J.M BYGG MONTASJE AS

Signals

1 flags

• ▼ Negativ egenkapital 2025 Bokført egenkapital er negativ (−1,3 mill kr).

J.M BYGG MONTASJE AS is registered as a limited company in Porsgrunn, Telemark with organisation number 924567260. The business is classified under joinery installation (NACE 43.320). The company was incorporated in 2020 and has 25 registered employees. Registered share capital is NOK 30,000, divided into 100 shares. The company's stated purpose is: “Himlingsmontasje, montasje av vegger, støydemping, utleie personell samt annen virksomhet som naturlig faller inn under dette, herunder å delta i andre selskaper.”. The most recent filed accounts, for the 2025 financial year, show NOK 17.4m in revenue and NOK −1.7m in operating profit.

Key figures · 2025

Revenue

NOK 17.4m

▼ −6 %

Operating profit

NOK −1.7m

▼ −53 %

Equity

NOK −1.3m

▼ −321 %

Financial health · 2025

Liquidity

0.56

Weak

Current assets ÷ current liabilities

Profitability

–

Not available

Return on total assets

Solidity

-40.8%

Weak

Equity as a share of total capital

Solidity capped at Weak because equity is below NOK 100,000.

Who owns J.M BYGG MONTASJE AS?

JAN MARTHINSEN HOLDING AS Org. no. 889183942

100.0%

J.M BYGG MONTASJE AS

NOK 17.4m rev. · NOK −1.7m profit

J.M BYGG MONTASJE AS has 1 registered shareholder:

• JAN MARTHINSEN HOLDING AS 100.0%

All shareholders and roles →

Frequently asked questions about J.M BYGG MONTASJE AS

Who owns J.M BYGG MONTASJE AS?

JAN MARTHINSEN HOLDING AS is the largest registered owner, with 100.0%.

What is the revenue of J.M BYGG MONTASJE AS?

J.M BYGG MONTASJE AS had revenue of NOK 17.4m in 2025.

Who is the general manager of J.M BYGG MONTASJE AS?

Jan Martinsen is registered as general manager of J.M BYGG MONTASJE AS.

Where is J.M BYGG MONTASJE AS based?

J.M BYGG MONTASJE AS has its business address in Langangen.

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.