ROI Ventures
Overview
ROI Ventures is a Vienna-based angel investor group that invests in pre-seed and seed stage B2B-focused, technology-driven startups in Europe, with a focus on sectors including FinTech, Gaming, Education, and Proptech.
Investments
| Company | Date | Stage | Lead |
|---|---|---|---|
| Silo Team | Apr 2024 | Pre Seed | Co-investor |
| DPhi Space | Feb 2025 | Pre Seed | Co-investor |
| Shield Space | Jan 2026 | Seed | Co-investor |
| Stair Path AB | Apr 2024 | Pre Seed | Co-investor |
| Zyphe | Jul 2025 | Seed | - |
For institutional investors. Book with your work email.
Sector & Stage Mix
Industry, funding stage, and valuation band breakdowns.
FAQ
Where is ROI Ventures based?
ROI Ventures is headquartered in Vienna, Austria.
When was ROI Ventures founded?
ROI Ventures was founded in 2022.
How many portfolio companies does ROI Ventures have?
ROI Ventures has 7 portfolio companies in Caplight's dataset.
What are some companies in ROI Ventures's portfolio?
Portfolio companies visible on Caplight include Silo Team, DPhi Space, Shield Space, Stair Path AB, Zyphe.
What was ROI Ventures's most recent investment shown here?
ROI Ventures's most recent investment in this portfolio sample was in Shield Space in 2026.
What sectors does ROI Ventures focus on?
ROI Ventures focuses on Enterprise Software, Consumer & Commerce, Frontier & Industrial Tech, Frontier & Industrial Tech, FinTech, Enterprise Software, Consumer & Commerce, AI, Data & Cloud Infrastructure, Enterprise Software, AI, Data & Cloud Infrastructure, Cybersecurity, Enterprise Software, Cybersecurity.
What company stages does ROI Ventures focus on?
ROI Ventures typically invests at the Early stage.