United Kingdom

UK company manufacturing flail systems for mine clearance and route clearance vehicles.

Accuracy International is a sme based in United Kingdom specializing in ax series and l115a3. Established in 1978, headquartered in Portsmouth, United Kingdom.

UK company providing precision sniper rifles.

AmSafe Bridport manufactures restraint systems, cargo nets, and webbing for military applications.

British company developing bio-inspired drones and vehicles. Founded in 2015, headquartered in Oxford, specializes in skeeter nano-uav, stork cargo drone.

United Kingdom-based company, founded in 1987. Specializes in simulators, cbrn training, detectors for defense and military applications.

Armtrac Limited is a British company specializing in the design and manufacture of remote-controlled mine clearance and battlefield area clearance systems. The company's flail and tiller systems are used worldwide for humanitarian demining and military route clearance operations.

UK manufacturer of technical woven fabrics for defense applications including camouflage, ballistic protection, and NBC filtration.

Aspire Defence provides facilities management and accommodation services for UK military.

Avon Aerospace provides hydraulic and pneumatic components for military aircraft.

British-American manufacturer of respiratory protection systems and ballistic protection.

United Kingdom-based subsidiary, subsidiary of Avon Technologies. Specializes in m50, fm50, respirators for defense and military applications.

British organization maintaining UK nuclear weapons. Founded in 1950, headquartered in Aldermaston, United Kingdom, specializes in nuclear warheads.

United Kingdom-based subsidiary, subsidiary of Babcock International. Specializes in naval support, aviation, training for defense and military applications.

British multinational aerospace, defence, and security company specialising in naval and nuclear support.

Babcock provides defense support services, naval vessel maintenance, and complex engineering.

UK company providing weapons handling and launch systems for naval vessels.

British multinational defence, security, and aerospace company. One of the world's largest defence contractors.

UK company providing military aircraft and systems.

BAE Systems Applied Intelligence provides cybersecurity, financial crime, and communications intelligence.

United Kingdom-based subsidiary, subsidiary of BAE Systems. Specializes in m777, m109, as90 for defense and military applications.

United Kingdom-based subsidiary, subsidiary of BAE Systems. Specializes in challenger 3, as90, munitions for defense and military applications.

United Kingdom-based subsidiary, subsidiary of BAE Systems. Specializes in type 26, dreadnought, astute for defense and military applications.

British company producing naval artillery and weapon systems. Founded in 1999, headquartered in Barrow, specializes in mk 45, 57mm.

BAE Systems Submarines is a major prime contractor based in United Kingdom specializing in astute-class and dreadnought-class. Established in 1871, headquartered in Barrow-in-Furness, United Kingdom.

Developer of high-speed target drones for air defence training. Founded in 2004, headquartered in Llanbedr.

UK company providing ground surveillance radar.

British company producing ground surveillance and counter-drone radar. Founded in 2002, headquartered in Cambridge, specializes in a400 radar, counter-uas.

British company developing swarming UAV technologies and autonomous systems. Founded in 2003, headquartered in Bedford, specializes in smash swarming system, ghost target uavs.

Global defence consultancy providing strategic advisory and program management services.

Bruntons Propellers is a private company based in United Kingdom specializing in propellers and shaft systems. Established in 1908, headquartered in Clacton-on-Sea.

United Kingdom-based subsidiary, subsidiary of Capita. Specializes in recruitment, it services, training for defense and military applications.

British manufacturer of protective and performance fabrics for military uniforms, supplying flame-resistant, camouflage, and IR-reflective textiles to NATO armed forces. Produces combat uniform fabrics, NBC protective materials, and high-performance workwear textiles for defense customers.

United Kingdom-based subsidiary, subsidiary of BP. Specializes in brayco, aero oils, fluids for defense and military applications.

UK company providing lubricants and fluids for military vehicles and aircraft.

United Kingdom-based company. Specializes in hydrogen, storage, fuel for defense and military applications.

UK company providing antennas and communications for military aircraft.

UK company providing military antennas and communication systems.

