Founder Stories & Startup Breakthroughs
Real-world insights from the entrepreneurial frontline. We share challenges, victories, and actionable strategies for building successful ventures.
Startup Funding Stages Explained: From Pre-Seed to IPO
2025–2026 figures from Dealroom, Crunchbase, PitchBook, Atomico, and Carta: cheque sizes, dilution, and conversion rates.
Best Fundraising CRM Tools for Pre-Seed Startups in 2026
Onefive, Visible, Foundersuite, and OpenVC: August 2026 pricing, datarooms, and what changed since the 2025 roundups.
Funding a startup in France: what actually exists in 2026
Bourse French Tech, the JEI status after its reform, R&D tax credit, and investors. Figures checked against Bpifrance, service-public.fr, BOSS and BOFiP.
How to keep control of your startup without owning the majority
Zuckerberg owns about 13 % of Meta and a majority of its voting power. The four mechanisms behind that gap, and what actually transfers to a European startup.
Yannis Coulibaly
What an investor really looks at in your dataroom
Your deck gets you the meeting. Your dataroom closes the round — or kills it. Structure, access control, and the one detail most founders skip.
Yannis CoulibalyL’écosystème connecté pour construire sa startup
Onefive n'est pas un réseau social de plus. Découvrez l'écosystème connecté qui centralise votre réseau, dataroom et outils pour bâtir votre startup.
Yannis Coulibaly
