Data from the official company registers of 12 countries. Not an official register.

English

Sero AS

Age63 years
older than 99% of its sector
Same activity, Norway63live companies · the oldest
In Billingstad1,551live companies
At this address2live companies incl. this one
Employees76as registered

In brief

Sero AS is a private limited company (AS) founded on 17 June 1963. At 63 years old it is older than 99% of the 63 live companies whose main activity is manufacture of pharmaceutical preparations. Its registered office is in Billingstad, Asker, Akershus, at an address shared with one other live company. Official records list 76 employees. The latest annual accounts it has filed are for 2025.

Register details

Registered nameSERO AS
Organisation number912228738
Company typePrivate limited company (AS)
Registered officeStasjonsveien 44, 1396 Billingstad
Nature of business (SN2025, Norwegian SIC)21.200 Manufacture of pharmaceutical preparations
International sector (ISIC Rev.4)C · 21 Manufacture of basic pharmaceutical products and pharmaceutical preparations
Business descriptionProduksjon, distribusjon og salg av kontrollsera, reagenser og instrumenter til bruk i analysevirksomhet i medisinske og andre laboratorier.

Timeline

Register events, newest first.

  • Articles of association dated
  • Registered
  • Entered in the Register of Business Enterprises
  • Incorporated

Register entries

From the register.

Incorporated17 June 1963
Registered12 March 1995
Employees76
VAT registerRegistered
Latest accounts2025
Websitewww.sero.no

Manufacture of pharmaceutical preparations in Norway

Live companies whose main activity is 21.200: 63 in total, median age 9 years, 1 incorporated in the past 12 months.

All 63 companies
This company's decadeOther decades
0102030401960s: 111960s1990s: 221990s2000s: 882000s2010s: 29292010s2020s: 23232020s
Incorporated per year, still live
024682011: 220112012: 12014: 420142015: 72016: 320162017: 72018: 220182019: 22020: 220202021: 52022: 520222023: 42024: 120242025: 52026: 12026

Location

Registered office in Billingstad, Asker, Akershus.

Live companies in Billingstad1,551
Same activity in Billingstad1
Live companies in Asker20,526
New in Billingstad, past 12 months122

Also registered at this address

1 other live company shares this registered office.

Similar companies

Live companies with the same main activity, nearest first.

Compare all

Sources

Register data: Enhetsregisteret, Brønnøysund Register Centre (Norwegian Licence for Open Government Data, NLOD), delivery of 20 October 2026. Industry codes and names: Statistics Norway (CC BY 4.0). Context figures are computed by FirmsDB from these sources. This page is not an official register; check the entry in Enhetsregisteret before relying on it.