Ryan, LLC is a global tax consulting firm offering strategic tax advisory, compliance and technology-enabled tax services to businesses.
Ryan provides tax advisory, compliance and legal services, along with tax technology and software, for Global 5000 corporations and mid-sized companies in sectors such as healthcare, manufacturing and telecommunications. Founded in 1991 and based in Dallas, Texas, it was founded by Lindsay Ryan, Philip Ryan, Ramin Rajabi and Tim Dinh. In February 2026, Ryan acquired Meritax Advisors; Ryan is a portfolio company of Onex, Neuberger Berman and Ares Management Corporation. The deal expands its property tax valuation and advisory capabilities.
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