Ryan Acquires Brayn Consulting LLC

Ryan Acquires Inspired Corporate Advisory Limited

June 5, 2025

Accounting & Tax

Ryan, a global tax services and software provider, has acquired Northern Ireland-based Inspired Corporate Advisory Limited, a specialist tax advisory and compliance firm focused on R&D, capital allowances and patent box incentives. The deal adds roughly 16 tax professionals and two new offices (Holywood and Dungiven), expanding Ryan's regional capability in Northern Ireland and the Republic of Ireland and strengthening its corporate tax incentives and compliance offering.

Ryan Acquires Greystone Property Tax Advisors

May 10, 2022

Accounting & Tax

Ryan, a global tax services and software firm headquartered in Dallas, has acquired Greystone Property Tax Advisors, a property tax consulting practice located outside Boston, Massachusetts. Founder William Quigley Jr. and his team will join Ryan's Property Tax practice, expanding Ryan's property tax consulting capabilities and market coverage across the United States.

Ryan Acquires Catax, UK R&D and Capital Allowances Tax Firm

March 8, 2022

Accounting & Tax

Ryan, a global tax services and software provider, has acquired Catax, a Manchester-based specialist in R&D tax credits and capital allowances with operations in the UK and Canada. The acquisition broadens Ryan's R&D and capital allowances capabilities and expands its SR&ED practice in Canada while adding more than 100 specialists and 7,000+ clients to Ryan's global tax services platform.

Ryan Acquires RTC Consulting

March 13, 2023

Accounting & Tax

Ryan, a global tax services and software provider, has acquired RTC Consulting, a Canadian SR&ED (scientific research and experimental development) tax consultancy founded in 1989. The acquisition expands Ryan’s SR&ED technical expertise and service offering in Canada; RTC founder Peter Kustec will join Ryan as a Principal in the firm’s SR&ED practice.

Ryan Acquires Australian R&D Tax Credits Firm TCF Services

January 4, 2021

Professional Services

Ryan, a global tax services and software provider, has acquired TCF Services, an Australian R&D tax incentive and government grants consulting firm with offices in Sydney and Melbourne. The acquisition expands Ryan’s Australian presence and R&D tax credit capabilities, adding experienced tax professionals and client relationships to Ryan’s Asia‑Pacific team.

Ryan Acquires Property Tax Advisors LLC

September 10, 2024

Accounting & Tax

Ryan, a global tax services and software provider headquartered in Dallas, has acquired Property Tax Advisors LLC, a Virginia-based property tax consulting firm led by Michael Donohue. The acquisition expands Ryan's property tax expertise and brings the target's specialists into Ryan's broader tax and real estate advisory platform.