Past Performance Rating

A past performance rating is the government's formal, structured assessment of how well a contractor performed on a federal contract, recorded in the Contractor Performance Assessment Reporting System (CPARS) and used by acquisition teams as a critical source selection factor when evaluating future proposals.

What is a Past Performance Rating?

CPARS ratings are the federal government's standardized method for documenting and sharing contractor performance information. Ratings are made on a five-level scale, Exceptional, Very Good, Satisfactory, Marginal, and Unsatisfactory, across multiple performance dimensions: quality of work, adherence to schedule, cost control (for cost-type contracts), management effectiveness, and small business subcontracting plan compliance.

CPARS evaluations are initiated by the assessing official (usually the COR) for contracts meeting CPARS reporting thresholds: contracts with a period of performance of one year or more and a dollar value exceeding $150,000 for services, $1 million for construction. Evaluations are done annually for multi-year contracts and at contract completion.

The contractor has 30 calendar days to review the draft evaluation, submit comments, and provide a written response. The contractor's response becomes part of the permanent CPARS record. If the contractor disagrees with a rating, it may request a review by higher-level agency officials, though the government retains final authority on the ratings.

CPARS data flows into PPIRS (Past Performance Information Retrieval System), which proposal evaluators access when scoring past performance volumes in competitive acquisitions. An "Exceptional" CPARS record for relevant prior work is one of the most powerful competitive differentiators available in proposal evaluation. Conversely, a single "Unsatisfactory" rating can damage proposal evaluations for years.

Why Past Performance Ratings matter for government contractors

CPARS ratings have a compound effect: strong ratings make it easier to win future contracts, which generate more CPARS records, which further strengthen the company's competitive position, a flywheel that accelerates over time. Contractors who manage their CPARS process proactively, preparing documentation, building COR relationships, and responding thoughtfully to draft evaluations, earn higher ratings than equally performing contractors who treat CPARS as an afterthought. Read more in our CPARS guide.

Example

A cybersecurity firm completes a DHS managed security services contract and receives its annual CPARS evaluation. The COR rates Quality as "Exceptional," noting the firm's zero-defect delivery record and proactive threat identification. Schedule is rated "Very Good" with a note that two reports were submitted late early in the contract but the firm implemented process improvements resulting in 100% on-time delivery for the remaining 14 months. Management is rated "Exceptional." The firm submits a contractor comment highlighting specific cost-saving innovations it implemented. The combined CPARS record becomes a key competitive asset in the firm's next three proposal submissions.

Frequently Asked Questions

What CPARS score should a contractor aim for?

"Very Good" is the standard strong performance benchmark; "Exceptional" requires performance that significantly exceeded requirements. Most evaluators in competitive acquisitions view "Exceptional" and "Very Good" as roughly equivalent strong performers, while "Satisfactory" is acceptable but undifferentiating. "Marginal" is a significant negative signal.

How long do CPARS records stay in the system?

CPARS records remain in the system for a specified retention period, currently six years for most contracts. Past performance proposal volumes typically use relevant experience within the last three to seven years, so older CPARS records become less relevant as newer ones are added.

Can a contractor challenge an unfair CPARS rating?

Yes. Contractors may submit comments during the 30-day review period and may request higher-level review if they believe the rating is factually incorrect or inconsistent with the contract's requirements. Constructive engagement, acknowledging any valid performance issues while providing evidence of strong performance, is more effective than adversarial dispute.

What is the relationship between CPARS and PPIRS?

CPARS is the input system where evaluating officials enter ratings and narratives. PPIRS is the retrieval system that source selection evaluators use to look up a contractor's CPARS record when evaluating past performance in a competitive procurement. They are two parts of the same federal past performance information infrastructure.