Corporate tax and trade software
Drive accurate and audit proof results with ONESOURCE
Explore how ONESOURCE's cloud-native solution enhances visibility and clarity in complex tax regulatory environments, ensuring precise and compliant outcomes.

Thrive in complexity
Empower tax and finance teams to boost performance, meet deadlines, enhance accuracy, automate workflows, and collaborate flexibly across ecosystems—insource, co-source, or outsource.
Navigate change
Ensure accurate, timely tax compliance amid uncertainty by adapting seamlessly to changes with one corporate tax software and an ecosystem of technology partners and alliances.
Gain clarity to grow
Discover business opportunities by advancing beyond compliance to strategic growth planning using dashboards, custom reports, and scorecards to find cost savings and boost capital.
Elevate the role of tax and trade
Explore how ONESOURCE tax software solutions work together across corporate tax and trade lifecycles
Indirect Tax Compliance
Real-time rates, rules and indirect tax content managed by intuitive software so you can save time and mitigate risk.
Indirect Tax Determination
Tax calculations in millisenconds with automation of GST, VAT, sales and use tax and excise tax using accurate rates and rules.
E-invoicing
Comply with global e-invoicing mandates – leveraging an integrated online invoice management and indirect tax solution.
Global Trade Management
Optimise supply chain performance and minimise audit risks with solutions that ease the complexity of global trade from denied party screening to foreign-trade zone management.
Tax Provision
Automate tax provisioning with accurate estimates using intelligent data filtering and drill down capabilities so you can file earlier and close faster.
Global Minimum Tax
Minimise risk and get operationally ready for BEPS 2.0 using cloud-based automation of OECD Pillar 2 tax calculations with rules from 190+ countries.
Statutory Reporting
Global disclosure management tool that includes local language, best practice, country-specific reporting templates, and content updates from the largest accounting firms.
Corporate Tax
Swift, accurate corporate tax compliance, designed to streamline work and super charge your data. Elevate your tax strategy with robust tax data management.
Talk to an expert
Schedule a personalised demo and an ONESOURCE expert can show you how it works and answer all your questions
Learn how ONESOURCE helps corporate tax and trade professionals

Month-end reporting has been reduced from three days down to one day.
Kevin Escott
Senior Director
JLL Technology Program Manager

Global Classification saves us half the time when it comes to classifying our products.
Myesha Cottom
Senior Director of International Trade
Georgia-Pacific

We love ONESOURCE. I’ve worked with other solutions and, although I like some, they don’t offer income tax compliance and provision or it can be a challenge to find talent in the market trained to use them.
Anastasia Brady
Director of Tax
Thryv
Featured resources
Essentials to building a winning business case for tax technology
Tax data management reimagined: From manual processes to digital excellence
Maximising ROI: Why early involvement of your tax team is crucial in digital transformation
Frequently asked questions
ONESOURCE is the industry’s most trusted end-to-end cloud automation solution for tax, trade, and financial reporting professionals. It helps companies and accounting firms reduce the risks of compliance fines and penalties, lower costs associated with inefficient processes and break free from regulatory complexity.
Customers routinely tell us that ONESOURCE helps them comply confidently, drive productivity, and adapt effortlessly to continuously changing regulations and business needs.
Here are just a few examples of efficiencies we’re hearing from customers:
- $1B+ in duties saved annually from managing foreign-trade zones (1)
- 50% time savings in indirect tax compliance processes (2)
- 50% decrease in processing time for large volume returns (3)
- 68% efficiency gains for statutory reporting (4)
Sources:
- Data analyzed by Thomson Reuters across ONESOURCE Foreign Trade Zone users in 2019.
- The Forrester Total Economic Impact of Thomson Reuters ONESOURCE Indirect Tax, June 2022. Aggregated results for seven interviewed customers using ONESOURCE Indirect Tax. Annualized three-year risk-adjusted present value of benefits.
- The Thomson Reuters internal ONESOURCE Direct Tax Performance Improvements Report, 2022.
The Forrester Total Economic Impact of Thomson Reuters ONESOURCE Statutory Reporting, January 2023. Aggregated results for four interviewed customers, based on using OSR across 100 entities in 20 countries. Annualized three-year risk-adjusted present value of benefits.
- ONESOURCE allows corporations of all industry segments and sizes to simplify their tax, trade, and financial reporting workflows with tools that reduce risk, save time, and increase accuracy:
- ONESOURCE tax solutions. Automate compliance for sales and use tax, goods and service tax (GST), value-added tax (VAT), and e-invoicing. Speed up the corporate tax process, including provision, income tax compliance, and international tax. Reduce the time and resources required to manage statutory reporting, information reporting, and trust tax.
- ONESOURCE trade solutions. Optimize the supply chain and global trade compliance, including denied party screening, foreign-trade zone management, free trade management, and more.
- ONESOURCE data management and workflow solutions. Minimize data wrangling, connect information across the tax and trade lifecycles, and track performance against due-date and reporting requirements. Manage tax and trade data better with a tax data warehouse, tools for standardizing tax packages, calendars for tracking due dates, and workflow that fosters collaboration.
ONESOURCE corporate tax software is used by all types of companies — from small businesses to multinational enterprises. With over 100,000 users in 21,000 businesses worldwide, customers come from various industries, including finance, retail, manufacturing, technology, energy, and others. In fact, 100% of the Fortune 100 companies and 96% of the Fortune 1,000 companies use ONESOURCE.
Users trust ONESOURCE over its competitors for its accurate data, ease-to-use interface, precise tax calculations determined using proprietary content, the end-to-end tax and trade lifecycle coverage of its cloud automation solutions, and dedicated 24/7 customer service. ONESOURCE stands out to help navigate complex challenges spanning across mission-critical functions in your business — tax, trade, compliance, and risk management — something you will not find with other tax software.
Yes. We integrate with over 200 leading in-house technology solutions using universal RESTful APIs and prebuilt, certified connectors that flow data through tax, trade, finance, and business processes.
As an example, for SAP alone, Thomson Reuters offers twelve integrations — four are SAP Certified apps, three are SAP Endorsed apps, and one is an embedded app. These integrations ensure SAP customers can maintain clean core compliance with a single trusted vendor.
Of course! Our product demos are a great way to see how ONESOURCE will provide value for your organization before you make a purchase. Just contact one of our sales representatives.
Experience it for yourself today
Maximise compliance and precision with ONESOURCE—streamline your tax processes and achieve audit-proof results in complex regulatory landscapes.