MEMBRANTEKNIKK AS

MEMBRANTEKNIKK AS is registered as a limited company in Flekkefjord, Agder with organisation number 979111738. The business is classified under wholesale of hardware, plumbing and heating equipment and supplies (NACE 46.840). The company was incorporated in 1997. Registered share capital is NOK 250,000, divided into 50 shares. The company's stated purpose is: “Produksjon og handel med renseteknikkutstyr samt annen produksjon.”. The most recent filed accounts, for the 2024 financial year, show NOK 199,000 in revenue and NOK 138,000 in operating profit.

Key figures · 2024

Revenue

NOK 199,000

Operating profit

NOK 138,000

Equity

NOK 4.5m

Est. value

NOK 2.5m

Financial health · 2024

Liquidity

0.20

Not satisfactory

Current assets ÷ current liabilities

Profitability

–

Not available

Return on total assets

Solidity

36.6%

Good

Equity as a share of total capital

Who owns MEMBRANTEKNIKK AS?

TOM ARNFINN BØCKMAN SIRNES

54.0%

MEMBRANTEKNIKK AS

NOK 199,000 rev. · NOK 138,000 profit

MEMBRANTEKNIKK AS has 3 registered shareholders:

• TOM ARNFINN BØCKMAN SIRNES 54.0%
• ODD HENNING SIRNES 40.0%
• INGER JOHANNE SIRNES 6.0%

All shareholders and roles →

Which companies does MEMBRANTEKNIKK AS own?

MEMBRANTEKNIKK AS holds stakes in 3 companies:

• SIRNES EIENDOM AS 100.0%
• MT SEPARATION AS 100.0%
• EXTRACT AS 33.9%

See the full ownership structure →

Frequently asked questions about MEMBRANTEKNIKK AS

Who owns MEMBRANTEKNIKK AS?

TOM ARNFINN BØCKMAN SIRNES is the largest registered owner, with 54.0%.

What is the revenue of MEMBRANTEKNIKK AS?

MEMBRANTEKNIKK AS had revenue of NOK 199,000 in 2024.

Who is the general manager of MEMBRANTEKNIKK AS?

Tom Arnfinn Bøckman Sirnes is registered as general manager of MEMBRANTEKNIKK AS.

Where is MEMBRANTEKNIKK AS based?

MEMBRANTEKNIKK AS has its business address in Flekkefjord.

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.