UK manufacturer of countermeasures including flares, chaff, and decoys for aircraft and naval vessels.

UK subsidiary of Chemring Group designing and manufacturing energetic materials including propellants, pyrotechnics, and explosive fills for military munitions and rocket motors. Supplies warhead fills and initiators to NATO armed forces.

UK defense company's EOD division providing bomb disposal equipment and countermeasures.

British munitions and countermeasures manufacturer. Founded in 1905, headquartered in Romsey, United Kingdom.

British company producing stabilized surveillance and weapon systems. Founded in 1993, headquartered in Horsham, specializes in surveillance systems, remote weapons.

Claxton provides offshore engineering, decommissioning, and marine services for naval operations.

British-American microelectronics company providing RF and microwave components, antenna systems, and space-qualified electronics for defense and intelligence applications.

United Kingdom-based subsidiary, subsidiary of Cobham. Specializes in jammers, ew pods, decoys for defense and military applications.

UK company providing advanced antenna systems for military aircraft and platforms.

UK company providing electronic countermeasures and jammers for IED defeat.

UK company providing ejection seat components.

British company providing aerial refuelling and mission systems. Founded in 1934, headquartered in Wimborne, United Kingdom, specializes in hose-drogue systems, pod systems.

UK company providing military oxygen and refueling systems.

British defence technology company with multiple subsidiaries. Founded in 2006, headquartered in Reading, specializes in electronic warfare, training systems.

United Kingdom-based company, founded in 2007. Specializes in rfeye, spectrum, geolocation for defense and military applications.

Crysalis provides high-speed imagery, data acquisition, and test instrumentation for defense.

United Kingdom-based company, founded in 2015. Specializes in kapture, ai assurance, safety for defense and military applications.

David Brown Santasalo Naval is a subsidiary based in United Kingdom specializing in naval gearboxes and propulsion systems. Established in 1860, headquartered in Huddersfield.

Defence Science and Technology Laboratory is a government agency based in United Kingdom specializing in defence r&d and cbrn. Established in 2001, headquartered in Porton Down, United Kingdom.

UK company providing geotextile defensive barriers.

UK company providing modular defensive structures.

DIANA (Defence Innovation Accelerator for the North Atlantic) is NATO's innovation accelerator program that connects Allied defense organizations with startups and researchers developing dual-use technologies. It operates a network of test centres and accelerator sites across Allied nations.

UK technology company providing covert surveillance, edge-AI video analytics, and smart border security systems for military, law enforcement, and government agencies. Digital Barriers' TVI Edge platform deploys AI-enabled cameras on military platforms and perimeter sensors for persistent wide-area surveillance.

UK company providing military diving equipment.

UK diving equipment company providing military diving systems, helmets, and life support.

UK wireless communications company providing tactical video, data, and mesh networking for defense and public safety.

UK company providing military aircraft propellers.

Welsh developer of directed energy weapon systems for air and missile defence applications.

British shipbuilder specializing in naval auxiliary vessels and support ships. Founded in 1998, headquartered in Newcastle, specializes in fleet auxiliaries, tankers.

UK counter-UAS specialist providing detection and defeat solutions for critical national infrastructure and military sites. Offers integrated layered C-UAS systems combining radar, RF sensors, and effectors.

UK-based manufacturer of armored vehicle track systems, rubber track pads, and bridging components for military vehicles, headquartered in Ashford.

United Kingdom-based company, founded in 1910. Specializes in aircraft tires, tubes, retreads for defense and military applications.

UK company providing testing and certification for defense systems.

Exclusive Analysis provides intelligence, risk analysis, and threat assessment for defense.

Faststream provides recruitment and staffing services for maritime and defense industries.

Finastra provides financial software and banking solutions for defense credit unions.

First Light develops inertial confinement fusion technology for future energy and defense.

United Kingdom-based subsidiary, subsidiary of Howmet Aerospace. Specializes in rings, forgings, aerospace for defense and military applications.

UK company providing laser components and systems for defense.

