About GK

GK is Scandinavia's leading end-to-end technical contractor and service partner with a turnover of NOK 6 billion.

With more than 3,000 employees and over 100 offices in Norway, Sweden and Denmark, we deliver smart and sustainable solutions for HVAC (heating, ventilation and cooling), building automation, electrical installations and plumbing. We supplies an delivers the project design, installation, service and maintenance of technical systems in all commercial 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.

Our mission is to build sustainable societies for generations to come.

GK was established in 1964 and is owned by the Karlsen family.

Contact us

Group head office

GK Gruppen AS/GK Norge AS

Address:
Pb. 70 Bryn
N-0611 OSLO
Norway

Tel. + 47 22 97 47 00
Email: post@gk.no

 

Visiting address:
Ryenstubben 12
0679 Oslo
Norway

Head office Sweden:

Gunnar Karlsen Sverige AB

Solna Strandväg 21
171 54 Solna
Sweden

Tel. + 46 (0)20-63 10 00
Email: post@gk.se  

 

Visiting address:
Solna Strandväg 21
171 54 Solna
Sweden

Head office Denmark: 

GK Danmark A/S

Address:
Ørbækvej 268 C
5220 Odense SØ
Denmark

Tel. +45 6614 2412
Email: post@gk.dk

 

Visting address:
Ørbækvej 268 C
5220 Odense SØ
Denmark

 

For suppliers and subcontractors

 Our business partners must operate in a safe and environment-friendly manner and must meet all the requirements set out in prevailing contracts and regulations. All our suppliers must confirm that they undertake to follow our Supplier Code of Conduct.