Founded in 1838, the family business Semin is currently led by the 5th and 6th generations, with Philippe Semin as president and his daughter Caroline Semin as managing director. Over the years, Semin has become the reference brand for artisans for all products used in plasterboard installation: glues and plasters, metal profiles, accessories, and inspection hatches. The group operates 12 production sites primarily in France and Europe, employing 900 staff to serve clients in 72 countries. In 2022, the group achieved a consolidated turnover of 240 million euros.