Yauheni Kostseu is a private shareholder. Yauheni Kostseu holds a stake in 1 company, and roles in several others.

Companies Yauheni Kostseu owns

Company	Stake
ULTIMA RATIO AS	100.0%

Roles

Styrets leder

1 selskap

ULTIMA RATIO AS 935479746

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.