General Dynamics UK producing armored vehicles and IT systems. Founded in 1999, headquartered in Oakdale, United Kingdom, specializes in ajax, bowman.

UK geospatial intelligence company providing maritime tracking and analysis for defense and security.

British multinational tier-1 aerospace supplier producing aerostructures and engine components.

UK company providing aerostructures, engine systems, and advanced composites.

UK company providing military fuel systems and tanks.

British aerospace structures manufacturer for wings and nacelles. Founded in 1759, headquartered in Bristol, United Kingdom.

United Kingdom-based company, founded in 2011. Specializes in gravity storage, energy, grid for defense and military applications.

British company providing distributed computing for military simulations. Founded in 2015, headquartered in London, United Kingdom, specializes in hadean platform, synthetic environments.

Provider of aircraft leasing and contract air services for military customers. Founded in 2005, headquartered in Farnborough.

United Kingdom-based subsidiary, subsidiary of HESCO Group. Specializes in hesco barriers, bastion, concertainer for defense and military applications.

UK company providing protective barriers for military bases.

UK company providing autonomous vehicle tech.

UK company providing suspension systems for armored fighting vehicles.

British company providing synthetic environment technology for defense. Founded in 2012, headquartered in London, United Kingdom, specializes in spatialos, synthetic environments.

British technology company providing synthetic environments and simulation for military training.

United Kingdom-based subsidiary, subsidiary of Improbable, founded in 2012. Specializes in spatialos, simulation, wargaming for defense and military applications.

Inmarsat is a tier 1 supplier based in United Kingdom specializing in maritime and aviation satcom. Established in 1979, headquartered in London, United Kingdom.

British company providing global mobile satellite communications for defence. Founded in 1979, headquartered in London, specializes in l-band services, ka-band.

United Kingdom-based subsidiary, subsidiary of Intelligent Energy. Specializes in ie-soar, fuel cells, uav power for defense and military applications.

UK testing company providing quality assurance, testing, and certification for defense products.

Naval defence contractor building patrol vessels and maritime security systems. Founded in 2003, headquartered in Portsmouth, specializes in patrol boats, maritime surveillance systems.

Developer of ship armor systems and naval protection technology. Founded in 2010, headquartered in Glasgow.

UK satellite communications company developing multi-link terminals for defense and commercial SATCOM.

Academic spin-off developing AI-based defence technologies. Founded in 2018, headquartered in Cambridge, specializes in ai algorithms, research systems.

Developer of reconnaissance vehicles and mobile sensor platforms. Founded in 2007, headquartered in Telford, specializes in scout vehicles, sensor platforms.

UK company providing armored vehicles, tactical systems, and protection solutions.

UK company providing tactical vehicles and protection.

UK company providing submarine rescue systems, diving equipment, and hyperbaric systems.

UK company providing EMI shielding and thermal materials for defense.

United Kingdom-based subsidiary, subsidiary of Leonardo. Specializes in miysis, dircm, countermeasures for defense and military applications.

Italian company providing radar warning receivers and electronic support measures.

United Kingdom-based subsidiary, subsidiary of Leonardo. Specializes in damocles, djrp, targeting for defense and military applications.

British company producing heavy-lift quadcopter drones. Founded in 2013, headquartered in Maidenhead, specializes in t-150, heavy lift cargo drones.

UK unmanned maritime company providing autonomous surface vessels for survey, security, and defense applications.

British aerospace company providing aircraft MRO and modifications. Founded in 1909, headquartered in Cambridge, United Kingdom, specializes in c-130 modifications, special missions.

UK aerospace company providing aircraft modification, maintenance, and special mission conversions for military operators worldwide.

United Kingdom-based subsidiary, subsidiary of Marshall Aerospace. Specializes in medevac, aircraft medical, patient transport for defense and military applications.

British company producing ejection seats for military aircraft worldwide. Founded in 1934, headquartered in Denham, United Kingdom, specializes in mk16 ejection seat, mk18.

UK company providing military ejection seats.

