3TS Capital Partners is a European technology-focused venture growth firm providing expansion capital to high-growth SMEs across Central and Eastern Europe. Founded in 1999 and headquartered in Vienna, the firm leads investment rounds of €5–20 million in software, tech-enabled services, and e-commerce companies.
Deal activity increased 200% year-over-year (3 deals in the last 12 months). Their most common stage is series-a (47% of deals). Average disclosed round size is $9.0M (across 6 rounds with reported amounts).
Portfolio
13
Fund Size
$120M
Top Stage
Series A
Last 12 Mo
3
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
15 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| BBOOKR Kids | Series A | — | Aug 2026 |
 Tiger Technology | Series A | — | Jul 2026 |
| SSybilla Technologies | Seed | — | Jun 2026 |
| Tiger Technology | Series A | $10M | Jan 2026 |
 Mavoco | Series A | — | Feb 2025 |
 Jentis | Series A | — | Nov 2023 |
 Boksi | Series A | — | Oct 2023 |
 Autenti | Series B | $4.5M | Jan 2022 |
 Entelo | Series B | $12M | Aug 2019 |
 SafeSize | Series B | $11.3M | Feb 2019 |
 ConveyIQ | Series A | $5.5M | Oct 2018 |
 Tresorit | Series B | — | Sep 2018 |
 Homecare.com | Unknown | $11M | — |
 Tosibox | Growth | — | — |
| Mavoco | Growth | — | — |
Top Co-Investors
StarVest Partners2 shared
SC Ventures2 shared
Endeavor2 shared
PortfoLion Capital Partners1 shared
U.S. Venture Partners1 shared
Menlo Ventures1 shared
Battery Ventures1 shared
Shasta Ventures1 shared
Coinvest Capital1 shared
Boston Harbor Angels1 shared
Rittenhouse Ventures1 shared
Innovation Nest1 shared
BNP Paribas1 shared
Bright Pixel Capital1 shared
Maryland Venture Fund1 shared
Blue Heron Capital1 shared
Access Venture Partners1 shared
Epic Angels1 shared
Vinci1 shared
Moveon Technologies1 shared
Last updated: 7 October 2026