TradeProof is construction compliance software that helps general contractors verify subcontractor licenses, insurance, and workers' compensation across all 50 US states. Built in Columbus, Ohio, TradeProof indexes 5.5M+ license records from government databases, updated nightly, and provides automated monitoring, compliance dashboards, and audit trails. GCs use TradeProof to reduce compliance risk, streamline subcontractor onboarding, and maintain continuous verification — replacing manual checks and spreadsheets with real-time alerts. Subcontractors can self-verify for free, creating a network effect that benefits the entire construction supply chain.