A complaint can be filed with the Audit Oversight Board (AOB) if it relates to the audit of financial statements of a public interest company, and the audit is conducted by a firm that is registered — or required to be registered — with AOB.
The official complaint form must be used.
Link: Download Form Here
Complete all fields in the complaint form. Submit it along with any supporting documents through one of the following methods:
By Post:
Office 1406, 14th Floor, ISE Towers, 55-B Jinnah Avenue,
Blue Area, Islamabad 44000, Pakistan
OR
By Email: info@aob.gov.pk