Contractor Profit OS estimating and job costing system
Job Cost Tracker and Profit Analyzer contractor dashboard

Price jobs better. Protect your margin. Control the cash.

Practical Excel systems for contractors, builders and trades — from estimating and job costing to change orders, invoicing and profit tracking.

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Contractor Business Systems

Contractor Profit OS — Estimate, Job Costing & Profit Dashboard

Contractor Profit OS — Estimate, Job Costing & Profit Dashboard

£29.95

Contractor Estimate & Quote Calculator — Margin-Protected Pricing Spreadsheet

Contractor Estimate & Quote Calculator — Margin-Protected Pricing Spreadsheet

£14.95

Job Cost Tracker & Profit Analyzer — Contractor Spreadsheet

Job Cost Tracker & Profit Analyzer — Contractor Spreadsheet

£12.95

Change Order & Payment Tracker — Contractor Scope & Cash Control

Change Order & Payment Tracker — Contractor Scope & Cash Control

£12.95

Markup vs Margin Pricing Calculator — Contractor Profit Tool

Markup vs Margin Pricing Calculator — Contractor Profit Tool

£9.95

One-time download

No MarginRidge subscription. Download the Excel files and use them in your business.

Built for job-based businesses

Designed around quoting, gross margin, actual job cost, scope changes and cash collection.

Global editions

Current contractor bundles include GBP, USD, CAD, AUD and NZD versions for major English-speaking markets.

Want the complete workflow?

Contractor Profit OS brings estimating, margin protection, job costing, change orders, invoices and profit tracking into one workbook system.

View Contractor Profit OS