Installation of insulation
W. GIERTSEN AS
Revenue 2024
NOK 17.0m
Operating profit
NOK −827,000
Equity
NOK 68.9m
Incorporated
1922
Employees
5
Share capital
NOK 10.0m
Roles
Regnskapsfører
Revisor
Styrets lederHans Middelthon
StyremedlemRikke De Besche Giertsen
StyremedlemWilhelm Jens Giertsen
Auditor
Auditor at related companies
None of the 1 related companies use the same auditor.
| Company | Auditor | |
|---|---|---|
| W. GIERTSEN TUNNEL AS | PRICEWATERHOUSECOOPERS AS | different |
Shareholders
| Name | Stake | Shares | Year |
|---|---|---|---|
| MANAGUA AS | 75.0% | 750.000000 | 2025 |
| BONITET INVEST AS | 15.0% | 150.000000 | 2025 |
| WILHELM JENS GIERTSEN | 4.0% | 40.000000 | 2025 |
| EFANTOFT INVEST AS | 4.0% | 40.000000 | 2025 |
| HANS MIDDELTHON | 2.0% | 20.000000 | 2025 |
Holdings in other companies
| Company | Status | Stake | Shares |
|---|---|---|---|
| AGT GROUP AS | Active | 100.0% | 20000.000000 |
| SCHENKE AS | Active | 100.0% | 100000.000000 |
| W. GIERTSEN SERVICES AS | Active | 100.0% | 1000.000000 |
| W. GIERTSEN TUNNEL AS | Active | 96.0% | 960.000000 |
| W. GIERTSEN VANNTEKNOLOGI AS | Active | 91.1% | 5472.000000 |
| REMOTE INSPECTION AS | Active | 91.0% | 1092.000000 |
| ISLANDGARDEN AS | Active | 90.1% | 339605.000000 |
| HIQ BRANDS AS | Active | 85.4% | 427.000000 |
| SIMEN VATNE PRODUKTER AS | Active | 60.0% | 60000.000000 |
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.