Grant Thornton Ireland merges advisory and tax businesses with U.S.-based Grant Thornton Advisors for €300M in combined revenue and expanded international reach.

Grant Thornton Ireland will merge its advisory and tax businesses with U.S.-based Grant Thornton Advisors, backed by private equity firm New Mountain Capital. The Irish audit business will remain independent. The merger aims to create a leading integrated professional services firm with over €300 million in combined revenue, enhancing international reach and client services. The deal is expected to finalize in early next year.