
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 increased 50% year-over-year (3 deals in the last 12 months). Their most common stage is seed (45% of deals). Average disclosed round size is $5.1M (across 6 rounds with reported amounts).
Portfolio
20
Fund Size
$34M
Top Stage
Seed
Last 12 Mo
3
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
22 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| EEleva | Pre-Seed | $578K | Jul 2026 |
| EEleva AI | Pre-Seed | $578K | Jul 2026 |
| Seed | — | Jan 2026 | |
| Pre-Seed | — | Jan 2026 | |
| Series A | — | Nov 2025 | |
| Series A | $10.8M | Feb 2025 | |
| Pre-Seed | — | Jan 2025 | |
| Series A | — | Dec 2024 | |
| Seed | $12M | Jul 2024 | |
| Seed | $3.3M | Mar 2024 | |
| Seed | $3.6M | Nov 2023 | |
| AArkadia Space | Seed | — | Jan 2023 |
| Unknown | — | — | |
| Seed | — | — | |
| Pre-Seed | — | — | |
| Unknown | — | — | |
| Seed | — | — | |
| Seed | — | — | |
| BBaker | Series A | — | — |
| Bbcount | Seed | — | — |
| Series A | — | — | |
| Seed | — | — |
Top Co-Investors
Angels Capital4 shared
Samaipata3 shared
Sabadell Venture Capital3 shared
TQ Ventures2 shared
Eoniq.fund2 shared
Octopus Ventures2 shared
Acurio Ventures2 shared
Draper Associates2 shared
Banco Sabadell2 shared
Decelera Ventures2 shared
Encomenda2 shared
Burda Principal Investments1 shared
Draper Cygnus1 shared
noa1 shared
Fen Ventures1 shared
EDP Ventures1 shared
InterVest1 shared
Blizzard Fund1 shared
APY Ventures1 shared
Draper Dragon1 shared
Last updated: 20 October 2026