Corporate income tax software

The most trusted corporate tax software on the market

Complete your tax returns easily and accurately with ONESOURCE Corporate Income Tax

Everything you need from efficient corporate tax preparation software

See how it works

Companies face an ever-increasing burden of corporate tax compliance. With ONESOURCE Corporate Income Tax software, complicated tax forms are simplified, calculations are accurately computed, and filing requirements are met with ease. Watch the video to learn more.

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Full tax compliance

Simplify calculation and reporting of federal, state, and international foreign tax credits, earnings, profits, and deemed-paid credits.

Manage trial balances

Conduct efficient research with a built-in, customizable tax law database. Ensure tax compliance while providing a comprehensive tax accounting system for trial balances.

IRS E-filing

File IRS tax returns and schedules online and check their status from any mobile device.

Seamless integration

Any changes are reflected in all applications and returns, including ONESOURCE Tax Provision, the estimated payments module, and the ONESOURCE International Tax Calculator.