Temelion, a Paris and Toulouse-based construction technology startup, has raised €3.2 million in seed funding to simplify engineering workflows with artificial intelligence.
The round was led by 360 Capital with participation from ISAI Build Venture, SE Ventures, Kima Ventures and sector-focused angel investors. The company plans to expand its engineering team, accelerate go-to-market efforts in France, and strengthen integrations with industry-standard tools such as BIM platforms.
Founded in 2025 by Jérôme Joaug, Rodolphe Héliot and Sébastien Gilles, Temelion offers an AI-powered platform that automates project analysis and documentation during the pre-construction phase. The platform aims to reduce repetitive tasks, improve accuracy and accelerate bidding, ultimately cutting costs while enhancing quality.
“When we first spoke with engineers, we expected resistance to AI. What we found instead was universal frustration with the hours spent crunching documents. Temelion was created to free them from these tedious tasks and allow them to focus on the technical dimensions of engineering they truly love.” ~ Jérôme Joaug, co-founder and CPO.
CEO Rodolphe Héliot said the funding will enable the company to combine AI expertise with building engineering know-how. “This fundraising allows Temelion to bring together top talent in AI and building engineering to tackle one of construction’s great challenges: design automation.”
Investors highlighted the company’s potential impact on the sector. “Temelion illustrates how AI can address concrete needs in complex sectors like construction. We are convinced that Temelion can become a reference player for engineering firms in France and worldwide.” ~ Alexandre Mordacq, partner at 360 Capital.
Temelion is currently working in beta with major French engineering and architecture firms and plans to expand across Europe.
