Start Ventures (formerly BiG Start Ventures) is a Lisbon-based venture capital firm managed by Onetier Partners SCR, S.A., investing globally in early-stage B2B startups in fintech, insurtech, regtech, and cybersecurity.
Their most common stage is seed (80% of deals). Average disclosed round size is $1.2M (across 8 rounds with reported amounts).
Portfolio
10
Fund Size
—
Top Stage
Seed
Last 12 Mo
0
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
10 investments
Top Co-Investors
Y Combinator7 shared
SV Angel3 shared
General Catalyst2 shared
Ignition Partners2 shared
Flying Fish1 shared
Ironfire Ventures1 shared
Arbor Ventures1 shared
Betaworks1 shared
Portland Seed Fund1 shared
Oregon Venture Fund1 shared
Explorer Investments1 shared
Portfolio Ventures1 shared
Love Ventures1 shared
Fuel Ventures1 shared
Exceptional Capital1 shared
Quest Ventures1 shared
Maverick Ventures1 shared
Rakuten Capital1 shared
New Enterprise Associates1 shared
Clearstone Venture Partners1 shared
Last updated: 9 September 2026