Cailabs
Optical Ground Systems for Laser Communications
Rennes, France · Founded 2013 · $104.8M raised
- Headquarters
- Rennes
- Founded
- 2013
- Business Model
- B2B
- Website
- cailabs.com
- Total Funding
- $104.8M
- Last Round
- $67.0M Venture RoundSep 2025
- Rounds
- 5
About
Cailabs designs and manufactures optical ground systems that make laser communications deployable at scale for satellite, defense, telecommunications, and industrial laser markets. Headquartered in Rennes, France, with additional operations in Paris and Washington D.C., the company engineers ground infrastructure built for real-world integration, remote operation, and scalable rollouts, moving optical communications beyond one-shot demonstrations toward routine, taskable, on-demand deployment.
Summary
Cailabs is a Deep Tech company based in Rennes, France, founded in 2013. It has raised $104.8M in total across 5 rounds, most recently a $67.0M Venture Round round in Sep 2025. Investors include European Investment Bank, NewSpace Capital and Supernova.
Tech & App Stack
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Funding History
Sep 2025
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Venture Round — per-round amounts, valuations, and who invested in each round.
Investors
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