What is CPARS (Contractor Performance Assessment Reporting System)?

CPARS is the federal government's system for tracking and rating contractor performance on completed contracts. Ratings affect your eligibility for future federal contracts — good CPARS scores are one of the strongest past-performance signals in federal procurement.

CPARS is the mandatory federal performance-rating system for contracts over specific thresholds (typically $150K for most services, $700K for construction, $35M for A/E services). Contract managers write performance evaluations at completion of each contract or at each contract option period, rating vendors on a 5-tier scale in multiple categories.

The rating scale: - Exceptional (Blue) - Very Good (Purple) - Satisfactory (Green) - Marginal (Yellow) - Unsatisfactory (Red)

Standard rating categories: - Quality of Product or Service - Schedule (delivery/timeliness) - Cost Control (for cost-reimbursement contracts) - Management/Business Relations - Small Business Subcontracting (for large contracts with subcontracting plans) - Regulatory Compliance - Other Areas (contract-specific)

How ratings affect vendors: CPARS ratings are visible to all federal contracting officers via the Federal Awardee Performance and Integrity Information System (FAPIIS). Past-performance evaluation is a mandatory factor on virtually all federal RFPs over $250K. Vendors with predominantly "Exceptional" and "Very Good" ratings win consistently in "best value" competitions where past performance is a significant evaluation weight. Vendors with "Marginal" or "Unsatisfactory" ratings can be excluded from set-aside competitions or scored below the competitive range.

Vendor rights: (1) You have 60 days to review and comment on your CPARS rating before it becomes final. (2) If you disagree with a rating, submit written comments explaining your side — these comments are visible to future contracting officers alongside the rating. (3) You can request meetings with the contracting officer to discuss concerns before the rating is finalized. (4) Egregious ratings can be appealed through the agency's disputes resolution process, though appeals rarely change the rating.

For new vendors: your first CPARS rating is critical because you have no past performance to average it against. A poor first CPARS can be very difficult to recover from. Practical tip: on your first federal contract, over-communicate with the contracting officer (weekly status updates minimum, immediate escalation of any issues) — the goal is to have zero surprises when the CPARS is written.

Written by the ProcureTap procurement research team. Last reviewed .