Drilling services for petroleum and natural gas extraction
RIEBER & SØN AS
Revenue 2024
NOK 5.0m
Operating profit
NOK −48.0m
Equity
NOK 4.0bn
Incorporated
1918
Employees
12
Share capital
NOK 3.7m
Roles
Daglig lederTrond Valvik
Regnskapsfører
Revisor
Styrets lederFritz Rieber
StyremedlemKatrine Trovik
StyremedlemMarianne Mangschou Rieber
StyremedlemSebastian Rieber
StyremedlemMie Caroline Holstad Bjørklund
Auditor
Audit firm
DELOITTE AS
DELOITTE AS har 188 registrerte statsautoriserte revisorer.
The Brønnøysund registers name the audit firm, not which individual auditor signs the accounts.
Auditor at related companies
2 of 5 companies in the same group use the same auditor, 3 use a different one.
| Company | Auditor | |
|---|---|---|
| INVENTOR SHIPPING AS | DELOITTE AS | same |
| URZUS HOLDING AS | DELOITTE AS | same |
| GSFLEET AS | ERNST & YOUNG AS | different |
| GSGROUP HOLDING AS | ERNST & YOUNG AS | different |
| TCO NORWAY AS | ERNST & YOUNG AS | different |
Shareholders
| Name | Stake | Shares | Year |
|---|---|---|---|
| ATLANTIS VEST AS | 48.3% | 180166.000000 | 2025 |
| ZEE PLOEG AS | 28.1% | 104901.000000 | 2025 |
| MTG HOLDING AS | 15.0% | 56001.000000 | 2025 |
| SEBRIE AS | 4.3% | 16136.000000 | 2025 |
| CRIEBER INVEST AS | 4.3% | 16136.000000 | 2025 |
Holdings in other companies
| Company | Status | Stake | Shares |
|---|---|---|---|
| R TRANSIT AS | Active | 100.0% | 66700.000000 |
| INVENTOR EIENDOMMER AS | Active | 100.0% | 6000.000000 |
| HM ANSATTE AS | Active | 100.0% | 30000.000000 |
| INVENTOR SHIPPING AS | Active | 100.0% | 4700000.000000 |
| SOIA II AS | Active | 100.0% | 31260000.000000 |
| TCO GROUP AS | Active | 98.9% | 2080276.000000 |
| WTC ANSATTE AS | Active | 97.1% | 1000000.000000 |
| METZUM GROUP AS | Active | 90.0% | 135015000.000000 |
| GSGROUP HOLDING AS | Active | 84.5% | 58128116.000000 |
| AGUILA INVEST AS | Active | 75.2% | 4857.000000 |
| URZUS HOLDING AS | Active | 65.9% | 39406124.000000 |
| DYRKET.NO AS | Active | 59.1% | 1388885.000000 |
| FONN GROUP AS | Active | 46.7% | 153509059.000000 |
| FONN GROUP AS | Active | 37.7% | 123863637.000000 |
| INAPRIL HOLDING AS | Active | 34.6% | 5470813.000000 |
| NHV25 INVEST AS | Active | 30.1% | 301.000000 |
| Q-FREE GROUP AS | Active | 30.0% | 33794825.000000 |
| DEFIBRIO AS | Active | 10.4% | 17007.000000 |
| SCANA ASA | Active | 9.3% | 42798921.000000 |
| BOREA ASSET MANAGEMENT AS | Active | 5.4% | 4273.000000 |
| KRB CAPITAL AS | Active | 3.7% | 2083556.000000 |
| WTC ANSATTE AS | Active | 2.9% | 30000.000000 |
| BLUEBERRY CAPITAL AS | Active | 0.8% | 158.000000 |
| FONN ANSATTE AS | Active | 0.3% | 50000.000000 |
| FONN ANSATTE AS | Active | 0.2% | 30000.000000 |
| METZUM ANSATTE AS | Active | 0.1% | 17.000000 |
| METZUM ANSATTE AS | Active | 0.1% | 10.000000 |
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.