Alfa8 is a family office. The one team member on file is in United Kingdom. The known portfolio counts 4 companies, including Hive, GA Drilling, Sage Geosystems and Ignis H2 Energy.
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Investment focus
- Focus
- Clean EnergyDeepTechDrilling TechGeothermalHydrogenSensorsSustainability
Who to pitch at Alfa8
Alfa8 portfolio companies (4)
- Hive
- GA Drilling
- Sage Geosystems
- Ignis H2 Energy
Co-investors
Funds that share portfolio companies with Alfa8.
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About Alfa8
The firm's listing covers sectors Climate and Hardware, and focus areas Clean Energy, DeepTech, Drilling Tech and Geothermal; known deals cluster at Seed, Series A and Series B.
The contact to approach at Alfa8 is Nicholas Rubens (Investor).
Alfa8 shares portfolio companies with 20 other investment firms, among them Geolog International, Tomales Bay Capital and IPM Group.
Frequently asked questions
What is Alfa8?
Alfa8 is a family office whose one person on file is in United Kingdom, with a known portfolio of 4 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Alfa8 invest in?
Listed sectors include Climate and Hardware; listed focus areas include Clean Energy, DeepTech, Drilling Tech and Geothermal. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Alfa8 invest at?
The known deals of Alfa8 include Seed, Series A and Series B rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Alfa8?
One person at Alfa8 is on file, listed as a contact for the firm, with their own profile page.
How do I contact Alfa8?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The one person attached to the firm has their own page, which shows whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal