Best Aerospace, Maritime and Defense Companies in England, United Kingdom
The 236 best Aerospace, Maritime and Defense companies in England, United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: BAE Systems.
Our analysis of 50 Aerospace, Maritime and Defense companies
$6.7b in tracked funding; 89% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Aerospace, Maritime and Defense companies in England
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | BAE Systems Manufacturer of aerospace and submarine security systems | $3.5B | 9 mo ago | 201 | 1999 | Tom Arseneault President & Chief Executive Officer | 10,426 patents Advanced optical imaging, naval weaponry, and onboard electronic systems for defense. | 1 partnership · 1 award |
| 2 | QinetiQ Provider of defence technology testing training and mission support services | $300M | 63 mo ago | 5,218 5,218 → 5,539 (+6%) | 2001 | — | 3,130 patents Advanced defense materials, vehicle mobility systems, and electromagnetic component technologies. | 1 expansion |
| 3 | AJW Group Provider of aircraft maintenance, repair, and overhaul services 48Partners top 15%Tech top 24%Product top 30%Innovation top 36% All 10 signals ▾Partnerstop 15% Techtop 24% Producttop 30% Innovationtop 36% Talenttop 39% Newstop 40% Growthtop 45% Fundingtop 49% Globalbottom 43% Marketbottom 23% Partners: 6 contract events in 12 mo · Named contractor/client in 6 deals Tech: 54 technologies across 6/8 capability areas · Cloud: Amazon S3, Amazon Web Services rank vs industry peers · Fliar Intelligence Index 48/100 | $27M | 135 mo ago | 1 | 2002 | Clyde Buntrock Chief Executive Officer | — | 1 job opening |
| 4 | Cranfield Aerospace Developer of hydrogen-electric propulsion systems for aviation and aircraft modification | $19M | 46 mo ago | 83 83 → 49 (-41%) | 1989 | Paul Hutton CEO | 14 patents UAV autonomous control systems and high‑performance vehicle driver cueing simulation technology | — |
| 5 | Red7Marine Offers marine construction and consultation services | $15M | 84 mo ago | 87 | 1999 | Nick Offord CEO | — | — |
| 6 | Aeralis Designer and manufacturer of modular light jet aircraft system to deliver flexible, affordable, and on-demand… | $15M | 56 mo ago | 24 | 2016 | Tristan Crawford Founder & Chief Executive Officer | 18 patents Modular aircraft wing structures and support systems for configurable airframes | — |
| 7 | Cox Powertrain Provider of ship engine manufacturing services | $13M | 63 mo ago | 150 | 2007 | Tim Routsis CEO | 205 patents Patents concentrated in mechanical & energy engineering | 1 job opening · 1 partnership |
| 8 | BMT Provider of maritime design, engineering, and consulting services | $11M | 108 mo ago | 2,280 | 1985 | — | 24 patents Modular cassette systems for waterborne vessels and marine display technologies. | — |
| 9 | Rad Propulsion Manufacturer & designer of boats | $7M | 24 mo ago | 5 | 2018 | Richard Daltry Co-Founder | — | 1 launch |
| 10 | Unum Manufacturer and supplier of airline seats | $5M | 17 mo ago | 7 | 2020 | — | — | 2 launchs |
| 11 | BSSL Provider of satellites for space research and technology services | $2M | 25 mo ago | 17 | 2014 | Giovanna Tinetti Co-Founder | — | 1 partnership |
| 12 | AIE Advanced engineering development, design, and manufacturing company specializing in rotary engines for… | $2M | 94 mo ago | — | 2012 | — | — | — |
| 13 | Marine Rescue Technologies Manufactures and supplies commercial man overboard safety systems to vessels and other marine facilities | $1M | 76 mo ago | 28 | 2001 | Ryan Pettit Chief Executive Officer | 5 patents Ship rescue equipment and emergency life‑saving devices | 4 partnerships |
| 14 | Quaestus Yachts Manufacturer of ship & yachts | $1M | 54 mo ago | 2 | 1999 | — | — | — |
| 15 | Feritech Manufacturer of marine seabed geotechnical survey equipment | $1M | 46 mo ago | 12 12 → 20 (+67%) | 2012 | Robert Ferris Managing Director | — | — |
