Seed · Developer Tools · Paris, France · Founded 2021 · 11–50 employees
Rayon is building next-generation collaborative design software for the architecture, engineering, and construction industries, positioning itself as the "Figma for architects." The Paris-based startup enables real-time collaborative floor plan design in browsers, addressing the fragmentation and inefficiency of legacy CAD and BIM tools. They raised €1.9M in pre-seed (2022) and €4M in seed funding (2023) led by investors including Northzone, Seedcamp, and Foundamental. The platform serves over 30 million people who work on floor plans daily, offering a "light-BIM" solution that combines CAD and BIM features with modern collaboration capabilities.