Grant Thornton Stax Advises WilliamsMarston on its Recent Acquisition of AIT Consulting Services

Grant Thornton Stax Advises WilliamsMarston on its Recent Acquisition of AIT Consulting Services

July 16, 2025
July 16, 2025

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Grant Thornton Stax extends its congratulations to WilliamsMarston, a national leader in accounting, tax, valuation, and transaction advisory services, on its recent acquisition of AIT Consulting Services, a premier OneStream Software advisory and consulting firm. We are proud to have provided investment advisory support to WilliamsMarston in this successful transaction.

Established in 2018, AIT Consulting (AIT) is a top-tier advisory firm and Diamond OneStream Partner, focused on maximizing the impact of OneStream’s corporate performance management platform. The firm brings a unique blend of technical systems expertise and deep financial and accounting knowledge to deliver transformative solutions. AIT has a strong track record of enhancing financial consolidation, budgeting, forecasting, and close processes for a diverse client base, including large enterprises and private equity-backed businesses. The firm has also developed proprietary tools within the OneStream ecosystem that drive efficiency and deliver tangible business outcomes.​

Contact the Grant Thornton Stax team to learn more:

WilliamsMarston logo
AIT Consulting logo
WilliamsMarston logo
AIT Consulting logo
WilliamsMarston logo
WilliamsMarston logo
AIT Consulting logo
Paul Edwards

Global Practice Leader

Image of Tyler Michaels

Associate Director

Associate Director

About Grant Thornton Stax

Grant Thornton Stax is a global management consulting firm serving corporate and private equity clients across a broad range of industries including software/technology, industrials, business and information services, healthcare and HCIT, consumer, and tradeshows and events. 

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