HEIM-Gruppe
HEIM Holding GmbH & Co. KG
Ulm, Germany
About
Founded in 1919, HEIM-Gruppe is a private headquartered in Ulm, Germany with approximately 500-1000 employees specializing in Biogas, Solar, Energy Storage.
HEIM-Gruppe is an owner-managed conglomerate founded in 1919 by Wilhelm Imanuel Heim. Operating across Germany with over 100 years of experience, the company integrates civil engineering, road construction, raw material extraction, recycling, and renewable energy production. Through its pure power subsidiary, HEIM operates biogas facilities that generate electricity and heat from organic waste and agricultural materials, and photovoltaic installations including Germany's first floating PV system in Nobitz (2020). The company processes over 30,000 tonnes of food waste annually at Klein Eichholz, powering approximately 1,000 residential units and local businesses. HEIM also operates recycling facilities for construction materials, plastics, and metals, and recently integrated WuT Wärme- und Umwelttechnik GmbH (December 2024) to expand heating supply capabilities. The company prioritizes circular economy principles, integrating material recovery throughout its value chain and participating in innovative carbon reduction projects like the CORE initiative with Berlin and neustark's carbon mineralization technology.
Headquarters
Ulm, Germany
Founded
1919
Employees
500-1000
Company Type
Private
Business Models
Value Chain
Projects
Klein Eichholz Biogas and District Heating
Nobitz Floating Photovoltaic System
Quitzdorf Biogas Facility
Berlin Recycling and Carbon Mineralization (Berlin-Marzahn)
B311 Federal Road Renewal
CORE Project - Climate-Friendly Recycled Concrete
Certifications & Awards
Certifications
DIN Norm Certification for RC-Aggregate