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Norway
Jan Juul Tonga

JJ

Jan Juul Tonga

Chief Executive Officer, MASTEMYR HOLDING EIENDOM AS

NO1 active role

Overview Companies & roles Network

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Norway · Data sourcesRisika·Brønnøysundsregistrene

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Free Nordic company intelligence — financials, ownership and corporate hierarchy across Denmark, Norway, Sweden and Finland. By Risika.

Markets

Denmark
Norway
Sweden
Finland

Data sources

CVR / Virk
Brønnøysundsregistrene
Bolagsverket / SCB
PRH / YTJ

Product

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© 2026 Risika A/S · Riskpilot is operated by Risika A/S, CVR 37677892Data updated daily from official Nordic registers

Overview

Active roles

1

directorships & management

Past roles

1

historical positions

Dissolved companies

0

in directorship history

Career timeline

2012 – now
Chief Executive Officer, MASTEMYR HOLDING EIENDOM AS
1996 – 2024
Chief Executive Officer, MASTEMYR BYGG AS

Personal details

Nationality

NO