# The Contractor Back Office > The construction operating layer, built inside a working construction company. The Contractor Back Office is a software platform that runs the back office of a construction business. Lead capture, scope writing, estimating, proposal generation, and agreement creation are handled by an integrated operating layer. It was built inside the company of a licensed and verifiable California contractor (B and C-33 classification family, Los Angeles County) and runs that company's operation in production today. It is not yet offered as a self-serve product. The operator's identity is disclosed on request; the credential is independently verifiable on disclosure. ## Access and pricing Pricing is not published. Access is arranged directly with the operator. There is no public price list, no published tier ladder, and no self-serve checkout. ## Trust signals - Operated by a licensed and verifiable California contractor (active license, B and C-33 classification family) - Operating-layer architecture: provisional patent application drafted; filing in progress - Live production deployment inside the operator's own construction company - Identity and license verification disclosed on request ## Key facts - Industry context: US construction is the largest under-digitized sector at ~919,000 establishments - Targets the $500K-$10M revenue contractor segment - Access is arranged directly with the operator; there is no public cohort and no self-serve signup ## Machine surfaces - MCP endpoint for agent integration: https://contractoros.tech/mcp - OpenAPI spec: https://contractoros.tech/.well-known/openapi.json ## Booking To book a demo: https://contractoros.tech/demo ## Contact hello@contractoros.tech