1. ONESOURCE Determination

ONESOURCE Determination

Industry standard for sales tax, use tax, VAT, and GST

Calculate and record sales tax, use tax, VAT, and GST with our US and global tax determination software.

Why choose

ONESOURCE Determination

Stay on top of constantly changing indirect tax rates regardless of your corporation’s size or geographic reach with ONESOURCE Determination. Determine your company’s liability for sales tax, use tax, GST, VAT, excise tax, and other country-specific taxes with the most powerful and flexible tax engine for indirect tax and the only patented, end-to-end automated solution on the market.

ONESOURCE Indirect Tax
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Keep up with global tax changes

with ONESOURCE Determination

What you get 

with our US and global tax software

Accuracy through automation

Avoid expensive compliance costs, potential penalties and interest, and errors associated with over- or underassessing tax.

Verified security

Rest easy knowing your data is secure and protected by up to date, certified systems.

Powerful integration

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

Support in complex markets

Handle the most complex tax regulations for markets such as Brazil, India, and the US.

Proven performance

Calculate the correct tax amount in milliseconds and easily handle millions of transactions daily.

Unique patented process

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

Are you ready to react to South Dakota v. Wayfair? 

Learn what South Dakota v. Wayfair means for your business and how sales tax automation can help.

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See how it works

Have questions? ONESOURCE Determination has answers. Learn how to configure your company structure, set up calculations for global jurisdictions, streamline tax returns, and more.

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Savings calculator

Enter a few high level data points about your company to see how you may benefit from an automated sales, use, and global tax solution.

Your sales

Annual Estimated Revenue
Enter your gross annual revenue.
Potential First Year Savings (Low) Potential First Year Savings (High)
$ 0 $ 0
Annual Estimated
Full Time Employees
Enter company's gross operating and capital spend.
Potential First Year Savings (Low) Potential First Year Savings (High)
$ 0 $ 0

Your purchases

Annual Estimated Purchases
Enter annual amount spent on buying goods or services.
Potential First Year Savings (Low) Potential First Year Savings (High)
$ 0 $ 0
Annual Estimated
Full Time Employees
Enter total number of full time employees that manually calculate or review tax charged by suppliers on Requisitions, POs, and/or Ap invoices.
Potential First Year Savings (Low) Potential First Year Savings (High)
$ 0 $ 0

Total estimated savings

  • Your sales
  • Your purchases

It only takes seconds to get estimated pricing

Pricing is applicable to companies in the US and Canada with annual revenue of $750M and below. For companies with greater revenue or for additional regions, answer the following questions and click "Contact me."

Learn about our implementation partner program

Partner Program

ONESOURCE Determination Partner Program

Provide a best in class sales tax solution to customers while expanding your business and increasing revenue.