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Construction ERP

Construction ERP is project accounting first and everything else second. Every dollar attaches to a job, a cost code, and a cost type; the system tracks committed costs from subcontracts and purchase orders against budget, produces work-in-progress (WIP) schedules, and supports percentage-of-completion revenue recognition. What makes the US category distinct is billing and payroll: AIA-style progress billing with a schedule of values, change orders, and retainage, plus certified payroll for public work under prevailing-wage rules. Generic accounting software can post transactions — it cannot tell a project manager what a job will cost at completion.

Typical buyers are general contractors, specialty trade contractors in electrical, mechanical, concrete, and roofing, heavy civil firms, and homebuilders. Most move off a small-business accounting package plus spreadsheets when a surety, an auditor, or a public owner starts demanding real WIP reporting and certified payroll they can trust.

What to look for

  • Job costing with committed cost tracking, cost-to-complete forecasting, and change order management tied to both budget and billing
  • AIA progress billing — applications for payment with schedule of values, stored materials, and retainage handled natively, not in a spreadsheet sidecar
  • Certified payroll with prevailing-wage rates, multi-state and multi-rate processing, and union fringe calculations where relevant
  • Subcontract management including insurance certificate tracking, lien waivers, and pay-when-paid controls
  • Field data capture — mobile time entry, daily logs, and equipment hours that flow into job cost the same day
  • WIP reporting in a format your surety and bank accept without rework

What the category costs

Construction systems are typically priced per user and per module, and payroll is often licensed or serviced separately. Smaller contractors commonly land in the five figures per year for software; mid-market firms should expect total first-year costs in the six figures once implementation, data migration, and training are included. Because operating costs, payroll processing, and field licenses accumulate over time, evaluate candidates on total cost of ownership rather than license price — an ERP TCO calculator makes those comparisons concrete.

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Frequently asked questions

When does a contractor need construction ERP instead of generic accounting software?

Generic accounting can record job income and expenses, but it cannot forecast cost at completion, track committed costs from open subcontracts and purchase orders, or produce a WIP schedule a surety will accept. The switch usually becomes necessary when bonding capacity, bank covenants, or public-work requirements demand reliable WIP and certified payroll reporting, or when project managers only learn a job lost money after it closes. Contractors self-performing work with field crews, retainage, and change orders across multiple active jobs hit those limits earlier than revenue size alone suggests. If your month-end WIP lives in a spreadsheet that one person understands, that is typically the tipping point.

What is AIA-style progress billing and does the software need to produce it?

AIA-style billing means invoicing against a schedule of values as work progresses, using the application-for-payment format — commonly the G702 application with the G703 continuation sheet — that owners, architects, and general contractors expect. Each application shows work completed to date, stored materials, previously billed amounts, and retainage withheld, and it must reconcile exactly with prior applications and approved change orders. Producing this in spreadsheets invites math errors that delay payment, so native support including retainage tracking through final release is a core requirement for any contractor billing this way. In demos, have the vendor process a change order mid-project and show how the next payment application reflects it.

Can construction ERP handle certified payroll and prevailing wage requirements?

Systems built for the US construction market handle certified payroll as a standard function: prevailing-wage rate tables by craft and locality, fringe benefit calculations, multi-state and multi-rate weeks, and the certified payroll reports public agencies require. This matters because manual certified payroll is slow and error-prone, and errors on public work carry real compliance risk. Some contractors still keep payroll with an outside service — the deciding factors are union complexity, in-house expertise, and whether the service can feed labor cost back to jobs at the level of detail job costing needs. Whichever route you take, confirm that labor hours captured in the field land in job cost daily, not at the end of a pay cycle.