REVISJONSFIRMAET FLATTUM & CO AS
REVISJONSFIRMAET FLATTUM & CO AS is registered as a limited company in Oslo, Oslo with organisation number 894934352. The business is classified under auditing (NACE 69.201). The company was incorporated in 2009 and has 17 registered employees. Registered share capital is NOK 400,000, divided into 400 shares. The company's stated purpose is: “Revisjon og rådgivningsvirksomhet, regnskapsføring, samt det som hermed står i forbindelse, herunder deltagelse i andre selskaper med samme eller lignende formål samt investering i aksjer og verdipapirer.”. The most recent filed accounts, for the 2025 financial year, show NOK 37.4m in revenue and NOK 10.8m in operating profit.
Key figures · 2025
Financial health · 2025
Who owns REVISJONSFIRMAET FLATTUM & CO AS?
REVISJONSFIRMAET FLATTUM & CO AS has 6 registered shareholders:
- REVISJONSFIRMAET FLATTUM & CO AS 37.5%
- EIRIK SKJØLBERG 12.5%
- EUGENIA KROGSVOLD 12.5%
- HÅKON SUNDBY 12.5%
- THORBJØRN GRINDHAUG 12.5%
- ØYVIND BALTZERSEN 12.5%
Which companies does REVISJONSFIRMAET FLATTUM & CO AS own?
REVISJONSFIRMAET FLATTUM & CO AS holds stakes in 2 companies:
- SYSTEMREVISJON AS 100.0%
- REVISJONSFIRMAET FLATTUM & CO AS 37.5%
Frequently asked questions about REVISJONSFIRMAET FLATTUM & CO AS
Who owns REVISJONSFIRMAET FLATTUM & CO AS?
REVISJONSFIRMAET FLATTUM & CO AS is the largest registered owner, with 37.5%.
What is the revenue of REVISJONSFIRMAET FLATTUM & CO AS?
REVISJONSFIRMAET FLATTUM & CO AS had revenue of NOK 37.4m in 2025.
Who is the general manager of REVISJONSFIRMAET FLATTUM & CO AS?
Thorbjørn Grindhaug is registered as general manager of REVISJONSFIRMAET FLATTUM & CO AS.
Where is REVISJONSFIRMAET FLATTUM & CO AS based?
REVISJONSFIRMAET FLATTUM & CO AS has its business address in Oslo.
Property
82 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.