Draper B1 is a seed and early-stage venture capital firm based in Valencia, Spain, formerly known as Bbooster Ventures. Part of the global Draper Venture Network, it invests in B2B and B2B2C technology startups with a focus on frontier tech including spacetech, AI, and blockchain.
Deal activity decreased year-over-year (1 deals in the last 12 months vs 3 prior). Their most common stage is seed (50% of deals). Average disclosed round size is $6.7M (across 6 rounds with reported amounts).
Portfolio
14
Fund Size
$34M
Top Stage
Seed
Last 12 Mo
2
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
16 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Arkadia | Seed | — | Jan 2026 |
 Dost | Series A | $7.3M | Nov 2025 |
 Imperia | Series A | $10.8M | Feb 2025 |
 8layers | Pre-Seed | — | Jan 2025 |
 Dcycle | Series A | — | Dec 2024 |
 Splight | Seed | $12M | Jul 2024 |
| Imperia | Seed | $3.3M | Mar 2024 |
 Mogul Club | Seed | $3.6M | Nov 2023 |
| Arkadia | Seed | $3M | Jan 2023 |
 Criptan | Unknown | — | — |
 Vidext | Seed | — | — |
 Spacebackend | Pre-Seed | — | — |
 Vixiees | Unknown | — | — |
 Recovo | Seed | — | — |
 GoKoan | Seed | — | — |
| BBaker | Series A | — | — |
Top Co-Investors
Samaipata3 shared
Angels Capital3 shared
Sabadell Venture Capital3 shared
Banco Sabadell3 shared
Acurio Ventures2 shared
Decelera Ventures2 shared
TQ Ventures1 shared
Octopus Ventures1 shared
Burda Principal Investments1 shared
Draper Cygnus1 shared
noa1 shared
Fen Ventures1 shared
EDP Ventures1 shared
InterVest1 shared
Blizzard Fund1 shared
Draper Associates1 shared
APY Ventures1 shared
Draper Dragon1 shared
Plug and Play Tech Center1 shared
4Founders Capital1 shared
Last updated: 8 September 2026