O3 Partners is a venture capital firm. Based in Rotterdam, South Holland, Netherlands. Known portfolio companies include BitNinja.io, BitNinja, Blue Colibri, Gloster Infokommunikációs Nyrt., Gravity R&D and Iconicchain, 10 companies in all.
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Investment focus
- Sector
- AIHealthcareSaaS
- Focus
- CybersecurityData AnalyticsDigital HealthEnterprise SaaSMachine Learning
Contacts
Who to pitch at O3 Partners
O3 Partners portfolio companies (10)
- BitNinja.io
- BitNinja
- Blue Colibri
- Gloster Infokommunikációs Nyrt.
- Gravity R&D
- Iconicchain
- Indivizo
- Noah House
- Omnicoach
- zMed
Co-investors
Funds that share portfolio companies with O3 Partners.
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About O3 Partners
The firm's listing covers sectors AI, Healthcare and SaaS, and focus areas Cybersecurity, Data Analytics, Digital Health and Enterprise SaaS; known deals cluster at Late-Stage, Seed and Series A.
The team counts 5 people in our database. Peter Oszkó (Founder & Managing Partner) and HK Noh (Investment Manager) are shown as the contacts to pitch.
Across the known portfolio, 3 co-investors appear alongside O3 Partners, including iEurope Capital, Széchenyi Capital Fund Management and Bonitás Ventures.
Frequently asked questions
What is O3 Partners?
O3 Partners is a venture capital firm based in Rotterdam, South Holland, Netherlands, with a known portfolio of 10 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 O3 Partners invest in?
Listed sectors include AI, Healthcare and SaaS; listed focus areas include Cybersecurity, Data Analytics, Digital Health and Enterprise SaaS. 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 O3 Partners invest at?
The known deals of O3 Partners include Late-Stage, 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 O3 Partners?
2 of the 5 people on file at O3 Partners are listed as contacts for the firm. All 5 have their own profile page.
How do I contact O3 Partners?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 5 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