Bidding, Simplified.
BidShield is the all-in-one construction bid management platform for general contractors. Manage subcontractors, build estimates, create proposals, and win more work — all in one place.
Everything you need to win more bids
From subcontractor outreach to final proposal, BidShield automates the entire bidding workflow so you can focus on building.
Subcontractor Management
Manage 344+ subcontractors with proximity sorting, trade categories, and instant invite workflows. Import from Excel in seconds.
Bid Package Wizard
Create complete bid packages in 4 guided steps. Save drafts, attach documents, manage addenda, and track every response.
Estimates & CSI Divisions
Build detailed estimates across all 16 CSI divisions with line-item cost breakdowns, overhead, and profit calculations.
Professional Proposals
Generate polished proposals from your estimates. Print or export to PDF with your company branding in one click.
AI Bid Analysis
Leverage AI to evaluate bid competitiveness, identify risks, flag outliers, and get actionable pricing strategy recommendations.
Bid Comparison Tables
Side-by-side bid comparisons with automatic leveling, scope gap detection, and award recommendations.
From bid request to awarded contract
BidShield guides your team through every step of the bidding process.
Create Bid Package
Use the 4-step wizard to define scope, invite subs, and set deadlines.
Collect & Compare
Track subcontractor responses, compare bids side-by-side, and run AI analysis.
Build Estimate
Compile costs across all 16 CSI divisions with overhead and profit built in.
Send Proposal
Generate a professional proposal and deliver it as a PDF to your client.
Trusted by contractors across the country
"BidShield cut our bid prep time in half. The subcontractor database and proximity sorting alone saved us hours every week."
"The CSI division estimates and one-click PDF proposals are exactly what we needed. Our clients love the professional output."
"The AI bid analysis caught a $40k scope gap we would have missed. It paid for itself on the first project."
Simple, transparent pricing
One plan. Everything included. Start free for 14 days.
14-day free trial. Cancel anytime.
No credit card required to start
Ready to simplify your bidding?
Join hundreds of general contractors using BidShield to win more work with less effort.