Quanto Runs Your Bids.
You Run Your Business.
The only bid management platform built for owners. Public or Private Bidding. Publish packages, invite bidders, manage RFIs, and issue addenda in one place — then let Quanto's AI level and score every bid so you can compare apples to apples and award with a full audit trail.






Bid Tab Comparison
Your New Bid Management System
One platform that connects every stakeholder in commercial construction, renovation, maintenance, property management bidding.
AI Bid Analysis
Our AI agents dissect every line item, flag anomalies, and score bids so you can compare with confidence.
Custom Bid Templates
Create standardized bid forms that ensure apples-to-apples comparison across all general contractors.
Side-by-Side Comparison
Visualize bid differences instantly with automated leveling, variance highlighting, and scope gap detection.
Multi-Tenant Workspaces
Owners, architects, and GCs each get their own workspace. Collaborate on projects without the chaos.
Integrated RFIs
Bidders ask questions, architects respond, and everyone stays informed with a structured RFI workflow.
Secure Document Hub
Upload drawings, specs, and addenda in one place. Control who sees what with granular permissions.
Instant Invitations
Invite GCs to bid with one click. They get a branded portal to download docs and submit bids.
Analytics & Reports
Track bid trends, GC performance metrics, and project cost benchmarks across your portfolio.
Project Lifecycle
From draft to award — manage the entire bid process with status tracking and milestone notifications.
Tailored for your vertical market
Whether you're in construction or real estate — Quanto adapts to the way your industry procures.
Built for Owners, Architects & GCs
The complete bid management platform for commercial construction. From RFP to award — compare bids, manage addenda, respond to RFIs, and make data-driven decisions.
One platform, three perspectives
Each role gets a tailored workspace designed for their unique needs.
Owners / Developers / Property Management
Post projects, create bid templates, invite contractors, and use AI to evaluate every submission. Make data-driven award decisions.
- Project posting & management
- Custom bid templates
- AI bid comparison
- Rfi and Addendum management
- Cost Intelligence Center
- Contract award workflow
Architects
Upload drawings and specifications, respond to RFIs, issue addenda, and collaborate with owners on bid evaluation.
- Document management
- RFI response workflow
- Addenda distribution
- Bid evaluation support
- Bid Running as owners rep
General Contractors
Browse invitations, download bid documents, ask RFIs, and submit competitive bids through a structured, fair process. Invite subcontractors to bid scopes, compare pricing, inclusions and exclusions.
- Bid invitation portal
- Subcontractor management
- Structured bid submission
- RFI & Addendum management
- Document downloads
- Sub pricing comparison, Ai price analysis
- Award scopes to subs in one platform
From bid to build in four steps
Simple, transparent pricing
Unlimited users on every plan. Bidders always free. Property managers pay per property, with bids included every month.
Single Project
Run one complete bid project. No subscription.
Your first project is free
Owner Team
For owners bidding regularly. Up to 15 bid projects per year.
billed annually ($15,000/yr)
Owner Program
For capital programs. Up to 50 bid projects per year with approvals.
billed annually ($36,000/yr)
Enterprise
Unlimited projects for large owners and institutions.
Based on annual construction spend
Your data is protected
Quanto runs on independently audited, enterprise-grade cloud infrastructure, with bid confidentiality enforced at the data layer — so you can bid with confidence.

GDPR-Ready Infrastructure
Built on cloud infrastructure that provides GDPR data-processing terms and a published subprocessor list.

ISO 27001 Certified Infrastructure
Hosted on infrastructure certified to the ISO/IEC 27001 information security management standard.

SOC 2 Type II Audited Infrastructure
Hosted on infrastructure independently audited under AICPA SOC 2 Type II for security, availability, and confidentiality.
Get in Touch
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