Dive Brief:Grant Thornton Advisors is looking to boost its position among U.S. tax and advisory firms through an agreement to acquire industry peer CBIZ. Dive Insight:The deal would allow Grant Thornton Advisors to become the fifth-largest professional services, tax and advisory firm in the U.S., the company said. Joining Grant Thornton Advisors accelerates the realization of that vision.” Upon completion of the transaction, CBIZ will become wholly-owned by Grant Thornton Advisors, and CBIZ common stock will cease to trade and no longer be listed on the New York Stock Exchange. New Mountain Capital, which led a May 2024 investment in Grant Thornton Advisors, is expected to invest incremental equity to support the deal.