Income Tax—United StatesThe most comprehensive, intuitive corporate income tax software in the market today

Simplify and Enhance Your Returns with Our Corporate Income Tax Software

Emerge as a strategic partner with ONESOURCE Income Tax

For large corporations operating in numerous jurisdictions, the complexities of countless international, federal, state and local income tax forms are nothing short of overwhelming.

As the most comprehensive, intuitive compliance software application in the market today, Thomson Reuters ONESOURCE™ Income Tax simplifies and enhances the corporate income tax compliance process by providing your tax department with access to virtually every type of tax return—and simplifying their completion.

The latest version of ONESOURCE Income Tax brings a consistent user experience and centralized user administration across the entire ONESOURCE direct tax suite so you can complete returns faster. Get right to work by minimizing required client downloads and analyze data in seconds with drill-down and flexible filtering. Plus, new grids easily extract the content you need, when you need it. As a leader in this space, ONESOURCE Income Tax also provides the most secure environment possible to safeguard your data from fraudulent activity.

With ONESOURCE Income Tax, complicated tax forms are simplified, calculations are more accurately computed and filing requirements are met with ease. In turn, your tax department emerges as a strategic partner to your overall organization by shifting your tax team’s focus from tedious, manual inputs to value-added strategic activities—a necessity in today’s challenging regulatory landscape.

Why ONESOURCE Income Tax?

Enhanced compliance both locally and internationally

From US federal to state tax returns, ONESOURCE Income Tax simplifies the determination of the US tax benefits derived from international operations with calculations for foreign tax credits, foreign earnings and profits and deemed paid credits. Additionally, tax departments can enable federal corporate income tax compliance and preparation while providing a comprehensive tax accounting system for trial balance management—not to mention the ability to quickly collect, calculate and summarize state apportionment factors.

Further, with wider calculation options, ONESOURCE Income Tax enables you to simply select the calculations you’d like. Once complete, you can automatically send your corporate tax return forms and schedules to the IRS electronically—and stay up to speed by checking the status from any mobile device.

Control over tax data

Enter data once in ONESOURCE Income Tax and it flows through to all applications and returns, including Thomson Reuters ONESOURCE™ Tax Provision and the Estimated Payments module. If there is a change, make it once and ONESOURCE Income Tax will automatically update and recalculate the appropriate areas. This seamless integration, coupled with the ability to utilize a combination of data elements from other ONESOURCE solutions, allows you to accurately compute and meet necessary filing requirements.

Trusted guidance and customized support

For 50 years, Thomson Reuters has provided personalized field support and dedicated implementation specialists who tailor our solutions to fit our customers’ needs. Further, with an editorial team comprised of experienced tax and accounting professionals, you can rely on our trusted guidance to help you rapidly pivot to address changing business needs and complex tax legislation.

Thomson Reuters maintains its reputation for providing reliable and trustworthy information through a variety of means, including an information security management framework supported by a wide range of security policies, standards, and practices.

This document explains our approach to information security for ONESOURCE Direct Tax Platform. It is designed to answer questions our customers regularly ask

Direct Tax Security White Paper PDF - 1.41mb

Case Study

HCR ManorCare

"The shorter our compliance season becomes, the more we can devote to tax savings."

Andrea Sype
Federal Tax Manager
HCR ManorCare

Read their story

Real Results

Taxologist Joe May


When Joe joined VF Corporation, the department was using Thomson Reuters ONESOURCE™ as a vendor, but they only used basic integration to handle the state apportionment process, and they still relied heavily on manual processes in Excel. How did Joe guide this 110-year-old company into the age of automation?

View Joe's story