4Links
4links.spaceBletchley-based supplier of SpaceWire test, measurement, and IP solutions for ground and in-flight use.
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Components & Subsystems
Antennas, RF, optics, electronics, materials, structures, on-board software, and engineering tools.
43 companies
43of 127
43 of 127 companies
Components & Subsystems
43shown
Antennas, RF, optics, electronics, materials, structures, on-board software, and engineering tools.
AccelerComm
accelercomm.comSouthampton spinout supplying high-performance 5G/6G physical-layer IP for non-terrestrial networks.
AdaCore
adacore.comSupplier of Ada and SPARK development tools, compilers, and qualified runtimes for mission-critical space and avionics software.
Aerospace Corporation UK
aerospace.orgSalford-based provider of impartial technical advisory and programme management support to the UK space enterprise across research, design, acquisition, and operations.
ALL.SPACE
all.spaceReading-based maker of multi-orbit, multi-band satellite communications terminals (Hydra range); formerly Isotropic Systems.
Alpha 3 Manufacturing
alpha3manufacturing.comScunthorpe-based manufacturer of cable assemblies and Cryonnect cryogenic interconnects for flight and ground observation applications.
Alpha Data
alpha-data.comEdinburgh-based provider of FPGA-based boards and systems for computer-intensive applications including space payloads and signal processing.
APC Technology Group
apcplc.comDistributor of specialist electronic components, products, and systems for aerospace, space, military, and defence applications.
Archangel Lightworks
archangel.worksOxford-based developer of optical communication terminals for space-to-space and space-to-ground laser links.
Astro42
astro42.comPreston-based custom software house for the space industry, building satellite thermal mapping tools, mission control dashboards, CubeSat operations software, and ML for Earth observation.
Astrostructures
astrostructures.comMechanical and thermal engineering partner for space hardware, with flight heritage on ESA Euclid VIS, PLATO N-FEE, ExoMars, SMILE, and Comet Interceptor.
AVS
a-v-s.esDesigner and developer of complex critical equipment for Big Science and space markets, with a UK subsidiary at Westcott.
aXenic
axenic.co.ukSedgefield-based designer and manufacturer of optical modulators for satellite and aerospace communications.
Axis Electronics
axis-electronics.comBedford-based printed circuit board and electronic system assembly specialist supplying LEO satellite operators.
Bright Ascension
brightascension.comEdinburgh-based developer of off-the-shelf, component-based flight and ground software for satellite mission development and operations.
Bumblebee Power
bumblebeepower.comImperial College London spinout developing high-frequency inductive wireless power transfer systems for lunar and in-space applications.
Cobham Satcom
cobham-satcom.comDefence and space manufacturer supplying RF, microwave, and satellite communications subsystems and antennas.
Craft Prospect
craftprospect.comGlasgow-based space engineering practice delivering mission-enabling products and small satellite missions, with a focus on AI and quantum payloads.
ESR Technology
esrtechnology.comWarrington-based tribology specialist (friction, wear, and lubrication) operating the European Space Tribology Laboratory for ESA.
Flann Microwave
flann.comCornwall-based designer and manufacturer of antennas, precision microwave components, and test equipment.
iCOMAT
icomat.co.ukBristol-based manufacturer of automated production equipment for advanced carbon-fibre composite parts used in space and aerospace structures.
Jacarem
jacarem.co.ukChesham-based supplier of hermetically sealed feedthroughs, vacuum flanges, and D-sub connectors for space and high-vacuum applications, qualified to ESA/ESCC-3401.
Maya HTT
mayahtt.comUK arm of a Canadian engineering-software firm authoring Simcenter 3D Space Systems Thermal and distributing Siemens digital-simulation tools for satellite and launcher design.
Micross
micross.comNorwich-based UK arm of a global provider of semiconductor die and wafer processing, packaging, test, and development for aerospace, defence, and harsh environments.
MVP Aerospace
mvpaerospace.comGlasgow-based designer of low-cost satellite subsystems, including the KissCAM miniature engineering camera, star trackers, and Ethernet streaming video.
Opteran
opteran.comSheffield-based natural-intelligence AI company providing autonomy software for robotics and spacecraft.
Oxford Dynamics
oxdynamics.comDidcot-based developer of AI tools for defence and space that process sensor and intelligence data in a more human-like way.
Oxford Space Systems
oxford.spaceHarwell-based designer of deployable antennas and structures built from proprietary composite materials for small satellites.
Perpetual Atomics
perpetualatomics.comUniversity of Leicester spinout building americium-241 radioisotope power systems — RHUs, RTGs, and Stirling generators — for deep-space missions.
Plextek
plextek.comCambridge-based RF and mmWave radar engineering consultancy, including rendezvous and proximity operations radar for in-orbit servicing missions.
QinetiQ
qinetiq.comFarnborough-headquartered provider of technology-based services and solutions across defence, security, and space, including PNT, space domain awareness, and in-orbit experimentation.
Ramon.Space UK
ramon.spaceSurrey-based UK arm developing radiation-hardened, AI-capable computing systems for spacecraft.
Roke
roke.co.ukRomsey-based science and engineering company providing sensors, communications, and signal-processing technology for commercial, defence, and space customers.
Rolls-Royce
rolls-royce.comDerby-based developer of a space micro-reactor providing nuclear power for lunar surface and in-space applications.
SmartIR
smartir.co.ukManchester spinout developing a flexible, lightweight, switchable graphene-based tile system for spacecraft thermal control.
Sofant Technologies
sofant.comEdinburgh-based developer of smart antennas and tunable RF MEMS solutions for satellite communications terminals.
SPHEREA
spherea.comSupplier of modular test solutions for the lifecycle of electronic, microwave, optronic, and mechatronic systems.
Spirent
spirent.comAutomated test and assurance solutions for networks, cybersecurity, and positioning, navigation, and timing systems.
Spur Electron
spurelectron.comHavant-based provider of EEE component services and PCB assembly to ESA space standards.
STAR-Dundee
star-dundee.comDundee-based supplier of SpaceWire and SpaceFibre products, IP, and test equipment for on-board spacecraft data handling.
Teledyne
teledynedefence.co.ukDesigner and manufacturer of microwave components, sub-systems, and space imaging sensors, including the Chelmsford-based Teledyne e2v.
Telespazio UK
telespazio.co.ukLuton-based provider of space applications and services, including satellite operations, Earth observation data platforms, and consulting and engineering services.
Vantablack
www.vantablack.co.ukDeveloper of Vantablack super-black coatings used in deep-space imaging, Earth observation, and satellite navigation instruments.