EnvironTec - a success story since 2005

Walter Bilgeri, CEO, founded the company in 2005 with long-standing employees.

Walter Bilgeri is the company’s technical mastermind. His specialist engineering training and years of operational experience form the substantial foundation of the company.

Astrid Berthold, CFO, joined the company in 2018 and has since been responsible for the commercial, administrative and financial aspects of the company as Managing Partner.

Astrid Berthold can look back on 30 years of experience in finance and contract management in leading positions at a major global corporation.

Our expertise

Our many years of experience and our comprehensive know-how make us one of the leading companies in the following areas:

  • wastewater treatment plants

  • agricultural & industrial biogas plants

  • landfill gas application

Quality and reliability

EnvironTec has been developing and building plants for the utilization of biogas, sewage gas and landfill gas for decades.

We supply integrated solutions for a wide range of applications, including for farmers, local authorities, industry and the energy sector.

With the highest standards of reliability and environmental compatibility, we offer you all the important services for your project from a single source, from installation to maintenance and servicing!

Worldwide sales network

We have partners worldwide – contact us and we will put you in touch with our sales partners.





UK - Ireland

North Africa - Tunisia






New Zealand

Visit us at IFAT Munich

Hall A4, Stand 408
May 13 – 17, 2024