About 4Links
4Links is a UK based engineering company and test equipment manufacturer specialising in spacecraft communications. We are a trusted supplier to global space agencies, aerospace companies, research institutions and mission-critical projects – our technology is utilised worldwide.
Our technical excellence – created for engineers by engineers
4Links provides a comprehensive suite of tools and solutions to support the development, testing, and monitoring of spacecraft data systems. We offer a wide range of high quality and reliable products, including hardware and software solutions along with first-class integration and technical support services.
Our heritage & relevance
Founded in 2000, 4Links has played a key role in shaping modern space communication. Our founder contributed to the development of the European Space Agency’s SpaceWire standard — a spacecraft onboard network technology now used on over 100 satellites worldwide.
As space systems grow in complexity and scale, 4Links remains at the forefront, delivering future-ready tools and solutions that meet the demands of the next-generation. We continue to invest in new technologies, expand our product portfolio and support the adoption of evolving standards.
Our commitment remains the same: to provide high quality, dependable solutions that help our customers to build, test, and achieve their goals with confidence — supporting the success of critical space missions and projects today and into the future.