What is Procure-to-Pay (P2P)?

The Procure-to-Pay process encompasses all steps of purchasing in an organisation. It starts with a need: a department requires a product or service. The request is then formally approved, with or without a purchase order. The procurement team or requesting department selects the supplier and places the order. After delivery, the organisation verifies that what was received matches what was ordered (three-way matching: purchase order, goods receipt, invoice). Finally, the invoice is paid in accordance with agreed payment terms.

A poorly designed P2P process has recognisable symptoms. Invoices arrive without corresponding purchase orders, making it impossible to verify what was actually ordered. Invoices are paid late, leading to reminders and sometimes the loss of early-payment discounts. Staff buy outside the system because the P2P process is too slow or unclear (maverick buying). And the finance team has no real-time view of committed expenditure.

Automating the P2P process through a procurement system or ERP resolves many of these problems. An automated system requires employees to work through approved channels, automatically matches invoices to orders, and provides real-time visibility into planned and actual spend.

For SMEs, full P2P automation is not always necessary. But basic structures such as mandatory purchase orders above a threshold, an approval workflow, and structured invoice registration can already make a significant difference to control and cost management.

A mature P2P process also enables spend benchmarking: if all purchases flow through the system, you can see whether you are paying market-conforming prices across all categories.

Organisations without a streamlined P2P process pay on average two to four times more per invoice than those with an automated system. But the issue extends beyond process costs. Without P2P, you have no reliable view of your purchasing commitments, making cash flow management harder and putting supplier relationships under strain.

A structured P2P process is the foundation for all other procurement improvements: you cannot drive synergies, address maverick buying, or benchmark prices if you do not even know what is being purchased.