What is a three-way matching?

An automated accounting process that verifies the details on a purchase order (PO), a goods receipt note, and a supplier's invoice before approving payment. It confirms that the company is paying for what it ordered and actually received.

Who uses one?

Finance and operations leaders automating purchasing, vendor management, and PO workflows

What does it cost?

Pricing varies. The cheapest provider in our Top 11 starts around $100000/mo. See the cheapest providers ranked.

How do I pick one?

Read the full methodology for our 9.4-point scoring framework, then look at the canonical Coupa vs SAP Ariba vs Procurify: 11 Best Procurement Software Tools for Business 2026. If you want a slice of the ranking by price, fit, or compliance, jump to: cheapest · highest-rated · fastest onboarding.

Source: Top 11 Coupa vs SAP Ariba vs Procurify: 11 Best Procurement Software Tools for Business 2026, verified June 26, 2026.