Mantle8 raised €31M in a Series A round in May 2026. The company is based in Paris, France. Investors in the round: Breakthrough Energy Ventures, Calderion, Ecotechnologies 2 fund and 3 others. Data as of 7 Aug 2026.
Reported in EUR — no conversion. €31M
Confidence is the weaker of amount-FX and source evidence (the cascade rule). See methodology.
