Grant Thornton Advisors has expanded its multinational platform by adding Grant Thornton UAE, Grant Thornton Luxembourg and Grant Thornton (Cayman) to its network.

The expansion follows the company’s October agreement with Grant Thornton Ireland to align their advisory and tax operations.

US-based Grant Thornton Advisors also confirmed that it remains in ongoing discussions with other potential partners.

The enlarged platform, backed by New Mountain Capital, will remain integrated within the Grant Thornton International network, which includes member companies across over 150 markets globally.

By joining forces, the five companies are expected to be able to offer a wider range of services to an expanding clientele and improve the quality and expertise of their integrated advisory and tax offerings.

The merger also strengthens Grant Thornton’s independent audit and assurance practices and bolsters its presence in major financial centres.

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Furthermore, it enhances expertise in key growth industries such as banking, asset management, insurance and energy.

The expanded unit will have a team of over 13,000 professionals across more than 50 offices in the US, Ireland, the United Arab Emirates (UAE), Luxembourg, the Cayman Islands and other regions.

Jim Peko, CEO of Grant Thornton Advisors, will lead the platform, with existing leadership continuing in the new regions.

Peko said: “Scaling our offerings and footprint underscores our focus on advancing a combined platform, with multinational experience and exemplary quality.

“In a fast-moving business environment, clients need trusted advisors that deliver high-quality and innovative solutions across dynamic high-growth sectors and geographies. Our focus is on creating a world-class client experience.”

New Mountain Capital managing director Andre Moura said: “This platform is unlike any other in the accounting and consulting industry – delivering a singular experience and exceptional quality.

“We look forward to supporting Grant Thornton Advisors in bringing together additional service providers in our united, global structure.”

Transactions with Grant Thornton Luxembourg and Grant Thornton (Cayman) are subject to regulatory approvals and standard closing conditions.