Retail sale of information and communication equipment
TNB PORSGRUNN AS
Revenue 2024
NOK 12.5m
Operating profit
NOK −578,000
Equity
NOK 765,000
Incorporated
2002
Employees
5
Share capital
NOK 95,000
Roles
Daglig lederDavid Martin Karlsen
Regnskapsfører
Revisor
Styrets lederEllen Christin Holta Karlsen
StyremedlemDavid Martin Karlsen
StyremedlemOlav Otto Halvorsen
Auditor
Audit firm
ERNST & YOUNG AS
ERNST & YOUNG AS har 238 registrerte statsautoriserte revisorer.
The Brønnøysund registers name the audit firm, not which individual auditor signs the accounts.
Auditor at related companies
5 of 5 companies in the same group use the same auditor.
| Company | Auditor | |
|---|---|---|
| TNB ASKER AS | ERNST & YOUNG AS | same |
| TNB HORTEN AS | ERNST & YOUNG AS | same |
| TNB KONGSBERG AS | ERNST & YOUNG AS | same |
| TNB NOTODDEN AS | ERNST & YOUNG AS | same |
| TNB TØNSBERG AS | ERNST & YOUNG AS | same |
Shareholders
| Name | Stake | Shares | Year |
|---|---|---|---|
| DMK HOLDING AS | 100.0% | 1000.000000 | 2025 |
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.