Tone Sommerstad is a private shareholder. Tone Sommerstad holds a stake in 1 company, and roles in several others.

Companies Tone Sommerstad owns

Company	Stake
DELTATECH AS	85.0%

Roles

Daglig leder

1 selskap

DELTATECH AS 871174482

Styremedlem

1 selskap

DELTATECH AS 871174482

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.