Auditing is defined as the on-site verification activity, such as inspection or examination, of a process or quality system, to ensure compliance to requirements. An audit can apply to an entire organization or might be specific to a function, process, or production stepWhat is the purpose of auditing? The purpose of an audit is to form a view on whether the information presented in the financial report, taken as a whole, reflects the financial position of the organisation at a given date, for example: Are details of what is owned and what the organisation owes properly recorded in the balance sheet?What are the 3 types of audits? There are three main types of audits: external audits, internal audits, and Internal Revenue Service (IRS) audits. External audits are commonly performed by Certified Public Accounting (CPA) firms and result in an auditor's opinion which is included in the audit report.