IBY AS
Signals
- Driftsunderskudd 2025 Siste driftsresultat er negativt (−1,4 mill kr).
IBY AS is registered as a limited company in Lier, Buskerud with organisation number 961668557. The business is classified under other building and industrial cleaning activities (NACE 81.220). The company was incorporated in 1991. Registered share capital is NOK 300,000, divided into 30000 shares. The company's stated purpose is: “Salg av konsulenttjenester, kjøp og utleie av driftsmidler, samt investering i eiendommer, aksjer og verdipapirer.”. The most recent filed accounts, for the 2025 financial year, show NOK 1.3m in revenue and NOK −1.4m in operating profit.
Former names: MULTI KRAFT AS
Key figures · 2025
Financial health · 2025
Who owns IBY AS?
IBY AS has 4 registered shareholders:
- YNGVE KRISTIANSEN BERTHINUSSEN 31.7%
- INGHILD BERTHINUSSEN 31.7%
- ELIN ANDERSSEN 31.7%
- BJØRN INGE BERTHINUSSEN 5.0%
Which companies does IBY AS own?
IBY AS holds stakes in 2 companies:
- IBY SERVICE AS 100.0%
- BERTHINUSSEN EIENDOM AS 100.0%
Frequently asked questions about IBY AS
Who owns IBY AS?
YNGVE KRISTIANSEN BERTHINUSSEN is the largest registered owner, with 31.7%.
What is the revenue of IBY AS?
IBY AS had revenue of NOK 1.3m in 2025.
Who is the general manager of IBY AS?
Bjørn Inge Berthinussen is registered as general manager of IBY AS.
Where is IBY AS based?
IBY AS has its business address in Lier.
Property
4 companies are registered at this address.
The address this company is registered at, from the company register and matched against the cadastre. It does not say who owns the property — a company may be a tenant, and the address is often its accountant's. Source: Brønnøysundregistrene and © Kartverket.
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.