Grant Thornton Advisors has announced agreements to broaden its multinational platform, initially formed in January with Grant Thornton Ireland.

The platform will now encompass Grant Thornton Switzerland/Liechtenstein and Grant Thornton Limited in the Channel Islands.

This expansion follows earlier transactions that included partnerships with firms in the UAE, Luxembourg, the Cayman Islands, and the Netherlands.

The multinational platform aims to provide clients across three continents with enhanced access to cross-border services.

The accounting firm expects the addition of Switzerland, Liechtenstein, and the Channel Islands, to bolster its advisory and tax solutions.

The move is also expected to enhance its independent audit and assurance practices, creating a more unified service offering.

The company noted that the expanded network will connect professionals in key European financial hubs, including Zurich, Geneva, Jersey, and Guernsey.

This growth complements existing connections in Bermuda, the Cayman Islands, and the UAE.

With the latest agreements, the platform will now encompass around 13,500 professionals across nearly 60 offices worldwide.

The initiative is supported by an investor group led by New Mountain Capital, which manages approximately $55bn in assets.

The expanded multinational platform will remain part of the Grant Thornton International Limited network, which includes member firms in over 150 markets globally.

Grant Thornton Switzerland/Liechtenstein CEO Erich Bucher said: “I am delighted about this positive development and am convinced that it is the right step for our firm in the current turbulent market environment.

“It opens up completely new perspectives for us and will enable us to push ahead with our growth strategy much more quickly.”