A & O Glas-Concept

A & O Glas-Concept is a specialized manufacturer and master craftsman business (Meisterbetrieb) based in Hannover, Germany. With a heritage dating back to 1920 and operating under its current name since 1997, the company combines traditional craftsmanship with modern production techniques. The firm operates as a contract manufacturer and service provider, employing between 11 and 50 people and maintaining its own factory facilities to serve commercial and residential clients across Lower Saxony.