Modulbauhaus works in factory-made building solutions, especially panelized homes, timber-frame homes, and modular homes. The legal company name is ER SIE ES Bauträger GmbH. The company is located in 4407 Steyr, Austria and is associated with timber-frame housing and factory-prepared structural elements.

Its market profile combines 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.