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Top Defense Companies in London (33)

Boeing
Aerospace • Information Technology • Software • Cybersecurity • Design • Defense • Manufacturing
33 Offices
170,000 Employees
110 Benefits Hiring Now
Explore New Horizons

A leading global aerospace company and top U.S. exporter, Boeing develops, manufactures and services commercial airplanes, defense products and space systems for customers in more than 150 countries. Our U.S. and global workforce and supplier base drive innovation, economic opportunity, sustainability and community impact. Boeing is committed to fostering a culture based on our core values of safety, quality and...

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Boeing

Boeing's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue is rising year over year in early 2026, supported by higher commercial-aircraft deliveries and a record company backlog. Results indicate top-line momentum as production and deliveries recover toward pre-2019 levels.

Diversified Revenue Streams: Defense and services activity are contributing alongside Commercial Airplanes, with defense volumes growing and services providing recurring support. This breadth helps buffer the business while commercial programs ramp.

Strong Market Position & Advantage: A record multi-year backlog and status as one of two dominant large-jet manufacturers point to durable demand and competitive strength. Ongoing order activity and planned production rate increases reinforce this position.

Vantor
Aerospace • Artificial Intelligence • Computer Vision • Software • Analytics • Defense • Big Data Analytics
Vantor is forging the new frontier of spatial intelligence to unlock a more autonomous, interoperable world.

Vantor is forging the new frontier of spatial intelligence to unlock a more autonomous, interoperable world. We empower decision makers and operators with the clarity they need to navigate what’s happening now and shape what’s coming next. Our AI-powered spatial intelligence platform fuses data from the world’s highest-resolution satellites with real-time sensor feeds from space, air, and ground to create...

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Vantor

Vantor's Top Stability & Growth Strengths

Market Expansion: International business is described as growing at a double-digit rate in 2025, with more than 60 government partners and over a dozen new European customers broadening geographic reach. Partnerships and a planned joint venture in Germany further extend presence across Europe.

Customer Loyalty & Retention: Follow-on and option-year awards—such as the $70 million NGA G-EGD option and the U.S. Army’s up-to-$217 million One World Terrain production award—indicate repeat demand and sustained relationships. These multiyear arrangements suggest durable engagement even when full contract ceilings are not immediately realized.

Product Line Growth: The launch of Tensorglobe and AI-enabled products (Raptor, Sentry) alongside planned Vantage and Pulse constellations expands offerings beyond imagery into software, analytics, and higher-revisit capacity. This broadening portfolio creates additional avenues for growth even though near-term revenue contribution is not quantified.

Costain Group PLC
Transportation • Energy • Defense • Industrial
7 Offices
3,500 Employees

Costain Group PLC is a British construction and engineering company dedicated to creating connected, sustainable infrastructure that improves people's lives and enables the planet to thrive. With over 160 years of history, the company delivers pioneering solutions and infrastructure services across the UK's energy, water, transportation, defence, and nuclear markets, focusing on decarbonisation and climate resilience.

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Costain Group PLC
MBDA
Aerospace • Defense • Manufacturing
13 Offices
3,000 Employees
10 Benefits

MBDA Incorporated designs, develops, and manufactures missiles and missile systems for armed forces across land, sea, and air. The company is focused on delivering advanced missile capabilities to defense customers worldwide.

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MBDA
Babcock International Group
25 Offices
26,000 Employees

Babcock is an international defence company operating in our focus countries of the UK, Australasia, Canada, France and South Africa, with exports to additional markets. Our Purpose, to create a safe and secure world, together, defines our strategy. We support and enhance our customers’ defence and security capabilities and critical assets through a range of product and service solutions. We meet...

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Babcock International Group
Lodestar Space
Aerospace • Defense • Manufacturing
2 Offices
16 Employees
Defending the ultimate high ground.

Building the frontline service to safeguard all off-earth operations.

