Resources Mitigation Resources

Bid-rigging prevention and detection

Application

Screen tenders and bid data for collusion red flags before award; use bid-rigging checklists and analytics to detect suspected cover bids, bid rotation, market sharing, or coordinated pricing, and escalate for investigation or rebidding where concerns remain unresolved.

Resources

  • Bid-rigging prevention and detection guidance, with red-flag checklist

    Guideline

    Organisation for Economic Co-operation and Development

    Organisation for Economic Co-operation and Development. (2025). OECD guidelines for fighting bid rigging in public procurement. Available from: https://doi.org/10.1787/cbe05a56-en

    Available from ↗ Download static copy ↓

  • Governance Risk Assessment System (GRAS)

    Tool

    World Bank

    World Bank. (2023). Governance Risk Assessment System (GRAS): Advanced data analytics for detecting fraud, corruption, and collusion in public expenditures. Available from: https://documents.worldbank.org/en/publication/documents-reports/documentdetail/099110723040010259

    Available from ↗ Download static copy ↓
Project Phases
Phase 4:Tender Management
Linked Risks
Primary Users

Public authorities; Investors; Civil society organisations (CSOs)