Home About us plug References Image gallery Welcome to Byggstark! We work mainly with ROT work. Repairs, conversions and extensions. Our staff performs woodwork, building forging, drilling holes in concrete, painting work and demolition work. We are currently 10 employees with Lennart Stark at the helm. Byggstark AB | Box 421 94 | 126 17 Stockholm | Tel / fax: 08-549 030 10 | info@byggstark.se