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ContractShield
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Free AI Bid Builder for Contractors

See how ContractShield's AI turns a project into a professional contractor bid — a labor and materials breakdown plus a client-ready cover letter — in under 60 seconds. Try the interactive sample free with no signup, then create a free account to build bids for your own jobs.

See the AI build a bid

👀 Interactive sample. This runs on a fixed example project so you can see exactly what the AI produces — no signup needed. Create a free account to generate bids for your own jobs.

Example client request

Replace aging 3-ton R-22 HVAC system in a Denver row home with a high-efficiency variable-speed heat pump. Homeowner wants updated thermostat wiring and haul-away of the old unit. Attic air handler; existing ductwork is in good condition.
Trade: HVACMetro: Denver, COLabor rate: $110/hrMarkup: 20%

Frequently asked questions

Do I need an account to try it?

No. The sample runs free, no signup. A free account lets you build bids for your own jobs, then edit, save, and send them to clients.

Is this my bid, or a sample?

The demo runs on a fixed example so you can see exactly what the AI produces. Create a free account to generate bids for your own projects.

Is my markup visible to the client?

No. The client-facing bid shows totals, not your internal markup.