Grant Thornton Advisors platform has disclosed plans to expand its presence in Europe by adding Grant Thornton Poland to strengthen the platform’s cross-border professional services.
The transaction is supported by a group of investors led by New Mountain Capital.
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In January 2025, Grant Thornton Advisors LLC established a multinational and multidisciplinary platform, offering “premier” advisory and tax services, along with independent audit practices.
Once completed, the integration will bring more than 1,200 Grant Thornton Poland employees and approximately $70m in annual revenue into Grant Thornton Advisors platform .
This addition increases the number of firms on the platform to 14 worldwide, with eight located in Europe.
Grant Thornton Poland has seen considerable growth during the past ten years, expanding its workforce threefold and boosting revenue five times over both through organic development and acquisitions.
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By GlobalDataThe firm delivers audit, tax, legal, payroll and accounting services, and offers advisory support related to mergers and acquisitions as well as digital consulting.
Grant Thornton Poland CEO Tomasz Wróblewski said: “The multinational platform we are joining creates unprecedented opportunities — both for us and for our clients. Through this collaboration, we gain access to advanced technological solutions, many powered by AI.
“And this is precisely what our employees and clients expect from us. Moreover, a consistent and fully integrated platform offers clients even better cross-border service and provides our employees with opportunities for development in a multinational environment.”
The move is part of a broader strategy to develop the platform’s international footprint. Previous expansions have included firms in the Americas, Middle East, and Asia-Pacific regions.
Recent additions include companies in the Cayman Islands, UAE and New Zealand.
In the US, specialised firms such as Auxis and Stax have also joined the platform.
Following this integration, the expanded group will remain within Grant Thornton International Limited, which maintains a network of member firms across more than 150 markets globally.
Completion of the transaction is subject to final legal documentation and regulatory clearance.
Grant Thornton Advisors CEO Jim Peko stated: “Making Grant Thornton Poland part of the platform, which blends local expertise with multinational scale, will allow us to bring new levels of integrated service and quality to Central and Eastern Europe.”
