A Trusted Partner for Over a Century
Operating at 11 sites in the United Kingdom, L3Harris supports Britain's mission to secure and strengthen the country by delivering sovereign innovation across the space, air, land, sea and cyber domains.
What's New
Visit our newsroom and learn how we’re delivering trusted national security solutions at the pace of a technology disruptor.
Editorial
L3Harris and PentenAmio Team to Advance Sovereign Cryptographic Capability and Innovation in the UK, Australia and Canada
L3Harris and PentenAmio have formalised a new teaming agreement to accelerate sovereign cryptographic innovation and deliver secure communications capabilities for defence and government customers across the UK, Australia and Canada.
Press release
L3Harris Successfully Demonstrates Electronic Warfare Technology in the UK
L3Harris Technologies successfully demonstrated a new electronic warfare (EW) capability at the Defence and Security Equipment International event, highlighting how the technology can help U.K. and NATO forces meet the global need for joint, all-domain, collaborative operations.
From Ambition to Advantage: Partnering to Deliver the UK’s Defence Vision
L3Harris' alignment to the UK Strategic Defence ReviewSolutions for the United Kingdom
L3Harris products play an essential role within many vital UK defence capabilities. Our platform-agnostic, modular open systems approach enables affordable and rapid upgrades to address pacing threats, latest operational needs and interoperability requirements. In the UK, we engineer, produce and maintain capabilities ranging from cybersecurity and encryption to intelligence, surveillance and reconnaissance; ship automation and control systems; software-defined radios; multi-mission robots and autonomous surface vessels.
Featured Capabilities
CORVUS-RAVEN
CORVUS-RAVEN is a counter-drone system that brings operators passive signal detect capability, enhanced situational awareness and defeat jamming capability.
Distributed Spectrum Collaboration and Operations (DiSCO™)
DiSCO is a resilient, future-fit electromagnetic spectrum operations (EMSO) architecture that weaponizes electronic warfare (EW) data to achieve overmatch at campaign speed. It reduces the time from unknown signal identification from months to minutes; thus enhancing survivability and ensuring freedom of maneuver in all complex environments.
Viper Shield™ AN/ALQ-254(V)1 All-digital Electronic Warfare Suite
The Viper Shield all-digital electronic warfare (EW) suite is custom designed to be baseline on advanced F-16 aircraft and maximize their survivability and mission success.
AMORPHOUS™
AMORPHOUS is an open architecture advanced platform specifically designed for a single user to command and control multi-domain collaborative autonomous assets at the scale, complexity and pace needed to provide mission overmatch.
C5ISR
The modern battlespace is more data-rich than ever. L3Harris' C5ISR Systems expertise ensures commanders have access to the complete battlefield picture they need.
Robotic Systems
L3Harris’ family of robotic systems is purpose-built to take on even the toughest military and commercial missions. Deployed worldwide, the T7™ and T4™ are durable, intuitive and exceptionally high-performing.
Video Gallery
L3Harris - An Integrated Force In All-Domain Operations - DSEI 2025 UK
Building a Better World
L3Harris in the UK
Adversaries Continue to Target and Disrupt Allied Forces
Our Commitment to Strong Partnerships
L3Harris is dedicated to fostering local industry growth, creating jobs and contributing to economic prosperity in the United Kingdom. In addition to the direct jobs we provide in our sites across the UK, we also work closely with hundreds of trusted suppliers throughout the country.
Learn About Our Social Value Commitment
Social Value in the UKL3Harris United Kingdom News
Editorial | 11. 18. 2025
L3Harris and PentenAmio Team to Advance Sovereign Cryptographic Capability and Innovation in the UK, Australia and Canada
L3Harris and PentenAmio have formalised a new teaming agreement to accelerate sovereign cryptographic innovation and deliver secure communications capabilities for defence and government customers across the UK, Australia and Canada.
L3Harris UK Locations
London, United Kingdom
L3Harris UK
Level 6, 390 Strand
London WC2R 0LT
United Kingdom
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Barrow-In-Furness
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Brighton
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Bristol
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Burgess Hill
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Farnborough
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Faslane
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Fleet
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Mildenhall
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Portchester
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Tewkesbury
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Waddington
Contact the L3Harris UK Team
