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As the largest engineering company in the area of water and environment, we commit ourselves to society and the natural environment. In our technically highly developed world, companies are constantly being confronted with ever growing complex challenges. Covering the complete range, we offer sophisticated services from a single source, the results of which are innovative and creative concepts for sustained success and high benefits on investment for our clients.


We celebrated on 8 September 2023 with our employees and their partners. The motto of the event was...


HOLINGER will be represented with a stand (Hall 5, Stand C07) at this year's Aqua Suisse trade fair...


Birsfelden (BL) − For the new construction of the drinking water reservoir on Rütihard between...