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Aerospace Companies in the UK: 1,100+ Active Firms (2026)
Aerospace companies in the UK manufacture aircraft parts, structures and systems within CAA-regulated, export-led supply chains.
Purchasing is shaped less by generic industrial demand than by programme access, qualification status and repeatable production capability. The main buying centres tend to be airframe and structures teams, propulsion groups, avionics and electrical-systems teams, and defence supply-chain buyers where traceability is part of the sale. Customers are typically prime contractors, tiered suppliers, defence integrators and civil aviation programmes, with a bias towards B2B rather than consumer markets. Engagements are rarely one-off component sales: even specialist suppliers usually face sample approval, audit, documentation and ongoing quality assurance before becoming production suppliers.
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Around 1,170 aerospace manufacturing companies are actively trading in the UK, making this a specialist manufacturing cohort rather than a broad industrial category. The reported employment footprint is 5,936 people, which points to a workforce centred on skilled production, inspection and engineering roles. The company base spans small specialist suppliers and mid-market manufacturers, with revenue-generating activity tied to qualification status, repeat orders and access to civil aviation and defence supply chains.
Airworthiness approval and certification evidence shape route-to-market for regulated aviation products. The CAA’s framework covers production-organisation approvals for aircraft, products, parts and appliances, so suppliers making regulated components may need to prove that quality systems, traceability and release processes meet aviation requirements before serial production. International market access also matters. ADS frames UK aerospace as an export-facing sector, and its commentary points to the CAA’s rulemaking and certification role alongside the need for alignment with EASA and the US FAA when products move across civil aviation supply chains.
Future competition appears likely to hinge on qualification depth rather than simple capacity addition. Newer entrants tend to face long approval cycles, while established suppliers can be constrained by audit load, skilled labour availability and the cost of maintaining certified processes. The cohort also appears exposed to consolidation, as primes and tiered suppliers prefer partners that can absorb documentation, inspection and export-control work without adding delivery risk. Growth has been easier for firms embedded in repeat programmes; early-commercial manufacturers may find that credibility, certification readiness and working-capital discipline matter as much as engineering capability.
1,170
Active firms
2026
£30.5 billion
Sector turnover
ADS 2024 outlook
£20 billion
Sector exports
ADS 2024 outlook
Key facts
About 14% of the trading cohort reports turnover above £5M (169 of 1,170 firms) — the rest sits below that revenue band.
15% of the cohort was incorporated since 2022 (184 firms), so a sizeable share is in its first few filing cycles.
Manufacturers of regulated aviation products may need CAA Part 21 Subpart G production-organisation approval for Part 21 aircraft, products, parts and appliances.
ADS highlights alignment with EASA and the US FAA as a practical issue for internationally traded aerospace products.
A US government market guide says 70% of domestic aerospace production is exported.
The US International Trade Administration describes the UK aerospace industry as the second largest in the world behind the United States, while noting that the country does not produce large civil aircraft.
UK aerospace manufacturing is concentrated on engines, helicopters, wings, structures and aircraft systems rather than complete large-aircraft assembly.
Top UK aerospace companies
MB AEROSPACE NEWTON ABBOT LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures precision aero‑engine components, specialising in compressor and turbine airfoils. Uses CNC machining, grinding, welding, brazing and surface treatments to produce parts for commercial…
Serves B2B aerospace, defence, industrial gas turbine and space-sector customers, including aero-engine OEMs and manufacturers needing certified component supply partners.
Financial Health
StableStable · -90% CAGR over 2y
Location
ARROWSMITH ENGINEERING (COVENTRY) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures precision‑engineered aerospace and aero‑engine components using CNC milling, turning, grinding and 5‑axis machining. Produces complex mill‑turned parts and large‑volume batch components,…
Serves aerospace and aero-engine manufacturers and supply-chain customers, including buyers needing development, production, aftermarket and urgent replacement component support.
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 4y
Location
PARADIGM PRECISION BURNLEY LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsManufactures complex aircraft engine components for the aerospace industry. Provides precision machining, metal forming, casting, inspection and special processing, and maintenance, repair and…
Serves B2B aerospace customers, including aircraft engine OEMs, tier-one suppliers and aviation MRO organisations involved in global engine programmes.