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Lodestar Space
FDH
Aerospace • Defense
18 Offices
1,500 Employees
23 Benefits

FDH Aero is a trusted global supply chain solutions partner and aircraft parts distributor for the aerospace and defense industries, specializing in simplifying supply chains and providing strategic inventory investments.

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FDH
QBE LLC
Information Technology • Professional Services • Consulting • Defense
50 Offices
66 Employees

QBE LLC is a management and technology consulting organization that provides services to the federal government and defense communities, offering IT services, cybersecurity, cloud infrastructure, data management, and system engineering.

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QBE LLC
Marshall Group
Aerospace • Professional Services • Defense • Manufacturing
10 Offices
601 Employees

Established in 1909, Marshall Group is a British aerospace and defence company with a rich engineering heritage. It is a global leader in military maintenance, repair, and overhaul (MRO), working closely with aircraft operators to keep their fleets mission-ready. The company also specializes in precision manufacturing for flagship defence programmes and provides applied engineering services and technology solutions for governments...

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Marshall Group
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Rolls-Royce Holdings plc
Aerospace • Energy • Defense • Manufacturing
37 Offices
50,000 Employees

Rolls‑Royce Holdings plc designs, manufactures and supports complex power and propulsion systems for safety‑critical applications in aerospace, defence, marine and energy sectors. The group supplies commercial and military aero engines, naval and land propulsion systems, distributed energy and power‑generation solutions, and provides long‑term maintenance, repair and overhaul services focused on engineering excellence, reliability and operational performance worldwide.

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Rolls-Royce Holdings plc
Metrea
Aerospace • Defense
2 Offices
749 Employees
5 Benefits

Metrea, formerly Meta Aerospace, offers a deep stack of defense capabilities and services for our customers and partners, allowing them to anticipate, secure, and defend their interests in a rapidly changing problem space. We architect cutting-edge solutions across a wide variety of missions from ISR services, to multi-mission electromagnetic technologies, to simulations applications.

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Metrea

Metrea's Top Stability & Growth Strengths

Strong Market Position & Advantage: Acquisition of France’s KC/C‑135 fleet and pioneering boom refueling for U.S. services establish a differentiated, at‑scale presence in contracted aerial refueling. This capability positions the company alongside a very small set of providers with broad receiver compatibility.

Market Expansion: New and extended sovereign engagements—such as India’s refueling training, Australia’s border‑surveillance award, and continuing U.S. Navy orders—illustrate growing international reach. These wins indicate multi‑year demand across several regions.

Product Line Growth: Acquisitions and program activity extend offerings beyond AAR into surveillance, ISR/EW training, advanced simulation, and aerial‑firefighting concepts. FAA ODA certification via Metrea Aerospace Design and the Intellic Technologies addition accelerate engineering and training pipelines.

MTI Motion
Aerospace • Defense • Industrial • Manufacturing
4 Offices

MTI Motion is a manufacturer and developer of precision, high performance electric motors, drives, and controllers, serving aerospace, military, commercial, and industrial markets with custom motion control components. They work on motors and actuation systems for a wide range of aerospace and defense applications.

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MTI Motion
Senior plc
Aerospace • Automotive • Energy • Defense
2 Offices
6,779 Employees
10 Benefits

Senior plc is a global, market-leading engineering solutions provider that designs and manufactures high-technology components and systems for the aerospace, defense, land vehicle, and power & energy markets.

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Senior plc

Senior plc's Top Stability & Growth Strengths

Profitability: Adjusted profit and operating margins expanded across continuing operations, supported by positive pricing, volume growth, and operational efficiencies. Profits are rising faster than sales, indicating improved earnings quality.

Healthy Cash Flow: Free cash flow increased and leverage reduced, with strong cash conversion underpinning balance sheet strength. Dividend growth and deleveraging signal ample capacity to fund growth and returns.

Strong Market Position & Advantage: The company is described as an international, market‑leading engineering solutions provider and tier supplier to major OEMs across aerospace, defence, land vehicle, and energy markets. A focused footprint in fluid conveyance and thermal management with global operations supports durable competitive positioning.

