The 100 largest aerospace and defence companies in England

BAE Systemsbaesystems.com

The company provides advanced technology-led defense, aerospace, and security solutions, with a skilled workforce in over 40 countries, focusing on innovation and long-term commitment

British Armymod.uk

The British Army offers opportunities for personal growth, adventure, training, and camaraderie, with a focus on making a difference and building lifelong bonds

Sercoserco.com

Innovative solutions for global challenges in justice, migration, defense, space, health, and transport through service design, program management, and systems integration

Rolls-Roycerolls-royce.com

Engineering excellence driving critical technologies for air, sea, and land, powering, protecting, and connecting people worldwide.

UK Ministry of Defencegov.uk

The company works to protect the security and interests of the United Kingdom, providing necessary training, equipment, and support for the Armed Forces

Babcock International Groupbabcockinternational.com

An international defence company providing product and service solutions to enhance customers' capabilities and assets, offering opportunities for professionals to grow

Atkinsatkinsrealis.com

World-class engineering services and nuclear organization connecting people, data, and technology to transform global infrastructure and energy systems through design and management.

GKN Aerospacegknaerospace.com

Designs and manufactures advanced aerospace systems and components for commercial and defense aircraft, focusing on sustainability and innovation.

QinetiQqinetiq.com

Integrated global defence and security company focused on mission-led innovation, testing technologies, and enabling customers to deploy enhanced capabilities for protecting lives.

Unipartunipart.com

Global supply chain performance partner designing, making and moving components across automotive, rail, healthcare and technology sectors through data-driven logistics and engineering.

Parker Meggittmeggitt.com

Design, manufacture, and service of aerospace flight control, hydraulic, fuel, thermal, lubrication, pneumatic systems, and components globally.

Smiths Detectionsmithsdetection.com

Global provider of advanced threat detection and screening technologies protecting society from explosives, weapons, contraband, toxic chemicals, and narcotics.

BAE Systems Digital Intelligencebaesystems.com

A global team of over 4,500 experts in digital, cyber, and intelligence, collaborating to collect and analyze complex data for governments and businesses

TT Electronics plcttelectronics.com

Engineering and manufacturing electronics for medical, automation, aerospace, and defense sectors to enhance safety, health, and sustainability globally.

Ricardoricardo.com

Global consulting firm providing strategic, environmental, and engineering solutions focused on transport, energy, and climate for sustainability.

BAE Systems Airbaesystems.com

Global leader in the development, manufacturing, and support of combat and fast jet trainer aircraft, providing solutions across the entire life cycle of the air sector with international collaboration

Ultra Electronics Groupcobhamultra.com

Global defense and security company providing mission-critical solutions in C2ISR, underwater warfare, and intelligent sensors for government and military needs.

Cohort plccohortplc.com

An AIM listed parent company overseeing six businesses in defence and related markets, focusing on adding value while preserving growth potential

AWEawe.co.uk

The company plays a vital role in the UK's defense by providing and maintaining nuclear warheads, as well as offering innovative national security solutions

Cavendish Nuclearcavendishnuclear.com

A leading nuclear services provider with international presence, specializing in innovative solutions across the nuclear energy life cycle

Dstlgov.uk

Leading edge defence research across cyber, quantum, and AI for armed forces protection through collaborations with government, academia, and industrial technology partners.

GKN plc

A company acquired in 2018, split into three separate businesses: GKN Automotive, GKN Powder Metallurgy, and GKN Aerospace

Huntinghuntingplc.com

Global energy services provider to top oil and gas companies, specializing in manufacturing and distributing products for extraction Headquartered in the UK

Royal Marinesroyalnavy.mod.uk

An elite fighting force within the Royal Navy, specializing in rapid response to global threats and security challenges, including ship-to-ship operations

MASSmass.co.uk

A dynamic technology company within the Cohort plc group, specializing in electronic warfare support, cyber security, IT managed services, and data management

Onticontic.com

Global aerospace OEM providing complex engineered parts, repair services, and critical technologies for defense and commercial aircraft worldwide.

