Advanced Materials defence companies in the UK
We track 20 advanced materials companies in the UK, most of them in London and Bridgend. 3 of them are hiring now, with 15+ open roles. Among them are Greenjets, Isembard and SECQAI.
All Advanced Materials Companies in the UK
Develops quiet, safe electric propulsion systems and jet engines for aircraft including drones, air taxis, and regional aircraft to accelerate sustainable aviation.



Runs a distributed network of precision factories powered by MasonOS, its proprietary software platform, manufacturing high-precision components for aerospace, defence and critical industries.
Designs memory-safe semiconductors with post-quantum cryptography for securing servers, edge devices and critical infrastructure against both current and quantum-era threats.
Developer of modular military aircraft systems featuring common core fuselage with interchangeable components for training and operational roles. Creates advanced jet trainers, basic trainers, and light attack variants with digital engineering and reconfigurable avionics.
AI quoting platform for manufacturers, extracting materials and pricing inputs directly from CAD files and drawings. Selected by UK Digital Catapult and National Composites Centre for the Defence Testbed Accelerator to make defence Technical Data Packs securely discoverable across distributed additive manufacturing supply chains.
Caithness-based engineering firm designing rugged lithium-ion battery systems for the global defence industry, with 20+ years supplying the military. Key products include the BB2590 smart battery and 6T lithium-ion vehicle battery.
UK specialist in energetic materials, pyrotechnic mechanisms and blast mitigation. Designs and manufactures cable cutters, actuators, gas generators and rocket motors used in defence applications including ejector seats, parachute deployment and breacher grenades developed with Dstl.
UK's leading compound semiconductor development and fabrication company, manufacturing advanced devices for defence, communications, and energy applications.

UK radiation detection and shielding manufacturer, co-developer with AWE of the GMS595 gamma dose-rate monitor — the most sensitive gamma monitor available, cutting CBRN response time from two minutes to two seconds.
UK radiation and bio-detection technology company providing CBRN detection, handheld RIIDs, UAV radiation monitoring and security products for defence and homeland security users.



Designs and manufactures bespoke lithium-ion batteries and charging systems for military platforms, EOD robots, unmanned systems and defence prime contractors across NATO.
MGI Engineering's defence division applying Formula 1 rapid prototyping and lightweight composite expertise to autonomous platforms. Builds one-way effectors, heavy-lift UAVs, and the SkyShark drone that first flew in July 2025.
UK survivability technology company manufacturing personal armour, ballistic protection, platform survivability systems, composite armour and military vehicle integration solutions.



UK combat engineering company building armoured vehicle attachments, minefield breaching equipment, route-proving systems and robotics for battlefield mobility and survivability.



Stirling-based SME producing lightweight, ballistic and blast-rated modular building blocks made from 100% recycled polypropylene. Awarded a £238,000 DASA contract with the UK MoD for force protection and vehicle checkpoint infrastructure.
Raptor Photonics designs and manufactures specialist CCD, CMOS, SWIR and VIS-SWIR camera systems for surveillance, space, scientific and industrial OEM applications.


Scanna MSC develops portable security X-ray systems and mailroom screening equipment for counter-terrorism, law-enforcement, defence and EOD threat-detection applications.
UK military vehicle specialist designing high-mobility off-road platforms, special forces vehicles, recovery systems and autonomous vehicle concepts for defence users.



Swansea University spin-out manufacturing life-like whole-body trauma training simulators for military combat medic and MERT training. Models are built from 3D CT and MRI imaging and replace animal and cadaveric training materials.
Recovery and recycling technology for aerospace composite waste, reducing defence supply chain dependency on virgin materials. NIF-backed.