Siren Tønnesen is a private shareholder. Siren Tønnesen holds stakes in 2 companies, and roles in several others.

Companies Siren Tønnesen owns

Company	Stake
ST MANDAL AS	100.0%
PINSJ AS	0.0%

Roles

Styremedlem

2 selskaper

LORD 1 AS 980417050

KNOLL OG TOTT EIENDOM AS 995646633

Styrets leder

1 selskap

ST MANDAL AS 926358995

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.