Best Aerospace, Maritime and Defense Tech Companies in London, United Kingdom
The 201 best Aerospace, Maritime and Defense Tech companies in London, United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: OneWeb.
Our analysis of 50 Aerospace, Maritime and Defense Tech companies
$31.9b in tracked funding; 90% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2021.
Ranked: Best Aerospace, Maritime and Defense Tech companies in London
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | OneWeb 🦄 Provider of satellite based communication solutions 53Funding top 25%Moat top 31%Partners top 32%Innovation top 34% All 11 signals ▾Fundingtop 25% Moattop 31% Partnerstop 32% Innovationtop 34% Producttop 37% Newstop 39% Markettop 40% Talentbottom 49% Techbottom 46% Globalbottom 45% Growthbottom 32% Funding: Raised $4.9B · 13 rounds over 11 yrs (1.2/yr) Moat: Editorial + unicorn rating 6/10 · Unicorn rank vs industry peers · Fliar Intelligence Index 53/100 | $4.9B | 56 mo ago | 362 362 → 344 (-5%) | Neil Masterson Chief Executive Officer | DrupalPHPAmazon ALB+18 | — | — |
| 2 | Roark Aerospace UAV detection and disruption systems for defense applications 14Funding top 16%Talent bottom 49%Global bottom 30%Market bottom 25% All 5 signals ▾Fundingtop 16% Talentbottom 49% Globalbottom 30% Marketbottom 25% Techbottom 15% Funding: Raised $285M across 2 rounds · 2 rounds over 1 yrs (2.0/yr) Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 14/100 | $285M | 6 mo ago | — | Patton French Founder & CEO | lit-htmllit-elementClosure Library+2 | — | — |
| 3 | Kpler Provider of real time trade intelligence tools for global markets 67Tech top 14%Product top 30%Moat top 31%Growth top 32% All 10 signals ▾Techtop 14% Producttop 30% Moattop 31% Growthtop 32% Fundingtop 37% Fin. healthtop 37% Talenttop 38% Marketbottom 41% Globalbottom 37% Newsbottom 24% Tech: 60 technologies across 7/8 capability areas · Cloud: Amazon Cloudfront, Amazon Web Services Product: 2 published apps (4.9k installs) · Company stage: Series D rank vs industry peers · Fliar Intelligence Index 67/100 | $200M | 50 mo ago | 11 | Jean Maynier Co-Founder & CTO | WebflowApple iCloud MailGoogle Workspace+29 | — | — |
| 4 | Skyports Developer of landing infrastructure for electric vertical takeoff aircraft operations 42Talent top 23%Funding top 27%Moat top 39%Growth top 45% All 9 signals ▾Talenttop 23% Fundingtop 27% Moattop 39% Growthtop 45% Newsbottom 48% Techbottom 46% Globalbottom 39% Partnersbottom 35% Marketbottom 28% Talent: 5 named leaders on record · 5 C-suite/founder profiles curated Funding: Raised $151M across 7 rounds · 7 rounds over 9 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 42/100 | $151M | 26 mo ago | 22 | Simon Morrish Co-Founder | WordPressApple iCloud MailMicrosoft 365+24 | — | 2 partnerships · 2 expansions |
| 5 | Orbex Developer of launch system for small satellites | $133M | 16 mo ago | 3 | Jonas Bjarno Co-Founder & Chief Scientist | Amazon Web ServicesCloudflarecdnjs+12 | — | — |
| 6 | ChartCo Maritime regulatory service and voyage compliance | $79M | 120 mo ago | — | Martin Taylor CEO | JavaJavaServer FacesBootstrap+6 | — | — |
| 7 | SatVu Provider of satellite-based thermal imaging systems 37Funding top 19%Talent top 38%Growth top 40%Moat top 42% All 8 signals ▾Fundingtop 19% Talenttop 38% Growthtop 40% Moattop 42% Newstop 48% Techbottom 48% Globalbottom 39% Marketbottom 20% Funding: Raised $68.6M across 7 rounds · 7 rounds over 5 yrs (1.4/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 37/100 | $69M | 4 mo ago | 2 | Tobias Reinicke Co-Founder & CIO | WebflowApple iCloud MailMicrosoft 365+16 | — | 3 launchs |
