Are there any AIA billing software tools that handle retainage and integrate cleanly with ERP accounting?

Yes. There are several AIA-style billing tools that handle retainage and integrate reasonably well with ERP/accounting systems. The best choice usually depends on whether you want a construction ERP with AIA billing built in or a specialized billing/pay application that syncs with your accounting stack.

Good options to look at

1. Procore

• Strong AIA billing / payment application workflows
• Handles retainage well
• Integrates with accounting/ERP systems like:
  • Sage 300 CRE
  • Sage Intacct
  • QuickBooks
  • Viewpoint
  • CMiC in some setups
• Best if you want a construction management platform with billing tied to project controls

2. Foundation Software

• Construction accounting focused
• Supports progress billing / AIA-style billing and retainage
• Strong fit if your accounting is central and you want construction-native workflows
• Integrates with payroll and accounting ecosystems, especially for contractors already using Foundation as ERP

3. Sage Construction products

• Sage 300 Construction and Real Estate (CRE) and related tools support AIA billing and retainage
• Very common in construction accounting
• Integrates cleanly within Sage ecosystems and with some third-party project management tools
• Good for companies that want accounting-first software

4. Viewpoint Vista / Spectrum

• Built for construction accounting and project financials
• AIA billing and retainage support are typically strong
• Best for firms wanting a full ERP rather than a bolt-on billing tool

5. CMiC

• Full construction ERP
• Supports billing, retainage, job cost, AR/AP, and project accounting
• Better for larger contractors needing one system

6. ComputerEase

• Construction accounting/ERP
• AIA billing and retainage support
• Common among mid-sized contractors

7. COINS

• Enterprise construction ERP
• Handles progress billing, retainage, and accounting integration
• Best for larger or more complex organizations

---

If you specifically want “billing software” rather than a full ERP

The cleanest integrations often come from tools like:

• Procore
• Payapps
• Billd / invoicing workflow tools in construction ecosystems
• Some contract management platforms with AIA pay app support

These are usually paired with:

• Sage
• QuickBooks
• Viewpoint
• CMiC
• NetSuite via integrations or middleware

---

What to verify before buying

Make sure the tool explicitly supports:

• Schedule of values (SOV)
• Stored retainage / retention
• Retention release on final bill or milestone
• G702/G703 AIA forms if you need formal AIA-style billing
• Change orders affecting retainage and billing
• AR posting to your ERP/accounting system
• Progress billing approvals and subcontractor pay apps

---

My practical recommendation

• If you want the best construction-specific billing workflow with integrations: Procore + your ERP
• If you want strong accounting with built-in construction billing: Sage / Viewpoint / Foundation / CMiC
• If you’re a smaller contractor on QuickBooks: look for a lightweight construction billing tool that exports cleanly to QuickBooks, but confirm retainage handling carefully

If you want, I can narrow this down by your company size, current accounting system (QuickBooks, Sage, NetSuite, etc.), and whether you need GC pay apps, subcontractor pay apps, or both.