BYARKITEKTEN AS

BYARKITEKTEN AS is registered as a limited company in Drammen, Buskerud with organisation number 985633401. The business is classified under architectural activities (NACE 71.110). The company was incorporated in 2003. Registered share capital is NOK 100,000, divided into 100 shares. The company's stated purpose is: “Sivilarkitekt- og ingeniørrelatert virksomhet, herunder planlegging, prosjektering, prosjekt- og miljøledelse, miljø- og byøkologiutredninger, byformvurderinger og -analyser, taksering, kjøp, salg og utvikling av fast eiendom, investering, utleie samt deltakelse i annen virksomhet.”. The most recent filed accounts, for the 2025 financial year, show NOK 2.6m in revenue and NOK 391,000 in operating profit.

Former names: ENVIRA PRO AS

Key figures · 2025

Revenue

NOK 2.6m

▲ +8 %

Operating profit

NOK 391,000

▲ +22 %

Equity

NOK 242,000

▲ +318 %

Est. value

NOK 2.0m

Financial health · 2025

Liquidity

1.43

Satisfactory

Current assets ÷ current liabilities

Profitability

58.1%

Very good

Return on total assets

Solidity

30.2%

Good

Equity as a share of total capital

Who owns BYARKITEKTEN AS?

TERJE TOLLEFSEN Private shareholder

70.0%

DANIEL KARLSTAD TOLLEFSEN Private shareholder

15.0%

THOMAS KARLSTAD TOLLEFSEN Private shareholder

15.0%

BYARKITEKTEN AS

NOK 2.6m rev. · NOK 391,000 profit

BYARKITEKTEN AS has 3 registered shareholders:

• TERJE TOLLEFSEN 70.0%
• DANIEL KARLSTAD TOLLEFSEN 15.0%
• THOMAS KARLSTAD TOLLEFSEN 15.0%

All shareholders and roles →

Frequently asked questions about BYARKITEKTEN AS

Who owns BYARKITEKTEN AS?

TERJE TOLLEFSEN is the largest registered owner, with 70.0%.

What is the revenue of BYARKITEKTEN AS?

BYARKITEKTEN AS had revenue of NOK 2.6m in 2025.

Who is the general manager of BYARKITEKTEN AS?

Terje Tollefsen is registered as general manager of BYARKITEKTEN AS.

Where is BYARKITEKTEN AS based?

BYARKITEKTEN AS has its business address in Drammen.

Property

Business address c/o Thomas Karlstad Tollefsen Losjeplassen 18, 3015 Drammen

Cadastral unit 3301-113/343/0/0

Building Stort frittliggende boligbygg på 5 etg el mer · 21 units

6 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.