Ronny Blankenberg • 1991 • Sandnes • 5 roles • 1 shareholding

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Roles

Management

Name	Role	Total operating income	Total equity	Shares
C CONSTO ROGALAND AS Closed	Managing Director/CEO	410,622,407	-32,151,451	-

Boards

Name	Role	Total operating income	Total equity	Shares
B BLANKENBERG INVEST AS	Chairman	-	173,390	100 % directly
H HERDA SPENNARMERING AS Closed	Chairman	5,270,626	24,679	-
H HERDA UTLEIE AS Closed	Chairman	4,277,776	-1,398,475	-
D DESYVFJELL AS	Chairman	14,408,282	5,111,325	-

Last update: Oct 11, 2025

Related industries3

Direct relationships5

JJ
Jarl-Georg Johansen1957
CONSTO ROGALAND AS
KH
Kent-Helge Holst1969
CONSTO ROGALAND AS
AL
Arne Landa1957
DESYVFJELL AS
HN
Håkon Nesheim1961
DESYVFJELL AS
AT
Alexander Tolleshaug Nesheim1988
DESYVFJELL AS

Shares owned by Ronny Blankenberg

Name	Share class	Total operating income	Total equity	Share
B BLANKENBERG INVEST AS	Ordinære aksjer	0	173,390	100 % directly

Limited to direct ownership positions of 0.5% or more.

Last update: Jun 2, 2025