Strategic tool used to review the effectiveness of a marketing program. A marketing audit is a comprehensive, systematic, periodic evaluation of a company’s marketing capabilities. The audit examines the goals, policies, and strategies of the marketing function as well as the methods of the organization and the personnel who carry out the goals, policies, and strategies of the marketing function. Marketing audits are performed on a regular basis by an unbiased, independent company and are used to improve a company’s overall marketing performance or to establish new marketing plans.