Erling Wendel Sivertsen is a private shareholder. Erling Wendel Sivertsen holds a stake in 1 company, and roles in several others.

Companies Erling Wendel Sivertsen owns

Company	Stake
BIONO AS	25.0%

Roles

Styremedlem

2 selskaper

BIONO AS 927404524

SUPPORT INTERNATIONAL TRAVEL AS 913594193

Innehaver

1 selskap

ERLING SIVERTSEN CONSULT 927652684

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.