Grant Thornton LLP, a leading provider of audit, assurance, tax, and advisory services in America, secured a significant growth investment from New Mountain Capital and CDPQ, a global investment group headquartered in Canada. This investment aims to accelerate Grant Thornton’s business strategy. Alongside New Mountain Capital and CDPQ, OA Private Capital also made a minority investment.

CDPQ’s involvement underscores its commitment to supporting high-quality businesses. New Mountain Capital’s managing directors, Andre Moura and Nikhil Devulapalli, praised Grant Thornton's focus on quality and client experience, expressing enthusiasm for investing in technology and new service lines to further drive growth. Seth Siegel, CEO of Grant Thornton Advisors LLC, and Jim Peko, COO, highlighted the potential for enhanced technology and expanded capabilities to benefit clients and team members.

Grant Thornton Advisors LLC, which provides business advisory and non-attest services, will continue to operate under an alternative practice structure, while Grant Thornton LLP, a licensed CPA firm, will provide attest services. The firm remains part of the Grant Thornton International Limited network, ensuring global reach.

Legal advisors for the deal included Guggenheim Securities, LLC and Jefferies LLC for New Mountain Capital, with legal counsel from Simpson Thacher & Bartlett LLP and Hunton Andrews Kurth LLP. Jones Day advised CDPQ, and Gibson, Dunn & Crutcher LLP advised OA Private Capital. Deutsche Bank Securities Inc. served as sole financial adviser to Grant Thornton, with Dechert LLP, Vedder Price P.C., and Mayer Brown LLP providing legal advice to Grant Thornton and its Partnership Board.