| 8 | Hadean Developer of AI-powered digital wargaming and command and control software 67Funding top 26%Growth top 32%Tech top 38%Talent top 38% All 9 signals ▾Fundingtop 26% Growthtop 32% Techtop 38% Talenttop 38% Moattop 39% AItop 45% Globalbottom 45% Marketbottom 39% Newsbottom 27% Funding: Raised $65.9M across 6 rounds · 6 rounds over 9 yrs (0.7/yr) Growth: Headcount 39 → 52 (+33%) across vintages · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 67/100 | $66M | 3 mo ago | 52 52 → 76 (+46%) | Mimi Keshani Co-Founder & COO | WordPress Block EditorWordPressApple iCloud Mail+33 | — | 1 job opening · 1 internship · 1 partnership |
| 9 | RateGain AI-powered solutions for the travel and hospitality industry 80Tech top 16%Product top 24%Moat top 24%Market top 25% All 12 signals ▾Techtop 16% Producttop 24% Moattop 24% Markettop 25% Talenttop 28% Fundingtop 31% Globaltop 35% Fin. healthtop 42% Innovationtop 44% AItop 45% Newstop 47% Growthbottom 41% Tech: 85 technologies across 7/8 capability areas · Cloud: Amazon Alb, Amazon Cloudfront Product: 1 product launch event in 12 mo · 4 distinct product lines rank vs industry peers · Fliar Intelligence Index 80/100 | $65M | 30 mo ago | 590 590 → 1,025 (+74%) | Megha Chopra Co-Founder | WordPressApple iCloud MailMySQL+46 | — | 1 partnership |
| 10 | Uforce Developer of unmanned systems for air, land, sea, and C2 | $50M | 3 mo ago | — | Oleg Rogynskyy CEO | WebflowPlyrAmazon Web Services+13 | — | — |
| 11 | Adarga Systems Provider of an AI platform for information intelligence and analysis | $26M | 37 mo ago | 10 | Robert Cross Founder & CEO | Cart FunctionalitySquarespace CommerceSquarespace+14 | — | 1 job opening |
| 12 | Urban-Air Port Developer of ground infrastructure for electric vertical takeoff aircraft operations | $26M | 49 mo ago | 8 | Ricky Sandhu Founder + Executive Chairman | Cart FunctionalitySquarespace CommerceSquarespace+22 | 21 patents Design and construction of vertical‑takeoff/landing pads and modular aerodrome structures. | 1 partnership |
| 13 | Hummingbird Technologies AI‑driven agriculture analytics platform | $25M | 59 mo ago | 59 | — | — | — | — |
| 14 | Phasor Solutions Provider of phased array antenna technology for satellite communication | $19M | 106 mo ago | 42 | — | — | 46 patents Phased‑array antenna design, beam steering/alignment, and noisy signal processing for RF systems | — |
| 15 | AirPortr Online platform providing contactless check-in solutions for baggage in the airport | $17M | 98 mo ago | 43 43 → 58 (+35%) | Randel Darby Co-Founder & CEO | WordPressSentryUnbounce+39 | — | 3 partnerships |
| 16 | Arondite Developer of software and AI for autonomous defence technology applications | $17M | 14 mo ago | — | Will Blyth Co-Founder & CEO | WebflowApple iCloud MailMicrosoft 365+16 | — | — |
| 17 | Sky-Futures Provider of drone-based inspection and asset inspection services | $14M | 105 mo ago | 16 16 → 21 (+31%) | Steve Phillips Chairman Of The Board Of Directors | WordPressMySQLPHP+18 | — | — |
| 18 | Stratajet Online marketplace for booking private jets | $13M | 121 mo ago | 45 | — | — | — | — |
| 19 | Shipamax Provider of accounting, taxation, payroll, VAT, and bookkeeping services | $12M | 77 mo ago | 27 | — | — | — | — |
| 20 | Spaceflux Provider of space navigation services | $12M | 1 mo ago | — | Marcel Debczynski Co-Founder | WordPressMySQLMariaDB+28 | — | 1 job opening · 1 partnership |
| 21 | StirlingX Provider of drone systems and data services for critical decisions | $11M | 12 mo ago | — | Daniel Clarke Co-Founder & Chief Technology Officer | WebflowAmazon Web ServicesTypekit+19 | — | 1 launch |
| 22 | Borrow A Boat Provider of boat rental and yacht charter services | $10M | 48 mo ago | 8 | Matt Ovenden Founder & CEO | Node.jsPHPRadix UI+19 | — | — |
