We are an investment group that ranks among Europe’s leading players in the fields of construction, real estate development, and technology. It comprises a total of 47 subsidiaries focused on real estate development, comprehensive construction projects, construction manufacturing, property management, and premium private transportation.

We have been manufacturing biological wastewater treatment plants in our family business for the third generation. They are environmentally friendly and economical for households, industry and smaller municipalities. High efficiency and stability even in irregular operation are guaranteed by the three-stage bioactive treatment, which we originally developed for fish farming.

We provide comprehensive services for the construction of single-family homes. We design and build low-energy wood-frame and brick houses on a turnkey basis, from the design and building permit through construction to final inspection. We can also assist with customized financing for your construction project.

We prepare energy audits and energy assessments. We perform boiler inspections and air conditioning inspections. We implement energy management systems in accordance with ISO 50001. We provide external energy management services to companies, municipalities, and cities.