Press release

Grant Thornton Australia partnership vote confirms intention to join Grant Thornton Advisors platform

04 Aug 2026 7 min read

Transaction will accelerate Grant Thornton Australia’s ambitions to become the nation’s most modern, cross-border professional services firm – featuring best-in-class technology, client offerings and career pathways.

CHICAGO and SYDNEY – Grant Thornton Australia’s partners have voted to join the Grant Thornton Advisors multinational platform, a rapidly expanding group of nearly 20 aligned firms spanning the Americas, Europe, the Middle East and the Asia Pacific region. 

The transaction is expected to accelerate Grant Thornton Australia’s growth strategy, expanding its access to world‑class AI and technology capabilities, while creating compelling career pathways for its next generation of partners and high‑performing professionals. 

Importantly, the local market culture and agility that define Grant Thornton Australia will be preserved whilst the business will also continue to provide best-in-class advisory and tax services, with its audit practice remaining committed to independence and stringent governance.

Completion is expected in late August 2026, subject to standard regulatory conditions.

“This is a landmark moment for our business,” according to Said Jahani, CEO, Grant Thornton Australia. “Our partners have given their strong endorsement to a transaction that will realise an exciting new chapter for Grant Thornton Australia.” 

“By joining the GTA platform, we gain accelerated access to the world-class technology, AI capabilities, and growth capital needed to build Australia's most modern, globally connected professional services firm while realising remarkable outcomes for our clients, and market-leading career pathways for our people,” continued Said Jahani. 

“Grant Thornton Australia is a standout firm – with strong momentum, exceptional leadership and a culture that has earned deep respect in its market,” said Jim Peko, CEO of Grant Thornton Advisors LLC and leader of its multinational platform. “Its agreement to join our platform reflects a shared ambition: to build something more connected, more capable and more forward-looking for our clients and for our people.”

“Together, we can accelerate growth across the Asia Pacific region while strengthening how we serve clients seamlessly across borders. This is exactly the kind of partnership we seek as we continue to build a differentiated platform with scale and purpose,” continued Jim Peko. 

Grant Thornton Australia will continue to be part of the Grant Thornton International Limited network, which comprises member firms in more than 150 markets worldwide.

Advisers for the transaction include: 

  • Financial adviser to Grant Thornton Australia: Greenhill, a Mizuho Affiliate 
  • Legal advisers to Grant Thornton Australia: Allens; Maddocks 
  • Legal advisers to Grant Thornton Advisors LLC: Simpson Thacher & Bartlett LLP; Gilbert + Tobin

 

About the Grant Thornton Advisors multinational platform

The Grant Thornton Advisors multinational platform is a group of firms within the Grant Thornton International Limited (GTIL) network* that connects priority markets and operates with aligned standards, technology and delivery expectations. The platform is currently home to almost 20 aligned firms stretching from the Americas across Europe and the Middle East to the Asia-Pacific region. These firms bring together more than 25,000 professionals to deliver cross-border solutions powered by advanced technologies, a shared commitment to quality and a growing reputation as the industry’s employer-of-choice. The platform firms operate as separate legal entities. 

*The Grant Thornton International Limited network provides access to its member firms in more than 150 global markets.

“Grant Thornton” refers to the brand under which the member firms in the GTIL network provide services to their clients and/or refers to one or more member firms. Grant Thornton LLP and Grant Thornton Advisors LLC serve as the U.S. member firms of the GTIL network. Grant Thornton Australia serves as the Australian member firm of the GTIL network. GTIL and its member firms are not a worldwide partnership and all member firms are separate legal entities. Member firms deliver all services; GTIL does not provide services to clients.

About Grant Thornton Advisors in the U.S.

Grant Thornton delivers professional services in the U.S. through two specialised entities and their affiliates: Grant Thornton LLP, a licensed, certified public accounting (CPA) firm that provides audit and assurance services — and Grant Thornton Advisors LLC (not a licensed CPA firm), which exclusively provides non-attest offerings, including tax and advisory services.   

Grant Thornton LLP, Grant Thornton Advisors LLC and their respective subsidiaries operate as an alternative practice structure (APS). The APS conforms with applicable laws, regulations and professional standards, including those from the American Institute of Certified Public Accountants.

About Grant Thornton Australia

Grant Thornton Australia is one of Australia’s leading professional services firms, providing audit, tax, and advisory services to a diverse range of clients. The firm combines proven expertise, principled execution, and personalised experience to deliver remarkable client service.

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