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 October 13, 2026.
VCBacked. (2026). Mantle8 — Funding & Investors. Retrieved October 13, 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=October 13, 2026}}Profile data sourced and verified per the VCbacked methodology · Last funding round dated