Private company

Weifa

Norwegian pharmaceutical company

Weifa is a Norwegian pharmaceutical company headquartered in Oslo with production facilities in Kragerø Municipality. Weifa is one of the world’s largest producers of Metformin hydrochloride and a leading producer of alkaloid opiates.2 It employed 22 people in 2026.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Jan 31, 1940Founded1
  • Industrypharmaceutical company1
  • HeadquartersOslo1
  • Websitewww.karopharma.no
  • Legal formaksjeselskap1
  • LEI5967007LIEEXZXFKRS823
  • StatusActive3
  • LEI statusLapsed (not renewed)3
  • Registered addressØSTENSJØVEIEN 27, 0609 Oslo, Norway3
  • Registered withThe Brønnøysund Register Centre, 9172962003

Weifa is a Norwegian pharmaceutical company headquartered in Oslo with production facilities in Kragerø Municipality. Weifa is one of the world’s largest producers of Metformin hydrochloride and a leading producer of alkaloid opiates.2

Employees over time

  • 2026221

Timeline

  1. Jan 31, 1940Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2
  3. 3