Mergers and Acquisitions

Grant Thornton Closes on Planned U.S./Ireland Combination

Grant Thornton in the U.S. and Ireland Close Transformational Transaction Creating Global Multidisciplinary Platform.

Michael Webb | January 03, 2025

Grant Thornton Advisors LLC in the U.S. and Grant Thornton Ireland have closed their previously announced transaction to create a global multidisciplinary platform providing audit, advisory and tax services to a growing international client base.

The transaction was backed by an investor group led by New Mountain Capital, a leading growth-oriented investment firm with approximately $55 billion in assets under management.

The new platform of roughly 12,000 professionals will include a united Trans-Atlantic advisory and tax practice, as well as independent audit practices. Its more than 50 global offices will span the U.S., Ireland and other territories. The new organization will continue to be part of the Grant Thornton International Limited network, which provides access to more than 150 markets globally.

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