Regulatory Compliance / Climate & Sustainability
Spend-Based vs. Activity-Based vs. Supplier-Specific: The Three Ways Manufacturers Calculate PCF — and Which Ones Actually Pass Audits
Most manufacturers choose a PCF calculation method based on what data they have — not what auditors actually require. This blog breaks down the three methods manufacturers use most: spend-based, activity-based, and supplier-specific. It covers what each method measures, what data it needs, where it holds up under audit, and where it fails. If your PCF reports need to pass customer review, ISO 14067 verification, or PACT-aligned procurement checks, understanding the difference between these methods is not optional — it is the foundation of credible Scope 3 Category 1 reporting.
