Vienna — Over the past decade, Vienna has quietly transformed itself into one of Central Europe’s most reliable startup and investment hubs. While Berlin and London often dominate headlines, Austria’s capital has built something different: a stable, well-connected, and increasingly international investor ecosystem that supports founders from the earliest idea stage through global expansion. Vienna’s investors are known for long-term thinking, hands-on support, and a strong focus on sustainable growth rather than hype. From heavyweight venture capital firms to specialised science investors and influential angel networks, these are the Top 10 Investors in Vienna shaping the city’s entrepreneurial future.
1. Speedinvest – Vienna’s Global Venture Capital Flagship
Speedinvest is, without question, Vienna’s most internationally recognised venture capital firm. What began as a local fund has grown into one of Europe’s most active early-stage investors, backing hundreds of startups across fintech, health tech, deep tech, marketplaces, and climate innovation. Speedinvest is known for its operational support model, offering founders access to in-house experts in growth, product, and hiring, a major advantage for young companies navigating their first scaling phase.
Focus: Pre-seed to Series B
Known for: High activity, strong founder support, European reach
2. aws Gründerfonds – The Backbone of Austria’s Startup Financing
The aws Gründerfonds plays a unique and vital role in Vienna’s ecosystem. Backed by the Austrian government, it co-invests alongside private investors to strengthen promising startups and reduce early-stage risk. Its involvement often serves as a seal of credibility, helping founders attract additional capital and institutional partners.
Focus: Late seed and Series A
Known for: Stability, long-term vision, local market expertise
3. UNIQA Ventures – Where Corporate Strength Meets Innovation
UNIQA Ventures is the corporate venture arm of UNIQA Insurance Group and brings strategic depth to Vienna’s investment landscape. Rather than acting as a passive investor, UNIQA Ventures offers startups direct access to enterprise infrastructure, customers, and industry know-how. This makes it particularly attractive for founders building solutions in regulated or complex markets.
Focus: Insurtech, health tech, fintech, mobility
Known for: Strategic partnerships and industry access
4. 3VC – Scaling Tech Companies Beyond Borders
3VC is a Vienna-based venture capital firm with a sharp focus on ambitious technology startups in the DACH and CEE regions. The firm typically steps in once companies show clear traction and helps them scale internationally. Its concentrated portfolio approach allows for deep involvement with founders.
Focus: Series A and early growth
Known for: Strong regional networks and scaling expertise
5. Calm/Storm Ventures – Early Believers with a Human Touch
Calm/Storm Ventures is a boutique fund with a strong emphasis on people, not just products. It invests early, often when ideas are still forming, and supports founders building technologies around health, wellbeing, and meaningful digital experiences. Its hands-on style and accessibility make it especially popular among first-time founders.
Focus: Pre-seed and seed
Known for: Founder-centric approach and early trust
6. PUSH Ventures – From First Funding to Real Growth
PUSH Ventures operates at the intersection of early and growth-stage investing. Based in Vienna, the fund looks for startups with clear product-market fit and the ambition to grow beyond their home market. Its team actively supports strategic decisions, fundraising preparation, and market expansion.
Focus: Pre-seed to Series B
Known for: Flexible investment strategy and mentorship
7. xista science ventures – Backing Science That Matters
xista science ventures focus on areas many investors avoid due to complexity: biotech, climate tech, and research-driven deep tech. Working closely with universities and research institutions, xista supports startups turning scientific breakthroughs into commercial solutions.
Focus: Seed and early growth
Known for: Deep tech expertise and long-term impact
8. Gateway Ventures – Disciplined Seed-Stage Investing
Gateway Ventures is known for its selective approach to early-stage investing. The firm backs startups in ecommerce, food innovation, and climate-focused business models, combining financial discipline with community engagement.
Focus: Seed stage
Known for: Rigorous selection and sustainable growth mindset
9. Danube Angels – Opening the Door to Angel Capital
Danube Angels is one of Vienna’s most influential angel investment networks. It connects startups with experienced entrepreneurs, executives, and private investors who contribute not only capital but also industry insight. For many founders, Danube Angels serves as a first serious step into the investment world.
Focus: Early-stage startups
Known for: Strong angel community and mentoring
10. European Super Angels Club – High-Level Capital, Pan-European Reach
The European Super Angels Club brings together high-net-worth individuals, family offices, and corporate investors to co-invest in early-stage ventures. With Vienna as one of its key hubs, the network offers founders access to significant capital and cross-border expertise.
Focus: Seed and Series A
Known for: Elite investor access and international reach
Why Vienna’s Investor Scene Continues to Grow
Vienna offers something increasingly rare in today’s startup world: patience. Investors here tend to value solid business models, sustainable growth, and long-term impact over short-term hype. Combined with political stability, strong universities, and access to both Western and Eastern European markets, the city has become a serious contender on the European investment map. For founders looking to build enduring companies, not just fast exits, Vienna’s investor ecosystem may be one of Europe’s best-kept secrets.