Cailabs
Optical Ground Systems for Laser Communications
Cailabs was founded in 2013, is headquartered in Rennes, France, lists 201–500 employees, and has $104.8M in recorded funding across 5 rounds.
- Headquarters
- Rennes
- Employees
- 201–500
- Founded
- 2013
- Business Model
- B2B
- Website
- cailabs.com
- Total Funding
- $104.8M
- Last Round
- Venture RoundSep 2025
- Rounds
- 5
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 5 funding rounds and 3 investors for this company. The full record is or through the API.
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 lists 201–500 employees. It has raised $104.8M in total across 5 rounds, most recently a Venture Round in Sep 2025. Investors include European Investment Bank, NewSpace Capital and Supernova.
Tech & App Stack
5 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
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Funding History
Sep 2025
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Funding: Venture Round. Amounts, valuations, and investors where available.
Investors
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