Ryan, LLC
Ryan, LLC, founded in 1991, provides business tax recovery, consulting, advocacy, compliance, and tax technology services to over 18,000 clients in more than 60 countries.
Ryan, LLC develops tax technology and software alongside tax compliance technology and tax data and recovery analytics. The firm, founded in 1991, describes itself as the world's largest firm dedicated exclusively to business taxes, and combines domain expertise with technology across an integrated suite of federal, state, local, and international tax services. Its technical work supports tax recovery, consulting, advocacy, and compliance functions.
Among its offerings, Tax Recovery Services operates on a performance-based business model and recovers more than $4 billion in tax savings for clients annually. The firm also sells Tax Technology Solutions, software designed to complement its services, and provides compliance services covering federal, state, local, and international tax obligations. Clients number more than 18,000 across more than 60 countries, with a geographic presence spanning North America, Europe, and Asia-Pacific.
The company has been named to Fortune's 100 Best Companies to Work For for five consecutive years and ranked first on Glassdoor's Best Places to Work in Consulting, Finance, and Insurance for 2026. Ryan, LLC is headquartered in the United States and maintains a website at ryan.com.