These English companies are primarily involved in the Aviation and Aerospace Component Manufacturing sector, with a focus on advanced engineering and specialized components. The companies range from well-established firms to younger entities, indicating a mix of heritage and more recent development in the industry. Many of these companies have substantial workforces, reflecting their scale of operations.
Key players include GKN Aerospace, which designs and manufactures advanced aerospace systems, and Parker Meggitt, specializing in aerospace flight control and hydraulic systems. BAE Systems Air focuses on combat and fast jet trainer aircraft, while Ontic provides complex engineered parts and repair services. Doncasters Group manufactures high-precision alloy components, and Martin-Baker Aircraft Co Ltd designs ejection seats.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
GKN Aerospacegknaerospace.com
Designs and manufactures advanced aerospace systems and components for commercial and defense aircraft, focusing on sustainability and innovation. |
8,600 | |||
| 2 |
Parker Meggittmeggitt.com
Design, manufacture, and service of aerospace flight control, hydraulic, fuel, thermal, lubrication, pneumatic systems, and components globally. |
4,716 | |||
| 3 |
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 |
2,736 | |||
| 4 | 1,292 | ||||
| 5 |
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 |
959 | |||
| 6 |
Martin-Baker Aircraft Co Ltdmartin-baker.com
Design and manufacture of advanced ejection seats and crashworthy seating systems for military and commercial aircraft worldwide. |
819 | |||
| 7 |
Gardner Aerospacegardner-aerospace.com
Manufacturing finished metallic aerospace components with precision machining, sheet metal fabrication, and complex assemblies for global aerospace supply chains. |
777 | |||
| 8 |
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 |
702 | |||
| 9 |
CDGwebcraft.com
CDG offers technical documentation services, operating manuals, maintenance manuals, and e-learning services to help reduce training costs for businesses |
483 | |||
| 10 |
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 |
453 | |||
| 11 |
Darchem Engineeringdarchem.com
A global engineering company specializing in high temperature solutions, offering products in stainless steel, titanium, and thermal insulation for various industries |
421 | |||
| 12 |
Dowty, a GE Aerospace companydowty.com
A world-leading manufacturer of integrated propeller systems for commercial and military aircraft, seaplanes, and marine hovercraft, offering advanced solutions and global support |
390 | |||
| 13 |
Ipeco Holdings Limitedipeco.com
A global leader in aircraft crew seating, executive jet passenger seating, and electrical galley inserts, known for integrity, quality, and flexibility |
389 | |||
| 14 |
Thomas Cook Airlines Limitedthomascookairlines.com
A UK-based airline within the Thomas Cook Group Airlines, offering leisure flights to various destinations with a focus on quality service and flexibility |
388 | |||
| 15 |
Regional & City Airports (RCA)rca.aero
Leading regional airport operator connecting British communities through five airports Committed to net zero aviation and sustainable economic future Employing 7,000+ nationwide |
380 | |||
| 16 |
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 |
361 | |||
| 17 |
Cheltonchelton.com
Specializing in communication and navigation systems for aerospace and defense, offering antennas, anti-jam GPS, and electronic warfare solutions for diverse terrain |
353 | |||
| 18 |
Storm Aviationstormaviation.com
International aviation maintenance and training provider with 24-hour AOG support, offering custom services, including base support, workshop facilities, and aircraft modification programs |
334 | |||
| 19 |
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 |
274 | |||
| 20 |
AmSafe Bridportamsafebridport.com
Specializing in designing and manufacturing engineered textile solutions for aerospace and defense markets, including cargo handling systems, airframe restraints, and RPG protection for armored vehicles |
252 | |||
| 21 |
Nasmythnasmyth.com
Provides precision mechanical and electro-mechanical design, manufacturing, assembly, and product support with flexible, efficient one-stop solutions and advanced technology. |
207 | |||
| 22 |
Dunlop Aircraft Tyresdunlopaircrafttyres.co.uk
Manufacturing and retreading high-quality aircraft tyres with a focus on detail, innovation, and world-class service from global facilities. |
203 | |||
| 23 |
AETC Ltdpccairfoils.com
UK-based manufacturer specializing in gaspath components for aerospace and industrial gas turbine industries, with facilities in Leeds and Leicester, England |
197 | |||
| 24 |
Callen-Lenzcallenlenz.com
A leading UK SME specializing in advanced technological solutions for crewed and uncrewed aviation, including aircraft design, prototyping, upgrades, software, and avionics |
196 | |||
| 25 |
AALTOaaltohaps.com
Manufactures and operates solar-powered stratospheric platforms enabling long-duration flights for connectivity and high-resolution Earth observation services. |
