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UltraTax CS 

Professional tax software for tax preparers and accountants

Why choose UltraTax CS

Automate your entire business or professional tax preparation using the powerful, timesaving tools included with Thomson Reuters UltraTax CS professional tax software.

You'll access a full line of federal, state, and local tax programs including 1040 individual, 1120 corporate, 1065 partnership, 1041 estates and trusts, and multi-state returns.

UltraTax CS seamlessly integrates with other Thomson Reuters solutions, including CS Professional Suite and Onvio cloud software, so you never lose any billable hours to manual processing. Meet all of your tax workflow needs with a customized, end-to-end solution built on cloud computing, advanced data sharing, and paperless processing.

CPA Practice Advisor once again awarded UltraTax CS its highest 5 star rating in 2020 in their annual review of professional tax software systems.

What you get with our powerful professional tax software

Multiple monitor flexibility

View input, forms, prior year input, diagnostics, and more on up to 4 separate monitors — all at once.

Instant prep checklist

Start each year with a checklist that instantly pulls in a list of fields with your client’s data from last year’s return.

Easy data sharing

Automatically link returns using Tax ID numbers, so there's no need to manually link 1120S, 1065, or 1041 returns to the 1040 return.

Advanced e-file capabilities

Use e-file tools to monitor each step of the e-file process and ensure that returns are complete and accurate.

Multi-state processing

Use the Apportionment grid for business returns and Multi-State Allocation grid for Schedule C or K-1 income across states.

UltraTax CS eSignature

Add-on module for UltraTax CS that lets you easily gather electronic signatures for tax documents from anywhere.

See UltraTax CS in action

Demo: Eliminate time-consuming tasks

End repetitive data entry and see all the ways UltraTax CS can help you complete returns faster, ensure accuracy, and add value for your clients.


Demo: Streamline your business tax workflow

UltraTax CS works seamlessly with Workpapers CS and the document management and portal features in Onvio Firm Management to eliminate manual processes and power your business tax preparation.

Demo: Simplify your individual tax process

From initial data collection, through preparation, review and final delivery, UltraTax CS integrates with Onvio cloud software to deliver an automated tax workflow.


Plans and pricing

Choose the package you need to serve your clients


UltraTax CS Express 100


Our world class tax compliance software with support to prepare and e-file up to 100 returns. Includes:

  • Single-user access
  • Up to 100 individual 1040 federal tax returns
  • Corresponding state returns for up to 10 unique states
  • Up to 25 business returns in form types: 990, 1120, 1065, 1041**
*The initial purchase price will be subject to standard annual price increases upon renewal. This offer is available to new tax software customers and for non-current UltraTax CS customers only.
**Business returns will be deducted from your 100-return allotment.


UltraTax CS

Price varies by plan features

Our most popular plan. Prepare and e-file returns for as many clients as you need, including:

  • Unlimited users
  • Unlimited tax returns
  • All applicable states and jurisdictions
  • All forms and unlimited entity types
  • Advanced tax planning capabilities and asset management software

Integrate UltraTax CS with these products and services to streamline tax preparation

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    After the tax return is quickly prepared, reviewed, and e-signed, send the client copy of the return to their private account, the firm copy to your document management software, and e-file the government copies to complete a fully paperless tax workflow.

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    Automatically track and record staff time at every step of the process, invoice clients through their accounts, and let them pay by credit card.

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Two ways to use UltraTax CS in the cloud

Our hosted solutions offer remote software access, relieving you of IT burdens and providing top security for you and your clients' data.

Virtual Office CS

Get anytime, anywhere online access to CS Professional Suite and select Microsoft® products in the cloud.

Software as a Service for CS Professional Suite (SaaS)

Lease online versions of our entire award-winning CS Professional Suite, plus Microsoft® Office and Exchange.

Find out why these tax professionals chose UltraTax CS


Cut tax workflow time

Integrity Tax and Accounting saved up to 10 minutes per tax return by using UltraTax CS.


Access to endless resources

Hear what UltraTax CS tools Bing & Associates use most, and why they love them.


Easy to implement and use

Find out why UltraTax CS was the best choice in tax software for Papin CPA.

UltraTax CS is tantamount to an employee ... because the software is so capable of preparing the complicated tax returns that all practitioners end up doing over time. I haven’t run across a form yet that UltraTax CS can’t handle.

Request a free demo

See how UltraTax CS could address specific issues your firm may be having with your current tax workflow. Fill out this brief form to request your demo now.

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