Source to pay
S2P / S2P · Source-to-pay
Source to pay is the combined end-to-end procurement and payment process, covering strategy, sourcing, contracting, purchasing, receipt, invoice and payment.
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Simply put
What it means in ordinary work
It is the whole chain from choosing how to buy through paying the supplier. It helps organisations see where value and control break down across functional boundaries.
Why it matters
A narrow focus on one step can shift work or risk elsewhere. S2P thinking supports integrated data, controls and user experience.
A hypothetical in practice
A hypothetical organisation reviews S2P cycle time and finds that contract terms are not flowing into purchase orders, causing invoice exceptions. It fixes the data link and reduces rework.
Common pitfalls
S2P is not a single software category. Technology must support a clear operating model.
Trying to centralise every activity can slow local buying. Design service levels and thresholds.
Regional lens
How this lands where you work
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As-of date for date-sensitive regional content: 5 November 2026. Read the review policy.