Approved Supplier and Subcontractor Register (PSL) - ISO 9001 for construction
Every contractor has a supplier list; few have one an auditor would call governed. The Approved Supplier and Subcontractor Register - the PSL - is the working record of who you are allowed to buy from and engage, with prequalification status, insurance currency and review dates in one editable Word or Excel register, mapped to ISO 9001 clause 8.4.
What each line holds
The supplier or subcontractor, what they are approved for, the prequalification evidence sighted, insurance expiry dates, performance notes and the next review date. Expired insurance is the classic silent failure - the register makes it visible before a principal's auditor or an incident investigation finds it first.
How it connects
The Purchasing Procedure restricts buying to this list, and the Subcontractors Procedure defines how names earn their way onto it. Together the three documents close clause 8.4 end to end - which is why they are sold separately but work as a set.
Practical notes
Structured by a lead auditor with 15+ years of certification experience for civil construction, mining, utilities and transport businesses. Like every Hillview register it is a tool, not proof in itself - it demonstrates control once populated and kept live.
Editions
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The full quality set lives in the ISO 9001 Quality collection.