Manufacture of pharmaceutical preparations
SERO AS
Incorporated
1963
Employees
75
Share capital
NOK 10.0m
Roles
Daglig lederJens Stefan Nicolai Kernstock
Revisor
Styrets lederKnut Weydahl Eldjarn
StyremedlemOle Henrik Eide
StyremedlemEileen Eldjarn
StyremedlemCamilla Eldjarn Huitfeldt
StyremedlemKnut Erik Weydahl Eldjarn
StyremedlemCathrine Knetter Hoel
StyremedlemSara Halmøy Hannisdal
VaramedlemAstrid Torunn Eldjarn
VaramedlemFrode Kristensen
VaramedlemVilde Årdal
Auditor
Audit firm
BDO AS
BDO AS har 401 registrerte statsautoriserte revisorer.
The Brønnøysund registers name the audit firm, not which individual auditor signs the accounts.
Shareholders
| Name | Stake | Shares | Year |
|---|---|---|---|
| KNUT WEYDAHL ELDJARN | 50.5% | 50500.000000 | 2025 |
| ASTRID TORUNN ELDJARN | 22.5% | 22500.000000 | 2025 |
| KNUT ERIK WEYDAHL ELDJARN | 9.0% | 9000.000000 | 2025 |
| EILEEN ELDJARN | 9.0% | 9000.000000 | 2025 |
| CAMILLA ELDJARN HUITFELDT | 9.0% | 9000.000000 | 2025 |
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.