Tech Company Financing Transactions
Mantle8 Funding Round
Mantle8 closed a $36 million Series A funding round on 5/13/2026. Investors included Sandwater, Bpifrance and Breakthrough Energy Ventures.
Transaction Overview
Company Name
Announced On
5/13/2026
Transaction Type
Venture Equity
Amount
$36,000,000
Round
Series A
Investors
Proceeds Purpose
The company intends to use the funds to execute a global exploration and drilling campaign over the next two years to locate, drill, and prove the commercial viability of high-purity natural hydrogen reservoirs.
Company Information
Company Status
Private & Independent
Industry
Manufacturing
Mailing Address
6 rue de Chamechaude, Bâtiment ACTIALP
Sassenage, 38360
France
Sassenage, 38360
France
Phone
Website
Email Address
Overview
We are a new generation of geologists leading the energy revolution by locating the Earth's naturally occurring hydrogen reservoirs. Using bottom-up exploration and decades of geology experience, we are on a mission to deliver natural hydrogen to the world.
Profile
Social Media
Company News
Facebook
YouTube
Management Team
Title
Name
Email & Social
Chief Executive Officer
Emmanuel Masini
VP - Administration
Aurian Durbuis
VP - R & D
Sébastien Chevrot
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We do our best to report on every notable VC transaction. VC transactions reported here are sourced from a variety of public sources. The information comes to us via our partnership with VentureDeal.com, an affiliated venture.
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