 3 | | | United States | 1965 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Diamond DA42 | ISR and electronic warfare aircraft | 2 | | | Austria | 2004 | SIPRI Arms Transfers Databaselow |
| Air · Trainer |
| Embraer EMB 312 Tucano | Trainer | 130 | | | Brazil | 1983 | SIPRI Arms Transfers Databaselow |
| Grob G 115 | Trainer | 91 | | | Germany | 1988 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Grob G 103 Twin Astir | Trainer | 54 | | | Germany | | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Grob G 103 Twin II | Trainer | 52 | | | Germany | 1990 | Wikipedia: List of active United Kingdom military aircraft |
| BAE Systems Hawk | Trainer | 46 | | | United Kingdom | 1976 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| EC135 | Trainer | 29 | | | Germany | 1996 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Grob G 120TP | Trainer | 23 | | | Germany | 2018 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| T-6 Texan II | Trainer | 14 | | | United States | 2000 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Alpha Jet | Trainer | 10 | | | France | 1977 | SIPRI Arms Transfers Databaselow |
| de Havilland Canada DHC-1 Chipmunk | Trainer | 2 | | | Canada | 1946 | Wikipedia: List of active United Kingdom military aircraft |
| Air · Transport aircraft |
| C-130J Super Hercules | Transport aircraft | 25 | | | United States | 1999 | SIPRI Arms Transfers Databaselow |
| Boeing C-17 Globemaster III | Transport aircraft | 8 | | | United States | 1995 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Beechcraft 200 Super King Air | Transport aircraft | 7 | | | United States | 2009 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Phenom 100 | Transport aircraft | 5 | | | Brazil | 2018 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Dassault Falcon 900 | Transport aircraft | 2 | | | France | 2022 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Douglas C-47 | Transport aircraft | 1 | | | United States | 1942 | Wikipedia: List of active United Kingdom military aircraft |
| Air · Transport and utility helicopter |
| Aérospatiale SA 330 Puma | Transport and utility helicopter | 55 | | | France | 1969 | SIPRI Arms Transfers Databaselow |
| AW159 WildcatBritish Army | Transport and utility helicopter | 47 | | | United Kingdom | 2014 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| AgustaWestland AW101 | Transport and utility helicopter | 44 | | | Italy | 2000 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Boeing CH-47 Chinook | Transport and utility helicopter | 36 | | | United States | 1962 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Boeing Chinook (UK variants) | Transport and utility helicopter | 36 | | | United States | 1980 | Wikipedia: List of active United Kingdom military aircraft |
| Bell 412 | Transport and utility helicopter | 15 | | | United States | 1981 | SIPRI Arms Transfers Databaselow |
| Airbus Helicopters H145 | Transport and utility helicopter | 7 | | | Germany | 2002 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| AS355 Écureuil 2 | Transport and utility helicopter | 3 | | | France | | SIPRI Arms Transfers Databaselow |
| Eurocopter AS350 Écureuil | Transport and utility helicopter | 3 | | | France | 1977 | Wikipedia: List of active United Kingdom military aircraft |
| S-70 | Transport and utility helicopter | 3 | | | United States | | SIPRI Arms Transfers Databaselow |
| Ka-32 | Transport and utility helicopter | 2 | | | Russia | | SIPRI Arms Transfers Databaselow |
| Mil Mi-17 | Transport and utility helicopter | 2 | | | Soviet Union | 1977 | SIPRI Arms Transfers Databaselow |
| WS-61 Sea King | Transport and utility helicopter | 2 | | | United Kingdom | 1969 | Wikipedia: List of active United Kingdom military aircraft |
| AgustaWestland AW109 | Transport and utility helicopter | 1 | | | Italy | 1976 | Wikipedia: List of active United Kingdom military aircraft |
| AgustaWestland AW149 | Transport and utility helicopter | 0 | | | Italy | 2030 | Wikipedia: List of active United Kingdom military aircraft |
| Dauphin 2British Army | Transport and utility helicopter | – | | | France | 1989 | |
| Air · ISR UAV |
| AeroVironment RQ-20 Puma | ISR UAV | 90 | | | United States | 2007 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| AeroVironment Wasp III | ISR UAV | 36 | | | United States | | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Watchkeeper WK450British Army | ISR UAV | 13 | | | United Kingdom | 2014 | UK armed forces equipment and formations 2026 (Ministry of Defence (Defence Statistics)) |
| Schiebel Camcopter S-100 | ISR UAV | 2 | | | Austria | 2024 | Wikipedia: List of active United Kingdom military aircraft |
| Airbus Zephyr | ISR UAV | 0 | | | United Kingdom | 2017 | Wikipedia: List of active United Kingdom military aircraft |
| Air · Loitering munition |
| AeroVironment SwitchbladeBritish Army | Loitering munition | held | | | United States | 2012 | Wikipedia: List of equipment of the British Armylow |
| Strategic · Submarine-launched ballistic missile |
| UGM-133 Trident II | Submarine-launched ballistic missile | held | | | United States | 1990 | SIPRI Yearbook 2025: World nuclear forces (January 2025) |
| Cyber and C4ISR · Long-range radar |
| GIRAFFE RadarBritish Army | Long-range radar | 6 | | | Sweden | 1977 | Wikipedia: List of equipment of the British Army |
| ARTHURBritish Army | Long-range radar | 5 | | | Sweden | | Wikipedia: List of equipment of the British Army |