- Environmental verifier organization
- Certification of management systems: Environmental management systems (EMAS, ISO 14001), occupational health and safety management systems (ISO 45001), energy management system (ISO 50001), quality management (ISO 9001)
- Certification of integrated management systems
- Verification of allocation applications for emission allowances and verification of the annual emissions report
- Certification of waste disposal companies as specialist waste disposal companies
- Recognition of end-of-life vehicle collection points and dismantling facilities as well as document and data destruction companies
- Inspection of primary treatment facilities in accordance with the Electrical and Electronic Equipment Act
- Assessment of biogas plants in accordance with the EEG
- Testing in accordance with SpaEfV for SMEs
- Testing the separate collection rate in accordance with GewAbfV




