According to the articles of association, the company has one (1) auditor that shall be an auditing firm approved by the Finnish Patent and Registration Office. The auditor’s term of office begins from the General Meeting deciding on the auditor’s election and ends at the close of the next Annual General Meeting following its election.

Betolar's Annual General Meeting, which was held on 31 March 2023 resolved to elect PricewaterhouseCoopers Oy, Authorised Public Accountants the auditor until the end of financial year 2023, with Janne Rajalahti, Authorised Public Accountant, as the auditor with principal responsibility.