Stirweld has raised €6 million to enhance its Friction Stir Welding technology, aiming for international expansion and doubling its workforce, while reinforcing its commitment to sustainable practices.

Overview of Stirweld

Stirweld, based in Rennes, France, is a pioneering company specializing in Friction Stir Welding (FSW) technology. Founded in 2017 by Laurent Dubourg and Gilles Sevestre, Stirweld is a spin-off from ENS Rennes and L’Institut Maupertuis. The company has developed a unique technology for FSW heads specifically designed for aluminum welding. This innovative process increases accessibility as it is compatible with 99% of machining centers and offers a cost reduction of up to tenfold compared to conventional machines. With a remarkable annual revenue growth, Stirweld serves over a hundred customers worldwide in sectors such as electric mobility, hydrogen, renewable energy, aeronautics, and space.

Industry Overview in France

France's advanced manufacturing sector has witnessed significant growth, particularly in the field of sustainable technologies. The Government of France has prioritized innovation and sustainability, reflected in its France 2030 initiative. This program supports startups and industrial companies aiming to enhance their ecological impact and contribute to the national economy. As a leader in the push for a green transition, France has become an attractive destination for investment in technologies that drive down energy consumption and reduce greenhouse gas emissions.

The French tech ecosystem is thriving, bolstered by support from various investment funds. Companies like Stirweld benefit from an extensive network of funding initiatives, which are essential for r