SERO AS
Operating
SERO is a Norwegian company providing high quality materials for control and calibration of laboratory and primary health care analytical instruments.
Produksjon, distribusjon og salg av kontrollsera, reagenser og
instrumenter til bruk i analysevirksomhet i medisinske og andre
laboratorier.
Keywords
productionpharmaceuticalsantiserablood fractionsvaccineshomeopathic preparationscontraceptive productsbone buildingdiagnostic preparationspregnancy testsbiotechnological medicinescotton woolgasbandagesdressings
Organization
- CEO
- Chairman of the board
- KW
- Years since formation
- 31 years
- since Mar 12, 1995
- Type
- Limited company
- VAT registered
- Yes
- Number of employees
- 75
Ownership
- Number of shares and share classes
- 100,000
- 1 share class
- Total number of shareholders
- 5
- persons
Financials
- Total operating income 2025
- 211,253,615
- NOK
- Annual total result 2025
- 42,441,901
- NOK
- Total equity 2025
- 178,669,691
- NOK
Last update: Jul 16, 2026
Management
Management / administration
| Name | Role | Shares |
|---|---|---|
| Managing Director/CEO | - |
Board
| Name | Role | Shares |
|---|---|---|
KW | Chairman | 50.5 % directly |
| Board Member | 9 % directly | |
OH 1951 | Board Member | - |
EE 1984 | Board Member | 9 % directly |
AT | Alternate Member | 22.5 % directly |
| Board Member | 9 % directly | |
FK 1975 | Alternate Member | - |
VÅ 1995 | Alternate Member | - |
CK | Board Member | - |
SH | Board Member | - |
Others
| Name | Role | Shares |
|---|---|---|
| Auditor | - |
Top 10 individual shareholders
| Name | Role | Shares |
|---|---|---|
KW | Chairman | 50.5 % directly |
AT | Alternate Member | 22.5 % directly |
| Board Member | 9 % directly | |
| Board Member | 9 % directly | |
EE 1984 | Board Member | 9 % directly |
Last update: Feb 4, 2026
Ownership
Company shareholders
| Name | Share class | Total number of shares | Share |
|---|---|---|---|
KW | Ordinary shares | 50,500 | 50.5 % |
AT | Ordinary shares | 22,500 | 22.5 % |
| Ordinary shares | 9,000 | 9 % | |
EE 1984 | Ordinary shares | 9,000 | 9 % |
| Ordinary shares | 9,000 | 9 % |
Last update: Jun 2, 2025
Financials
in NOK
Summary
| Year | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|
Total operating income | 211,253,615 | 186,075,462 | 167,321,410 | 146,419,289 | 133,918,790 |
Annual Total Result | 42,441,901 | 34,021,595 | 30,504,588 | 20,440,639 | 20,469,888 |
Total assets | 239,147,401 | 213,452,357 | 179,153,159 | 154,848,197 | 144,672,567 |
Total liabilities | 60,477,710 | 57,224,568 | 44,946,963 | 39,146,589 | 39,411,597 |
Total equity | 178,669,691 | 156,227,790 | 134,206,196 | 115,701,608 | 105,260,969 |
P&L
| Year | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|
Total operating income | 211,253,615 | 186,075,462 | 167,321,410 | 146,419,289 | 133,918,790 |
Total operating costs | 157,383,320 | 143,870,800 | 127,657,447 | 121,444,190 | 108,494,371 |
Operating result | 53,870,295 | 42,204,662 | 39,663,963 | 24,975,099 | 25,424,420 |
Financial income/costs | 537,204 | 1,349,859 | -637,922 | 1,154,911 | 724,969 |
Profit before tax | 54,407,499 | 43,554,521 | 39,026,042 | 26,130,010 | 26,149,389 |
Total tax & extraordinary income/cost | 11,965,598 | 9,532,926 | 8,521,454 | 5,689,371 | 5,679,501 |
Annual Total Result | 42,441,901 | 34,021,595 | 30,504,588 | 20,440,639 | 20,469,888 |
Balance overview
| Year | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|
Total fixed assets | 23,141,754 | 16,414,669 | 9,545,408 | 6,406,487 | 4,507,698 |
Total current assets | 216,005,647 | 197,037,688 | 169,607,751 | 148,441,710 | 140,164,868 |
Total assets | 239,147,401 | 213,452,357 | 179,153,159 | 154,848,197 | 144,672,567 |
Short term debt | 52,793,195 | 50,613,013 | 40,845,608 | 32,757,830 | 32,429,311 |
Long term debt | 7,684,515 | 6,611,554 | 4,101,356 | 6,388,758 | 6,982,286 |
Total liabilities | 60,477,710 | 57,224,568 | 44,946,963 | 39,146,589 | 39,411,597 |
Contributed capital | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 | 10,000,000 |
Retained earnings | 168,669,691 | 146,227,790 | 124,206,196 | 105,701,608 | 95,260,969 |
Total equity | 178,669,691 | 156,227,790 | 134,206,196 | 115,701,608 | 105,260,969 |
Total equity and liabilities | 239,147,401 | 213,452,357 | 179,153,159 | 154,848,197 | 144,672,567 |
Classification
21st company classification
BETA
Industrial large enterprise
Category
Type of organization
Limited company
Classification of institutional sector
INNL
Domestic sectors
A_IKKE-FIN
Non-financial corporations
2100
Private non-financial incorporated enterprises
Standard industrial classification
C
Main industrial area
Manufacturing
21
Activity
Manufacture of basic pharmaceutical products and pharmaceutical preparations
21.2
Main industrial group
Manufacture of pharmaceutical preparations
21.20
Industrial group
Manufacture of pharmaceutical preparations
21.200
Industrial group
Manufacture of pharmaceutical preparations