how-to
How to Track Expenses for Trades: 2026 Guide
Table of Contents
- Why Expense Tracking Matters for Trades Businesses
- How to Track Expenses for Trades: A Step-by-Step System
- CRA Business Expense Requirements You Need to Know
- Deductible Expenses for Trades Businesses
- How to Organize Contractor Receipts Without the Shoebox
- Best Bookkeeping Software for Contractors
- On-the-Road Expenses: Tracking Costs Away From the Shop
- Conclusion
- Frequently Asked Questions
Last Updated: September 27, 2026
Why Expense Tracking Matters for Trades Businesses
If you want to know how to track expenses for trades, start with the reason it matters: every dollar you miss is a dollar you can't claim. Miss enough of them and you lose real money at tax time.
At Cornerstone Compliance, we work with trades owners every week who are great at the work and lost when it comes to the books. That gap costs them.
Here's the core problem. You buy materials on three different cards, pay a sub in cash, and grab fuel on the way home. By Friday, half of it is a blur.
A few things happen when you don't track it all:
- You overpay tax because you can't prove costs you actually had
- You can't tell which jobs made money and which didn't
- You lose track of cash flow and get surprised by bills
The Canada Revenue Agency (CRA) expects records that back up every claim you make. No records, no deduction. It's that simple.
Tracking isn't about paperwork for its own sake. It's how you find out if your rates are actually making you money.
How to Track Expenses for Trades: A Step-by-Step System
A simple system beats a perfect one you never use. Here's the four-step approach we recommend to trades owners who are running crews, juggling multiple jobs a week, and doing the books at night.

Step 1: Separate Business and Personal Money
Open a dedicated business bank account and run every business dollar through it. This one move does more for clean books than anything else.
Pay business costs from the business account. Pay yourself a set amount into your personal account. Never mix the two.
If you take cash from a customer, deposit it into the business account the same day or the next business day. Cash that sits in your wallet for a week is the single hardest expense to prove later.
Why it matters: when everything runs through one account, your bookkeeper can reconcile it in minutes instead of chasing you for explanations.
Step 2: Pick a Tracking Method and Categorize Every Cost
Choose one method and stick with it. Most trades owners do well with a cloud accounting app on their phone that syncs to a desktop dashboard.
Categorize each cost as it happens. Common buckets for trades businesses include:
- Materials and supplies used on jobs
- Fuel, insurance, and vehicle repairs
- Subcontractor payments
- Tools and small equipment
- Safety gear and work clothing
- Phones, software, and office costs
- Rent, utilities, and shop overhead
Don't leave anything uncategorized. A pile of "miscellaneous" entries tells you nothing, and it makes it impossible to see which categories are creeping up month over month.
A practical habit: at the end of each week, scan your uncategorized list and clear it. Ten minutes on Friday beats three hours in April.
Step 3: Tag Every Expense to a Job or Work Order
This is the step most trades owners skip, and it's the one that changes how you price work.
Job costing means tagging each expense to the job it belongs to. That includes the obvious ones (materials, sub labour) and the easy-to-miss ones (fuel to get to the site, a replacement bit you grabbed on the way, the parking meter).
If you use a field service management (FSM) tool for scheduling and work orders, connect it to your accounting app so expenses flow back to the same job number.
Step 4: Reconcile Every Month and Review Job Profit
Set a monthly routine and protect the time:
- Match your bank and card statements to your records
- Check every open job's costs against its revenue
- Flag anything that looks off, then follow up while the details are fresh
- Review your top three and bottom three jobs by margin
Do this once a month and you'll spot profit leaks while you can still fix them. A job that looked fine on the invoice often looks very different once fuel, subs, and small supply runs are attached to it.
CRA Business Expense Requirements You Need to Know
To claim an expense, it generally has to be incurred to earn business income. Personal costs don't count.
What good records look like:
- The date and amount of the purchase
- Who you paid and what it was for
- Proof of payment, like a bank or card record
Deductible Expenses for Trades Businesses
Most everyday costs of running your trade are deductible. The trick is knowing what counts and keeping the proof.
