Best Aerospace, Maritime and Defense Companies in United Kingdom
The 451 best Aerospace, Maritime and Defense companies in United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: BAE Systems.
Ranked by disclosed equity funding and recent momentum, this directory maps the best Aerospace, Maritime and Defense companies in the United Kingdom across 451 tracked firms and $4.0B in total disclosed capital. BAE Systems alone accounts for $3.5B of that, which tells you something about the concentration here. QinetiQ adds another $300M. Everything else is a long tail. The global sector sits at roughly $1076.6B and is forecast to grow at 5.9% CAGR through 2027, driven by rising geopolitical alliances and accelerating national security investment. Scale is the story.
What I find striking is how the digital layer tracks the hardware one. Median install growth across 68 maritime, defense, and aerospace apps is running at roughly 15% year-over-year, a signal that operators are committing real budget to software alongside platforms. Coverage of geopolitical strategy and litigation defense is intensifying across the sector. Smaller funded names like Sulmara ($19M) and Leask Marine ($2M) round out the field, backed by investors including Europa and Atrion Capital. So if you're benchmarking against the UK's funded defense and aerospace cohort, this is where the actual disclosed numbers live.
- prnewswire.com
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 United Kingdom
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Tech stack | Market signals (1y) | 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 | WordPress Block EditorWordPressApple iCloud Mail+25 | 42 signals ▼22% Earnings · Leadership · Contracts | 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 | — | Apple iCloud MailJavaBootstrap+16 | 3 signals ▼67% Leadership · Buyback | 3,130 patents Advanced defense materials, vehicle mobility systems, and electromagnetic component technologies. | 1 expansion |
| 3 | Gilo Industries Gilo Industries is an advanced engineering company that develops innovative technologies for the Enterprise… | $30M | 113 mo ago | 65 | 2012 | Gilo Cardozo Founder | — | — | — | — |
| 4 | 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 | Cart FunctionalityShopifyApple iCloud Mail+29 | 7 signals Contracts · M&A | — | 1 job opening |
| 5 | Sulmara International offshore survey contractor providing solutions for the energy industry 14Tech top 46%Funding bottom 45%Growth bottom 40%Global bottom 37% All 7 signals ▾Techtop 46% Fundingbottom 45% Growthbottom 40% Globalbottom 37% Marketbottom 31% Newsbottom 28% Fin. healthbottom 11% Tech: 24 technologies across 4/8 capability areas · Cloud: Amazon Ses, Amazon Web Services Funding: Raised $18.9M across 1 rounds · 1 rounds over 2 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 14/100 | $19M | 18 mo ago | 161 | 2018 | — | PHPVimeoAmazon Web Services+15 | — | — | 1 job opening · 1 award |
| 6 | 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 | WordPressMySQLPHP+19 | — | 14 patents UAV autonomous control systems and high‑performance vehicle driver cueing simulation technology | — |
| 7 | Red7Marine Offers marine construction and consultation services | $15M | 84 mo ago | 87 | 1999 | Nick Offord CEO | WordPressMySQLPHP+19 | — | — | — |
| 8 | 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 | WordPressApple iCloud MailMicrosoft 365+27 | — | 18 patents Modular aircraft wing structures and support systems for configurable airframes | — |
| 9 | The Marine Group Provider of boat repair and brokerage services | $13M | 80 mo ago | 16 | 2009 | — | — | — | 10 patents Design and construction of modular floating dock systems for marine vessels | — |
| 10 | Cox Powertrain Provider of ship engine manufacturing services | $13M | 63 mo ago | 150 | 2007 | Tim Routsis CEO | WordPress Block EditorWordPressBugHerd+32 | — | 205 patents Patents concentrated in mechanical & energy engineering | 1 job opening · 1 partnership |
| 11 | BMT Provider of maritime design, engineering, and consulting services | $11M | 108 mo ago | 2,280 | 1985 | — | Apple iCloud MailGSAPReact+14 | — | 24 patents Modular cassette systems for waterborne vessels and marine display technologies. | — |
| 12 | Rad Propulsion Manufacturer & designer of boats | $7M | 24 mo ago | 5 | 2018 | Richard Daltry Co-Founder | WordPressMySQLPHP+25 | — | — | 1 launch |
| 13 | Unum Manufacturer and supplier of airline seats | $5M | 17 mo ago | 7 | 2020 | — | TYPO3 CMSPHPBootstrap+19 | — | — | 2 launchs |
| 14 | BSSL Provider of satellites for space research and technology services | $2M | 25 mo ago | 17 | 2014 | Giovanna Tinetti Co-Founder | WordPress Block EditorWordPressSentry+20 | — | — | 1 partnership |
| 15 | Whittaker Provider of screen printing, embroidery, and digital printing equipment and supplies | $2M | 116 mo ago | 79 | 2004 | — | Craft CMSPHPGoogle Maps+14 | — | — | 4 job openings |
