Ettwein works in factory-made building solutions, especially panelized homes, timber-frame homes, and modular homes. The legal company name is Werner Ettwein GmbH. From 78048 Villingen-Schwenningen, Germany, the company’s category profile points to timber-frame housing and factory-prepared structural elements.

The company’s positioning includes residential construction, timber-based construction, adaptable design work, and factory-led speed. Its positioning is strongly connected with timber construction, prefabricated elements and residential building know-how.