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    We would like to inform you that per 1. January 2023, HOLINGER AG acquired all the shares of iat-Ingenieurberatung GmbH. This not only opens up excellent prospects for iat-Ingenieurberatung GmbH, a Stuttgart-based engineering...


    HOLINGER has grown significantly in recent years, both nationally and internationally, to currently employ around 650 people. The organisation was lagging behind in some areas and therefore some renewal was urgently needed....


    The long awaited topping-out ceremony for a new multifunctional building, consisting of a machine hall, a vehicle hall and a social wing, took place on 23rd September 2022 at the Burgstädt waste water treatment plant. HOLINGER...


    HOLINGER AG has successfully participated in a standard reference procedure for mapping heavy rain hazards for the Baden-Württemberg State Institute for the Environment. As a result, HOLINGER AG is now officially qualified to...


    We are pleased to inform you about our merger within the HOLINGER Group: HOLINGER International Consultants GmbH, IBG AG and SWISSWATER GmbH are now HOLINGER International Consultants GmbH. Join us at IFAT to celebrate this...