Siv Elin Tønne is a private shareholder. Siv Elin Tønne holds a stake in 1 company, and roles in several others.

Companies Siv Elin Tønne owns

Company	Stake
EST HOLDING AS	50.0%

Roles

Innehaver

1 selskap

SIVSANDE TØNNE 933493857

Styrets leder

1 selskap

EST HOLDING AS 912244288

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.