| 16 | Artemis Optical Provides optical film coatings for defense industry | $1M | 117 mo ago | 40 | 2008 | Charlie Peppiatt CEO | — | — |
| 17 | Helipaddy Provider of digital databases for identifying off airfield landing sites | $1M | 59 mo ago | — | 2013 | Sarah Chenevix-Trench Co-Founder | — | — |
| 18 | Ultra Provider of application-engineered bespoke solutions and intelligent systems for defense | $791K | 99 mo ago | 1,941 | 1920 | — | 5 patents Autonomous vehicle guidance and control systems for personal rapid transport | — |
| 19 | STL Provider of diving systems, diving bell launch & recovery systems, and hyperbaric lifeboats | $626K | 79 mo ago | — | 2012 | — | — | — |
| 20 | AE Aerospace Manufacturer of low to medium volume prototype components for aerospace sector | $566K | 60 mo ago | 67 | 1996 | Peter Bruch Managing Director | 235 patents Aircraft interior hardware and galley systems, including cooling, trolleys, doors, and electronics. | — |
| 21 | Chartwell Marine Manufacturer of marine products | $391K | 41 mo ago | 6 | 2017 | — | — | 1 job opening · 2 partnerships |
| 22 | R53 Engineering Provider of armored vehicles | $341K | 29 mo ago | 8 | 2008 | Roger Estrada Founder & Managing Director | 6 patents Vehicle seat length adjustment mechanisms for automotive seating systems | — |
| 23 | Aerogility Developer of AI-powered digital twin software for aviation and defense | $250K | 142 mo ago | — | 2009 | Malcolm Bridgeford Co-Founder & CEO | — | — |
| 24 | Ring Powercraft Manufacturer of power-craft sports boats and RHIBs | $250K | 71 mo ago | 4 | 1968 | Mike Ring Founder | — | — |
| 25 | Makai Manufacturer of ship and yachts | $186K | 36 mo ago | 3 | 2019 | — | — | — |
| 26 | Arquebus Solutions Provider of software and forensic services for small arms control | $147K | 56 mo ago | — | 2012 | James Hopper CEO | — | — |
Top 12 Aerospace, Maritime and Defense companies in England
#1
Public · London, England · founded 1999 · 201 employees$3.5Braised▾
Manufacturer of aerospace and submarine security systems. It provides provide some of the technology-led defence, aerospace, and security solutions and employ a skilled workforce. In 2022, the company recorded annual revenues of $26.18B and a net profit of $1.96B.
- Sep 2025Grant (prize money)$2.9M
- Sep 2025Post IPO$1.6M
- Jun 2025Grant (prize money)$5M
- May 2025Grant (prize money)$45.3M
#2
Series A · Weybridge, England · founded 2020 · 7 employees$4.9Mraised▾
Manufacturer and supplier of airline seats
- Jan 2025Series A—
- Jul 2024Series A$4.5M
- Jan 2024Series A—
- Feb 2023Seed$365K
#3
Public · Farnborough, England · founded 2001 · 5218 employees$300Mraised▾
Provider of defence technology testing training and mission support services. Operations include the management of facilities for evaluating weapons systems and personnel readiness. Technical activities encompass research and development in robotics autonomous systems and cyber security. Engineering services support the lifecycle of capability development from design to integration and sustainment. Data analytics and intelligence capabilities assist in operational decision making and performance enhancement.
- Feb 2021Grant (prize money)$102.4K
- Jan 2021Grant (prize money)$36.8K
- Mar 2020Grant (prize money)$94.4K
- Mar 2019Grant (prize money)$96.1K
#4
Series A · Fareham, England · founded 2018 · 5 employees$6.7Mraised▾
Manufacturer & designer of boats
- Jun 2024Series A$5.5M
- Feb 2024Seed$1.3M
#5
Seed · London, England · founded 2014 · 17 employees$2.5Mraised▾
Blue Skies Space is a company that collaborates with satellite manufacturers to create high-quality satellites using proven technologies, with a focus on space research and technology. They offer a subscription model for space-science services to help scientists address fundamental questions.
