Jan Sigbjørn Mydland is a private shareholder with an estimated portfolio value of NOK 1.8m. Jan Sigbjørn Mydland holds stakes in 4 companies, and roles in several others.

Estimated portfolio value

NOK 1.8m

The sum of estimated values across all known holdings in Norwegian AS/ASA companies

Companies Jan Sigbjørn Mydland owns

Company	Stake	Value (est.)
DONEHEIA BYGG & UTLEIE AS	25.0%	NOK 137,000
BIRKELAND BENSINSTASJON AS	0.7%	NOK 8,000
TT ANLEGG AS	0.4%	NOK 1.6m
BIRKELAND HANDELSLAG AS	0.1%	NOK 12,000

Roles

Styremedlem

1 selskap

DONEHEIA BYGG & UTLEIE AS 930211400

Active roles recorded in the Register of Business Enterprises / the Central Coordinating Register

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.