4Links

4Links is a UK-based SME (small and medium-enterprise) specialising in test and development equipment for onboard satellite communication systems. A trusted supplier to global space agencies, aerospace companies and research institutions – its technology supports mission-critical projects worldwide.​

Founded in 2000, 4Links has helped shape modern space communications. Its founder contributed to the European Space Agency’s SpaceWire standard, now used on more than 100 satellites. As space systems grow in complexity, 4Links continues to deliver future-ready tools and solutions, investing in new technologies and expanding its portfolio. 4Links remains committed to providing high-quality, dependable solutions enabling customers to build, test and achieve successful space missions.