| 23 | AMFG Cloud-based manufacturing execution system suite solutions 42Tech top 33%Innovation top 34%Product top 36%Moat top 39% All 11 signals ▾Techtop 33% Innovationtop 34% Producttop 36% Moattop 39% Fundingtop 45% AItop 45% Talentbottom 49% Globalbottom 43% Growthbottom 35% Newsbottom 27% Marketbottom 23% Tech: 51 technologies across 5/8 capability areas · Cloud: Amazon Web Services, Cloudflare Innovation: 4 product lines rank vs industry peers · Fliar Intelligence Index 42/100 | $10M | 42 mo ago | 3 | Keyvan Karimi CEO | Cart FunctionalityWordPressUnbounce+30 | — | — |
| 24 | DeepSea Developer of AI-powered solutions for maritime fleet decarbonisation and optimisation | $9M | 58 mo ago | 96 | Konstantinos Kyriakopoulos Co-founder and CEO | Wix eCommerceWixSentry+20 | — | 1 launch |
| 25 | Caeli Nova Provider of aircraft passenger emergency oxygen system | $9M | 53 mo ago | 27 27 → 22 (-19%) | Gunnar Jansen Co-Founder | — | — | 1 job opening |
| 26 | Sen Developer of satellite network for in orbit activities and planetary observation | $9M | 42 mo ago | 14 | Steve Brown Chief Operating Officer | WordPressApple iCloud MailMicrosoft 365+25 | — | — |
| 27 | CYBA Provider of infrastructure software and information technology services to businesses | $8M | 52 mo ago | 4 | — | — | — | — |
| 28 | Greenjets Developer of electric jet engines for sustainable aviation propulsion systems | $7M | 14 mo ago | 19 | Anmol Manohar Co-Founder & CEO | WebflowApple iCloud MailMicrosoft 365+16 | 21 patents Electric ducted‑fan propulsion systems for aircraft and UAVs | — |
| 29 | Autonomous Flight Developer of electric VTOL aircraft | $7M | 61 mo ago | 1 | — | — | — | — |
| 30 | FlareBright Provider of aerial photography services by using drones | $6M | 13 mo ago | 5 | Kelvin Hamilton Co-Founder & CEO | WordPressMySQLPHP+23 | — | — |
| 31 | Labrys Provider of real time people visualization and collaboration solution | $6M | 12 mo ago | — | August Lersten Co-Founder & CEO | WebflowGSAPLenis+12 | — | — |
| 32 | Flio App-based platform that provides airline assistance for travelers | $5M | 91 mo ago | 4 | — | RubyBootstrapRuby on Rails+17 | — | — |
| 33 | Zamna Provider of passenger information validation platform for airlines and governments | $5M | 79 mo ago | 9 | Alex Gorelik CoFounder | CTO | CPO | — | — | — |
| 34 | VesselsValue Provider of SaaS-based analytics, tracking, and data for marine vessels | $5M | 49 mo ago | 196 | Richard Rivlin Founder & CEO | WordPressMySQLPHP+25 | — | — |
| 35 | FrontM Provider of SaaS-based platform for building chatbots | $4M | 26 mo ago | 8 | Guillermo Acilu Co-Founder & CTO | TurbopackEmotionNode.js+11 | — | 1 launch · 4 partnerships |
| 36 | Stanhope AI Developer of active inference software for autonomous robotic decision systems 42AI top 30%News top 36%Funding top 41%Talent bottom 49% All 6 signals ▾AItop 30% Newstop 36% Fundingtop 41% Talentbottom 49% Globalbottom 39% Marketbottom 37% AI: Classified as an AI company · Product described with: computer vision News: 3 BI events in 12 mo (of 7 tracked, 1 types) · Top themes: Funding rank vs industry peers · Fliar Intelligence Index 42/100 | $3M | 4 mo ago | — | Rosalyn Moran Co-Founder & CEO | — | — | 1 award |
| 37 | Lodestar Developer of advanced technologies for space operations | $3M | 6 mo ago | — | Thomas Santini Co-Founder | Framer SitesReactPriority Hints+7 | — | — |
| 38 | Unmanned Developer of software solutions for drones | $2M | 38 mo ago | 25 | Kumardev Chatterjee Founder | — | — | — |
| 39 | Value.Space Provider of satellite-based structural risk assessment and monitoring for infrastructure | $2M | 37 mo ago | 1 | Agu Leinfeld Co-Founder | Node.jsTailwind CSSReact+11 | — | — |
| 40 | Marine Traffic Cloud based provider of marine datasets | $2M | 56 mo ago | 151 151 → 89 (-41%) | — | WebflowSentryZendesk+23 | — | — |
