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Thomson Reuters ONESOURCE Indirect Tax Determination vs Vertex Indirect Tax O Series comparison

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Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Thomson Reuters ONESOURCE I...
Ranking in Tax Management Software
2nd
Average Rating
8.8
Number of Reviews
4
Ranking in other categories
No ranking in other categories
Vertex Indirect Tax O Series
Ranking in Tax Management Software
5th
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2026, in the Tax Management Software category, the mindshare of Thomson Reuters ONESOURCE Indirect Tax Determination is 10.3%, up from 2.5% compared to the previous year. The mindshare of Vertex Indirect Tax O Series is 6.3%, down from 17.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Tax Management Software Mindshare Distribution
ProductMindshare (%)
Thomson Reuters ONESOURCE Indirect Tax Determination10.3%
Vertex Indirect Tax O Series6.3%
Other83.4%
Tax Management Software
 

Featured Reviews

Kevin Oakley - PeerSpot reviewer
Senior Director, Tax at a retailer with 10,001+ employees
Automated tax reporting has reduced manual work and supports accurate audit-ready filings
Thomson Reuters ONESOURCE Indirect Tax Determination has positively impacted my organization by shifting it from a manual process to a more automated process.That shift to automation has affected my team by improving efficiency; it reduced the amount of time it took my team to prepare to gather the information, review it, and report it on our sales tax returns, and it also cut down on some of the time that our other departments, such as accounts payable, had to review invoices. I have seen a return on investment, as we saved time; it took probably three weeks to prepare returns, and now we are able to do it in probably a week.
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Questions from the Community

What needs improvement with Thomson Reuters ONESOURCE Indirect Tax Determination?
Even though the features are valuable, some of the configuration and custom rule functionality can be a bit difficult to understand. There is a lot you can do with the product, but sometimes it is ...
What is your primary use case for Thomson Reuters ONESOURCE Indirect Tax Determination?
Our primary use case for Thomson Reuters ONESOURCE Indirect Tax Determination is indirect tax determination, mainly sales and using it for tax and VAT. We have OneSource integrated with our SAP env...
What advice do you have for others considering Thomson Reuters ONESOURCE Indirect Tax Determination?
I rate Thomson Reuters ONESOURCE Indirect Tax Determination a nine on a scale of one to ten. Very few products are actually perfect tens, as there is always room for improvement even if consumers d...
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Also Known As

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Vertex Indirect Tax
 

Overview

 

Sample Customers

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MetLife
Find out what your peers are saying about Oracle Enterprise Performance Management Cloud vs. Thomson Reuters ONESOURCE Indirect Tax Determination and other solutions. Updated: September 2026.
917,433 professionals have used our research since 2012.