JH
Jan Groos Helmer
Jan Groos Helmer is a private shareholder with an estimated portfolio value of NOK 21.6m. Jan Groos Helmer holds stakes in 5 companies.
Estimated portfolio value
NOK 21.6m
The sum of estimated values across all known holdings in Norwegian AS/ASA companies
Companies Jan Groos Helmer owns
| Company | Stake | Value (est.) |
|---|---|---|
| AMERT AS | 100.0% | NOK 17.8m |
| TREMA AS | 90.0% | NOK 2.7m |
| ESSLIA AS | 16.7% | NOK 613,000 |
| TREMA AS | 10.0% | NOK 305,000 |
| AS ESSDAL | 2.3% | NOK 186,000 |
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.