Mantle8

Sassenage, France

Mantle8 develops natural hydrogen exploration technology focused on identifying and evaluating underground hydrogen reservoirs.

$36.4M raised

May 2026

Series A

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How much funding has Mantle8 raised?

Mantle8 has raised $36.4M in total funding. The most recent round was Series A. The last funding was announced in May 2026.

Who are Mantle8's investors?

Mantle8's investors include Bpifrance, Breakthrough Energy Ventures, IP Group, Wind, Sandwater.

Where is Mantle8 headquartered?

Mantle8 is headquartered in Sassenage, France.

What does Mantle8 do?

Mantle8 develops natural hydrogen exploration technology focused on identifying and evaluating underground hydrogen reservoirs.

What stage is Mantle8 at?

Mantle8 is at the Series A stage.

Cite this page

Free to use in articles, research, and reference works. Stable URL — will not change. Data on this page last updated May 13, 2026.

MLA

"Mantle8 — Funding & Investors." VCBacked, May 13, 2026, https://www.vcbacked.co/company/mantle8. Accessed July 16, 2026.

APA

VCBacked. (2026). Mantle8 — Funding & Investors. Retrieved July 16, 2026, from https://www.vcbacked.co/company/mantle8

Wikipedia (cite web)

{{cite web |title=Mantle8 — Funding & Investors |url=https://www.vcbacked.co/company/mantle8 |website=VCBacked |access-date=July 16, 2026}}

Profile data sourced and verified per the VCBacked methodology. Last funding round dated May 13, 2026.