Slawomir Siemieniec is a private shareholder with an estimated portfolio value of NOK 510,000. Slawomir Siemieniec holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 510,000

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

Companies Slawomir Siemieniec owns

Company	Stake	Value (est.)
IN TRE AS	50.0%	NOK 396,000

Roles

Daglig leder

1 selskap

IN TRE AS 915905730

Styrets leder

1 selskap

IN TRE AS 915905730

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 03.10.2026.