{"meta":{"title":"ProFix contractor listing verifiability (license-match) rates","description":"Per-state share of ProFix gold-tier contractor listings that can be matched to an official state licensing-board roster by normalized license number. A measure of our listing-data completeness, computed by joining each listing's self-reported license number to that state's official roster.","source":"ProFix Directory gold-tier listings joined to official state licensing-board public rosters.","method":"normalized-license-number-join","caveat":"A low or zero verifiability rate is a LISTING-DATA story, not a statement about the contractors: it means we could not match the listing's license number to the official roster — usually because the listing has no license number on file, or carries an aggregator/business number rather than the board's competency number. It NEVER means the contractor is unlicensed.","sourcePage":"https://profixdirectory.com/research/contractor-listing-verifiability-2026","feedUrl":"https://profixdirectory.com/api/open-data/listing-verifiability.json","asOf":"2026-06-28","usage":"Free to use with attribution to ProFix Directory (https://profixdirectory.com).","attribution":"ProFix Directory","cite":"ProFix Directory, \"Contractor listing verifiability\" (share of our listings matchable to official rosters), as of 2026-06-28. 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