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    Finance
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    Job Costing for Canadian Contractors: Stop Guessing Your Profits

    C
    Charles Baril
    Author
    April 14, 2026

    The Silent Killer of Contracting Businesses

    Many Canadian contractors finish a busy season only to look at their bank accounts and wonder, "Where did all the money go?" The culprit is almost always poor job costing. Without knowing exactly what each project costs in labor, materials, and overhead, you're essentially flying blind.

    What is Job Costing?

    Job costing is the process of tracking the specific expenses associated with a single project. Unlike general accounting, which looks at the business as a whole, job costing zooms in on individual jobs to determine their true profitability.

    The Three Pillars of Job Costing

    • Direct Labor: The actual wages paid to your crew for the hours they worked on the specific site, including payroll taxes and benefits (WSIB, CPP, EI).
    • Direct Materials: Every piece of lumber, pipe, or wire purchased specifically for that job.
    • Overhead Allocation: A portion of your general business expenses (insurance, truck payments, office staff) applied to the job.

    How to Implement Job Costing Today

    Start by requiring daily time tracking from your crew, categorized by cost code (e.g., framing, drywall, painting). Use software to tag every material receipt to a specific project address. Finally, calculate your true hourly burden rate so your labor costs reflect reality, not just the hourly wage.

    The Bottom Line

    Job costing isn't just about accounting; it's about pricing your next job correctly. When you know your true costs, you can bid with confidence, knowing exactly what margin you'll make.

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