Financial Health
StableStable · 0% CAGR over 1y
Location
SAM AEROSPACE (NI) LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides precision CNC machining, fabrication and assembly of complex metal components for the aerospace and advanced engineering sectors. Manufactures aircraft structural, engine and interior parts…
Serves global aerospace OEMs and leading aerospace manufacturers, including supply chain, procurement and operations teams across aircraft structures, engines and interiors programmes.
Financial Health
StableStable · Hiring · 5% CAGR over 2y
Location
KNSI Aviation Engineering Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides aircraft engineering design and production services under EASA and CAA Part‑21 approvals. Designs and certifies aircraft modifications and repairs for structures, avionics and cabin…
Serves B2B aviation customers, including airlines, MROs, aircraft owners and operators needing certified aircraft modification, repair, production and engineering support for Airbus, Boeing and other…
Financial Health
StableStable · Hiring · 25% CAGR over 2y
Location
Megit Group Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns and manufactures aerospace, defence and energy system components, including braking systems, sensors, avionics displays, fire protection, fuel systems, thermal management equipment and engine…
Serves B2B customers in aerospace, defence and energy, including civil and business aircraft manufacturers/operators, military aviation and ground vehicle programmes, naval users, and power…
Financial Health
StrongStrong · Hiring · 26% CAGR over 3y
Location
MIDDLETON SHEET METAL CO LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures complex fabricated metal components for the aerospace industry, specialising in forming and welding high‑temperature alloys such as titanium and Inconel. Produces ducts, exhausts, tanks,…
Serves aerospace OEMs, prime contractors and MRO organisations globally, including buyers responsible for aircraft engine, nacelle, APU and thermal management programmes.
Financial Health
StableStable · Hiring · 9% CAGR over 2y
Location
Magnaghi UK Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures and processes metal components for aerospace and defence applications, including precision machining, chemical milling for weight reduction, electroplating, anodising, painting and…
Serves B2B customers in aerospace and defence, including aerostructures, landing gear, aero engines and avionics programmes, plus medical, automotive and oil and gas sector customers.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 2y
Location
Southdown Aero Services Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides aircraft component manufacturing, maintenance and repair services for the aerospace sector, with CAA/EASA Part 145 maintenance and Part 21G production approvals, plus aircraft-on-ground…
Serves B2B customers in the aerospace sector, including aircraft operators, airlines, maintenance organisations and manufacturers needing certified UK CAA/EASA/EN9100 suppliers.
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
Techtest Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and manufactures aerospace test equipment and search and rescue electronics, including emergency locator transmitters, distress beacons, direction‑finding systems and aviation antennas for…
Sells to B2B and government customers in aerospace, particularly civil and military aviation organisations and search-and-rescue operators needing airborne antennas, emergency locator beacons and…
Financial Health
StableStable · 1% CAGR over 4y
Location
Quickmach Engineering Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures precision‑machined components primarily for the aerospace industry. Provides CNC machining, component production runs, assembly, finishing treatments and non‑destructive testing,…
Targets aerospace OEMs and tier suppliers, along with other industrial engineering clients that buy precision-machined component runs and assemblies to AS9100/NADCAP standards.
Financial Health
StableStable · Profitable · 5% CAGR over 2y
Location
AEROFORMA TECHNOLOGIES (NORTH) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides manufacturing and engineering services for the aerospace industry, including CNC machining, CNC profiling, metal forming, component assembly, pipe manipulation, welding and brazing,…
Serves B2B aerospace industry customers across the UK and mainland Europe, including manufacturers, primes and supply-chain organisations.
Financial Health
WeakWeak · -70% CAGR over 4y
Location
Xcel Aerospace Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures precision aerospace components using 5‑axis CNC and multi‑axis machining, sliding head turning and water‑jet cutting. Provides sheet metal fabrication, Nadcap welding, prototyping,…
Serves aerospace and advanced-sector businesses, including OEMs and tier suppliers seeking manufactured components, assemblies and supply-chain support for critical aerospace programmes.
Financial Health
StrongStrong · Profitable · -2% CAGR over 2y
Location
Piran Composites Ltd.
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures advanced composite components and assemblies, including lightweight structural parts and tooling. Provides in-house engineering, R&D, CNC machining, mould tooling, and volume…
Serves global OEMs and prime businesses in aerospace, space, UAV, defence, automotive, motorsport, medical, renewables, technology and marine sectors, as a Tier 1/2 supplier.
