Page updated: 15 Mar 2026
Geostock SAS
Rueil-Malmaison, FR·Reg. FR84434023032·Rank 32
Geostock SAS is an SME based in Rueil-Malmaison, France, specializing in hydrogen technology and electrolyzer solutions. The company participates in the EU Horizon Europe programme, focusing on hydrogen supply chain and green energy infrastructure development.
Company Overview
The company is based in Rueil-Malmaison, France. Registered with INSEE/SIRENE under number FR84434023032. Active in hydrogen energy and electrolyzer manufacturing within the French industrial market.
Market Context
France's national hydrogen strategy allocates €9 billion to develop a domestic green hydrogen industry by 2030.
Company Details
| Company Name | Geostock SAS |
| Location | Rueil-Malmaison |
| Country | 🇫🇷 France |
| Registration No. | FR84434023032 |
| Website | www.geostock.fr |
| Sector | Hydrogen Supply Chain & Infrastructure |
About This Listing
Geostock SAS is included in this directory because it is registered as an active business in the France commercial register, classified under hydrogen energy based on business activity, and maintains an active company website.
Information on this page is compiled from public business registers and industry databases. If you represent this company and would like to update or expand this listing, use the "Claim Listing" option.
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