Products & Services
To serve the Big Four firms' need for objective competitive intelligence, ARG tracks auditor changes, audit fees as disclosed on proxy statements, initial public offerings, and mergers & acquisitions among public companies, with data dating back to 1990. ARG also conducts unique primary research covering major private companies to determine audit market share. This data is offered to clients in an integrated package in order to provide Big Four leadership a comprehensive and real-time picture of the professional services industry's competitive landscape.

Just released in an new update , ARGI's 2009 Big Four Annual Report answers the need for independent comparison and assessment of Big Four firms in terms of revenue, profitability and market share.