What is the Y-tunnus number of SYS Audit Oy?

SYS Audit Oy is registered with PRH / YTJ under Y-tunnus 0755414-5.

What is the revenue of SYS Audit Oy?

SYS Audit Oy reported revenue of EUR 7,4M in 2025.

Tapani Kristian Kärkkäinen is the CEO of SYS Audit Oy, in role since 2024.

Lauri Johannes Heinonen chairs the board of SYS Audit Oy, in role since 2020.

SYS Audit Oy's registered address is Aholaidantie 3.

OYActive

Y-tunnus 0755414-5Aholaidantie 3, 40320 JyväskyläAccounting, bookkeeping and auditing activities; tax consultancy· NACE 6920Est. 1989 · 37 years old— employeeswww.sysaudit.fi

Actively employed in the business

Name	Role	Member since
Current (4)
PC Pasi Christian Klemetti Deputy Chief Executive Officer	Deputy Chief Executive Officer	2024
TJ Timo Jaakko Ollila Audit	Audit	2022
JP Juha Pentti Pesola Deputy auditor	Deputy auditor	2022
TK Tapani Kristian Kärkkäinen Chief Executive Officer	Chief Executive Officer	2024
Former (4)
RJ Reijo Juhani Korpela Audit	Audit	2010 – 2022
JP Jukka Pekka Sorjonen Chief Executive Officer	Chief Executive Officer	1995 – 2020
JV Jukka Veikko Tapani Reimi Deputy auditor	Deputy auditor	2010 – 2022
TA Teemu Antero Laitinen Chief Executive Officer	Chief Executive Officer	2020 – 2024

Non-executive oversight

Name	Role	Member since
Current (3)
AH Anni Hannele Kilpinen Board of Directors	Board of Directors	2020
AP Antti Pekka Johannes Nurmonen Board of Directors	Board of Directors	2023
LJ Lauri Johannes Heinonen Chairperson	Chairperson	2020
Former (4)
TO Timo Olavi Filipoff Board of Directors	Board of Directors	2020 – 2023
KJ Kari Johannes Hyvönen Chairperson	Chairperson	2010 – 2020
KI Kati Irene Leinonen Board of Directors	Board of Directors	2020 – 2022
AP Anssi Petteri Tikkanen Board of Directors	Board of Directors	2010 – 2020

As of last annual report

Shareholder	Type	Ownership	Votes	Since
SYS Group Oy	Company	100%	100%	2023

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