Auditing is the process of reviewing and investigating any aspect of a business, whether financial or nonfinancial. Auditors are fully trained to spot areas of needed improvement, potential dangers and incidents of unethical conduct in their area of expertise. Audits can disrupt the normal flow of business in a company, but the ability to spot and address potential weaknesses can outweigh any temporary losses of productivity. Among the range of issues audits can review are human resources policies, operational procedures, quality or safety policies and, of course, accounting audits.ycle audit to name a few.