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
- Ticket size
- 0.1M€ – 0.2M€
- Founded
- 2025
Track record
- Portfolio companies: 12
- Total investments: 14
- Exits: 2
Notable investments in France
Aive, Axeptio, Dood, Le Fourgon, Twicpics, Anybuddy
Key differentiators
Family Office,Evergreen,Entrepreneurial DNA,Small Team / Agile