OTB Ventures is a venture capital firm. Based in Amsterdam, North Holland, Netherlands. Among the 31 companies in the known portfolio are ICEYE, ATMOS Space Cargo, Hydrosat, FintechOS, Fractory and Apheris.
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Investment focus
Contacts
Who to pitch at OTB Ventures
OTB Ventures portfolio companies (31)
- ICEYE
- ATMOS Space Cargo
- Hydrosat
- FintechOS
- Fractory
- Apheris
- SEMRON
- Tytan Technologies
- SPREAD AI
- akirolabs
- ClearSpace
- Settlemint
- Synthara
- Waiv
- Cosmose
- Ondato
- Silent Eight
- Turnkey Lender
- Ingenix
- Kurs Orbital
- MatrixSpace
- Spaceknow
- Twentyfour Industries
- kevin.
- Veridion
- KYP.AI
- Safe Intelligence
- Scalarr
- Segron
- Soter Analytics
- Timeseer
Co-investors
Funds that share portfolio companies with OTB Ventures.
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About OTB Ventures
The firm's listing covers sectors AI, FinTech, Hardware and SaaS, and focus areas Aerospace, Analytics, Asset Management and Communications Infrastructure; known deals cluster at Seed, Series A and Series B.
The team counts 8 people in our database. Marcin Hejka (Co-Founder & General Partner) and Adam Niewinski (Co-Founder & Managing Partner) are shown as the contacts to pitch.
Across the known portfolio, 20 co-investors appear alongside OTB Ventures, including European Investment Fund (EIF), Lakestar and IQT.
Frequently asked questions
What is OTB Ventures?
OTB Ventures is a venture capital firm based in Amsterdam, North Holland, Netherlands, with a known portfolio of 31 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 OTB Ventures invest in?
Listed sectors include AI, FinTech, Hardware and SaaS; listed focus areas include Aerospace, Analytics, Asset Management and Communications Infrastructure. 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 OTB Ventures invest at?
The known deals of OTB Ventures 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 OTB Ventures?
2 of the 8 people on file at OTB Ventures are listed as contacts for the firm. All 8 have their own profile page.
How do I contact OTB Ventures?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 8 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