Financial Health
StrongStrong · Hiring · 29% CAGR over 2y
Location
HSM Aero Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsManufactures complex mechanical equipment, machined components and fabricated assemblies for aerospace and defence supply chains. Provides CNC milling and turning, sheet metal fabrication, welding,…
Serves aerospace and defence prime contractors and Tier 1/Tier 2 suppliers, including aviation support customers in the UK, Europe and worldwide requiring certified supply chain partners.
Financial Health
HealthyHealthy · -5% CAGR over 2y
Location
Tritech Precision Products Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures ferrous and non‑ferrous precision investment castings and machined components. Provides CNC machining, surface treatments, assembly, prototyping and engineering support for sectors…
Serves B2B OEMs and tier suppliers in aerospace, defence, space, helicopters, medical imaging, construction, industrial gas turbines and new technology sectors, including global manufacturers and…
Financial Health
HealthyHealthy · -68% CAGR over 4y
Location
PRODUMAX LIMITED
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsManufactures precision‑engineered flight control components for the aerospace industry. Provides production engineering, machining, and advanced manufacturing using high‑precision technologies to…
Serves B2B aerospace and aviation customers, including aircraft manufacturers and tier suppliers requiring precision-engineered flight control components.
Financial Health
StableStable · Hiring · 4% CAGR over 5y
Location
Beagle Aircraft
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides engineering and manufacturing services for the aerospace, aviation, marine and defence sectors, producing metallic and composite components and assemblies. Offers machining, stretch forming,…
Serves B2B customers in aviation, aerospace, marine and defence, including OEMs, component suppliers and maintenance, repair and overhaul organisations needing engineered manufacturing supply.
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
BUOYANCY AEROSPACE V1 LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides supply chain services, metal treatment, and ultra‑precision manufacturing and assembly of components for aerospace, space, and defence programmes, supporting aircraft and defence platforms…
Serves aerospace, space and defence OEMs, prime contractors and programme partners, including aircraft manufacturers and military aviation programmes across Europe.
Financial Health
DistressedDistressed · -6% CAGR over 4y
Location
Bromford Group
Trajectory
3y · 2023–NowManufactures high‑precision machined components for aerospace and power generation industries, specialising in gas turbine ring components and complex structures. Provides turning, milling, mill‑turn…
Serves B2B customers in the aerospace and power generation sectors, including advanced engineering companies and supply chains needing high-precision fabricated and machined components.
Financial Health
Insufficient historyInsufficient history · 1% CAGR over 1y
Location
M.T.I. (1998) LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsManufactures aluminium components for aerospace and defence applications, specialising in aluminium salt bath dip brazing and CNC machining. Produces electronic enclosures, chassis, air and…
Serves B2B customers in the aerospace and defence sectors, including organisations running major programmes that require specialist aluminium components, electronic enclosures, chassis, cold plates…
Financial Health
StableStable · -6% CAGR over 4y
Location
J.J.CHURCHILL LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides precision engineering and manufacturing of gas‑turbine blades and complex components. Offers new product development, volume production and spare parts manufacturing for aerospace, power…
Serves B2B customers in aerospace, power generation and med-tech, including OEMs and Tier 1 supply chains requiring precision-engineered components, new product development, volume manufacture and…
Financial Health
WeakWeak · Hiring · 10% CAGR over 2y
Location
Inflite Engineering
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides precision engineering and manufacturing services for the aerospace and defence sectors, including CNC milling and turning, sheet metal fabrication, welding and brazing, heat treatment,…
Sells to aerospace and defence businesses, including major aviation manufacturers and primes needing precision engineering, fabrication, assembly, surface treatment, and AOG or line-stopper support.
Financial Health
WeakWeak · -3% CAGR over 2y
Location
CES ADVANCED COMPOSITES UK LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, develops and manufactures advanced composite components and assemblies for aerospace and defence applications, including cabin interior parts, aerostructures, UAV and satellite structures,…
Serves aerospace, defence and space-sector organisations, including aircraft cabin and aerostructure manufacturers, UAV developers, satellite programmes and defence contractors.
Financial Health
StableStable · Hiring · 35% CAGR over 4y
Location
MB AEROSPACE LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures precision‑engineered components and assemblies for aerospace and defence applications, including machining, fabrication, assembly and testing of aircraft engine and structural parts…
Serves B2B customers in the aerospace and defence sectors, particularly aircraft engine and systems OEMs, Tier 1 and Tier 2 suppliers, and global manufacturing supply chains.