| 41 | Boataround Provider of boat rental and yacht charter booking platform | $2M | 12 mo ago | 71 | Pavel Pribis Chief Executive Officer | SentryPHPLaravel+14 | — | 3 partnerships · 1 award |
| 42 | Hammer Mission Provider of drone platform for flight planning, mapping, and inspection | $2M | 14 mo ago | 6 | Varun Sarwal Founder & CEO | WixSentryBootstrap+20 | — | — |
| 43 | Kavida AI Developer of AI agents for procurement, sourcing, and sales automation | $2M | 34 mo ago | 2 | Anam Rahman Co-Founder & CEO | Cart FunctionalityWordPressSentry+25 | — | — |
| 44 | Space DOTS Developer of components and equipment for space solutions | $2M | 10 mo ago | 4 | James Alden Co-Founder & CTO | WebflowGSAPCloudflare Turnstile+9 | — | 2 launchs |
| 45 | ODIN Space Provider of orbital mapping intended to identify lethal, non-trackable space debris | $806K | 6 mo ago | 2 | Dan Terrett Co-Founder | — | — | — |
| 46 | Disruptive Industries Security risk assessment solutions for businesses | $750K | 32 mo ago | 4 | Lee Wylde Founder & CEO | — | 10 patents Multi-touch interfaces for touchscreens and portable audio docking/reproduction systems | — |
| 47 | Seeing Systems Just a moment... | $500K | 5 mo ago | — | Matthew Maitre Co-Founder | — | — | 1 partnership |
| 48 | Zymbly Developer of AI copilot for aircraft maintenance decision support systems | $500K | 5 mo ago | — | Azmat Habibullah Co-Founder & CTO | — | — | — |
| 49 | VIZGARD Provider of AI and cloud-based computer vision solutions for drones | $360K | 16 mo ago | 1 | Alex Kehoe Founder & CEO | — | — | — |
Top 12 Aerospace, Maritime and Defense Tech companies in London
#1
Series A · London, England · founded 2017 · 52 employees$65.9Mraised▾
Developer of AI-powered digital wargaming and command and control software. The company provides software utilized by defense organizations and militaries. It delivers digital wargaming and command and control capabilities. The company supports mission lifecycles to help customers plan, train, and make decisions.
- Mar 2026Series A—
- Oct 2023Series A—
- Mar 2023Series A$5M
- Jan 2023Grant (prize money)—
#2
Series B · London, England · founded 2023$285Mraised▾
UAV detection and disruption systems for defense applications. The worlds largest drone detection and mitigation network with over 55,000 devices deployed globally providing solutions to over 3,000 end users including governments, military and private sector. Pioneers of the "detection as a service" model.
- Dec 2025Series B$210M
- May 2025Series A$75M
#3
Series B · London, England · founded 2016 · 2 employees$68.6Mraised▾
Provider of satellite-based thermal imaging systems. It offers Earth observation technology designed to capture mid-wave infrared imagery and video at high resolution, enabling monitoring of heat emissions across urban areas, infrastructure, and natural environments. Its data platform supports applications such as energy efficiency assessment, climate monitoring, industrial activity tracking, and environmental risk management, serving governments, businesses, and research organizations.
- Feb 2026Series B$40.9M
- Nov 2024Series A$12.6M
- May 2023Series A$16.1M
- Mar 2022Series A$26.8M
#4
Seed · London, England · founded 2025$50Mraised▾
Developer of unmanned systems for air, land, sea, and C2. The company provides integrated combat systems built from real combat experience. It offers unmanned platforms designed for rapid deployment across various domains. The company focuses on delivering effective solutions at a fraction of traditional costs.
- Mar 2026Seed$50M
#5
Seed · London, England · founded 2022$11.9Mraised▾
Spaceflux is a UK-based seed-stage company founded in 2022 that focuses on Space Situational Awareness services, aiming to address the challenges of orbital congestion and debris to protect satellites.
