The All-Inclusive Professional Tax Software

Desktop with Business Returns

UltimateTax 1040 + Corporate adds value to your growing business.


Call 866-686-7211 to explore options.

Provide Excellent Tax Preparation Services

Guarantee clients’ satisfaction with:

System Requirements
Windows® 10
Intel® Core™ i5 (newer or equivalent)

8 GB Memory (RAM)

3 GB on solid state drive

1920×1080 (1080p or 1080i) Display

Internet Explorer® 11 or Edge Browser

Laser Printer

Minimum System Requirements
Windows® 8.1

2.8 GHz processor

4 GB Memory (RAM)

3 GB Available Hard Disk Space

1024×768 or higher display

Internet Explorer® 11 or Edge Browser

Inkjet (non- W-2/1099 forms);
Laser (W-2/1099 forms) Printer

Free Software Data Conversions

Save at least 6 hours more with FREE data conversions from your previous tax software to UltimateTax software. Tax preparers don’t have to worry about your clients’ past tax documents.

Software specialists are available to help you without any fuss or additional charges. Your tax office will be ready for tax season in no time!

*If you do not see your current tax preparation software here, contact us. We convert many programs you may not see here or programs that go by different names.

Free Software Data Conversions

Prepare Taxes Using Templated Forms
Including All States

Get more clients with the unlimited federal and state returns in UltimateTax Desktop 1040 software. File individual tax returns from any states with templated forms available.

1040 + Corporate Includes:

  • Fiduciary 1041
  • Partnership 1065
  • C Corporation 1120C
  • S Corporation 1120S
  • Estate Tax 706
  • Gift Tax 709
  • Exempt Organization 990
  • Miscellaneous – 1023, 1120F, 1120H, 1128, 2290, 2553, 3115, 433A, 3911, 656, 8282, 8857, SS4, W9 and more

Grow your clients and offer business returns services.

Offer Unlimited E-Filing for your Clients


File unlimited returns electronically without additional fees. Guarantee your client 100% IRS compliance through tax e-filing. Take on more clients with a faster and more efficient way of filing tax returns.

Ensure accuracy for all tax returns prepared

Add security to the tax forms you prepare with UltimateTax Desktop 1040 + Corporate’s Smart Diagnostics. It automatically checks calculations and entry fields left blank. The professional tax software prompts you with possible errors before you file any tax returns.


Add convenience to your clients with the e-Signature feature. Let your clients sign their tax returns electronically in compliance with the IRS standards.

Maximize Your Earning Potential

Offer solutions to your clients by offering bank products. Provide refund options to your clients that will save them time and reduce their wait for their refund. The best part is that for 75 or more funded bank products, you can get UltimateTax 1040 + Corporate for FREE. That’s additional savings for your tax preparation business!

UltimateTax provides the best negotiated, financially rewarding bank rebates in the industry. Your volume determines your rebate. To get your software for FREE, sign a contract with UltimateTax for your committed bank product volume. The signed contract benefits you for your additional fees and protects your income stream. Get an UltimateCash™ Bonus based on the volume of bank products you’ve provided to your clients!

Free Software With

75+ Funded
Bank Products

Preparing a tax return

Speed Up Your Turnaround Time
With Its Easy Software Interface

Launch Pad, Interview Mode, and Reports

Understanding UltimateTax Desktop 1040 + Corporate tools and features take up no time at all! Designed with the simplest interface, new users can start using professional tax software from Day 1. Tax professionals can provide better services and increase business!

Launch Pad

Customize your buttons in your Launch Pad. Setting up to start your day will be a breeze. Get through the data entry on multiple tax returns in a short period of time. All quick links you need are in one place! Working on the optimal user interface helps improve the tax preparation process.

Interview Mode Data Entry

Guide your clients in providing their tax data using the Interview Mode feature. Enter the client data and fill up standard tax forms fields easily. Input the client information once and prepare as many tax forms needed for your client. New and seasoned tax professionals will appreciate how easy data entry is on the UltimateTax desktop software.

Detailed Reports

Generate detailed reports and be on top of everything at the office. Keep track of all tax returns’ statuses. Improve client satisfaction with data based decisions and improve your tax business!

Work Seamlessly and Get Any Question
Answered with 365 Service

Questions never go unanswered with UltimateTax’s 365 Service. Call, chat, or email for any technical and customer support needed. With UltimateTax, you get superior customer service.

Need extensive help with the professional tax software? Show your screen and let’s investigate how to fix any problem. All UltimateTax agents are professionally trained and knowledgeable on both the software and the tax industry.

If you’re in a hurry, you can consult the Knowledge base and training videos included in the professional tax software.

Revenue Generating Add-On Products

Work more efficiently and get more out of your day

The Vault

Prior Year Software

Access to the last 10 years of
desktop software.

Prior year software of the desktop version can be purchased at a discounted price.

Available for $299