UK company providing ejection seats and crew escape systems.

British company providing electronic warfare and training systems. Founded in 1983, headquartered in Lincoln, specializes in ew training, threat simulation.

UK company providing Brimstone air-launched ATGM.

European company providing Meteor air-to-air missile.

United Kingdom-based subsidiary, subsidiary of MBDA. Specializes in seekers, brimstone, meteor for defense and military applications.

MBDA UK is a major prime contractor based in United Kingdom specializing in storm shadow and brimstone. Established in 2001, headquartered in Stevenage, United Kingdom.

British aerospace components manufacturer now owned by Parker Hannifin, specialising in braking and thermal systems.

British company providing training systems and sensing equipment. Founded in 1947, headquartered in Christchurch, United Kingdom, specializes in target systems, sensors.

UK aerospace company providing sensing, thermal, and polymers for military aircraft and missiles.

UK company providing ammunition handling systems.

United Kingdom-based subsidiary, subsidiary of Parker Hannifin. Specializes in fire suppression, detection, smoke for defense and military applications.

UK company providing fuel systems, valves, and sensors for military aircraft.

UK company providing military fuel measurement and management.

British company producing seals and thermal protection. Founded in 1947, headquartered in Coventry, United Kingdom.

UK company providing aerospace fire protection.

UK subsidiary of Parker Hannifin (formerly Meggitt) providing precision sensors, structural health monitoring systems, and vibration sensing equipment for aerospace and defense platforms.

British company producing sensors for extreme environments. Founded in 1947, headquartered in Christchurch, specializes in vibration sensors, temperature sensors.

UK company providing thermal management and cooling for military electronics.

British company producing live-fire target systems and ranges. Founded in 1847, headquartered in Simi Valley, CA.

Morgan Advanced Materials produces ceramic armor, thermal management materials, and engineered components for defense applications.

British company producing ceramic armor and ballistic protection. Founded in 1856, headquartered in Stourport.

UK company providing advanced ceramics for defense armor and components.

Scottish-based manufacturer of commercial and military explosives, producing detonators, boosters, and explosive compounds at the historic Ardeer site. Part of the Chemring Group, supplies military-grade explosive fills and detonation systems for ordnance and demolition applications.

UK-based specialist in composite armor and vehicle protection systems for military applications. Provides ballistic protection, vehicle upgrade programs, and through-life support for armored fleets.

UK company operating autonomous underwater and surface vessels for seabed mapping and defense applications.

UK company providing autonomous underwater operations.

OneWeb is a sme based in United Kingdom specializing in leo broadband satellites. Established in 2012, headquartered in London, United Kingdom.

UK company providing CBRN training and detection.

UK company providing end-to-end small satellite missions from design through launch and operations. Open Cosmos builds and operates CubeSat and microsatellite platforms for defence, intelligence, and scientific payloads, offering rapid mission timelines of under 12 months.

British company producing net-capture counter-drone systems. Founded in 2012, headquartered in Northumberland, specializes in skywall, net launchers.

UK lithium-sulfur battery company developing ultra-light batteries for defense aviation and unmanned systems.

UK company providing LED lighting and EMI filters for military vehicles.

United Kingdom-based company, founded in 1946. Specializes in led lighting, emi filters, nvg for defense and military applications.

UK company providing mine clearance, obstacle breaching, and military engineering equipment.

UK company providing counter-IED equipment and route clearance.

UK-based defense manufacturer specializing in military shelters, container systems, and deployable infrastructure for NATO armed forces. Produces expandable shelters, field hospitals, and mobile command posts.

UK company providing training solutions, simulation, and integrated support for defense.

British company commercializing Dstl technologies. Founded in 2005, headquartered in Salisbury, specializes in technology transfer, licensing.

United Kingdom-based company, founded in 2009. Specializes in pqc, vpn, identity for defense and military applications.

United Kingdom-based company, founded in 1997. Specializes in gpu, frequency converters, power for defense and military applications.