Marshallmarshallgroup.com

Specializes in military aircraft maintenance, repair, overhaul, precision manufacturing, and bespoke mission conversions for global defense and aerospace clients.

Raytheon UKraytheon.co.uk

Technology leader in the UK, supplying the Ministry of Defence with innovative solutions, investing in R&D and supporting technological advances

Cobhamcobham.com

A provider of innovative solutions in various industries, specializing in technology, defense, and communication systems, ensuring reliability and performance

Smiths Interconnectsmithsinterconnect.com

Design and manufacture of high-reliability electronic components, microwave, optical, and RF products for aerospace, defense, medical, semiconductor, and industrial markets.

Mitsubishi Electric Europe BVeurope.mitsubishielectric.com

Manufacture and sales of electrical and electronic products and systems for diverse applications, focusing on green technology contributions worldwide.

Teledyne e2vteledyne-e2v.com

Develops advanced technology products, services, and solutions for diverse industries like medical, aerospace, and security, focusing on semiconductors, imaging, and radio frequency.

Defence Infrastructure Organisation (DIO)gov.uk

Expert estate management for defence, supporting military capability through planning, building, maintaining, and servicing infrastructure to enable effective operations for UK forces.

STS Aviation Servicesstsaviationgroup.com

A global provider of aircraft maintenance, engineering, and modification solutions with state-of-the-art hangars, modification facilities, and numerous line maintenance stations worldwide

Doncasters Groupdoncasters.com

Leading international manufacturer of high-precision alloy components for aerospace, industrial gas turbine, automotive, and petrochemical markets with expertise in precision casting and superalloy production

Inmarsatviasat.com

Account closed, follow Viasat company page for satellite communications news due to acquisition. No longer posting here.

Rokeroke.co.uk

Engineering advanced data, communication, AI, and sensor technologies for national security, defense, and commercial clients to solve complex challenges.

Martin-Baker Aircraft Co Ltdmartin-baker.com

Design and manufacture of advanced ejection seats and crashworthy seating systems for military and commercial aircraft worldwide.

Gama Aviationgamaaviation.com

This company offers aviation services to clients in Business Aviation, Commercial Aviation, and Special Mission sectors Visit website or follow on Twitter

Gardner Aerospacegardner-aerospace.com

Manufacturing finished metallic aerospace components with precision machining, sheet metal fabrication, and complex assemblies for global aerospace supply chains.

Janesjanes.com

Equipping defence, government, and industry leaders with objective, accurate, and shareable data and analysis to assess threats, accelerate decisions, and anticipate change.

SPS Technologiespccfasteners.com

Leading multi-national producer of specialty fasteners, assemblies, and precision components for aerospace, automotive, and industrial markets, prioritizing quality, compliance, and safety Committed to workforce development

AirTankerairtanker.co.uk

A leading aviation service provider offering maintenance, flying programs, training, and aircraft upgrades for military and civil operations

AJW Groupajw-group.com

Global provider of aviation component parts, repair, supply-chain solutions, MRO services, asset management, and 24/7 aircraft support worldwide.

UK Hydrographic Officeadmiralty.co.uk

Providing data and expertise for safe, secure, and thriving oceans, supporting safe navigation with maritime solutions trusted by global trade.

Aktrion Groupaktrion.com

The company provides fully managed quality support solutions for the automotive industry, including remarketing centers and optimizing product quality and efficiency

Jet Support Services, Inc. (JSSI)jetsupport.com

Offers hourly cost maintenance programs for business aircraft, covering engines, airframes, and APUs to stabilize budgets and maximize availability.

KBR / Granhernekbr.com

A leading engineering consultancy specializing in the hydrocarbon and energy industries, offering services in development planning, optimization, project assurance, and technology

M&E Globalmneglobal.com

Specializing in project solutions and recruitment services for global military operations, including maintenance of military equipment, aircraft, and non-defence industries worldwide

HORIBA MIRAhoriba-mira.com

Global automotive engineering company providing vehicle development, testing, certification, and technology integration services with advanced facilities and expertise.

