According to the Dow Jones Private Equity Analyst's "Guide to Law Firms" (March 2008), Mayer Brown ranked 5th in the list of the "most active law firms by number of funds," representing general partners and limited partners in the formation of 288 funds.

The same survey ranked Mayer Brown 18th for private equity and venture capital deals negotiated and closed in 2007 for a total of 178 deals.