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Head-to-head · Contractor Accounting Software

RIB BuildSmart vs Sage 100 Contractor

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score RIB BuildSmart #4 in Contractor Accounting Software 9.1/10 Pricing on request ✓ 1 of 5 features Visit RIB BuildSmart
Sage 100 Contractor #7 in Contractor Accounting Software 8.8/10 Pricing on request ✓ 1 of 5 features Visit Sage

RIB BuildSmart leads on 0 checks, Sage 100 Contractor on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreRIB BuildSmart · 9.1/10

RIB BuildSmart scores higher on our rubric for contractor accounting software: 9.1 against 8.8 out of 10; our editors rank them #4 and #7.

RIB BuildSmart is the better fit for contractors needing advanced cost and procurement control. Sage 100 Contractor is the better fit for small and mid-size contractors on Windows.

  • RIB BuildSmart fits best

    Contractors needing advanced cost and procurement control

  • Sage 100 Contractor fits best

    Small and mid-size contractors on Windows

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature RIB BuildSmart 9.1/10 Visit ↗ Sage 100 Contractor 8.8/10 Visit ↗
At a glance
Editor score 9.1 8.8
Ranking #4 in Contractor Accounting Software #7 in Contractor Accounting Software
Best for Contractors needing advanced cost and procurement control Small and mid-size contractors on Windows
Pricing model Paid Paid
Starting price Pricing on request Pricing on request
Free plan Not checked yet Not checked yet
Free trial — —
Deployment Cloud Desktop, Self-hosted
Platforms Web Windows
Support Email, Tickets Community, Docs
Integrations 1 integrations 1 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market
Features RIB BuildSmart 1/5 · Sage 100 Contractor 1/5
Job costing ✓ ✓
Retainage billing Not checked yet Not checked yet
WIP accounting Not checked yet Not checked yet
Contractor payroll Not checked yet Not checked yet
Cash-flow tools Not checked yet Not checked yet
Specs
Mobile access Not checked yet Not checked yet
Our review
Pros
  • Detailed project, contract, cost-code, and activity costing
  • Procurement covers requisitions, orders, deliveries, and invoice reconciliation
  • Multi-company, multi-currency consolidation with real-time reporting
  • Job costing, estimating, budgets, and project cost visibility
  • Progress billing with retention and change-order management
  • More than 1,200 reports with customizable dashboards and drill-down
Cons
  • Web deployment may not suit teams requiring desktop software
  • Custom pricing requires a contact-sales process
  • Support is limited to email and ticket channels
  • Runs on Windows workstations and servers only
  • Desktop and self-hosted deployment limits flexibility
  • Pricing requires contacting Sage or a construction specialist
Our verdict

RIB BuildSmart is a web-based construction and engineering enterprise management system for contractors, construction companies, and engineering businesses. It brings project and contract costing together with enterprise accounting,…

Read the review →

Sage 100 Contractor combines construction accounting and business-management workflows for small to mid-sized contractors. Its scope covers job costing, estimating, project management, accounts receivable, progress billing, purchasing,…

Read the review →
  1. RIB BuildSmartContractor Accounting Software 9.1Pricing on request
  2. Sage 100 ContractorContractor Accounting Software 8.8Pricing on request

Strengths and trade-offs

  • RIB BuildSmart — where it wins

    • Detailed project, contract, cost-code, and activity costing
    • Procurement covers requisitions, orders, deliveries, and invoice reconciliation
    • Multi-company, multi-currency consolidation with real-time reporting

    Where it doesn't

    • Web deployment may not suit teams requiring desktop software
    • Custom pricing requires a contact-sales process
    • Support is limited to email and ticket channels

  • Sage 100 Contractor — where it wins

    • Job costing, estimating, budgets, and project cost visibility
    • Progress billing with retention and change-order management
    • More than 1,200 reports with customizable dashboards and drill-down

    Where it doesn't

    • Runs on Windows workstations and servers only
    • Desktop and self-hosted deployment limits flexibility
    • Pricing requires contacting Sage or a construction specialist
  • RIB BuildSmart9.1/10 · Pricing on request

    A web-based construction accounting system for detailed cost, procurement, and equipment control.

    Visit RIB BuildSmartFull verdict →
  • Sage 100 Contractor8.8/10 · Pricing on request

    A Windows-based contractor suite with deep job costing, billing, and reporting.

    Visit SageFull verdict →

More comparisons

All contractor accounting software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update