Avon Technologies plcavon-technologiesplc.com

A global leader in protective equipment, specializing in innovative design, high-quality materials, and supplying respiratory and head protection worldwide

Trant Engineering Ltdtrant.co.uk

A leading UK engineering company with a diverse portfolio in Energy, Process & Water, Defence, and Nuclear sectors, offering innovative engineering solutions globally

Paralloy Group Limitedparalloy.co.uk

Manufacture stainless steel and nickel alloy components, including centrifugally cast tubes and aerospace parts, serving petrochemical and aerospace industries worldwide.

Sheffield Forgemasterssheffieldforgemasters.com

An integrated supplier of steel castings and forgings, specializing in producing large products for various industries with a focus on quality and innovation

Rheinmetall BAE Systems Land (RBSL)rbsl.com

Designs, manufactures, and supports military vehicles for the British Army and international customers

Surrey Satellite Technology Ltd (SSTL)sstl.co.uk

Specializing in space innovation, this company provides custom mission solutions for Earth observation, communication, and exploration, including in-orbit debris removal and satellite servicing

Systems Engineering & Assessment Ltdsea.co.uk

A global provider of maritime systems and intelligent traffic management solutions, offering research, development, manufacturing, training, and support services

Cosworthcosworth.com

A global technology business redefining mobility solutions through propulsion, electronics, software for automotive, aerospace, marine sectors with focus on hybrid, EV, data connectivity, automation technology

Aspire Defence Services Limitedaspiredefence.co.uk

Delivery and management of military accommodation, facilities, and support services including maintenance, cleaning, catering, transport, and environmental management.

G&H (Gooch & Housego)gandh.com

A world leader in optical design, testing, and manufacturing, specializing in providing optical systems and components for demanding applications

James Fisher and Sons plcjames-fisher.com

A leading provider of specialist services to marine, oil & gas, and high assurance industries worldwide, delivering solutions to technical challenges

TKMS ATLAS UKtkmsgroup.com

Provider of naval and maritime systems, products, and services for government and commercial customers globally, specializing in combat systems and equipment

Astute Groupastutegroup.com

Authorized electronics distribution and supply-chain management with global sourcing, technical support, anti-counterfeit testing, and obsolescence management for aerospace and defense.

ASG Aerospaceasg-group.co

A market leading aerospace & defense component manufacturer with global presence, specialized in machining metals for safety critical markets and surface treatments

Cheltonchelton.com

Specializing in communication and navigation systems for aerospace and defense, offering antennas, anti-jam GPS, and electronic warfare solutions for diverse terrain

Northrop Grumman UKnorthropgrumman.com

Innovative UK-based team developing next-generation security and defence technologies for Royal Navy, RAF, British Army, and UK Government, focusing on national security capabilities

Inzpireinzpire.com

A trusted supplier of defence managed services and cutting-edge mission systems with a team of experienced military aviation professionals

Eutelsat OneWebeutelsat.com

delivers ubiquitous global connectivity using a fleet of GEO and LEO satellites, combining networks for customer solutions.

CAJEROcajero.co.uk

A precision tool manufacturing company specializing in aerospace machining, known for problem-solving, quality work, and global client referrals

Saab UKsaab.com

Provides advanced defence and security technologies focused on protecting people, society, and maintaining safety across Britain.

KNDS UKwfel.com

A global leader in military bridges and defense solutions, specializing in bridge design, vehicle production, maintenance services, and engineering innovations

Open Cosmosopen-cosmos.com

Designs, builds, launches, and operates small satellites, providing data and services via an innovative platform to address global challenges through space.

Mettis Aerospacemettis-aerospace.com

Global designer and manufacturer of forged, machined, and assembled components for aerospace, defense, and other sectors, setting industry standards with innovation for 80 years

The Royal Corps of Signalsarmy.mod.uk

Global provider of IT and communication systems, excelling in cybersecurity and promoting continuous learning Industry-certified professionals ensuring lifelong success

Ultra PCSultra-pcs.com

The company provides engineering solutions for safety and mission critical challenges in military and civil aviation, unmanned vehicles, and soldier equipment

Airwavemotorolasolutions.com

The company specializes in providing safety and security technologies that enable collaboration for proactive approaches in various sectors

