Deterministic Assurance for Public Procurement

Counterfactual 
Procurement Engine

The Counterfactual Procurement Engine is a new category of procurement assurance. It evaluates procurement decisions against transparent, rule-based benchmarks to produce consistent, auditable and explainable outcomes. .

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Why CPE Exists

Public‑sector procurement is high‑value, high‑risk, and increasingly scrutinised. Traditional assurance methods rely on manual review, subjective judgement, inconsistent interpretation and retrospective analysis.

CPE replaces this with a deterministic, rule based system that evaluates procurement in a way that is:

  • transparent 
  • auditable
  • repeatable
  • explainable
  • aligned with governance and assurance frameworks 

This is assurance engineered for modern public sector accountability. 

What CPE Does

CPE evaluates procurement decisions by comparing them against a structured, version-controlled benchmark - the Counterfactual Award Benchmark (CAB) - and producing:  

  • evidence objects for every rule evaluation
  • domain-level and contract-level scores
  • severity assessments
  • full audit and replay capability
  • clear, defensible, reasoning for every outcome

This allows organisations to understand not only what the result is, but why it was produced..

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