ONESOURCE Direct Tax
Corporate Tax
Prepare, review and file corporate tax returns through a controlled web-based process with current legislative content, automated calculations and connected data.

Simplify complex corporate tax processes
Corporate tax teams need accurate calculations, current rules and clear governance across data collection, review and filing. ONESOURCE Corporate Tax brings those steps into one web-based workflow that can be connected to the systems and adjacent tax processes your team already uses.
Controlled tax data
Import data from multiple sources and reduce reliance on manual re-keying. A more structured approach to data collection gives teams greater transparency over the information used in calculations and makes it easier to review changes before filing.
Harness the benefits of ONESOURCE Corporate Tax
Increase efficiency and accuracy
Standardise data collection, calculations and filing steps so teams spend less time on repetitive handling and correcting avoidable errors.
Strengthen governance
Keep review comments, supporting evidence and audit history connected to each calculation for clearer oversight and sign-off.
Reduce compliance risk
Use maintained tax content and controlled calculations to help teams keep returns aligned with changing rules and local requirements.
Connect the direct tax lifecycle
Reuse data across corporate tax, provision, statutory reporting and business systems to reduce hand-offs and improve process consistency.
Put corporate tax compliance to work
Learn how ONESOURCE Corporate Tax helps your team collect data, calculate tax, review work and file returns through a more connected and controlled process.