CONVEX CALCULUS AS

CONVEX CALCULUS AS is registered as a limited company in Bergen, Vestland with organisation number 989228641. The business is classified under other captive investment companies (NACE 64.323). The company was incorporated in 2005. Registered share capital is NOK 100,000, divided into 100 shares. The company's stated purpose is: “Eie og investere i aksjer og andre verdipapirer, samt hva hermed står i forbindelse.”. The most recent filed accounts, for the 2025 financial year, show NOK 5.3m in revenue and NOK 4.4m in operating profit.

Key figures · 2025

Revenue

NOK 5.3m

▲ +228 %

Operating profit

NOK 4.4m

▲ +232 %

Equity

NOK 38.0m

▲ +9 %

Est. value

NOK 37.0m

Financial health · 2025

Liquidity

213.85

Very good

Current assets ÷ current liabilities

Profitability

13.3%

Good

Return on total assets

Solidity

99.6%

Very good

Equity as a share of total capital

Who owns CONVEX CALCULUS AS?

Jan Atle Lossius Ellingsen Private shareholder

100.0%

CONVEX CALCULUS AS

NOK 5.3m rev. · NOK 4.4m profit

CONVEX CALCULUS AS has 1 registered shareholder:

• Jan Atle Lossius Ellingsen 100.0%

All shareholders and roles →

Which companies does CONVEX CALCULUS AS own?

CONVEX CALCULUS AS holds stakes in 2 companies:

• CONVEX EQUITY AS 100.0%
• BERGEN RUBBER SOLUTIONS HOLDING AS 35.0%

See the full ownership structure →

Frequently asked questions about CONVEX CALCULUS AS

Who owns CONVEX CALCULUS AS?

Jan Atle Lossius Ellingsen is the largest registered owner, with 100.0%.

What is the revenue of CONVEX CALCULUS AS?

CONVEX CALCULUS AS had revenue of NOK 5.3m in 2025.

Where is CONVEX CALCULUS AS based?

CONVEX CALCULUS AS has its business address in Søreidgrend.

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