We provide technical installations and consulting services with documented energy and environmental performance, ensuring healthy, comfortable and efficient buildings throughout their lifecycle.
Our mission is to build a sustainable society for future generations. We contribute to the green transition by reducing energy use, lowering emissions and enabling buildings to be an integrated part of the energy system. We work across the entire value chain – from consulting and design to installation, operation and service – in both new and existing buildings.
Our projects comprise of large, complex engineering- and installation projects, such as hospitals, museums, theatres, hotels, data centers, airports, large office buildings and more.
GK was established in 1964 and is owned by the Karlsen family.
Contact information
Group head office:GK Gruppen AS / GK Norge AS Address: Tel. +47 22 97 47 00 |
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Head office Sweden:Gunnar Karlsen Sverige AB Solna Strandväg 21 |
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Head office Denmark:GK Danmark A/S Address: Tel. +45 6614 2412 |
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Whistleblowing
GK is a responsible company with high ethical standards and respect for everything that is affected by our business. We strive to facilitate openness and value those who blow the whistle if they are observing or experiencing something that is not in line with our values and ethical guidelines.
