– Tailored support to consolidate your business
– Special access to VINCI decision-makers
– A network conducive to the development of your activity (mentors, experts)
– The opportunity to build a long-term partnership with VINCI
CATALYST Program
We help mature startups carry out their projects by giving them the resources they need to deploy innovative services and products in partnership with our Business Units.

Benefits of the program
- 40
- projects supported
- 3.5
- million turnover with the VINCI group
- 95
- contracts signed with VINCI businesses
News

Applications for the 2026 cohort of the SEED program are now open!
Are you the co-founder of an early-stage or pre-seed startup in construction, real estate, mobility or energy? SEED, the startup acceleration program powered by Leonard is now accepting applications for its 2026 cohort. You have until October 3, 2025, to apply.
Leonard and its partners kick off the 9th Construction Startup Competition
Leonard and eight other construction industry leaders launch the 9th edition of the Construction Startup Competition, the world's largest competition dedicated to construction start-ups. Applications are open until June 22, 2025.