Common deductible expenses for trades businesses include:
- Materials and supplies used on jobs
- Fuel, insurance, and repairs for work vehicles
- Tools and small equipment
- Subcontractor payments
- Safety gear and work clothing
- Phones, software, and office costs
How to Organize Contractor Receipts Without the Shoebox
The shoebox is where deductions go to die. Here's a better way.
A simple receipt workflow:
- Get the receipt
- Photograph it right away
- Note the job it belongs to
- Drop it in your app or a labeled folder
- Recycle the paper once it's saved
Best Bookkeeping Software for Contractors
Good software does the heavy lifting. The right pick depends on how you work.
Look for these features:
- Mobile receipt capture
- Job costing built in
- Bank feeds that sync automatically
- Reports you can actually read
On-the-Road Expenses: Tracking Costs Away From the Shop
Most of your spending happens away from a desk. Fuel, parking, supplies, meals, and small cash buys all add up fast, and they're the expenses most likely to go missing because there's no office moment to log them. Capturing these fragmented costs requires a reliable system, so integrating a standardized expense tracker template ensures that every receipt finds its place before the day ends.
Fuel and Vehicle Costs
Fuel and vehicle costs are among the biggest expenses for mobile trades. Get them wrong and you leave real money on the table.
A few habits that hold up:
- Keep a dedicated card for fuel so every fill-up lands in one place
- Photograph the pump receipt and note the odometer reading in the same shot
- Log business and personal kilometers separately, every trip, not from memory at month end
- Keep repair and maintenance invoices in the same folder as fuel receipts so the vehicle's full cost picture is in one spot
Small Cash Buys and Per-Diems
A pack of screws here, a coffee meeting there. They're small alone, but they add up over a year, and they're the first thing to disappear when there's no system.
Employees vs. Subcontractors: Two Different Workflows
Most trades businesses run a mixed crew, and the two groups need different handling.
For employees:
- Set a clear reimbursement policy in writing
- Require receipts for anything above a small threshold you choose
- Reimburse through payroll so the paper trail is automatic
- Keep a simple log of who was reimbursed, when, and for what
For subcontractors:
- Make it clear in the contract who buys materials and who gets reimbursed
- Get an invoice for every payment, even small ones
- Pay by bank transfer or cheque so there's a record, not cash
- Keep their invoices filed by job, not by date, so job costing stays clean
A Simple End-of-Day Routine
Five minutes at the end of each day does more than an hour at the end of the month:
- Empty the truck receipt pouch
- Photograph anything not already in the app
- Add the job number and category to each entry
- Log the day's kilometers
- Recycle the paper once it's saved
Conclusion
Tracking expenses doesn't have to eat your evenings. A dedicated account, a simple app, and a monthly routine will keep you clean and CRA-ready.
Frequently Asked Questions
What documentation does the CRA require for business expense claims?
The CRA expects a receipt or invoice showing the supplier name, date, amount paid, and a description of what you bought. For meals and vehicle use, note the business purpose and who was there. Keep records for at least six years from the end of the tax year they relate to. Digital copies are accepted if they are clear and complete, so photographing receipts on site works well for trades.
How do I separate personal and business expenses as an incorporated contractor?
Open a dedicated business bank account and a business credit card, then run every business cost through them. Pay yourself a regular salary or dividend from the business account instead of pulling from it for groceries or personal bills. If you accidentally use a personal card for a work purchase, flag it and reimburse yourself with a clear note so your records stay clean at tax time.
What is the best way to organize receipts for tax season?
Photograph each receipt the moment you get it and store it in a cloud folder by month and category, such as materials, fuel, or tools. Match receipts to bank and credit card lines during your monthly reconciliation so nothing slips through. A naming habit like date-supplier-amount makes searches fast, and it gives you a complete audit trail if the CRA ever asks questions.
How often should I reconcile my business accounts?
Reconcile every month, ideally in the first week after month end. Monthly reconciliation catches missed receipts, duplicate charges, and jobs that are quietly losing money while the details are still fresh. It also makes quarterly tax installments and cash flow forecasting far more accurate than a once-a-year scramble, and it keeps your bookkeeping software totals matching your real bank balance.