Financial Health
StableStable · -90% CAGR over 2y
Location
Quickmach Holdings Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures precision‑machined components primarily for the aerospace sector. Provides CNC machining, component manufacturing, assembly, finishing treatments and non‑destructive testing, producing…
Serves B2B aerospace manufacturers and other industrial clients requiring precision-engineered component supply, including organisations with AS9100 and NADCAP quality requirements.
Financial Health
HealthyHealthy · Profitable · 4% CAGR over 2y
Location
Air Industries Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures precision components and assemblies for aerospace and defense applications, including landing gear, flight controls, engine mounts, arresting gear and turbine engine parts, using complex…
Serves aerospace and defence customers, including the U.S. Department of Defense, military aircraft programmes, and commercial aircraft manufacturers such as Airbus and Boeing.
Financial Health
StableStable · 0% CAGR over 4y
Location
CHESTER HALL PRECISION ENGINEERING LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsManufactures precision‑machined components, assemblies and sub‑assemblies for the aerospace sector using multi‑axis CNC machining. Works with aerospace alloys and exotic materials and provides design…
Serves tier 1 and tier 2 aerospace companies, aircraft systems suppliers and procurement or engineering teams managing aerostructures and critical component programmes, with some work for other…
Financial Health
HealthyHealthy · 7% CAGR over 1y
Location
RHH Franks Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsManufactures precision engineered components and assemblies for aerospace and related industries. Provides CNC machining, dip brazing, sheet metal fabrication, heat treatment, chemical processing,…
Serves B2B organisations in aerospace, nuclear, defence and marine supply chains, from engineering teams needing prototypes to buyers sourcing batch-manufactured components and assemblies.
Financial Health
StableStable · 5% CAGR over 1y
Location
AERO SERVICES.GLOBAL LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides CNC machining, precision engineering, and tooling for aerospace and other safety‑critical industries. Manufactures metal components and assemblies, offers metrology, surface treatment, and…
Sells to aerospace and defence OEMs, risk-sharing partners and supply-chain manufacturers, plus organisations in nuclear, scientific and other safety-critical sectors needing approved precision…
Financial Health
StrongStrong · Hiring · 25% CAGR over 5y
Location
NICHOLLS ENGINEERING SYSTEMS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides CNC precision manufacturing services including turning, milling, CAD/CAM design, rapid prototyping and component assembly. Produces complex machined parts for aerospace, space and rail…
Serves B2B customers in the aircraft, spacecraft, defence and rail industries, including engineering and procurement teams seeking AS9100-compliant manufacturing partners.
Financial Health
StableStable · -2% CAGR over 3y
Location
MJ SECTIONS LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsManufactures precision formed sheet metal fabrications, rolled rings, welded sections and machined components. Provides pressing, hot forming, heat treatment, brazing, machining and inspection…
Serves aerospace manufacturers and tier suppliers in the UK and worldwide, with additional B2B customers in defence, rail, power, motorsport, nuclear and oil sectors.
Financial Health
StableStable · Profitable, Hiring · 15% CAGR over 1y
Location
N.F.F. PRECISION LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides precision engineering services including machining, welding, fabrication, assembly, inspection, non-destructive testing and painting, producing components and assemblies for aerospace and…
Serves B2B customers in the aerospace and defence sectors, including major prime contractors and related supply-chain organisations, with customers across the UK and worldwide.
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 2y
Location
North West Precision Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsManufactures bespoke precision‑engineered components for the aerospace sector, using CNC and other advanced machining equipment. Provides production of high‑grade metal parts with controlled…
Serves aerospace manufacturers and supply-chain businesses requiring bespoke precision-engineered parts, typically procurement, engineering and production teams needing high-grade components.
Financial Health
StrongStrong · -4% CAGR over 1y
Location
Percival Aviation Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns, manufactures, certifies and maintains aircraft interior components and equipment for commercial and specialist aircraft. Products include cabin fittings, lavatory and door components, seat…
Serves airlines, aircraft operators and aviation organisations needing certified aircraft interior components and cabin refurbishment support, including commercial aircraft and specialist helicopter…
Financial Health
StableStable · 2% CAGR over 4y
Location
C. W. FLETCHER & SONS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides precision engineering and manufacturing services, producing complex machined fabrications and components for the aerospace, nuclear power, and space sectors. Uses advanced machining and…
Serves B2B customers and supply-chain buyers in aerospace, nuclear power and space exploration, including engineering and procurement teams on complex, safety-critical projects.
