Thomas Mastad Hammer is a private shareholder with an estimated portfolio value of NOK 1.9m. Thomas Mastad Hammer holds stakes in 3 companies, and roles in several others.

Estimated portfolio value

NOK 1.9m

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

Companies Thomas Mastad Hammer owns

Company	Stake	Value (est.)
MASTAD CAPITAL AS	100.0%	–
PROMARITIM AS	100.0%	NOK 1.9m
HA-MER EIENDOM AS	20.0%	NOK 79,000

Roles

Styrets leder

4 selskaper

PROMARITIM AS 934605330

PROMARITIM SERVICE AS 937393873

MASTADSPORTS AS 935434289

MASTAD CAPITAL AS 936638732

Daglig leder

3 selskaper

PROMARITIM AS 934605330

PROMARITIM SERVICE AS 937393873

MASTADSPORTS AS 935434289

Deltaker med delt ansvar

1 selskap

TNLYDUTLEIE DA 929842596

Styremedlem

1 selskap

HA-MER EIENDOM AS 929046331

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.