From idea to
funded startup.
Zero to One is a 12-week accelerator for pre-seed founders. We invest €500K, open our network, and help you build the company you imagined.
500 k€
Invested per startup
120+
Portfolio companies
2,1 Md€
Combined valuation
84%
Follow-on rate
Portfolio
Companies we've backed
Flux AI
AI/ML
W23
Raised$4.2M
Vanta Pay
Fintech
S23
Raised$8.1M
NeuraStack
Developer Tools
W23
Raised$3.5M
Clio Health
HealthTech
S22
Raised$6.8M
Arco Climate
CleanTech
W22
Raised$12M
Forma Studio
Design Tools
S23
Raised$2.9M
The Program
12 weeks. Zero fluff.
A structured sprint from idea validation to Series A readiness. Every week has a purpose.
Phase 1
Weeks 1–4
Foundation
- Problem-market fit validation
- User interview sprints (50 interviews)
- ICP definition workshop
- Revenue model architecture
Phase 2
Weeks 5–8
Build & Validate
- MVP development sprints
- First paying customers
- Retention and NPS tracking
- Growth loop identification
Phase 3
Weeks 9–12
Scale & Raise
- Series A deck preparation
- Investor introductions (200+)
- Pitch coaching with GPs
- Demo Day (500 attendees)
What you get
More than capital.
We built Zero to One because we know what founders actually need. Not just money — but the right introductions, the hard feedback, and the community that keeps you going.
500 k€ investis
No strings, no advisor shares, no board seat required.
120+ mentor network
Des dirigeants qui ont bâti des entreprises à plus de 100 M€.
Investor warm intros
200+ VCs and angels at Demo Day. Warm intros to the right ones.
Lifetime alumni access
Perks, events, and co-founder matching — forever.
Next Demo Day
14 mars 2027 · Paris
500 attendees
Mentors
Learn from the best.
Sarah Chen
Partner @ Sequoia
Growth
Marcus Reid
Founder @ Linear
ProductPriya Nair
CTO @ Stripe
Engineering
Tom Brandt
GP @ a16z
GTMFAQ
Common questions
How much equity do you take?
Is the program remote or in-person?
What stage do you invest at?
When is the next application deadline?
Apply Now
Build something
that matters.
Applications for Cohort W24 are open. 20 companies selected. We read every application.
Date limite : 15 novembre 2026 · Réponses le 1er décembre