| 16 | Leask Marine Leask Marine Ltd | Providing vessel charter, commercial diving and international marine construction services | $2M | 14 mo ago | — | 1985 | Douglas Leask Founder & CEO | WordPressMySQLPHP+14 | — | — | — |
| 17 | AIE Advanced engineering development, design, and manufacturing company specializing in rotary engines for… | $2M | 94 mo ago | — | 2012 | — | WordPressMySQLPHP+28 | — | — | — |
| 18 | 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 |
| 19 | Quaestus Yachts Manufacturer of ship & yachts | $1M | 54 mo ago | 2 | 1999 | — | — | — | — | — |
| 20 | Feritech Manufacturer of marine seabed geotechnical survey equipment | $1M | 46 mo ago | 12 12 → 20 (+67%) | 2012 | Robert Ferris Managing Director | — | — | — | — |
| 21 | Artemis Optical Provides optical film coatings for defense industry | $1M | 117 mo ago | 40 | 2008 | Charlie Peppiatt CEO | — | — | — | — |
| 22 | Helipaddy Provider of digital databases for identifying off airfield landing sites | $1M | 59 mo ago | — | 2013 | Sarah Chenevix-Trench Co-Founder | WordPressApple iCloud MailGoogle Workspace+26 | — | — | — |
| 23 | Ultra Provider of application-engineered bespoke solutions and intelligent systems for defense | $791K | 99 mo ago | 1,941 | 1920 | — | UmbracoMicrosoft ASP.NETModernizr+10 | — | 5 patents Autonomous vehicle guidance and control systems for personal rapid transport | — |
| 24 | STL Provider of diving systems, diving bell launch & recovery systems, and hyperbaric lifeboats | $626K | 79 mo ago | — | 2012 | — | — | — | — | — |
| 25 | 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. | — |
| 26 | Swift Anchors Provider of geotechnical site investigations, assessments, anchor, and mooring design & maintenance services | $492K | 37 mo ago | 19 | 2014 | — | — | — | — | — |
| 27 | Chartwell Marine Manufacturer of marine products | $391K | 41 mo ago | 6 | 2017 | — | WordPressApple iCloud MailMicrosoft 365+18 | — | — | 1 job opening · 2 partnerships |
| 28 | Inyanga Marine Developer of marine projects | $345K | 11 mo ago | 9 | 2017 | Richard Parkinson CEO | WordPressMySQLPHP+15 | — | — | — |
| 29 | 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 | — |
| 30 | Aerogility Developer of AI-powered digital twin software for aviation and defense | $250K | 142 mo ago | — | 2009 | Malcolm Bridgeford Co-Founder & CEO | WordPressApple iCloud MailMicrosoft 365+25 | — | — | — |
| 31 | Ring Powercraft Manufacturer of power-craft sports boats and RHIBs | $250K | 71 mo ago | 4 | 1968 | Mike Ring Founder | JoomlaPHPVimeo+8 | — | — | — |
| 32 | C-Tecnics Manufacturer of subsea electronics, underwater cameras, lighting, video, and diver equipment | $194K | 120 mo ago | — | 2007 | — | Cart FunctionalityWooCommerceWordPress+30 | — | — | 1 launch |
| 33 | Makai Manufacturer of ship and yachts | $186K | 36 mo ago | 3 | 2019 | — | Cart FunctionalityWordPressMySQL+37 | — | — | — |
| 34 | 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 United Kingdom
#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 B · Glasgow, Scotland · founded 2018 · 161 employees$18.9Mraised▾
It is an international offshore survey contractor that offers a wide range of offshore survey services. They focus on decarbonizing the energy industry through the use of uncrewed and remote survey solutions. Headquartered in Aberdeen, they have regional hubs to support clients globally.
- Nov 2024Series B$18.9M
#3
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
#4
Funding Raised · United Kingdom · founded 1985$2Mraised▾
Leask Marine Ltd | Providing vessel charter, commercial diving and international marine construction services
- Apr 2025Conventional Debt$259K
- Feb 2017Grant (prize money)$448.3K
- Jan 2017Grant (prize money)$1.3M
#5
Series A · Penryn, Cornwall · founded 2017 · 9 employees$345.2Kraised▾
Developer of marine projects
- Jul 2025Series A$5M
- Jan 2021Seed$345.2K
#6
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
#7
Series A · Fareham, England · founded 2018 · 5 employees$6.7Mraised▾
Manufacturer & designer of boats
- Jun 2024Series A$5.5M
- Feb 2024Seed$1.3M
#8
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
#9
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
#10
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
#11
Series A · Shaftesbury, Dorset · founded 2012 · 65 employees$30Mraised▾
Gilo Industries is an advanced engineering company that develops innovative technologies for the Enterprise, Aerospace, Defense, and Recreational markets worldwide. They are focused on pushing the edge and developing breakthrough aviation products.
- Jan 2017Series A$30M
- May 2014Seed$47.8K
- Sep 2012Seed—
#12
Series B · Shoreham by Sea, England · founded 2007 · 150 employees$12.7Mraised▾
Provider of ship engine manufacturing services
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.