Our projects

Leonard brings together entrepreneurs from all walks of life committed to transforming the cities and urban infrastructure of tomorrow.

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Logo Qualisteo

Qualisteo

CATALYST Program 2025 Qualisteo specialises in optimising energy consumption in buildings. Through its innovative measurement and analysis solutions, it helps clients reduce their energy footprint and costs. Its…
Logo Sodex

Sodex

CATALYST Program 2025 Sodex equips construction machinery with laser scanners and cameras for continuous, automated site surveying. Every 10 minutes, the system uploads data to SDX-Cloud to create…
Logo Simillar

Simillar

CATALYST Program 2025 Simillar (from Artelia Digital Solutions) is a simulation and scheduling tool initially designed for the road construction sector. It features a customisable 3D library that…
TrunkTools logo

Trunk Tools

CATALYST Program 2025 Designed as a trusted AI platform for the built environment, Trunk Tools provides the right data to the right people at the right time, avoiding…
Voltfang logo

Voltfang

CATALYST Program 2025 Voltfang converts end-of-life electric vehicle batteries into energy storage systems. Voltfang is supported by our CATALYST program, which gives the most mature innovative companies the…
Logo XXII

XXII

CATALYST Program 2025 XXII is revolutionising urban mobility with AI-based solutions and computer vision. XXII optimises video flow management, improves safety, and analyses behaviours in real time, making…
Zéloce, programme CATALYST 2024

Zeloce

CATALYST Program 2024 Zeloce is a software publisher specializing in last-mile logistics tracking for wide-gauge items. Zeloce simplifies and rationalizes goods flows by connecting the various players in…
Voliro, programme CATALYST 2024

Voliro

CATALYST Program 2024 Voliro offers an innovative drone for contact inspection and high-precision work close to structures. Voliro is supported by our CATALYST program, which gives the most…
Optimiz Construction, programme CATALYST 2024

Optimiz Construction

CATALYST Program 2024 Optimiz Construction helps structural engineering companies save up to 15% on reinforcement costs by optimizing materials, facilitating installation and reducing waste. Optimiz Construction is supported…
Netcarbon, programme CATALYST 2024

NetCarbon

CATALYST Program 2024 NetCarbon is a technology that combines satellite data and artificial intelligence to simulate and improve the environmental impact of a construction project on a series…
Materrup, programme CATALYST 2024

Materrup

CATALYST Program 2024 Materrup is a young industrial company with an impact, producing a low-carbon cement based on uncalcined clay derived from local waste. This local cement halves…
Machine26, programme CATALYST 2024

Machine26

CATALYST Program 2024 Machine26 is a marketplace that helps construction equipment owners sell their machines effortlessly. The inspection application collects all machine condition data so that customers can…
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start-ups and projects supported within our incubation, acceleration and support programmes

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