The corporate's financial statements for the financial years 1 January – 31 December 2023, 1 January – 31 December 2022, 1 January – 31 December 2021, 1 January – 31 December 2020 and 1 January – 31 December 2019 have been audited by the audit firm PricewaterhouseCoopers Oy as the principal auditor Sami Posti, APA.

The audit of the company's financial statements for the financial year 1 January – 31 December 2024 has been audited by the audit firm KPMG Ltd as the principal auditor Juha Väärälä.