- Corporate Income Tax Software | Thomson Reuters ONESOURCE

Onesource
Income Tax –
United States
The most comprehensive corporate income tax software on the market
Why choose Income Tax – United States
Corporations face an ever-increasing burden of tax compliance. Managing this manually isn’t an option, especially when you do business across many jurisdictions. That’s why Thomson Reuters has designed the latest version of ONESOURCE Income Tax to provide you with comprehensive, centralized access to the entire ONESOURCE direct tax suite, including virtually every type of US tax return form. Complete the right federal, state and local and international returns more quickly, accurately, and securely. Filter tax return data in seconds, and drill down easily for incisive analysis. With our market-leading corporate income tax software, you can simplify tax compliance whether your organization is just US-focused or a large multinational.
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Bring income tax compliance in-house with our automated solution
ONESOURCE Income Tax has been the U.S. corporate income tax market leader for over 25 years because it delivers accurate and timely results that tax professionals trust most. Whether you’re thinking about bringing income tax compliance in-house or co-sourcing processes, ONESOURCE can help your company navigate complexities with ease.

What you get with our corporate income tax software
Simplify calculation and reporting of federal, state, and international foreign tax credits, earnings, profits, and deemed-paid credits.
Make research quick and efficient with a built-in, customizable tax law database. Assure compliance while providing a comprehensive tax accounting system for trial balance management.
File IRS returns and schedules electronically — and check their status from any mobile device.
Enter or update data only once and see it flow to all applications and returns, including ONESOURCE Tax Provision, the Estimated Payments module and ONESOURCE International Tax Calculator.
See what our customers are saying
ONESOURCE works for us because it makes our job easy. We’re not answering questions all day, and we’re not spending countless hours trying to file the return.

Learn why Rahr Corporation chose to bring returns in house with ONESOURCE Income Tax
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Perform compliance in-house with ONESOURCE
Thinking about bringing income tax compliance in house? Our cloud hosted suite gives you the ability to own your data while allowing flexibility in your business model to accommodate in-house tax compliance or co-source some of your tax compliance. Regardless of how you choose to staff your compliance function, you own your software, your process, and your data. The benefits of ownership outweigh the cost of licensing your own software through automation of manual processes, greater efficiency and risk reduction.
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ONESOURCE Income Tax packages
What's included | Essential Everything you need to file |
Advanced Track your due dates and audits |
Premium Robust planning capabilities |
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Control and manage income tax compliance processes. E-file federal, international, state and local corporate tax returns |
✔ | ✔ | ✔ |
Manage multiple audits with single, integrated system and increased visibility | ✔ | ✔ | |
Track, manage and organize tax workflows, tax-filings and payments with ease | ✔ | ✔ | |
Drill down to lowest levels of detail to navigate and automate processes related to evolving regulations | ✔ | ||
Calculate, track, and record taxable income for multi-state corporations | ✔ | ||
Manage international tax related deliverables including calculations, scenario planning and entity charting | ✔ | ||
Ready to take the next step? | Contact sales |
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Get everything you need to automate and streamline your corporate income tax process, from planning and provisioning to filing and reporting.
Ready to start a conversation?
Need more information about how our solutions can work for you? Drop us a line and someone from our sales team will get back to you. Or you can call a representative in your region at +1 800 865 5257.