United Kingdom-based company, founded in 2018. Specializes in pqc hardware, software, ip for defense and military applications.

UK company providing military medical equipment and trauma care.

UK company providing breaching and demolition tools.

UK defense technology company providing R&D and testing services. Founded in 2001, headquartered in Farnborough, United Kingdom, specializes in test ranges, robotics.

United Kingdom-based subsidiary, subsidiary of QinetiQ. Specializes in flight test, evaluation, training for defense and military applications.

UK defense technology company providing R&D, test and evaluation, and training for military customers.

British company developing quantum technologies for defence applications. Founded in 2018, headquartered in Farnborough, specializes in quantum sensors, navigation.

UK company providing aerial targets for weapons testing.

UK company providing weapons and systems testing for defense.

UK company providing survivability and protection systems.

UK joint venture between Rheinmetall and BAE Systems established to deliver the Challenger 3 Life Extension Programme for the British Army. RBSL modernises Challenger 2 main battle tanks with a new 120mm smoothbore gun, digital fire control, and improved protection under a £800M+ contract.

Rebellion Defence is a UK-US defense AI company providing artificial intelligence solutions to defense and intelligence agencies. Develops AI-powered products for threat detection, intelligence analysis, and autonomous systems. Key supplier to UK MOD and Five Eyes partners.

British company providing powertrain and vehicle engineering for defence. Founded in 1915, headquartered in Shoreham, specializes in transmissions, powertrain.

Riverlane is a Cambridge-based quantum computing company focused on quantum error correction, a critical enabler for fault-tolerant quantum systems with defense and intelligence applications. The company's Deltaflow platform provides a hardware-agnostic operating system for quantum computers used in national security research.

British company providing electronic warfare and sensing solutions. Founded in 1956, headquartered in Romsey, specializes in sigint, cyber.

British multinational aerospace and defence company, world leader in military jet engines and naval propulsion.

UK division providing nuclear propulsion systems for submarines and power systems for naval vessels.

British company producing naval propulsion systems. Founded in 1906, headquartered in Derby, specializes in mt30, nuclear propulsion.

British division designing and manufacturing nuclear submarine reactors. Founded in 1959, headquartered in Derby, United Kingdom, specializes in pwr3 reactor, nuclear propulsion.

UK company providing military relocatable buildings.

UK precision manufacturer of weapons components and ordnance parts. Founded in 1993, headquartered in Sheffield, specializes in weapon parts, ordnance components.

British company providing engineering and consultancy for defence. Founded in 1989, headquartered in Cheltenham, specializes in engineering consultancy, software.

British company producing torpedo countermeasures and naval systems. Founded in 1969, headquartered in Beckington, specializes in torpedo defence, naval decoys.

SEA Power & Industrial is a subsidiary based in United Kingdom specializing in power systems and ship integration. Established in 1969, headquartered in Beckington.

United Kingdom-based subsidiary, subsidiary of Leonardo. Specializes in litening, flir, targeting pods for defense and military applications.

British aerospace company producing fluid conveyance and structures. Founded in 1933, headquartered in Rickmansworth, United Kingdom, specializes in ducting, fuel systems.

UK company providing aerospace ducting and thermal.

UK company providing heat management systems for military aerospace.

British aerospace and defence components manufacturer. Founded in 1933, headquartered in Rickmansworth, United Kingdom, specializes in ducting, structures.

UK company providing defense support services.

UK company providing naval base support and maritime services.

UK company providing MEMS gyros and inertial sensors for defense applications.

Smiths Detection is a tier 1 supplier based in United Kingdom specializing in explosives detection and cbrn sensors. Established in 1946, headquartered in Watford, United Kingdom.

UK company providing threat detection systems.

UK detection company providing CBRN sensors, trace detection, and security screening.

UK company providing RF connectors, cables, and microwave components for defense.

United Kingdom-based subsidiary, subsidiary of Sonardyne International. Specializes in navigation, tracking, acoustics for defense and military applications.

UK underwater acoustics company providing military sonar, navigation, and communication systems.

