According to its Articles of Association, Posti Group Corporation has 1-3 auditors. The auditor must be an authorized public accountant or a firm of authorized public accountants certified by the Finnish Central Chamber of Commerce.

The AGM decided to set the number of auditors at one. In 2015, the auditor is PricewaterhouseCoopers Oy, with Merja Lindh, Authorized Public Accountant, as the principal auditor.
The AGM decided to set the number of auditors at one. In 2014, the auditor is PricewaterhouseCoopers Oy, with Merja Lindh, Authorized Public Accountant, as the principal auditor.