What is the Y-tunnus number of Mariehamns hamn Ab?

Mariehamns hamn Ab is registered with PRH / YTJ under Y-tunnus 2642886-5.

Who is the CEO of Mariehamns hamn Ab?

Alef Gunnar Jansson is the CEO of Mariehamns hamn Ab, in role since 2019.

Tom Rune Forsbom chairs the board of Mariehamns hamn Ab, in role since 2024.

Mariehamns hamn Ab's registered address is Hamngatan 24.

OYActive

Y-tunnus 2642886-5Hamngatan 24, 22100 MariehamnService activities incidental to water transportation· NACE 5222Est. 2014 · 11 years old— employees

Actively employed in the business

Name	Role	Member since
Current (1)
AG Alef Gunnar Jansson Chief Executive Officer	Chief Executive Officer	2019

Former (3)


AJ Andreas Johan Daniel Holmgård Audit	Audit	2020 – 2023
JD Johan David Mattsson Audit	Audit	2014 – 2020
EA Elin Agneta Erlandsson-Björklund Chief Executive Officer	Chief Executive Officer	2018 – 2019

Non-executive oversight

Name	Role	Member since
Current (5)
MJ Mats Johannes Clemes Board of Directors	Board of Directors	2021
TR Tom Rune Forsbom Chairperson	Chairperson	2024
MK Mia Karolin Eklund Board of Directors	Board of Directors	2026
FH Florian Haug Board of Directors	Board of Directors	2024
MM Malin Margareta Skogberg Board of Directors	Board of Directors	2024

Former (7)


RK Roger Karl Helge Jansson Chairperson	Chairperson	2014 – 2022
SA Sara Alexandra Kemetter Board of Directors	Board of Directors	2014 – 2022
JC Jill Caroline Fredrickson

As of last annual report

No shareholder data available.

Beneficial ownership (UBO) data access is restricted in Denmark as of September 2025 per the EU 6th AML Directive. Learn more.