SIDCO AS
SIDCO AS is registered as a limited company in Oslo, Oslo with organisation number 937987447. The business is classified under construction of residential and non-residential buildings (NACE 41.000). The company was incorporated in 1985. Registered share capital is NOK 1.3m, divided into 12700 shares. The company's stated purpose is: “Boligbygging og entreprenørvirksomhet samt konsulentvirksomhet, investering, finansiering og alt som står i forbindelse hermed.”. The most recent filed accounts, for the 2025 financial year, show NOK 1.7m in revenue and NOK 1.3m in operating profit.
Key figures · 2025
Financial health · 2025
Who owns SIDCO AS?
SIDCO AS has 9 registered shareholders:
- Erik Bjørgum 20.6%
- Jon Bjørgum 20.6%
- Karen Cecilie Bjørgum Møller 20.6%
- Sigmund Bjørgum 19.1%
- Aleksander Bjørgum Møller 3.2%
- Peder Bjørgum 3.2%
- Jens Bjørgum Møller 3.2%
- Maud Francesca Alfstad Bjørgum 3.2%
- Maximilian Florian Alfstad Bjørgum 3.2%
Which companies does SIDCO AS own?
SIDCO AS holds stakes in 3 companies:
- GAMLE BORGENVEI 20 INVEST AS 0.3%
- LOSBY GODS EIENDOM AS 0.2%
- LOSBY GOLFPARK AS 0.1%
Frequently asked questions about SIDCO AS
Who owns SIDCO AS?
Erik Bjørgum is the largest registered owner, with 20.6%.
What is the revenue of SIDCO AS?
SIDCO AS had revenue of NOK 1.7m in 2025.
Who is the general manager of SIDCO AS?
Sigmund Bjørgum is registered as general manager of SIDCO AS.
Where is SIDCO AS based?
SIDCO AS has its business address in Oslo.
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.