Home / Accounting & Auditing Center / Accounting Firms

Accounting Firms

The Big Four


Each one of the big four is actually a network of independent firms who have entered into agreements with other member firms in the network to share a common name. Their agreements also set quality standards; each member is still an independently owned and operated organization.

Here’s a list of the Big Four firms

Together, the companies that make up the big four audit more than 78 percent of all U.S. public companies, according to the U.S. General Accounting Office.

Here’s a listing, with links to their websites, of the top 100 accounting firms.