Mona Thorstensen Riiser is a private shareholder with an estimated portfolio value of NOK 2.1m. Mona Thorstensen Riiser holds a stake in 1 company, and roles in several others.

Estimated portfolio value

NOK 2.1m

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

Companies Mona Thorstensen Riiser owns

Company	Stake	Value (est.)
ATM INVEST AS	29.0%	NOK 2.1m

Roles

Styremedlem

2 selskaper

COMPLETE EIENDOM AS 976024745

ATM INVEST AS 989028502

Daglig leder

1 selskap

COMPLETE CONSULTING AS 986112146

Styrets leder

1 selskap

COMPLETE SENTERDRIFT AS 993278262

Varamedlem

1 selskap

LILLCANTO 974259540

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.