Bundled know-how and experience for over 20 years

Tetrag, the total solution provider with core competence in energy controlling, has more than 20 years of experience in the design and technical implementation of systems for the sustainable operation of buildings and plants. Our services range from the individual meter to the finished energy report. Today, ten employees work for Tetrag AG in the field of energy controlling and are committed to your projects on a daily basis.



Foundation of Tetrag Technische Treuhand AG


Tetrag Technische Treuhand AG develops the energy controlling system e3m


Foundation of Implenia - merger of Batigroup and Zschokke


Tetrag becomes Tetrag AG and a subsidiary of Implenia

  • Sale of the product rights of the e3m system to the company OPIT Solutions AG
  • Tetrag becomes one of the independent system integrators


10 years of Implenia


Tetrag Automation AG renamed to Tetrag AG and a subsidiary company of swenex swiss-energy-exchange in Kriens

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