Grant Thornton LLP

Grant Thornton LLP
Company typeLimited liability partnership
IndustryAccounting, tax, and business advisory services
Founded1924 (1924) (as Alexander Grant & Co.)
1986 (1986) (as Grant Thornton LLP)
FounderAlexander Richardson Grant
HeadquartersGrant Thornton Tower
Chicago, Illinois, U.S.
Key people
Jim Peko, CEO
Rick Surett, CFO
ProductsProfessional services
Revenue US$1.9 billion (2019)
Number of employees
8,500+
ParentGrant Thornton International

Grant Thornton LLP is the 9th largest accounting firm in the United States with 59 offices across the US, 8,500+ employees, and annual revenues of US$1.9 billion. It is the United States member firm of Grant Thornton International, the 7th largest global accounting network by revenue.

In 2024, the partners of Grant Thornton sold a majority of the firm to New Mountain Capital, a private equity firm, which has significantly impacted the business.