ONESOURCE Tax Provision

7.1easy start · #28 of 108
in Tax Compliance Software

Free to practise onnot on record
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Runs on api, Web.

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ONESOURCE Tax Provision is ranked #28 of 108 in tax compliance software on The Geeks Club. It runs on API, Web.

ONESOURCE Tax Provision plans and pricing

All plans

ONESOURCE Tax Provision Not published Pricing available by contacting sales tax.thomsonreuters.com · 4 Oct 2026

Compared on tax compliance software

Accounting standards: both
Provision scope: current and deferred
Rate reconciliation: Yes
Provision-to-return: Yes
Excel workflow: Yes

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The record

Purpose: Automates corporate tax estimates and streamlines the financial close for defensible reporting.
Calculation engine: Its calculation engine generates tax entries automatically and is designed to handle complex tax scenarios.
Tax attributes: The software can automate tax attributes such as net operating losses and valuation allowances.
Reporting: It provides industry-standard reports, drill-down from consolidated amounts to entity-level detail, custom reports, and application-wide filtering.
ERP integration: It integrates with ERP systems using configurable journal entries across jurisdictional levels.
Excel integration: It connects to Microsoft Excel Workpapers and supports pushing and pulling data in both directions.
Data handling: It can manage multiple data sources, collect structured and unstructured data, and extract data for use in other applications.
API: ONESOURCE Tax Provision APIs support importing and exporting data, including scheduled or triggered imports.
Web data collection: The web-based Global Access add-on lets colleagues enter information into the Tax Provision database from any location, with local language and currency support.
Access controls: The Global Access add-on supports configurable controls, permissions, and sign-offs.
Audit readiness: Thomson Reuters describes the product as producing auditable reports and audit-ready results.
Support and training: ONESOURCE University offers Tax Provision training packages, workshops, WebSeminars, courses, and certifications.
Intended customers: The product is presented for upper-mid-sized corporations, multinational enterprises, and enterprise corporations.

Where it ranks on The Geeks Club

Best Tax Compliance Software in 2026#28 of 108
Best Corporate Tax Software in 2026#16 of 27
Best Tax Provision Software in 2026#10 of 19

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Sources

tax.thomsonreuters.com/en/products/onesource-tax-provision· checked 4 Oct 2026
tax.thomsonreuters.com/en/products/onesource-tax-provision/fea· checked 4 Oct 2026
tax.thomsonreuters.com/en/onesource/apis· checked 4 Oct 2026
tax.thomsonreuters.com/en/onesource/data-management/global-acc· checked 4 Oct 2026
tax.thomsonreuters.com/en/onesource/services/onesource-univers· checked 4 Oct 2026