What is the Y-tunnus number of Grant Thornton Oy?

Grant Thornton Oy is registered with PRH / YTJ under Y-tunnus 0581395-9.

What is the revenue of Grant Thornton Oy?

Grant Thornton Oy reported revenue of 10,2 milj. € in 2025.

Grant Thornton Oy employs 73 people as of the latest annual report.

Mikko Jonni Juhani Leporanta is the CEO of Grant Thornton Oy, in role since 2020.

Juha-Pekka Sakari Keimmo chairs the board of Grant Thornton Oy, in role since 2022.

Grant Thornton Oy's registered address is Tietokuja 4.

OYActive

Y-tunnus 0581395-9Tietokuja 4, 00330 HelsinkiAccounting, bookkeeping and auditing activities; tax consultancy· NACE 6920Est. 1984 · 41 years old73 employees

Actively employed in the business

Name	Role	Member since
Current (3)
TT Timo Teemu Edvard Helle Audit	Audit	2025
MJ Mikko Jonni Juhani Leporanta Chief Executive Officer	Chief Executive Officer	2020
RJ Riku Juhani Kärnä Deputy auditor	Deputy auditor	2019

Former (3)


MO Markku Olavi Koskela Audit	Audit	2019 – 2025
JS Juha-Pekka Sakari Keimmo Chief Executive Officer	Chief Executive Officer	2008 – 2020
MG Martin Gustaf Baltscheffsky

Non-executive oversight

Name	Role	Member since
Current (6)
AC André Chistopher Sebastian Engström Board of Directors	Board of Directors	2022
IK Ilkka Kristian Kujala Board of Directors	Board of Directors	2013
SM Satu Maarit Peltonen Board of Directors	Board of Directors	2022
PB Peter Birger Åhman Board of Directors	Board of Directors	2013
JR Jan-Erik Raine Rae Board of Directors	Board of Directors	2022
JS Juha-Pekka Sakari Keimmo Chairperson	Chairperson	2022

Former (3)


JK Joakim Kristoffer Rehn Chairperson	Chairperson	2013 – 2022
MJ Mikko Jonni Juhani Leporanta Board of Directors	Board of Directors	2013 – 2022
CS Camilla Susann Viherlaakso

As of last annual report

No shareholder data available.

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