- CS Professional Suite
- Professional tax software for tax preparers | UltraTax CS

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.
What you get with our powerful professional tax software
View input, forms, prior year input, diagnostics, and more on up to 4 separate monitors — all at once.
Start each year with a checklist that instantly pulls in a list of fields with your client’s data from last year’s return.
Automatically link returns using Tax ID numbers, so there's no need to manually link 1120S, 1065, or 1041 returns to the 1040 return.
Use e-file tools to monitor each step of the e-file process and ensure that returns are complete and accurate.
Use the Apportionment grid for business returns and Multi-State Allocation grid for Schedule C or K-1 income across states.
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
basic
UltraTax CS Express 100
$2,500/year*
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**
- Unlimited access to 1,800+ CPE credits with the Checkpoint Learning Professional CPE subscription (a $289 value)
comprehensive
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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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.
Get anytime, anywhere online access to CS Professional Suite and select Microsoft® products in the cloud.
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.