SCOR Process S1.3: Develop Sourcing Strategy

Why Every Business Must Master the Art of Sourcing Strategy (SCOR S1.3)

In every supply chain, there’s one decision that quietly sets the foundation for everything that follows: how and where you source what your business needs. That’s why S1.3 – Develop Sourcing Strategy is one of the most essential direct-source steps in the SCOR framework — and one that every organization, no matter how large or small, must do well.

🔍 What is S1.3?

This step is about building a strategic sourcing plan that aligns what you buy with your business needs, marketplace conditions, and internal/external constraints. It’s not just about choosing vendors — it’s about designing the how of procurement:

  • Will you develop the product in-house or buy it?
  • Should you tender it competitively or use a known supplier?
  • Should you dual-source to reduce risk, or consolidate for efficiency?
  • Are there sustainability or ethical sourcing obligations to meet?
  • How do you balance in-country value with global economics?

These questions aren’t just theoretical. They’re operationally critical.


⚙️ Best Practices to Consider

A sound sourcing strategy doesn’t come from gut feel — it’s built on proven practices. The SCOR model lists over 20 best practices to guide this process, including:

  • BP.100 Strategic Sourcing
  • BP.162 Long-Term Supplier Partnerships
  • BP.256 Make or Buy Analysis
  • BP.266 Total Cost of Ownership
  • BP.246 Sustainable Procurement Strategy
  • BP.259 Restricted Tendering
  • BP.258 Open Tendering
  • BP.278 Portfolio Analysis
  • BP.233 Ethical Procurement

These help ensure your sourcing plan is data-informed, risk-aware, aligned with business goals, and delivers long-term value.


📊 Key Metric: Sourcing Plan Cycle Time

Speed matters. The longer it takes to finalize your sourcing strategy, the more delayed your project or product launch becomes. That’s why SCOR tracks RS.3.52 – Sourcing Plans Cycle Time. Reducing this cycle without sacrificing quality is a sign of sourcing maturity — and a major competitive advantage.


💡 What Good Looks Like

A robust sourcing strategy involves:

✅ Clear sourcing goals aligned to business needs
✅ Cross-functional input (supply chain, legal, technical, sustainability)
✅ Insightful spend and market analysis
✅ Supplier segmentation and risk profiling
✅ Ethical and sustainable sourcing considerations
✅ Transparent decision-making (make vs. buy, tendering type, TCO)

It also includes the people capabilities to support strategic sourcing — planning skills, cost modeling, partnership management, and procurement governance.


📍Why You Can’t Skip It

Sourcing isn’t just a procurement task. It’s a strategic capability that shapes cost structure, resilience, sustainability, and innovation potential. Skipping or under-developing this step exposes your organization to:

  • Unnecessary cost
  • Poor supplier performance
  • Legal and regulatory risks
  • Supply disruptions
  • ESG exposure
  • Weak negotiation power

🔁 Next Step: S1.4 – Pre-Procurement Market Testing

Once your sourcing strategy is in place, the next move is to test the waters — to validate your assumptions, assess supplier interest, and refine requirements. That’s where S1.4 Pre-Procurement Market Testing comes in — but more on that in our next blog.


📢 Need help building or improving your sourcing strategy?
At SupplyChainPlanning.ie, we work with organizations to assess and optimize sourcing using SCOR best practices. Whether you need a structured tendering strategy, sustainable procurement support, or just help making sense of sourcing options — we’re here to help.

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