John Grimstad-Henninger is a private shareholder. John Grimstad-Henninger holds a stake in 1 company, and roles in several others.

Companies John Grimstad-Henninger owns

Company	Stake
GRIMSTAD-HENNINGER HOLDING AS	100.0%

Roles

Daglig leder

3 selskaper

TUENVEIEN 64 AS 894039132

GRIMSTAD-HENNINGER HOLDING AS 918280170

HB BLIKK AS 914404754

Styremedlem

3 selskaper

OSLO KOBBER- OG BLIKKENSLAGERLAUG 918070850

VENTILASJONS-OG BLIKKENSLAGERBEDRIFTENES LANDSFORBUND OSLO OG AKERSHUS 987563656

HB BLIKK AS 914404754

Styrets leder

3 selskaper

TUENVEIEN 64 AS 894039132

GRIMSTAD-HENNINGER HOLDING AS 918280170

HB GRUPPEN AS 914407907

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.