New Mountain Capital-backed Grant Thornton Advisors completed the acquisition of Grant Thornton Luxembourg.

New Mountain Capital-backed Grant Thornton Advisors, an independent audit and assurance firm, completed the acquisition of Grant Thornton Luxembourg, a provider of audit, tax & accounting, advisory, technology and financial services. Financial terms were not disclosed. “Scaling our offerings and footprint underscores our focus on advancing a combined platform, with multinational experience and exemplary quality,” Jim Peko, Grant Thornton Advisors CEO.