Mantle8
33 employees on LinkedIn · 6 known investors
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Mantle8 is a natural hydrogen exploration company developing proprietary geoscience technology—including its GeoLogix prospect-generation algorithm and HOREX multiphysics imaging—to locate and quantify naturally occurring hydrogen resources. It aims to produce commercially viable natural hydrogen as a fuel for industrial applications, building on geological research originally conducted at its predecessor consultancy M&U.
Founders & leadership
Investors · 6
How we know: the company's own site · a partner's Signal profile · techfundingnews.com · Not right? Tell us
How we know: Kiko Ventures's portfolio page · the company's own site · Not right? Tell us
How we know: Sandwater's portfolio page · funding news · Not right? Tell us
Funding
SEC filings, press & company announcements- Undisclosed amountSeries AMay 2026 · 6 sourcesSource ↗
Source: company announcements and press reports — follow each round's link for the claim.
In the news
Frequently asked questions
- What does Mantle8 do?
- Mantle8 is a natural hydrogen exploration company developing proprietary geoscience technology—including its GeoLogix prospect-generation algorithm and HOREX multiphysics imaging—to locate and quantify naturally occurring hydrogen resources. It aims to produce commercially viable natural hydrogen as a fuel for industrial applications, building on geological research originally conducted at its predecessor consultancy M&U.
- Who founded Mantle8?
- Mantle8 was founded by Emmanuel Masini, Emmanuel Masini (Manu).
- Who are Mantle8's investors?
- Mantle8's investors include Breakthrough Energy Ventures, Kiko Ventures, Sandwater, Wind Venture, Bpifrance, IP Group.




