What is the Org number of Sero AS?

Sero AS is registered with Brønnøysundsregistrene under Org 912228738.

What is the revenue of Sero AS?

Sero AS reported revenue of NOK 211.3m in 2025.

Sero AS employs 76 people as of the latest annual report.

Jens Stefan Nicolai Kernstock is the CEO of Sero AS, in role since 2018.

Knut Weydahl Eldjarn chairs the board of Sero AS, in role since 2019.

Sero AS's registered address is Stasjonsveien 44.

ASActive

Org 912228738Stasjonsveien 44, 1396 BillingstadManufacture of pharmaceutical preparations· NACE 2120Est. 1963 · 63 years old76 employeeshttps://www.sero.no

No registered parent or subsidiaries

Board members of Sero AS also hold positions in 44 other companies.

Person	Role here	Other companies
Gro Astri Mathiesen Nissen-Lie	Deputy Member	14 companiesMany roles
Atesoh Awuh Jane	Deputy Member	6 companiesMany roles
Knut Erik Weydahl Eldjarn	Board of Directors	5 companies
Jens Stefan Nicolai Kernstock	Chief Executive Officer	3 companies
Sara Halmøy Hannisdal	Board of Directors	3 companies
Ole Henrik Eide	Board of Directors	3 companies
Vilde Årdal	Deputy Member	2 companies
Are Kristiansen	Deputy Member	2 companies
Halvor Lauvstad Holen	Board of Directors	2 companies
Astrid Torunn Eldjarn	Deputy Member	1 company
Camilla Eldjarn Huitfeldt	Deputy Member	1 company
Eileen Eldjarn	Board of Directors	1 company
Knut Weydahl Eldjarn	Chairman	1 company