MIKHAIL KOSTOUSOV is a private shareholder. MIKHAIL KOSTOUSOV har eierandeler i 1 selskap.

Selskaper MIKHAIL KOSTOUSOV eier

Company	Stake	Value (est.)
SUBSEA1 AS	1.0%	–

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.