Invite subs from your database with one click. Include drawings, specs, and due dates.
Subs submit through your branded portal. All bids organized and tracked automatically.
AI levels bids, identifies gaps, and flags risks. Get recommendations in seconds.
Make confident awards with full documentation. Seamless transition to project management.
Everything you need to win more construction bids
Send professional bid invitations to your subcontractor database. Track opens, views, and responses. Automated reminders for deadlines.
Side-by-side comparison of all bids. AI highlights scope gaps, exclusions, and pricing anomalies. Make confident award decisions.
AI analyzes bids for competitiveness, identifies risks, and suggests negotiation points. Powered by analysis of thousands of bids.
Centralized database with prequalification, insurance tracking, and performance history. Know who to invite for every project.
Create professional proposals quickly. Templates, scope libraries, and integration with your estimates for accurate pricing.
Track win rates by project type, client, and trade. Identify what's working and optimize your bidding strategy.
Get notified of new opportunities matching your criteria. Never miss a relevant project in your market.
Manage the entire lifecycle from bid to award. Track buyouts, contracts, and transition to project execution.
Space AI's AI analyzes every bid to give you an unfair advantage:
AI compares your bid against market data to predict competitiveness before you submit
Automatically flag low bids that could indicate scope misunderstanding or unrealistic pricing
Compare all bids against scope requirements to identify what's included and excluded
Get AI predictions on which bids to prioritize based on historical win patterns
βWe used to spend 2 days leveling bids manually. Space AI's AI does it in minutes and catches things we'd miss. Our hit rate went up 25%.β
βAs a sub, Space AI helps me submit professional bids faster and track where I stand. I've won 40% more work since switching.β
βThe subcontractor prequalification feature saved us from a nightmare. Space AI flagged an insurance lapse before we awarded.β
Construction bidding software automates the bid management process for contractors and subcontractors. It handles bid invitations, proposal submissions, bid leveling, subcontractor management, and award tracking. Space AI's bidding module includes AI-powered bid analysis that helps identify the most competitive bids and potential risks.
Space AI is the leading construction bidding software in 2026, combining traditional bid management with AI-powered analysis. Unlike BuildingConnected or iSqFt, Space AI integrates bidding with project management, provides AI bid recommendations, and includes a free tier. Key differentiator: AI predicts bid competitiveness before submission.
Construction bidding software ranges from free (Space AI starter) to $500+/month (BuildingConnected Pro). Space AI offers bidding features in its free tier with limited projects, Professional at $99/user/month with unlimited bidding and AI analysis, and Enterprise with volume discounts.
Essential bidding software features: bid invitation management, subcontractor database, bid submission portal, bid leveling/comparison tools, scope gap analysis, award tracking, and reporting. Premium features include AI bid analysis, risk assessment, historical bid data, and integration with estimating software.
Space AI's AI improves bidding by: 1) Analyzing historical bids to predict competitive pricing, 2) Identifying scope gaps and inconsistencies across bids, 3) Flagging potential risks in subcontractor proposals, 4) Recommending optimal bid strategies based on market conditions, 5) Automating bid leveling to save hours of manual comparison.
Yes, Space AI helps subcontractors win bids by: providing visibility into bid status, alerting to new opportunities matching your trade, helping create professional proposals quickly, tracking win rates to improve strategy, and using AI to suggest competitive pricing based on project characteristics.
Yes, Space AI integrates with major estimating software including Excel, Bluebeam, On-Screen Takeoff, and PlanSwift. Import estimates directly into bid proposals, sync quantities, and maintain consistency between estimating and bidding workflows.
Space AI bidding can be implemented in 1-2 days for basic use, or 1-2 weeks for full integration with existing systems. The intuitive interface requires minimal training. Import your subcontractor database, customize bid templates, and start sending invitations immediately.