Jon Håvard Martinsen • 1964 • Tjodalyng • 13 roles • 5 shareholdings

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Roles

Management

Name	Role	Total operating income	Total equity	Shares
M MAHO INVEST AS	Managing Director/CEO	-	13,674	50 % directly
L LARVIK BYGG ENTREPRENØR AS	Managing Director/CEO	141,349	-10,442,792	25 % directly
S SV50 INVEST AS	Managing Director/CEO	-	-117,328	25 % indirectly
S SKREPPESTADVEIEN 50 AS	Managing Director/CEO	547,752	-564,421	25 % indirectly
B BYGGMESTERFIRMAET MARTINSEN & ØSTBY ANS	Managing Director/CEO	-	-	-

Boards

Name	Role	Total operating income	Total equity	Shares
M MAHO INVEST AS	Board Member	-	13,674	50 % directly
B BYGGMESTERFIRMAET MARTINSEN & ØSTBY AS	Chairman	45,531,444	4,059,739	40 % directly
L LARVIK BYGG ENTREPRENØR AS	Board Member	141,349	-10,442,792	25 % directly
S SV50 INVEST AS	Board Member	-	-117,328	25 % indirectly
S SKREPPESTADVEIEN 50 AS	Board Member	547,752	-564,421	25 % indirectly
B BYGGMESTERFORBUNDET LARVIK	Chairman	-	-	-
O OPPLÆRINGSKONTORET FOR TØMRERFAGET I VESTFOLD STI	Board Member	15,509,991	25,337,766	-
B BYGGMESTERFIRMAET MARTINSEN & ØSTBY ANS	Participant with Joint and Several Liability (Full Responsibility)	-	-	-

Last update: Oct 6, 2025

Related industries

1

Services
Organizations

Direct relationships

5

TØ
Tore Østby1965
BYGGMESTERFIRMAET MARTINSEN & ØSTBY AS, LARVIK BYGG ENTREPRENØR AS, BYGGMESTERFIRMAET MARTINSEN & ØSTBY ANS
AH
Andreas Hovland Martinsen1996
SKREPPESTADVEIEN 50 AS, MAHO INVEST AS, SV50 INVEST AS
JL
Jørgen Løvall Rastad1996
SKREPPESTADVEIEN 50 AS, SV50 INVEST AS
HL
Henrik Lysnes1996
SKREPPESTADVEIEN 50 AS, SV50 INVEST AS
MF
Mathias Foyn Wahlqvist1989
OPPLÆRINGSKONTORET FOR TØMRERFAGET I VESTFOLD STI

Shares owned by Jon Håvard Martinsen

Name	Share class	Total operating income	Total equity	Share
M MAHO INVEST AS	Ordinære aksjer	0	13,674	50 % directly
B BYGGMESTERFIRMAET MARTINSEN & ØSTBY AS	Ordinære aksjer	45,531,444	4,059,739	40 % directly
L LARVIK BYGG ENTREPRENØR AS	Ordinære aksjer	141,349	-10,442,792	25 % directly
S SKREPPESTADVEIEN 50 AS		547,752	-564,421	25 % indirectly
S SV50 INVEST AS		0	-117,328	25 % indirectly

Limited to direct ownership positions of 0.5% or more.

Last update: Oct 30, 2026