Many businesses and corporations in the United States are required to be audited every year as part of the over regulation of America. Unfortunately this takes its toll on American Businesses because there are a shortage of accounting firms willing to do these audits.

Additionally just because you have your audit done does not mean that satisfies the regulations as audits require peer reviews which also take time; sometimes longer than the audit its self to get back you see. Further each auditing accounting firm has noticed an increase in errors and omissions insurance making them less likely to take on audits as part of their accounting practice.

Large Corporations use large Big Three Accounting Firms, but smaller companies use who ever they can find and/or afford. With the Sarbanes-Oxley Law (SOX) it makes it really hard to jump thru all the hoops for small accounting firms and thus they choose not to endure it and no longer offer