2Excel Aviation Ltd2excelaviation.com

A trusted aviation services business providing innovative solutions in diverse sectors, with a skilled workforce exceeding expectations in aerospace services

Dashdash-cae.com

Innovative engineering firm in aerospace, automotive, defense, and motorsport industries, offering end-to-end solutions from concept to prototypes with advanced manufacturing capabilities

Chemring Countermeasureschemring.com

A global aerospace and defense company specializing in manufacturing high-tech countermeasures to protect people, platforms, and information from threats

Filtronicfiltronic.com

Develops and manufactures high-performance RF, microwave, and mmWave technologies for telecommunications, critical communications, aerospace, defense, and space industries.

NIS Ltdnisltd.com

An engineering organization providing bespoke design and manufacturing services to quality-driven clients, aiming to deliver excellence while delighting customers

Harwinharwin.com

This company designs and manufactures high-reliability interconnect devices and PCB hardware, serving demanding sectors like aerospace, defense, automotive, and medical with a global presence.

ALL.SPACEall.space

Provides advanced multi-link mobility terminals for uninterrupted mission-critical wideband connectivity across multiple satellites, ensuring reliable high-speed communication in harsh conditions.

NP Aerospacenpaerospace.com

A global leader in armor technology and vehicle integration, manufacturing products to protect military personnel in high-threat environments Specializing in lightweight, high-performance materials

Horstmanhorstmangroup.com

A global leader in heavy armored vehicle suspension solutions, providing engineering, manufacturing, and project management expertise with sites in the UK, US, and Canada

Nasmythnasmyth.com

Provides precision mechanical and electro-mechanical design, manufacturing, assembly, and product support with flexible, efficient one-stop solutions and advanced technology.

Diploma PLCdiplomaplc.com

A dynamic distribution group providing value-add solutions in Controls, Seals, and Life Sciences sectors internationally to simplify customers' lives

PentenAmiopentenamio.com

Provides advanced digital security solutions for national security and resilience, focusing on complex digital challenges for government and defence markets across civil and military applications.

Satellite Applications Catapultsa.catapult.org.uk

An innovative technology company empowering businesses with space-based solutions, driving growth in the global space market with a dynamic team

Helixehelix.com

A full-service supplier of premium electric powertrains, offering high-performance solutions for electric vehicles, industrial applications, and aerospace through innovative technology and manufacturing

Logiqlogiq.co.uk

UK-based cyber security consultancy and secure managed services provider for defense, government, and critical national infrastructure, ensuring assurance and resilience.

Faltec Europe Ltdfalteceurope.com

A Tier 1 supplier to global automotive manufacturers, specializing in manufacturing trim products, with a focus on continuous growth and investment

AALTOaaltohaps.com

Manufactures and operates solar-powered stratospheric platforms enabling long-duration flights for connectivity and high-resolution Earth observation services.

MTL Advanced Ltdmtladv.com

Well-invested project manufacturing company with a focus on supplying precision components to various sectors using advanced machining and fabrication capabilities

Chess Dynamicschess-dynamics.com

A global leader in providing surveillance, fire control, and special project capabilities for Land and Maritime domains, including counter-sUAV protection systems

Preci-Sparkpreci-spark.co.uk

Leading European contract manufacturer for high technology industries, specializing in manufacturing components, fabrications, and assemblies for Aerospace and Industrial markets with a focus on quality and customer satisfaction

SubSea Craft Limitedsubseacraft.com

A manufacturer of advanced maritime platforms designed for research, commercial, and military use, featuring long surface and subsurface range with high speed capabilities

ETL Systemsetlsystems.com

Designs, manufactures, and supplies RF equipment for satellite communication infrastructure, offering solutions for uplink and downlink chains, instrumentation, and high-power amplifiers.

Monarch Aircraft Engineeringartsaishonduras.com

A leading MRO specializing in cost-efficient aircraft maintenance globally, servicing legacy and new technology fleets including the Boeing 787 Dreamliner

Rowdenrowdentech.com

The company provides advanced technology solutions to individuals dedicated to enhancing global safety and security