ONESOURCE Indirect Tax
Indirect Tax Determination
Automatically calculate VAT, GST, sales and use, and excise tax at the point of transaction using current global tax rules and content.
Make the right tax decision in real-time
ONESOURCE Determination applies current tax content and business rules at the point of transaction, helping tax and IT teams calculate the right tax consistently across systems, markets and channels. It integrates directly with your ERP and commerce platforms, built for complex, high-volume operations.
Real-time tax calculation
Calculate VAT, GST, sales and use, and excise tax automatically as transactions take place. ONESOURCE Determination analyses transaction details and applies country-, product-, service- and customer-specific logic so the appropriate tax result is returned directly to the source system.
A central tax engine helps organisations apply tax policy consistently across accounts receivable, accounts payable, e-commerce, point-of-sale and other transaction flows without maintaining separate logic in every business system.
Part of the broader ONESOURCE Indirect Tax solution
ONESOURCE Determination is part of a broader suite of solutions for tax determination, e-invoicing, indirect tax compliance and reconciliations, helping businesses manage indirect tax requirements across the tax lifecycle.
Harness the benefits of ONESOURCE Determination
Increase accuracy and consistency
Apply current tax logic when each transaction happens to reduce errors and downstream corrections.
Keep pace with change
Receive updated rates and rules without manually maintaining tax logic across every connected system.
Increase operational efficiency
Automate high-volume tax calculation and reduce repetitive manual work across transaction flows.
Reduce system complexity
Centralise tax logic and use pre-built integrations instead of maintaining separate tax customisations in each platform.
See ONESOURCE Determination in action
Discover how ONESOURCE Determination supports global tax calculation, connected systems and transaction-level tax decisions through a single tax engine.
Built for fast, high-volume tax calculation worldwide
Calculate indirect tax in real time across your transaction systems, with the speed, capacity and global tax content needed to support complex international operations.
Put real-time tax determination to work
Blog: The future of indirect tax
Explore how automation, regulatory change and increasingly digital compliance requirements are reshaping indirect tax operations across Europe and beyond.