190 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 |
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 |
186 | |||
| 27 |
Meggitt Avionicsmeggitt-avionics.co.uk
With roots dating back to 1852, the company pioneers intelligent air data systems and compact flight deck instruments for pilots |
179 | |||
| 28 |
Cobham Aviation Services
Specializing in helicopter services for government and military customers, providing innovative contracting models, capability delivery, training, maintenance, and global operational support |
176 | |||
| 29 |
Senior Aerospace BWTsenioraerospacebwt.co.uk
Global leader in designing and manufacturing ultra-lightweight low pressure air distribution ducting systems for the aerospace industry, focused on reducing cost and weight |
174 | |||
| 30 |
Lufthansa Technik Landing Gear Services UKlufthansa-technik.com
A London-based company specializing in landing gear repair and overhaul for modern Boeing fleet with worldwide customer base and 24/7 AOG support |
170 | |||
| 31 |
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 |
168 | |||
| 32 |
McLarens Aviationmclarens.com
A global provider of claims, risk management, liability, and legal services to the aviation industry, handling over 3,500 assignments annually |
167 | |||
| 33 |
Clarendon Specialty Fastenersclarendonsf.com
Distributor and manufacturer of premium aerospace and motorsport fasteners, offering technical support, kitting, inspection, and global stocking services. |
164 | |||
| 34 |
All Metal Services Ltdallmetal.co.uk
A global leader with 50 years experience supplying aerospace and defense materials such as Aluminium, Steel, and Titanium to major OEMs |
162 | |||
| 35 |
Stirling Dynamicsstirling-dynamics.com
An advanced engineering company providing high-end products and services globally, specializing in aerospace and marine platforms with a focus on customer satisfaction |
147 | |||
| 36 |
Flight Refuelling Ltdcobham.com
Design and manufacture aerospace and defense components, subsystems, and services enhancing safety, communication, and platform capabilities worldwide. |
147 | |||
| 37 |
ADDEV Materials Aerospaceaddevmaterials.com
Specializes in advanced materials and converting services, providing customized solutions to enhance industrial and supply chain performance globally. |
143 | |||
| 38 |
Jaivel Aerospacejaivel.aero
A manufacturing technology organization specializing in improving advanced manufacturing programs through innovative processes, tooling, and full product manufacturing services for aerospace clients worldwide |
134 | |||
| 39 |
Inflite Engineering Services Limitedinflite-engineering.co.uk
Aerospace supplier offering design, machining, fabrication, component repair, electrical loom manufacture, and surface treatment services Also operates as an Embraer Authorized Service Centre |
134 | |||
| 40 |
Dronamicsdronamics.com
Revolutionary fixed-wing cargo UAV enables affordable, long-distance transport, opening new trade routes and revolutionizing air cargo industry |
112 | |||
| 41 |
Sigmasigma-aero.group
Manufactures rigid pipes, ducts, specialist fasteners, and machined details for civil and military aerospace OEMs, providing rapid product introduction and lifecycle support. |
106 | |||
| 42 |
Prismatic Ltd.prismaticltd.co.uk
Specializing in prototype development of innovative aerospace systems to create new business lines within BAES Air Systems, starting with solar powered HALE UAV PHASA-35 |
103 | |||
| 43 |
Senior Aerospace Westonzenixaerospace.com
A leading supplier of precision machined components and sub-assemblies for OEMs in the commercial aviation market, focusing on excellence and customer satisfaction |
101 | |||
| 44 |
SILVER ATENAsilver-atena.com
A leading international organization providing electronic engineering solutions to high integrity and safety critical markets like Aerospace, Automotive, Defence, and Rail |
99 | |||
| 45 |
Chevron Technical Services & Aircraft Maintenance trading as Storm Aviationchevron.org.uk
Provider of aviation services and solutions worldwide, part of a leading aerospace services group with over 100 offices and 10,000 professionals |
98 | |||
| 46 | 98 | ||||
| 47 |
APOLLO AEROSPACE COMPONENTSapollo-aerospace.com
Supplies aerospace hardware and electrical connectors while providing global supply chain management and technical support services to defense and aviation industries worldwide. |
94 | |||
| 48 |
ICOMATicomat.co.uk
Manufacturing advanced composite structures using proprietary fiber-steering technology for lightweight, high-performance aerospace and automotive components at scale. |
84 | |||
| 49 |
Aerospace Technology Instituteati.org.uk
Independent organization coordinating government and industry investment to establish technology strategies and develop research portfolios for transforming the United Kingdom aerospace sector. |
83 | |||
| 50 | 82 | ||||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 15, 2026.
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