← BACK TO DIRECTORY
HS
FOUNDER-ENDORSED EU
Horizon Seed
European pre-seed and seed in dev tools, B2B AI, open source.
HQBerlin
STAGESPre-seed, Seed
PARTNERSLena Voss, Pieter de Groot
FOUNDER FAIRNESS SCORE
84/100
Across 47 verified term sheets
FUND SIZE (CURRENT)
$60M
Total AUM $140M
VALUE-ADD (FOUNDER-RATED)
88/100
TRACK RECORD
5 / 6
45% successful exits
DEALS IN DATABASE
47
2 written reports
BEST-KNOWN DEAL
Vellum AI · $2.5M seed · 2024
SIGNATURE PUSH
Standard YC SAFE — no asks
SIGNATURE WIN
Operator-led fund, hands-on with hiring and GTM
Recent flag patterns
What this firm pushes for, in their own term sheets.
CLEAN
YC post-money SAFE
100%
CLEAN
Information rights (light)
100%
CLEAN
Pro-rata (single round)
94%
Founder reports
SUBMIT YOUR REPORT → Verified founder voice. 2 reports.
Founder · Seed · 2025
89/100
"Cleanest paper I have ever signed. Decision in 5 days. Useful intros within 2 weeks."
Founder · Pre-seed · 2024
82/100
"No-drama partner. Real operator help on positioning and design partner intros."
Early access
Negotiating with Horizon Seed?.
Upload your term sheet. We'll show you exactly where they're pushing and the counter-language to send back.
247 founders on the waitlist · Beta access starts when we launch