12 Nov 2025
Grant Thornton Advisors to Expand European Platform with Addition of Grant Thornton Poland
"Simpson Thacher represented Grant Thornton Advisors in its plan, backed by an investor group led by New Mountain Capital, to add Grant Thornton Poland—bringing 1,200+ professionals and about US$70 million in annual revenue—into a 14-firm global platform. The expansion deepens Grant Thornton’s European footprint and complements recent growth in the Americas, Middle East and Asia-Pacific. Transaction subject to definitive documentation and regulatory approval."