Financial Health
StableStable · Profitable · -6% CAGR over 4y
Location
Hyde Aero Products
Trajectory
3y · 2022–NowProvides engineering design and manufacturing services for aerospace and other regulated industries, including component manufacture, finishing and assembly, tooling design, special‑purpose test…
Serves OEMs and tier-one suppliers in highly regulated B2B sectors, including aerospace, defence and space, nuclear, transport, scientific, energy, mining and excavation, plus urgent aircraft support…
Financial Health
Insufficient historyInsufficient history
Location
James White Engineering Group Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures fine limit sheet metal components for aerospace and defence applications. Provides prototyping, fabrication and welding services using materials including aluminium, copper and steels,…
Sells to aerospace and defence manufacturers and Tier 1 suppliers, including military and commercial aircraft programmes, with additional customers in automotive, maritime and rail sectors.
Financial Health
StrongStrong · -1% CAGR over 4y
Location
SL Engineering Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides in-house manufacture of rigid tube and pipe assemblies, tubular manifolds, metallic hose assemblies, fabricated ducting and CNC precision machined components, with services including tube…
Serves B2B customers in high-specification engineering sectors, including civil and military aerospace, power generation, marine defence, space, medical, rail, transportation and motorsport.
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 4y
Location
KIGASS AERO COMPONENTS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManufactures precision‑machined components and assemblies for aerospace, autosport, and industrial applications. Supplies parts for aircraft systems, ground‑based gas turbine engines, energy…
Serves B2B customers in aerospace, autosport, industrial power, energy and oil and gas sectors, including military and civil aviation organisations, gas turbine operators, energy installations and…
Financial Health
StableStable · -4% CAGR over 4y
Location
LAURENCE WALTER LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides engineering, design, development and manufacturing services for civil and defence aerospace. Performs maintenance, repair and overhaul of aircraft safety equipment and supplies approved…
Serves B2B customers in civil and defence aerospace, including airlines worldwide, aircraft operators, equipment OEMs, and organisations needing aerospace engineering and through-life support.
Financial Health
WeakWeak
Location
OLSEN ACTUATION UK LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and supplies electro‑mechanical actuation systems and motion control components, including linear and rotary electric actuators, roller screws, drives, motors and encoders. Provides custom…
Serves B2B OEMs and engineering teams in aerospace, space, eVTOL, defence, marine, subsea and automotive sectors, especially organisations developing demanding motion-control applications.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
Copas Technologies Ltd.
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures precision engineered metal components for aerospace, defence and space sectors. Operates automated machining and hard‑metal manufacturing cells, supplying parts and engineering support…
Serves B2B manufacturers and supply-chain teams in the aerospace, defence and space sectors, including organisations needing precision engineering partners for critical components.
Financial Health
StrongStrong · -6% CAGR over 2y
Location
MJ SECTIONS AEROSPACE GROUP LIMITED
Trajectory
3y · 2023–NowManufactures precision formed sheet metal components, rolled rings and welded assemblies. Provides pressing, hot forming, CNC machining, EDM and laser cutting, heat treatment, brazing and inspection…
Serves aerospace and defence manufacturers and tier suppliers in the UK and worldwide, with additional B2B customers in rail, power, motorsport, nuclear and oil sectors.
