Roto is one of the world's leading brands for roof windows, accessories, and attic stairs. With three state-of-the-art factories in Europe, we design, develop, and manufacture innovative high-quality products for energy efficiency and comfortable living in your home's upper floor. Since 2001, Roto Frank DST Vertriebs-GmbH has been headquartered in Bad Mergentheim, employing over 700 employees. Our second-largest factory is located in Lubartow, Poland, where 420 people contribute to the development of Roto products. In our daily work, we adhere to the core principles of Roto: high-level flexibility, participation, and performance.