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Services
Services
- Recovery
  
  Recovery
  
  Last year alone, Ryan recovered more than $4 billion in tax savings for our premier global clients.
- Consulting
  
  Consulting
  
  Ryan’s strategic advisory services improve overall tax performance, helping clients achieve greater profitability, cash flow, and shareholder value.
- Advocacy
  
  Advocacy
  
  We offer strategic advantages that are unmatched by ordinary accounting and consulting firms. Our services are not restricted by the Sarbanes-Oxley Act of 2002, so we serve as your advocate, without cumbersome regulatory restrictions.
- Compliance
  
  Compliance
  
  We function as an extension of your tax department to streamline operations, manage resources, eliminate manual processes, minimize overpayments, and substantially reduce risk.
- Technology
  
  Technology
  
  Ryan delivers a wide array of tax technology and software solutions designed to transform the tax function and improve profitability.
- Legal
  
  Legal
  
  Ryan Legal Services, PLLC is a next generation law firm working with Ryan to provide end-to-end tax solutions.
Ryan Software
- Ryan Software
  
  Ryan Software
  
  Ryan Software is rooted in the knowledge and experience gained by Ryan professionals solving the most complex issues for many of the Global 5000 corporations.
Industries
Industries
News & Insights
- News & Insights
  - Tax Development Feb 14, 2025
    
    Sweet Home Alabama Tourism Incentive
  - Tax Development Jan 31, 2025
    
    Virginia: Arlington County Real Estate Assessments Are Set to Increase Again in 2025
  - Tax Development Jan 30, 2025
    
    California Proposes New Certified Data Center Facility Exemption
  - Tax Development Jan 29, 2025
    
    Internal Revenue Service Finalizes New Rules for Investment Tax Credit (IRC 48 and 48E) and Production Tax Credit (IRC ...
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- Press Room
  - Press Release Feb 03, 2025
    
    Ryan Named One of the Top 10 Best Tax Engine Implementation Service Providers of 2025
  - Press Release Jan 02, 2025
    
    Ryan Completes Acquisition of Altus Group’s Property Tax Services Business
  - Press Release Dec 19, 2024
    
    Ryan Named to the Newsweek Excellence 1000 Index 2025
  - Press Release Dec 17, 2024
    
    Ryan Named One of the Best Places to Work in Pennsylvania by the Best Companies Group for the 13^th ...
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- Events and Webinars
  - Webinar Mar 06, 2025
    
    The Changing Landscape of Unclaimed Property: A Panel Discussion (Webinar)
  - Webinar Dec 18, 2025
    
    Canadian Sales Tax Trainings
  View All
About Ryan
About Ryan

Ottawa Office

Phone: 613.702.6112
Fax: N/A

Directions 343 Preston Street
11th Floor Ottawa, ON K1S 1N4

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