Foundation Software runs the books.
SiteBridge runs the field.
Foundation Software is a $500+/mo legacy accounting and payroll platform built for GC back offices — not jobsite superintendents. SiteBridge is a $49/mo AI operating layer that turns field texts and photos into daily logs, RFIs, takeoffs, contracts, and Gantts — no sales call, no annual lock-in.
How SiteBridge stacks up against Foundation Software
| Feature | ❌ Foundation Software $500+/mo, annual contract |
✅ SiteBridge $49/mo, month-to-month |
|---|---|---|
| Cost | $500+/mo, quote-based, annual contract | $49/mo, published, self-serve |
| AI workflows | None — no AI automation | 7 AI workflows included |
| Drawing takeoff | Manual — not included | Upload → GPT-4o Vision extracts quantity table |
| RFI drafting | Manual templates | Photo + description → AI drafts all fields |
| Contract reader | Not available | Upload → AI surfaces clauses, dates, obligations |
| Field log automation | Manual entry by PM | Voice/text/photo → AI auto-generates structured log |
| Setup time | Weeks — accountant onboarding required | 60 seconds — self-serve, no onboarding |
| Contract terms | Annual lock-in required | Cancel anytime, month-to-month |
* Foundation Software pricing is quote-based; $500+/mo estimate reflects mid-size GC tier. Sourced June 2026.
Accounting System vs. System of Action
Foundation Software manages money after the fact. SiteBridge automates the field work in real time.
When Foundation Software is the right call
Foundation is a legitimate accounting tool for GCs. Here's when it earns its price.
Multi-state certified payroll and prevailing wage compliance
Foundation's payroll module handles Davis-Bacon reporting, union fringe benefits, and state-specific certified payroll automatically. If you run public works jobs with complex compliance requirements, Foundation earns its price.
AIA billing and job cost accounting at scale
If your PM team lives in G702/G703 pay apps, WIP schedules, and job cost variance reports, Foundation's accounting modules are purpose-built for GC back-office operations.
Organizations already deep in Foundation's ERP ecosystem
If your accounting staff, project controllers, and CFO are all trained on Foundation and your financials are all there, the migration cost of switching likely exceeds the benefit.
For the work that happens on the jobsite — not in the back office
Superintendents spending an hour a day on paperwork that accounting software can't touch
Foundation doesn't draft RFIs, auto-generate daily logs, parse drawings, or build Gantts. It's an accounting system. SiteBridge is the AI layer for the field work between site visits.
SMB GCs ($500K–$5M) who don't need $500+/mo accounting software to run field operations
If your back office is handled by QuickBooks and your CPA, you don't need Foundation. You need a field ops tool that automates documentation without requiring an accounting team.
Teams that need AI-native field automation now, not after a procurement cycle
SiteBridge is live the same day you sign up. No demo call, no accounting consultant, no configuration. Seven AI workflows from day one at $49/mo.
SiteBridge and Foundation can coexist
SiteBridge handles field-to-office automation; Foundation handles the accounting. They operate in separate lanes — SiteBridge generates the daily logs, RFIs, and submittals; Foundation processes the job costs, pay apps, and payroll. No overlap, no conflict.
System of Record
Payroll, job costing, AIA billing, certified payroll. Your back-office source of truth for financials.
System of Action
Draft RFIs, auto-generate logs, parse drawings, read contracts, and build Gantts. The AI layer that does the field documentation.
Integration roadmap: SiteBridge is exploring Foundation Software data connectors — job cost codes from Foundation feeding into SiteBridge daily log tagging. Email sitebridgeco@polsia.app for early access.
Answers for construction teams evaluating SiteBridge vs. Foundation Software
Does Foundation Software have AI?
Is SiteBridge a replacement for Foundation Software?
What's the actual setup time for SiteBridge vs. Foundation?
How does the $49/mo vs. $500+/mo compare in practice?
What if I need job costing in my field logs?
Is there a free trial?
Stop paying $500+/mo for accounting software your superintendent has never opened.
$49/mo. Self-serve. No sales call. Live today.