From Darmstadt to the world: our roots go back to 1907. At that time, Dr Otto Röhm founded Röhm & Haas OHG together with Otto Haas, a predecessor company of today's Röhm. In the meantime, Röhm has become a leading supplier of methacrylate chemistry. As a global company with around 3,500 employees, Röhm is represented on four continents. Its broad product portfolio includes the world-renowned PLEXIGLAS® brand.