Tone Ruud Krogstad is a private shareholder. Tone Ruud Krogstad har eierandeler i 1 selskap, og roller i flere selskaper.

Selskaper Tone Ruud Krogstad eier

Company	Stake	Value (est.)
PROSA HOLDING AS	50.0%	–

Roles

Styrets leder

2 selskaper

PROSA AS 934339819

PROSA HOLDING AS 935022592

Varamedlem

1 selskap

HELSEMAGASINET AS 981500172

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 15.06.2026.