What is the Y-tunnus number of SLL-Consulting Oy?

SLL-Consulting Oy is registered with PRH / YTJ under Y-tunnus 0892332-8.

What is the revenue of SLL-Consulting Oy?

SLL-Consulting Oy reported revenue of 124,6 t. € in 2025.

Ona Alexandra Gardemeister is the CEO of SLL-Consulting Oy, in role since 2017.

Jyri Alarik Aho chairs the board of SLL-Consulting Oy, in role since 2023.

SLL-Consulting Oy's registered address is Hitsaajankatu 22.

OYActive

Y-tunnus 0892332-8Hitsaajankatu 22, 00810 HelsinkiBusiness and other management consultancy activities· NACE 7020Est. 1992 · 34 years old— employees

Actively employed in the business

Name	Role	Member since
Current (1)
OA Ona Alexandra Gardemeister Chief Executive Officer	Chief Executive Officer	2017

Former (2)


IT Ilkka Taneli Mustonen Deputy auditor	Deputy auditor	2016 – 2023
RO Risto Olavi Ekholm Audit	Audit	2016 – 2024

Non-executive oversight

Name	Role	Member since
Current (3)
JA Jyri Alarik Aho Chairperson	Chairperson	2023
TJ Tuomas Jussi Pitkänen Board of Directors	Board of Directors	2025
JM Juha Mikael Koivu Board of Directors	Board of Directors	2025

Former (6)


JT Jan-Markus Tapani Hietanen Board of Directors	Board of Directors	2023 – 2024
HT Heli Tuulikki Lindqvist Board of Directors	Board of Directors	2024 – 2025
PJ Peter Johan Östman

As of last annual report

No shareholder data available.

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