Contractor Performance Assessment Reporting System (CPARS)

CPARS is the authoritative federal database of contractor performance evaluations. Every significant federal contract generates at least one CPARS assessment, and those assessments follow contractors for years, influencing whether they win or lose future opportunities. Understanding how CPARS works is essential for any company competing in the federal market.

What is CPARS?

CPARS stands for Contractor Performance Assessment Reporting System. Contracting officers use it to formally rate how a contractor performed across five dimensions: quality of deliverables, schedule adherence, cost control, management responsiveness, and small business subcontracting. Each dimension receives one of five ratings: Exceptional, Very Good, Satisfactory, Marginal, or Unsatisfactory. The evaluation also includes written narrative justifying the rating. Once the government submits a draft evaluation, the contractor has 30 days to review and submit a formal response. Both the government narrative and the contractor's response become part of the permanent record accessible through PPIRS. CPARS evaluations are required for contracts above $150,000 for services, $750,000 for construction, and annually for multi-year contracts. They are not public, but are visible to government proposal evaluators when assessing past performance.

Why CPARS matters for government contractors

Past performance is typically worth 20-40 percent of the evaluation score in competitive federal proposals. A pattern of Exceptional and Very Good ratings creates a significant competitive advantage, while a single Unsatisfactory rating can cause a contractor to receive a "Significant Weakness" in proposal evaluations for years. Proactively managing the CPARS process, preparing for annual reviews, and submitting well-documented contractor responses to any rating below Very Good are standard practices for successful GovCon firms.

Example

A mid-tier IT firm completes year one of a five-year DHS cloud migration contract. The contracting officer submits a CPARS evaluation rating Quality as Very Good and Management as Exceptional. The firm's program manager reviews the draft, adds documented evidence of two ahead-of-schedule deliveries, and submits a formal contractor response within the 30-day window.

Frequently Asked Questions

Are CPARS ratings visible to the public?

No. CPARS evaluations are accessible only to the rated contractor and to federal government evaluators reviewing proposals. They are not published in any public database.

How long do CPARS ratings stay on record?

CPARS evaluations are retained and accessible for three years after contract completion. During that window they are routinely reviewed by source selection officials evaluating new proposals.

What happens if a contractor disagrees with a rating?

The contractor has 30 days to submit a formal response disputing the rating or adding context. The government's rating stands unless the agency agrees to revise it, but the contractor's response is permanently attached to the evaluation record.

Do subcontractors receive CPARS evaluations?

CPARS evaluations are primarily for prime contractors. However, if a subcontract exceeds $150,000 in services (or $750,000 in construction), the prime may be asked to submit a CPARS evaluation for that subcontractor.

How does CPARS relate to PPIRS?

CPARS is the system where evaluations are entered. PPIRS is the retrieval system that proposal evaluators use to look up a contractor's accumulated performance history across all federal contracts.