Financial Health
Insufficient historyInsufficient history
Location
Impcross Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides precision CNC machining and engineering services, manufacturing complex prismatic and rotating components for aerospace, defence and civil applications. Offers assembly, prototyping,…
Serves international aerospace, defence and civil-sector manufacturers and MRO organisations needing complex machined and assembled components, prototypes, legacy parts, and batch or volume…
Financial Health
DistressedDistressed · -8% CAGR over 4y
Location
B-tech Engineering Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides precision engineering and CNC machining services, including 5-axis and multi-axis milling and turning, finishing, inspection and assembly. Produces machined components from metals and…
Sells to B2B customers needing precision-machined components, especially aerospace and aviation firms, including buyers requiring AS9100-compliant engineering. Also serves high-performance…
Financial Health
StableStable · Hiring · 9% CAGR over 3y
Location
REDMAYNE ENGINEERING LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides precision engineering and CNC machining for aerospace, oil and marine sectors, including multi‑axis turning and milling, electron beam welding, non‑destructive testing, gun drilling, thread…
Serves aerospace, defence, oil and marine manufacturers and prime contractors, including helicopter, power systems and defence organisations, plus MOD/public-sector buyers needing approved…
Financial Health
StrongStrong · Profitable, Growing · 3% CAGR over 2y
Location
McBraida Plc
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManufactures precision‑machined components for high‑technology industries using CNC turning, milling, EDM and grinding. Provides design for manufacturing support and rapid production of complex parts…
Serves B2B customers in high-technology, quality-critical industries, including aerospace supply chains and other manufacturers requiring AS/EN 9100 and NADCAP-approved suppliers.
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 2y
Location
Trident Engineering Solutions Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides precision engineering and machining services, manufacturing aerostructures and aerospace components, small-batch parts, and tooling. Also offers metrology, research and development, legacy…
Serves B2B customers in aerospace, aviation, manufacturing, engineering, automotive and marine sectors, including factories needing production support, R&D, maintenance, metrology, tooling and legacy…
Financial Health
StableStable · -5% CAGR over 3y
Location
AGC Aerospace Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsActs as an intermediate holding company for a group that manufactures complex composite structures, sheet metal components and machined assemblies, and provides engineering and design services for…
Serves B2B aerospace OEMs, original design manufacturers, defence contractors, and commercial and military aviation programmes, with customers in global markets.
Financial Health
WeakWeak · -4% CAGR over 4y
Location
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How UK aerospace companies work and how to sell to them
What they do
Revenue usually comes from programme-linked manufacture rather than catalogue sales. Firms may charge for non-recurring engineering, tooling and test work before moving into unit-priced production, with spares, repairable items and obsolescence support adding income once equipment is in service. Defence work can include milestone billing or cost-plus elements, while civil aviation supply is more often governed by framework agreements, quality plans and agreed delivery schedules. Gross margin depends on yield, inspection burden, materials availability and the ability to recover engineering change costs when drawings or certification evidence move.
Who they sell to
Most buyers are technical and commercial groups inside prime contractors, tiered manufacturers, defence integrators and civil aviation programmes. Early conversations may start with engineering, but supplier quality, programme management, export-control, procurement and finance teams usually shape whether a supplier is accepted. Contract values vary with production stage: prototype and qualification work can be modest, while serial supply can become a multi-year account if the part remains on programme. Sales cycles are typically long because sampling, audits, material traceability and commercial terms sit between an initial capability discussion and a purchase order. RFPs, approved-supplier lists and direct account selling all matter.
What they buy
Most aerospace manufacturers tend to spend on systems that protect traceability, delivery confidence and audit readiness. Relevant software categories include ERP, MRP, quality management, document control, production scheduling, PLM, CAD/CAM, supplier portals, cybersecurity, backup and identity management. Operational spend often runs into metrology equipment, calibration, non-destructive testing, tooling, materials planning, facilities maintenance and specialist logistics. Services sellers may find demand for certification support, export-control advice, technical documentation, accountancy, R&D tax support, recruitment and interim quality management. The better fit is usually a supplier that can work around controlled drawings, revision histories and customer audit trails rather than a generic manufacturer workflow.
Why and how to sell to them
Aerospace buyers tend to evaluate vendors when qualification workload increases: a new programme award, a CAA-related production approval, an upcoming customer audit, a move from prototype build to repeat manufacture, or a backlog that exposes inspection and planning bottlenecks. Outbound messages usually need to attach to risk reduction rather than general efficiency. Useful angles include fewer escapes, faster certificate packs, lower rework, clearer supplier evidence and better visibility of late materials. The 169 firms above £5M turnover are more likely to have formal procurement and budget owners; the 184 incorporated since 2022 may respond more to certification readiness and first-customer credibility.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
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Frequently asked questions
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Which are the largest aerospace companies in the UK?↓
What do aerospace companies in the UK actually do?↓
How does UK aerospace compare internationally?↓
How is this list built and how fresh is the data?↓
How big are the typical aerospace companies in the UK?↓
Are these mostly new or established aerospace companies?↓
What SIC codes does this use?↓
What buying signals should I look for?↓
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