Mantle8 develops natural hydrogen exploration technology focused on identifying and evaluating underground hydrogen reservoirs.
Mantle8 has raised $36.4M in total funding. The most recent round was Series A. The last funding was announced in May 2026.
Mantle8's investors include Bpifrance, Breakthrough Energy Ventures, IP Group, Wind, Sandwater.
Mantle8 is headquartered in Sassenage, France.
Mantle8 develops natural hydrogen exploration technology focused on identifying and evaluating underground hydrogen reservoirs.
Mantle8 is at the Series A stage.
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"Mantle8 — Funding & Investors." VCBacked, May 13, 2026, https://www.vcbacked.co/company/mantle8. Accessed August 30, 2026.
VCBacked. (2026). Mantle8 — Funding & Investors. Retrieved August 30, 2026, from https://www.vcbacked.co/company/mantle8
{{cite web |title=Mantle8 — Funding & Investors |url=https://www.vcbacked.co/company/mantle8 |website=VCBacked |access-date=August 30, 2026}}Profile data sourced and verified per the VCbacked methodology · Last funding round dated