The objective of an audit is to provide assurance that an assertion corresponds with some established criteria. An audit involves gathering and evaluating evidence to support the assertions and preparing a communication indicating the work done by the auditor and his or her opinion regarding the degree of correspondence between the assertions and established criteria.

Types of Audits

Two primary types of audits are financial audits and compliance audits. In a financial audit, the management of a business asserts that the financial statements are prepared in accordance with generally accepted accounting principles (GAAP), which are the applicable criteria. The financial statement auditor attests to the degree of correspondence between those financial statements and GAAP. In a compliance audit, an individual or business asserts that it is complying with specific laws, regulations, policies or procedures. The compliance auditor provides assurance that the entity is, in fact, complying with those...