Spectra Group provides satellite communications, tactical networks, and interoperability solutions for defense customers.

British company producing tactical communications and networking. Founded in 2002, headquartered in Herefordshire, specializes in slingshot, tactical satcom.

Spirent Communications provides GPS/GNSS simulation, network test, and cybersecurity testing solutions for defense and intelligence agencies. The company's positioning and navigation warfare simulators and network emulators are used to validate military systems resilience against jamming, spoofing, and cyber threats.

United Kingdom-based subsidiary, subsidiary of Spirent Communications. Specializes in gps simulators, pnt, testing for defense and military applications.

Northern Ireland aerostructures facility producing wings and fuselages. Founded in 1989, headquartered in Belfast, United Kingdom, specializes in a220 wings, a320 fuselages.

SSTL is a sme based in United Kingdom specializing in small satellites and imaging systems. Established in 1985, headquartered in Guildford, United Kingdom.

United Kingdom-based subsidiary, subsidiary of Airbus. Specializes in smallsats, dmc, earth observation for defense and military applications.

Supacat is a British company designing and manufacturing high mobility vehicles for defense including the Jackal and Coyote vehicles.

United Kingdom-based company, founded in 1981. Specializes in jackal, coyote, hmt for defense and military applications.

UK company providing high mobility tactical vehicles.

UK company providing survival equipment and life rafts for military.

Survitec Group is a tier 1 supplier based in United Kingdom specializing in life rafts and survival suits. Established in 1920, headquartered in Birkenhead, United Kingdom.

UK company providing survival and protection equipment.

United Kingdom-based subsidiary, subsidiary of CRH plc. Specializes in rapid repair, concrete, runway for defense and military applications.

Portuguese-British company developing UAS platforms for maritime surveillance and defence.

British company producing imaging sensors and RF power devices. Founded in 1947, headquartered in Chelmsford, specializes in ccds, rf tubes.

UK company providing RF power devices and sensors for radar systems.

UK company providing submarine periscopes and optronics.

UK company providing Watchkeeper tactical UAV.

United Kingdom-based company, founded in 1982. Specializes in clipir, microcam, thermal for defense and military applications.

Naval design firm specializing in warship and submarine design. Founded in 2001, headquartered in Bath, specializes in warship designs, submarine architecture.

UK company providing power electronics and sensors for defense systems.

UK company providing turbine coatings and surface treatments.

UK company providing run-flat systems for military vehicles.

UK company providing acoustic sensors for ASW.

British defence and aerospace company acquired by Cobham, specialising in sonar, communications, and sensors.

United Kingdom-based subsidiary, subsidiary of Ultra Electronics. Specializes in power, soldier, c4i for defense and military applications.

UK company providing sonar and underwater systems.

Division of Ultra providing intelligence and communications solutions. Founded in 1993, headquartered in Greenford, United Kingdom, specializes in tactical radios, crypto devices.

UK company providing sonobuoys, sonar systems, and ASW solutions for naval defense.

UK company providing sonobuoys and ASW systems for naval forces.

UK company providing secure mobile communications and encryption for military and government.

British company producing sonar and ASW systems for navies. Founded in 1957, headquartered in Greenford, specializes in hull sonar, towed arrays.

Designer and integrator of military vehicle electronics and systems. Founded in 2004, headquartered in Coventry, specializes in vehicle computers, display systems.

British company providing cargo tracking and energy market analytics. Founded in 2016, headquartered in London, United Kingdom.

UK company manufacturing military dry support bridges and heavy ferry systems.

UK company providing military bridging systems.

United Kingdom-based company, founded in 1969. Specializes in mgb, dry support bridge, bridging for defense and military applications.

UK company providing track and vehicle components.

Wyvern Aerospace is a private company based in United Kingdom specializing in combat drones and ucav. Established in 2015, headquartered in Cardiff.

UK company providing high-security perimeter fencing.

Provider of open source intelligence and geospatial analysis services. Founded in 2015, headquartered in London, specializes in osint services, geospatial analysis.