Professional tax software

Stop investing in a software vendor that isn’t invested in you

86% of firms that switch to Thomson Reuters tax suite experience higher realization rates and profits — see the difference for yourself
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Technology for today’s professionals

UltraTax CS and GoSystem Tax RS make preparation easy with robust features and common-sense functionality.

Multi-monitor flexibility

UltraTax CS displays client information, form details, prior-year returns, and advanced diagnostic tools on up to four separate screens.

50+ live APIs

GoSystem Tax RS provides industry-leading REST APIs that automate manual tasks and process multiple requests concurrently — at no extra cost.

Best-in-class form coverage

UltraTax CS supports more state and local tax forms than Intuit Lacerte and provides prompt updates to ensure accurate calculations.

Automated allocations

Special allocation information flows into UltraTax CS automatically, reducing manual data entry and human error.

See the Thomson Reuters difference

  • 69%
    of UltraTax CS users report decreased time to prepare returns, with 24% average time savings*
  • 76%
    of UltraTax CS users report a reduction in number of errors*
  • 15+ minutes
    is the average time saved per return for GoSystem Tax RS users with SPbinder Leadsheets
  • 65%
    of UltraTax CS users report increased client capacity and throughput*

*Customer ROI survey 2024
Lacerte is a registered trademark of Intuit, Inc.

What are customers saying?

I think the most important impact that Thomson Reuters has made for us is the continual focus on the future. GoSystem Tax RS and GoFileRoom, with their continual focus on change and improvements ... I think it’s a huge positive for the firm.

John Bartlett
Technology Manager, Andersen Tax
I always look at ... UltraTax like another employee in my office. That’s how much it does ... It’s looking into everything to make sure that we’re giving an accurate product to our clients.

Shayna B. Chapman
Founder & Chief Strategist, Shaynaco LLC
Because UltraTax is so well developed, I can do a personal return ... probably two or three times faster than I could with other software ... I would probably need 50% more staff to accomplish the same thing I can accomplish with UltraTax.

Joe Montgomery Jr.
Managing Partner, Montgomery & Company, CPAs

Choose a technology partner that grows with your firm

Connect with a Thomson Reuters solution expert to see what groundbreaking functionalities have been missing from your preparation process.

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