HEIM-Gruppe
HEIM Holding GmbH & Co. KG
Ulm, Baden-Württemberg, Germany
About
Founded in 1919, HEIM-Gruppe is a limited partnership headquartered in Ulm, Germany with approximately 501-1000 employees specializing in Biogas, Solar, Energy Storage.
HEIM-Gruppe is a family-owned holding company with over 100 years of history in construction, renewable energy, and recycling. Operating approximately 550 employees across 30 locations in five German federal states (Baden-Württemberg, Thuringia, Saxony, Brandenburg, and Berlin), HEIM integrates three primary business divisions: construction and road building, renewable energy generation, and waste recycling. The company operates 11 biogas facilities generating over 100 million kilowatt-hours of green electricity annually, plus multiple photovoltaic systems. Its renewable energy subsidiary pure power produces electricity and heat exceeding ten times the group's own consumption, with surplus fed into public grids. HEIM manages circular economy principles across operations: food waste processing, construction debris recycling, plastic recovery, and innovative CO₂-storage technology. The company has invested in modern recycling infrastructure at multiple sites and is piloting advanced technologies like floating solar systems and CO₂ mineralization in recycled aggregate.
Headquarters
Founded
Employees
Company type
Focus areas
Products & services
Business models
Value chain
Service areas (4)
Renewable Energy Production
Generation of electricity and heat from biogas and photovoltaic systems; operates 11 biogas facilities and multiple PV installations across sites.
Waste Processing and Recycling
Collection and processing of food waste, construction debris, plastics, metals, wood, and paper; operates modern recycling facilities with advanced sorting technology.
Construction Services
Road and underground construction, asphalt paving, drainage systems, and parking lot development.
Building Materials Supply
Extraction and distribution of gravel, sand, aggregates, and recycled construction materials from own quarries and processing facilities.
Locations
Headquarters
Boschstraße 89079, Ulm, Baden-Württemberg, Germany
Service regions
Projects
5Floating-PV-Anlage Nobitz
First floating photovoltaic system in Thuringia and one of the largest in Europe, utilizing lake surface for renewable energy production with natural cooling of modules.
Biogasanlage Klein Eichholz
Modern facility for waste food processing and biogas generation; processes over 30,000 tonnes of food waste annually and supplies heat and power to approximately 1,000 residential units in Bestensee.
Cemex Heim RC-Baustoffe - CO₂ Storage Project
Joint venture with neustark AG for innovative CO₂ removal through mineralization in recycled aggregate; first installation of this negative emissions technology in Germany.
CORE Project Berlin
Pilot project with Berlin Senate to develop CO₂-reduced recycled concrete using recycled aggregate with permanent CO₂ binding; tested at Humboldt University Berlin research building.
12.4 km Biogas Pipeline Klein Eichholz to Bestensee
Long-distance biogas pipeline connecting Klein Eichholz facility to two combined heat and power plants supplying heat to approximately 1,000 residential units.
Credentials & affiliations
Awards
Silver Medal
Partnerships
neustark AG, CEMEX, WuT Wärme- und Umwelttechnik GmbH, Kugler Straßen- und Tiefbau GmbH, SWU Stadtwerke Ulm/Neu-Ulm
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