Source-to-Pay (S2P)


Summary Definition: A procurement lifecycle process spanning from identifying business needs and sourcing suppliers to finalizing payments, integrating strategic sourcing, and managing vendor contracts.


What is Meant by Source-to-Pay?

Source-to-pay (S2P) is a comprehensive process that encompasses the entire procurement lifecycle, from identifying and sourcing suppliers to receiving and paying for goods and services.

Effective S2P measures help ensure organizations get the best possible deals on the goods and services they need and that they comply with applicable financial regulations.

Regardless of whether it has a dedicated procurement team, organizations must manage various responsibilities to maintain a robust S2P system, such as overseeing procurement budgeting and forecasting, negotiating vendor and supplier contracts, fulfilling and matching invoices, and reconciling accounts payable to ensure accurate records.

Key Takeaways

  • Source-to-pay (S2P) is a holistic approach to managing the procurement process, ranging from supplier selection to final payment.
  • Unlike procure-to-pay (P2P), which focuses on transactional purchasing, S2P emphasizes supplier relationships and long-term procurement planning.
  • When implemented and integrated effectively, S2P solutions can streamline procurement workflows, improve cost efficiency, and strengthen financial oversight.

Source-to-Pay vs. Procure-to-Pay

S2P and procure-to-pay (P2P) are both procurement processes, but the former functions on a broader, more strategic level. Both, however, require cross-department efforts between finance, operations, and procurement teams.

S2P tasks include sourcing goods or services, selecting suppliers, and managing vendor relationships, making it particularly valuable for businesses with significant direct spend needs. Conversely, procure-to-pay solutions focus on transaction workflows, including purchase order management, receiving goods, and processing individual payments.

S2P Uses

Through the source-to-pay process, organizations can streamline their entire procurement cycle, starting with developing and enforcing policies to guide supplier selection, purchasing guidelines, and payment procedures. Finance teams, in turn, can use S2P procedures for budgeting and forecasting procurement needs, ensuring adequate fund allocation.

Finally, source-to-pay software can help standardize purchase order procedures, ensuring compliance and accuracy. Moreover, source-to-pay solutions help ensure invoices are properly matched to purchase orders, payments are issued correctly, and financial records remain accurate through consistent account reconciliation.

S2P Tips

The assistance and results source-to-pay tools can provide aren’t guaranteed to every organization that uses them. There are ways, however, for companies to maximize the impacts of their S2P platform.

  • Determine the Better Fit: S2P software better serves companies prioritizing strategic sourcing and vendor management, whereas organizations focused solely on efficient procurement processing may benefit more from procure-to-pay software.
  • Implement Carefully: If S2P is a better fit than a procure-to-pay process, organizations should prioritize carefully implementing their preferred source-to-pay platform, such as requiring thorough employee training.
  • Fully Integrate: Integrating S2P software throughout existing accounting or enterprise resource planning (ERP) systems further streamlines the procurement process and improves financial data accuracy.
  • Monitor Regularly: Companies should monitor the S2P system to ensure it functions properly and continues supporting the organization’s needs.

Source-to-Pay Benefits

S2P software enhances operational and financial performance by automating procurement tasks, thus boosting efficiency and allowing employees to focus on higher-value activities. Furthermore, it can reduce operational costs by helping workers negotiate better prices with suppliers, create transparent and auditable records for compliance needs, and lower the risk of fraud via tight transaction control.

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