Ryan, LLC

Global business-tax advisory and software firm known for tax recovery, property tax, credits and incentives, and compliance technology.

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Highlights

Founded in 1991

Launched as Collis & Ryan, P.C. in Dallas on July 15, 1991.

5,900+ team members in 2024

Ryan reported more than 5,900 team members worldwide.

77,000+ clients in 80+ countries

Reported in Ryan's 2024 firm history.

$1.24B approximate 2024 revenue

Ryan reported approximately $1.24 billion in revenue for 2024.

7th-largest U.S. corporate tax practice

Ryan describes itself as the seventh-largest corporate tax practice in the United States.

Largest property-tax practice in North America

Ryan makes this claim for its property-tax practice and related service infrastructure.

About Ryan, LLC

Ryan was founded in Dallas on July 15, 1991, as Collis & Ryan, P.C., providing state and local tax audit defense and recovery services. Its global headquarters are now in Plano, Texas.

The firm provides federal, state, local, international, and transaction-tax services, including recovery, consulting, advocacy, compliance, credits and incentives, property tax, and tax technology. Its software offering now includes tax.com™, covering property tax, unclaimed property, transfer pricing, indirect tax, and grants and incentives.

Ryan is particularly strong in specialized business-tax work rather than general audit or broad management consulting. Its largest areas of differentiation are property tax, indirect tax, tax recovery, credits and incentives, and technology-enabled compliance for large corporate clients.