J12 is a venture capital firm. Based in Stockholm, Sweden. The known portfolio counts 9 companies, including Verda, Ostrom, Validio, Pistachio, Jeff and Galdera Labs.
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Investment focus
Who to pitch at J12
J12 portfolio companies (9)
- Verda
- Ostrom
- Validio
- Pistachio
- Jeff
- Galdera Labs
- IPercept
- Kovant
- Spaak Technologies
Co-investors
Funds that share portfolio companies with J12.
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About J12
The firm's listing covers sectors AI and SaaS, and focus areas AI Applications, API, Data Analytics and Data Engineering; known deals cluster at Pre-Seed, Seed and Series A.
Of the 6 people on file at J12, Bo Mattsson (Founding Partner) and Emmet King (Founding Partner) are listed as the contacts to approach first.
Across the known portfolio, 20 co-investors appear alongside J12, including Adjacent, Forstrom and Greens Ventures.
Frequently asked questions
What is J12?
J12 is a venture capital firm based in Stockholm, Sweden, with a known portfolio of 9 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 J12 invest in?
Listed sectors include AI and SaaS; listed focus areas include AI Applications, API, Data Analytics and Data Engineering. 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 J12 invest at?
The known deals of J12 include Pre-Seed, Seed and Series A 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 J12?
2 of the 6 people on file at J12 are listed as contacts for the firm. All 6 have their own profile page.
How do I contact J12?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 6 people attached to the firm have their own pages, each showing 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