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.
- 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
Our business areas
The projects we support cover four major verticals to help meet the challenges facing tomorrow's cities and infrastructure.
They are part of the program
Focus on the startups supported by the CATALYST program.Discover all of our projects
The Catalyst program in pictures
News from our startuppers
Paradoxal Surfboards wins 1st prize in the Ocean Pitch Challenge 2023
Today, Leonard:Paris hosted the grand final of the third edition of the Ocean Pitch Challenge®. This competition, launched on 19 January 2023 by RespectOcean...
Ostrea Design (SEED 2023) announces a €1.2 million financing round
Ostrea Design, a start-up specialized in the manufacture of low-carbon and recyclable marine terrazzo, supported by Leonard' SEED program, has raised 1.2 mil...
Leonard is partner for the seventh edition of the Construction Startup Competition
For the fourth consecutive year, Leonard is taking part in the launch of the Construction Startup Competition 2023, in partnership with Cemex Ventures and se...
What do we do?
The VINCI Group created Leonard to tackle the challenges posed by the transformation of regions and lifestyles. Our goal is to unite a community of key stakeholders in order to build the city of the future together.