Sage 100 Contractor is a proven mid-market construction accounting platform. Deep job costing, strong payroll — but a learning curve and a dated interface. Here's the full picture.
Sage 100 Contractor (formerly Sage Master Builder) is one of the most widely used mid-market construction accounting platforms in North America. It's been around since the 1980s and has a large installed base of mid-size general contractors, specialty subcontractors, and homebuilders. If you're in the $3M–$50M revenue range and need integrated accounting, estimating, payroll, and project management in a single platform, Sage 100 Contractor is worth serious evaluation.
It's not without limitations — the interface is dated, the learning curve is steep, and cloud capabilities have historically lagged cloud-native competitors. But for contractors who prioritize accounting depth and data integrity over interface design, it's a compelling choice.
Sage 100 Contractor targets mid-size construction companies ($3M–$50M revenue) that have outgrown QuickBooks but don't need the complexity of Sage 300 CRE (formerly Timberline), which serves much larger enterprise contractors. If you need job costing at the cost code level, certified payroll, subcontractor management, and integrated estimating — all in one system — Sage 100 Contractor delivers.
Sage 100 Contractor uses subscription pricing. Rates are not publicly listed and vary based on user count and module selection. General market pricing estimates:
Work through a Sage reseller for current pricing. Implementation costs can add $5,000–$15,000+ depending on complexity and data migration needs.
Sage 100 Contractor's accounting foundation is its strongest asset. The general ledger, accounts payable, accounts receivable, and financial reporting are purpose-built for construction — not adapted from generic accounting software. Percentage-of-completion accounting, work-in-progress (WIP) schedules, and overbilling/underbilling tracking are all native capabilities.
Job costing in Sage 100 Contractor is comprehensive and uses a multi-level cost code structure. You can track costs by job, cost code, and cost type (labor, material, subcontractor, equipment, overhead). Real-time cost-to-complete projections and variance reporting let project managers see where a job is heading before it goes over budget.
One of Sage 100 Contractor's differentiated features is its built-in estimating module, which integrates directly with job costing. You can build an estimate, convert it to a job, and immediately have a budget to track against — without re-entering data. This tight integration between estimating and accounting is a genuine advantage over using separate tools.
Sage 100 Contractor handles the complexity of construction payroll — multiple pay rates, prevailing wages, certified payroll reports, union fringe benefits, and multi-state workers — better than any generic accounting platform. This is a major reason mid-size contractors choose it over QuickBooks.
Sage 100 Contractor includes basic project management tools — submittals, RFIs, change orders, purchase orders, and daily reports. These are functional but not deep. Contractors with intensive field management needs typically pair Sage 100 Contractor with a dedicated field platform like Procore, Buildertrend, or Fieldwire.
| Sage 100 Contractor | Foundation | QuickBooks + Buildertrend | |
|---|---|---|---|
| Integrated estimating | ⭐ Yes | Basic | Separate tools |
| Job costing | ⭐ Deep | ⭐ Deep | Moderate |
| Certified payroll | ⭐ Yes | ⭐ Yes | Add-on needed |
| Field management | Basic | Basic | ⭐ Buildertrend is strong |
| Interface | Dated | Dated | ⭐ Modern |
| Mac compatible | Limited | Limited | ⭐ Yes |
| Cost | Mid-high | Mid-high | Mid (two tools) |
Choose Sage 100 Contractor if: You're a mid-size contractor ($3M–$50M) who needs integrated accounting and estimating, does prevailing wage or certified payroll work, wants a single system rather than multiple integrated tools, and has budget for proper implementation by a Sage reseller.
Consider alternatives if: You're under $2M revenue (Foundation or QuickBooks are better fits), you need strong mobile/field management (pair it with Procore), you're a Mac shop (cloud hosting helps but it's not ideal), or you want a modern SaaS experience (Sage 100 Contractor's UX will frustrate you).