404 Ventures
Investor profile | Builders Republic
About
404 Ventures is an entrepreneur‑led, evergreen pre‑seed/seed fund founded by Mathieu Tarnus (Groupe Positive), backing Tech, SaaS, Deep Tech and Impact startups—primarily in France, with selective investments across Europe.
Key facts
- Type
- Family Office
- Stages
- Pre-Seed, Seed
- Sectors
- Agnostic, B2B, B2C, Consumer, Business management software, Marketplace, Software/SaaS, Vertical SaaS, Advertising/Media, Agritech, AI & Automation, Beauty/Fashion, Blockchain/Crypto, Data & Infrastructure, Cyber & Security, Defense, Education, Energy, Fintech & Insurtech, Foodtech, Gaming, Hospitality/Tourism/Travel, Future of work/HR, Industry & Manufacturing, Legaltech/Regtech, Logistics/Supply chain, Martech, Mobility & Transportation, Proptech/Construction, Retail/Future of Commerce, Digital health
- Headquarters
- France
- Offices
- Lille
- Geographic focus
- France,Europe
- Lead / Follow
- Follower
- Founded
- 2025
Track record
- Portfolio companies: 12
- Total investments: 14
- Exits: 2
Notable investments in France
Aive, Axeptio, Dood, Le Fourgon, Twicpics, Anybuddy