Wilhelm Geiger GmbH & Co.KG

Geiger Gruppe is a fourth-generation family-owned German conglomerate headquartered in Oberstdorf, Bavaria, founded in 1923. With approximately 4,000 employees across over 100 locations and roughly €850 million in annual revenue, the company operates across the full circular economy value chain under four divisions. Gestalten & Bauen (Design & Build) covers project development, turnkey construction, timber system building, civil engineering, and energy technology. Erhalten & Sanieren (Maintain & Renovate) handles building restoration and extraction/backfilling. Aufbereiten & Recyceln (Process & Recycle) provides environmental remediation, demolition, and recycling services. Gewinnen & Entsorgen (Extract & Dispose) manages quarrying, disposal, mineral processing, and logistics. Within water and environmental treatment, Geiger offers contaminated site remediation, soil remediation, PFAS remediation solutions, water reuse container systems, and process engineering for contaminated media treatment. The company's environmental remediation division, led by Sven Graefe, provides both in-situ and on-site soil and groundwater remediation including consolidation, microbiological processes, hydraulic processes, and off-site soil treatment. In wastewater treatment, their capabilities span mechanical-physical processes (sedimentation, sand filtration), chemical-physical processes (adsorption, flocculation and coagulation, neutralization, ion exchange), and grey water recycling systems. Additional services include landfill construction and rehabilitation, construction material recycling, clinker processing, flue-gas cleaning residue treatment, and selective dismantling and gutting of contaminated buildings and industrial plants. The company serves municipalities, landfill operators, construction firms, and commercial businesses primarily across southern Germany.