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Connectivity in Low Earth Orbit

Fund Name

UK Space Agency: Connectivity in Low Earth Orbit (C-LEO)



The UK Space Agency Connectivity in Low Earth Orbit (C-LEO) programme will provide up to £160 million of grant funding and contract awards over the next 4 years to UK companies and researchers to develop innovative satellite communications technology.

This first C-LEO call will provide up to £60 million in funding support over the next 4 years.

An online expression of interest (EoI) form should be completed by midday BST on Wednesday 8th May 2024. Applicants will be notified in mid-May, and the deadline for application submission will be the end of June.

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Fund details

The objective of the C-LEO programme is to future-proof the UK’s competitive edge in the high-value satellite communication sector by enabling its diversification into the high-growth and strategically important high-volume constellation market, including:

  • to accelerate the commercialisation and rapid industrialisation of key technologies and industry capabilities necessary for UK firms to meet demand for high-volume constellation production
  • to enable UK firms to secure a significant and sustained share of the high-value contracts due in the next 4 to 5 years that will drive the future sector supply chain
  • to develop the UK’s on-shore industrial capabilities in R&D-intensive activities of the constellation value chain
  • to catalyse private sector investment in the UK high-volume constellation sector by signalling the UK’s commitment to the long-term growth of the satellite communication sector


This funding will be targeted towards proposals for innovative satellite communication technology in the following five technology areas:

  • on-board (regenerative) processing (OBP)
  • active antennas
  • optical inter-satellite links (OISL)
  • networking and routing
  • user terminals (UT)

This funding will be targeted towards proposals with technology readiness levels (TRL) of between 4 and 6, with the aim being to raise the proposal to TRL 7 and above. By the end of the funded project, there must be a tangible improvement in the TRL of the technology or a demonstration of advancement in approach (engineering method, technical competence etc).

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