- Apr 2024Seed$2.5M
- Nov 2022Grant (prize money)$224.8K
- Feb 2020Grant (prize money)$141.7K
#6
Early Stage · Bedford, England · founded 1989 · 83 employees$18.7Mraised▾
Developer of hydrogen-electric propulsion systems for aviation and aircraft modification. It designs and certifies modifications to aircraft and delivers engineering solutions. The company focuses on developing scalable hydrogen-electric propulsion for clean aviation, targeting zero-emission commercial aircraft. It offers design, production, and maintenance regulatory approvals. The company collaborates with partners to address the challenges of using gaseous hydrogen as an aviation fuel, with a focus on the airport environment and the refueling process.
- Aug 2022Unattributed$4.8M
- Mar 2022Unattributed$13.9M
#7
Series A · Bristol, England · founded 2016 · 24 employees$15.1Mraised▾
Designer and manufacturer of modular light jet aircraft system to deliver flexible, affordable, and on-demand defence capability. It system creates a range of optimised configurations for established tactical and training roles, each one formed around the same Common Core Fuselage and Intelligent Integration of digital systems and avionics.
- Oct 2021Series A$14.3M
- Oct 2018Seed$850.3K
#8
Series B · Shoreham by Sea, England · founded 2007 · 150 employees$12.7Mraised▾
Provider of ship engine manufacturing services
#9
Seed · Warwick, England · founded 2008 · 8 employees$341.2Kraised▾
Provider of armored vehicles
- Dec 2023Seed$341.2K
#10
Series B · Horsham, England · founded 2002 · 1 employees$26.8Mraised▾
Provider of aircraft maintenance, repair, and overhaul services. It includes parts supply, engine services, interior refurbishment, and component MRO. It offers a range of solutions, from individual component repairs to complete aircraft remarketing and asset management. Services also encompass supply chain management and logistical support, aiming to optimize turnaround times and costs for clients. A dedicated AOG (aircraft on ground) service provides 24/7 critical response.
#11
Funding Raised · Teddington, England · founded 1985 · 2280 employees$10.9Mraised▾
Provider of maritime design, engineering, and consulting services. It offers solutions across various sectors, including defense, energy, and commercial shipping. Services encompass asset monitoring, environmental solutions, and digital transformation. The firm provides consultancy and surveys for the maritime industry, supporting shipyards, government agencies, and local governments. Its expertise extends to naval architecture, systems engineering, and infrastructure asset management.
- Jun 2017Grant (prize money)$1.6M
- Jan 2017Grant (prize money)$1.3M
- Sep 2016Grant (prize money)$2.1M
- Jun 2015Grant (prize money)$1.7M
#12
Acquired · Ipswich, England · founded 1999 · 87 employees$15.4Mraised▾
Offers marine construction and consultation services
- 2019Conventional Debt$15.4M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Aerospace, Maritime and Defense coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Defense Technology is moving in the United Kingdom
A read on the academic research around Defense Technology — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 65 United Kingdom-affiliated papers.
- Pre School Learning Alliance7
- Ministry of Defence5
- BAE Systems4
- Defence Science and Technology Laboratory3
- Heriot-Watt University2
- Radar3→4
- Electronic warfare8
- Radar6
- Missile6
- Missile defense3
- Analytic hierarchy process2
- Ballistic missile12
- Missile defense7
- Missile6
- Radar5
- Nuclear weapon4
Where defense tech is researched across United Kingdom
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing defense tech patents in the United Kingdom
United Kingdom defense tech patent filing is steady — 4 filings from 3 assignees (2025–2025), led by Raytheon Systems, MBDA UK, BAE Systems; annual filings 4→4.
- Raytheon Systems2
- MBDA UK1
- BAE Systems1
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.