- May 2026Seed$4.7M
- Jul 2025Seed$7.2M
#6
Series D · London, England · founded 2015 · 3 employees$133.4Mraised▾
Developer of launch system for small satellites. It provides users with systems that can launch small, micro and nano-satellites into low Earth orbits. It claims that its vehicle subsystems are being developed in-house, including rocket engines, avionics, GNC, software and structure technologies. It also provides launching services for a launch range of payload capacities and includes logistics, regulatory, licensing and insurance support.
- Jan 2025Series D$24.9M
- Nov 2024Grant (prize money)$5.9M
- Apr 2024Series C$20.8M
- Dec 2023Grant (prize money)$4.1M
#7
Seed · London, England · founded 2021$2.9Mraised▾
Developer of active inference software for autonomous robotic decision systems. This technology enables machines to process information and make decisions without reliance on extensive training datasets. The software functions on edge devices to facilitate real-time learning and inference. By utilizing world models, these systems interpret environmental states to perform tasks in unpredictable conditions. The framework provides explainable outputs for machine behavior, allowing for the verification of internal decision-making processes. These tools are designed for integration with computer vision stacks to support embodied platforms in performing autonomous operations.
- Feb 2026Seed$8M
- Mar 2024Seed$2.9M
#8
Seed · London, England · founded 2023$2.9Mraised▾
Developer of advanced technologies for space operations. It provides users with a company offering integrated hardware and software suite designed to provide dexterous manipulation capabilities essential for safeguarding national security and enabling future large scale in orbit construction projects.
- Dec 2025Grant (prize money)$396.8K
- Jul 2024Seed$2.5M
#9
Seed · London, England · founded 2023$16.5Mraised▾
Developer of software and AI for autonomous defence technology applications. The organisation focuses on bringing together talent in AI, software, hardware integration, and technical programme delivery. It builds foundational software to power the autonomous age.
- Apr 2025Seed$12M
- Jul 2024Seed$2.3M
- Seed$2.2M
#10
Seed · London, England · founded 2024$11Mraised▾
Provider of drone systems and data services for critical decisions. The company empowers customers by unlocking the value of data through autonomous drone systems. It offers solutions to build, operate, and illuminate various sectors. The company focuses on providing secure and reliable data acquisition and analysis.
- May 2025Seed$11M
#11
Seed · London, England · founded 2015 · 5 employees$5.8Mraised▾
Provider of aerial photography services by using drones. Their technology enables drones to function reliably in environments where GPS is unavailable or compromised, such as during GPS jamming or spoofing. They provide software that enhances existing navigation sensors and optimize drone flight safety using machine learning and digital twin modeling technology.
- May 2025Grant (prize money)$130K
- Jan 2021Seed$202.1K
- Jan 2021Seed$137.4K
- Nov 2020Seed$469.5K
#12
Seed · London, England · founded 2020 · 2 employees$806Kraised▾
Provider of orbital mapping intended to identify lethal, non-trackable space debris. It offers detection of orbital debris currently invisible to other tracking methods. The company provides failure diagnosis to determine if debris caused a failure. It enables access to collision-specific coverage. Furthermore, it allows for optimized designs and flightpaths with orbital intelligence.
- Dec 2025Seed$3M
- Dec 2021Seed$806K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Aerospace, Maritime and Defense Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Launch Vehicles is moving in the United Kingdom
A read on the academic research around Launch Vehicles — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 87 United Kingdom-affiliated papers.
- University of Glasgow7
- University of Cambridge6
- University College London6
- Cranfield University5
- University of Strathclyde5
- Rocket (weapon)7
- Aerospace engineering5
- Thrust4
- Rocket engine4
- Combustion3
- Nozzle1→5
- Rocket (weapon)2→6
- Rocket engine2→4
- Aerospace engineering4→6
- Aeronautics4
- Aerospace engineering4
- Sensitivity (control systems)2
- Thermoacoustics2
- Satellite2
Where launch vehicles 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 launch vehicles patents in the United Kingdom
United Kingdom launch vehicles patent filing is accelerating — 32 filings from 11 assignees (2018–2025), led by Orbital Express Launch, Stephen Desmond Lewis, Protolaunch; annual filings 3→7.
- Orbital Express Launch9
- Stephen Desmond Lewis6
- Protolaunch3
- Astron Systems3
- Wirth RES3
- Orbital Express Lauch3
- Skyrora2
- Second STAR1