45-8 Energy
Agent21Agent Readiness: 21/100. Bottom 25%. Measured by StartupHub.ai. Median 41.Trust69Data Trust: 69/100. Above median. Measured by StartupHub.ai. Median 61.First European company dedicated to exploration and production of natural hydrogen and helium from subsurface reservoirs.
About
45-8 Energy is a French deep-tech company pioneering the eco-friendly exploration and production of natural hydrogen and helium in Europe and the United States. Founded in 2017 in Metz, France, the company is the leading producer of helium in France and is advancing natural hydrogen as a low-carbon, locally sourced energy resource. Their projects span France, the Balkans, and the US (Kansas, Iowa), with investors including Bpifrance and TotalEnergies.
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Key facts
- Website
- 458energy.com
- Headquarters
- Metz, France
- Founded
- 2017
- Employees
- 31
- Business model
- B2B
Tech stack
Detected on 458energy.com, last scanned 18 Oct 2026. Run your own scan
- Email provider
- Microsoft 365
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Frequently asked
What does 45-8 Energy do?
In 2026, Ad Terra acquired a majority stake to expand their subsurface sovereignty mission.
Is 45-8 Energy trustworthy and reputable?
StartupHub's Data Trust & Reputation score for 45-8 Energy is 69 out of 100, a generally safe rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How many employees does 45-8 Energy have?
45-8 Energy has approximately 31 people on record.
SEC filings, insider activity, nonprofit links and pay benchmarks for 45-8 Energy:
Company details: from public sources. Funding: no announced round on file. Ownership: not yet claimed by the company. Scores: measured by named tools; each links to its method. Our rules
