Ventilation installation
KARLSEN LUFTMILJØ AS
Incorporated
1983
Share capital
NOK 33,000
Shareholders
| Name | Stake | Shares | Year |
|---|---|---|---|
| KJERSTI KARLSEN MADSEN | 25.0% | 1671.000000 | 2025 |
| BJØRG EVY KARLSEN | 25.0% | 1671.000000 | 2025 |
| JOHAN KARLSEN | 25.0% | 1671.000000 | 2025 |
| FRANK KARLSEN | 25.0% | 1671.000000 | 2025 |
Holdings in other companies
| Company | Status | Stake | Shares |
|---|---|---|---|
| AS PREFA | Active | 5.9% | 482.000000 |
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.