How much did Rayon raise?

Rayon raised €10M at Series A, announced 29 September 2026.

Stanislas Chaillou is Co-founder of Rayon.

FundedStartupsDaily / PropTech & Construction / Rayon

Rayon raises €10M

Q: What does Rayon do?

Rayon operates in PropTech & Construction and is based in France.

Rayon announced a Series A round of €10M on 29 September 2026. The company operates in PropTech & Construction and is based in France. It was founded by Stanislas Chaillou, Co-founder. Announced today.

Raised

€10M

Stage

Series A

Industry

PropTech & Construction

Country

France

Founder

Stanislas Chaillou

Co-founder, Rayon

LinkedIn profile rayon.design

Outreach angles

-Wrote the book Artificial Intelligence and Architecture, now used in university courses, before building Rayon.
-Previously an architect and senior data scientist at Spacemaker, the AI design startup Autodesk acquired for $240M in 2020.
-The €10M Series A led by Partech will fund a 3D mode, more AI in the drawing workflow and a bigger sales team.