VAT determination software that offers a greater return on investment
ONESOURCE Determination provides a comprehensive worldwide solution for the efficient and consistent calculation and recording of your indirect tax liability. It is the only patented, fully integrated, end-to-end automation solution for GST, sales and use tax and VAT determination on the market. Our solution provides business-critical tax determination using timely tax content for the highest degree of accuracy – from transaction to remittance.
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Get VAT, GST, and sales and use tax right the first time, every time
Our indirect tax determination software integrates with your financial applications in real time so that all your enterprise-wide applications can use a single, scalable instance of ONESOURCE Determination to deliver more control, consistency, and repeatable processes.
Thomson Reuters ONESOURCE Determination delivers a justifiable ROI and a truly automated solution that gives a consolidated, real-time view of transaction tax exposures worldwide. Our web-based solution determines your company’s liability for VAT, sales tax, use tax, GST, excise tax, and other country-specific taxes using the most current tax rates and rules, ensuring timely, accurate, and cost-effective compliance. And this can all be done no matter what business changes or tax law changes your company encounters.

Why use ONESOURCE Determination?

Unique patented process
Get the only patented, end-to-end automated solution for sales, use, and excise tax, GST, and VAT on the market.

Powerful integration
Connect to ERP, financial, billing, and e-commerce systems through pre-built and custom integrations.

Trusted tax information
Stay up to date on global tax changes, thanks to our in-house expertise backed by SSAE 18 and ISAE 3402 certified processes.

Powerful personalisation
Configure the solution to your company’s unique needs with our patented process that handles corporations of all sizes and geographic reach.

Proven performance
Calculate correct tax amounts in milliseconds and easily handle millions of transactions daily.

Seamless implementation
Our cloud-based solution is easy to implement and scalable to meet your needs.
Simplify global VAT determination
Learn more about how ONESOURCE Determination can help you simplify global VAT determination and more.

Mind the Data Gap
This special report will address the challenges posed by the evolving tax arena, how these are driving investment and innovation, and the opportunities this provides.
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Case Study: Cisco Systems, Inc.
Learn how ONESOURCE Indirect Tax improved Cisco’s ability to respond rapidly and accurately to changing indirect tax regulations.

Case Study: Lenovo, Inc.
Learn how Lenovo overcame the logistic and geographic challenges of consolidating corporate tax processes to achieve alignment of its tax strategies with business processes.
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