QinetiQ US
Robotics • Security • Cybersecurity • Defense
27 Offices
1,592 Employees
34 Benefits

For over 60 years, QinetiQ US has been providing world-class technology development, engineering research and development and revolutionary products to the defense, security, and commercial markets. Our mission-led approach to innovation ensures we get the best capabilities rapidly into the hands of our customers. Our capabilities include Mission Operations, ISR, Cyber, Information Advantage and Robotics & Autonomous Systems. Together, these play...

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QinetiQ US
GLOCK, Inc.
Defense • Manufacturing
5 Offices
480 Employees

GLOCK, Inc. is a global manufacturer of polymer-framed pistols and firearms. It designs and produces pistols in a range of caliber configurations and styles, emphasizing precision, safety, and reliability. The company’s products are engineered to meet demanding specifications associated with military and law-enforcement use, while its sporting-goods manufacturing classification reflects its role as a producer of firearms and related sporting...

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GLOCK, Inc.
Intelsat S.A.
Aerospace • Information Technology • Defense • Infrastructure as a Service (IaaS)
6 Offices
1,790 Employees

Intelsat is a global satellite services provider that operates a large fleet of satellites and ground infrastructure. It provides connectivity solutions for video broadcasting, broadband, and secure communications to governments, businesses, and mobile operators worldwide. Recently acquired by SES, it continues to function as a major player in the satellite and connectivity industry, focusing on multi-orbit, multi-band network solutions to...

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Intelsat S.A.
V.Group Limited
Professional Services • Transportation • Energy • Defense
29 Offices

V.Group is a leading global provider of ship management and marine services to the commercial shipping, cruise, energy, and defence industries.

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V.Group Limited

V.Group Limited's Top Stability & Growth Strengths

Strong Market Position & Advantage: Market position is portrayed as top-tier in third-party ship management, supported by global scale across thousands of vessels and tens of thousands of seafarers with operations in roughly 30 countries. Independent industry profiles frequently place the company among the largest in its category, indicating advantages from breadth of services and reach.

Investor Backing & Capital Strength: Ownership by a STAR Capital–led consortium with partners such as Ackermans & van Haaren provides capital intended to accelerate platform investment and growth. Prior private equity backing and the 2024 transaction underscore the ability to attract major financing aligned to industry outsourcing and technical complexity trends.

Market Expansion: New and expanded agreements across tankers, LNG, bulk, and leisure—such as with Laskaridis Maritime, International Seaways, Silk Searoad, and the MOL/V.Ships France relationship—signal continued fleet and customer growth. Regional investment, including an expanded Chennai office, points to increased geographic capacity.

Arondite
Artificial Intelligence • Software • Defense
London
27 Employees
Hiring Now
Autonomy. Connected.

Arondite is a defence technology building the foundational software and AI to power the autonomous age. We're hiring world-class engineers who share our values and who want to make a difference. If you're interested in joining us then check out the latest roles on our website.

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Arondite
DAC Engineered Products LLC
Aerospace • Defense • Manufacturing
12 Offices
15 Employees

DAC Engineered Products (DAC-EP) is a rapidly growing aerospace PMA Parts/Brakes and CMM/DER Repair provider focused on niche product segments and cost-saving solutions. As an FAA Certified Part 145 Repair Station, they offer innovative, non-OEM, FAA Approved solutions for wastewater system sub assemblies, steel and carbon brakes, and flight control components for both commercial and military aircraft.

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DAC Engineered Products LLC
Galliford Try Holdings plc
Professional Services • Real Estate • Defense • Industrial
2 Offices
4,317 Employees
13 Benefits

Galliford Try Holdings plc is a United Kingdom-based construction company that carries out building and infrastructure projects for clients in the public, private, and regulated sectors. It specializes in delivering construction services that improve the built environment.

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Galliford Try Holdings plc

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