Simpson Thacher is representing Grant Thornton Advisors LLC (“Grant Thornton Advisors”) and funds managed by New Mountain Capital LLC (“New Mountain”) in connection with the further expansion of Grant Thornton’s multinational platform through the pending acquisitions of Grant Thornton France, Grant Thornton Spain and Grant Thornton Belgium.
The most recent planned additions across Belgium, France and Spain will add nearly 4,000 professionals and the ability to service clients in 35 new locations to Grant Thornton Advisors’ growing multinational network.
The transaction bolsters the rapid growth of the multinational, muti-disciplinary platform that Grant Thornton Advisors established in January 2025. To date, eleven Grant Thornton member firms have banded together under a unified platform backed by the New Mountain Capital led investor group. In recent weeks, Grant Thornton Advisors has also announced transactions to enhance its advisory offerings with Auxis, a pioneer in outsourcing and business modernization services, and Stax, which specializes in commercial due diligence and value creation. Simpson Thacher has represented Grant Thornton Advisors in connection with each of these transactions.
The Simpson Thacher team includes Ben Schaye, Daisy Wu, Lisa Morales, Samyel Lee, Jack Nalen, E.R. Rolwes, Carina Brown, Michael Lazris, Carolina Vieira, Cindy Cai and Richard Starik (M&A); Andrew Blau, Linda Barrett, Allison Sutherland, Hannah Daniels, Nicolas Deguines and Benjamin Faber (Executive Compensation and Employee Benefits); Andrew Purcell, Adam Hersch and Roberto Arza (Tax); Ben Persina, Janhvi Barthwal and Alexandra Cullen (Credit).