Contractor Business OS | Invoice, Estimate, Job Costing & Excel Report

Description

🏗️ RUN YOUR ENTIRE CONTRACTING BUSINESS FROM ONE FILE.

No subscriptions. No logins. No cloud. Just open the file in your browser and go.

Contractor Business OS is a complete, offline business management system built for independent contractors and small construction companies. Everything you need — invoicing, job costing, estimates, change orders, project tracking, and more — in a single HTML file that works on any computer, instantly.

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📦 WHAT'S INCLUDED
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💻 Contractor Business OS — HTML App
The main management system. Open in Chrome or Edge, no installation needed.

📊 Branded Excel Export
Export all your data to a formatted Excel workbook for reporting, sharing with your accountant, or archiving.

🖨️ Printable Document Pack (5 Forms)
▸ Proposal & Agreement
▸ Change Order Authorization
▸ Lien Waiver & Release
▸ Daily Site Log & Punch List
▸ Jobsite Safety Inspection

📋 Companion Reference Documents
▸ Client Email Templates (8 ready-to-send messages)
▸ Contractor Workflow Checklist
▸ Printable Change Order Form + Log Sheet
▸ Project Profit Summary Worksheet

📖 User Guide PDF

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⚡ APP FEATURES AT A GLANCE
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📈 Dashboard — Live KPIs: revenue, costs, profit, margin, cash flow
🏗️ Projects — Contract value, budget, schedule, status, and adjusted totals
👤 Clients — Full client profiles with contact details
📝 Estimates — Branded, printable, line-item estimates with tax
🧾 Invoices — Professional invoices with payment tracking and aging
💸 Job Costing — Log labor, materials, subs, and equipment per project
🔄 Change Orders — CO-adjusted contract and budget logic built in
📦 Purchase Orders — Track material and equipment orders
👷 Subcontractors — Manage contacts, assignments, and balances
👥 Team — Hours tracking per project
🚛 Fleet & Equipment — Status, assignment, and maintenance notes
🔩 Materials — Inventory with reorder point alerts
⚙️ Settings — Company profile, currency, tax rate, custom terms

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✅ WHY CONTRACTORS LOVE IT
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✔ No monthly fees — pay once, use forever
✔ Works 100% offline — no internet required
✔ No installation — just open the file and start
✔ Your data stays on your device — total privacy
✔ Runs on Windows, Mac, Linux, iPhone, and Android
✔ Instant setup — enter your company details and you're ready
✔ Branded invoices and estimates your clients will trust
✔ Change order logic automatically adjusts contract and profit totals
✔ Weekly backup reminder so you never lose your data

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🖨️ THE DOCUMENT PACK
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Print. Fill. Sign. Done.

The five field forms are designed for real job sites — clean, professional layouts you can print, take on-site, and get signed. All branded with your company name.

▸ Proposal & Agreement — close jobs with a professional contract
▸ Change Order — protect yourself when scope changes
▸ Lien Waiver — release lien rights cleanly after payment
▸ Daily Site Log & Punch List — field documentation done right
▸ Safety Inspection — keep your crew and liability covered

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🔧 HOW IT WORKS
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1️⃣ Download the file instantly after purchase
2️⃣ Open Contractor_Business_OS.html in Chrome or Edge
3️⃣ Go to Settings → enter your company name and preferences
4️⃣ Add your clients, projects, and start tracking
5️⃣ Export a backup and an Excel report whenever you need one

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💾 YOUR DATA IS SAFE
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Data is saved automatically in your browser. Use the built-in Export Backup feature to save a .json file of all your data. The app reminds you weekly if you haven't backed up recently.

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💻 SYSTEM REQUIREMENTS
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▸ Recommended: Google Chrome or Microsoft Edge (latest version)
▸ Also works: Firefox, Safari
▸ Internet: Not required
▸ OS: Windows, macOS, Linux, iOS, Android

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📬 INSTANT DIGITAL DOWNLOAD
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You'll receive a download link immediately after purchase. No waiting, no shipping. Open the file and you're running a professional operation in minutes.

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Questions? Message me — I respond fast.
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