Taxr for Sole Traders: Expense Tracking Made Simple

A sole trader business is the one you put a key in every morning. The ute is loaded the night before, the tools are in the back, the client list is on your phone, and the job starts when you pull into the driveway of the first site. It's an ongoing operation, not a gig: there are recurring customers, recurring suppliers, a Bunnings run every second Tuesday, a mechanic on speed dial, and an accountant who expects quarterly paperwork. The receipts pile up faster than anything else on your dashboard, and unless you have a system, they're gone by the time you remember them.

Disclaimer: This article provides general information only and does not constitute tax advice. Consult a registered tax agent for advice specific to your circumstances.

Taxr is an expense tracker designed for that day-to-day reality. Scan a receipt at the service station, another after the parts order at the trade supplier, one more when you pay for parking at the site, and by the end of the week your records are done. When BAS lands or tax time rolls around, there's no shoebox to empty, no bank statement to reverse-engineer, no weekend lost.

Why Sole Trader Bookkeeping Is a Different Animal

Registering as a sole trader is the simplest business structure in Australia, but "simple" and "low paperwork" are not the same thing. A sole trader is unambiguously running a business, and the ATO treats the income and expenses accordingly.

You need an ABN. Unlike casual freelance work, where hobby rules can apply to small-scale gigs, a sole trader by definition is operating a business. Get your ABN before you invoice customers: clients who pay you without one are legally obliged to withhold 47% of any payment over $75 (excluding GST). For anyone actually trying to run a trade, a cleaning round, or a mobile service, operating without an ABN is not a realistic option.

GST registration kicks in at $75k. Once your GST turnover reaches $75,000 in a twelve-month window, you must register for GST within 21 days. From that point on, you add 10% GST to your invoices, you claim GST credits on your business purchases, and you lodge a BAS. Most established sole traders cross this line quickly: a tradie charging $1,200 a day crosses $75k in about 12 weeks of work.

Your personal and business finances sit under one legal entity. There's no separate company balance sheet shielding you. The ATO expects a clean line between business and personal spending, and when you claim a deduction, you need to be able to prove it relates to earning business income. Mixing the family grocery shop and the Bunnings trip on the same card makes life harder at tax time and riskier in a review.

Records must be kept for five years. The ATO can ask for them at any point during that window. Faded thermal receipts don't survive the hot glove box of a work vehicle, and a lost invoice means a lost deduction. A clear digital copy, which the ATO accepts, is the simplest way to make a receipt last five years.

GST and BAS: The Quarterly Rhythm

BAS (Business Activity Statement) lodgement is the administrative heartbeat of a GST-registered sole trader. Most sole traders lodge quarterly: four times a year, generally by the 28th of the month after each quarter ends, except the October to December quarter, which is due 28 February. Businesses with GST turnover of $20 million or more report monthly, and businesses voluntarily registered for GST with turnover under $75,000 can choose to report annually.

A typical quarterly BAS for a sole trader includes:

• G1 (Total sales): your sales for the quarter, including GST collected from customers.
• 1A (GST on sales): the portion you owe the ATO.
• 1B (GST on purchases): the GST credits you can claim on business expenses.
• 5A (PAYG income tax instalment): a pre-payment of your income tax, usually worked out by the ATO from your last return.

What the ATO actually wants underneath those numbers is a documented paper trail: a business bank statement showing the sales, and receipts and tax invoices for every purchase where you're claiming a GST credit. This is where most sole traders lose time: not in filling out the BAS itself, but in scrambling to find the receipts that back up the numbers on it. The BAS cycle is only painful in proportion to how disorganised the preceding twelve weeks were.

Taxr is designed to make the weeks before a BAS lodgement boring instead of stressful. Every scanned receipt records the GST and the category, so when the quarter ends you pick the quarter and export one PDF or spreadsheet with the GST from every receipt you've scanned, grouped and totalled by category. Your BAS agent gets a file they can work from straight away, and if you lodge yourself through ATO Online services or myGov, your GST credits figure is already added up.

How Taxr Fits Around Actual Sole Trader Work

Taxr works the way sole traders actually operate: on the move, between jobs, one-handed in the cab of a vehicle while waiting on the next client.

Scan receipts as you go. Open the app, point the camera, done. The AI reads the vendor, date, total, ABN and GST, and you confirm them. It handles service station receipts, trade supplier invoices, parts orders, parking tickets and toll notices. A scan takes about five seconds, which is roughly the time it takes to stuff a paper receipt into the centre console where it will never be seen again.

Categories follow the ATO's deduction groupings. The AI suggests a category from Taxr's Australian set (vehicle expenses, fuel, parking and tolls, subcontractors, professional services and more), and you confirm with a tap. There's little re-sorting at year end.

Cloud backup survives the work site. Tools get dropped, phones get damaged, paper gets soaked in a downpour on a Wednesday afternoon. Every receipt is saved to your Taxr account as soon as you confirm it, so none of those normal hazards of trade work take your records with them. Sign in on a new phone and every expense is still there.

GST tracked from the first scan. For GST-registered sole traders, the GST shown on every receipt is read and recorded automatically, with no manual maths. Your GST credits build up through the quarter and are totalled when BAS is due.

Expense Categories That Actually Fit a Physical Business

Sole traders tend to have broader and more physical expense profiles than desk-only freelancers. These are the categories Taxr pre-configures around the realities of running an ongoing operation with vehicles, sites, and materials.

• Motor vehicle: Fuel, servicing, registration, insurance, tyres, tolls, parking, and roadside assistance. You can claim business use of your vehicle under the cents per kilometre method (91 cents per km for 2026-27 and 88 cents for 2025-26, up to 5,000 km per car per year) or the logbook method (actual expenses apportioned by business-use percentage, supported by a logbook kept for at least 12 continuous weeks). Taxr captures the costs; your logbook or km estimate determines the claim.
• Supplies and materials: Raw materials, stock, consumables, cleaning products, paint, timber, concrete, parts, packaging. The recurring cost of delivering your actual product or service.
• Tools and equipment: Power tools, hand tools, ladders, safety gear, trolleys, generators. If your business turnover is under $10 million, you can usually deduct eligible assets costing less than $20,000 each straight away under the instant asset write-off, which is permanent from 1 July 2026; dearer items are depreciated over time.
• Contractor and subcontractor payments: Payments to other tradies or specialists you sub work out to. These are deductible as operating expenses, and if your business is in building and construction you may also need to report them in a Taxable Payments Annual Report (TPAR).
• Accounting, bookkeeping, and BAS agent fees: What you pay your tax agent, your BAS agent, and any bookkeeper who touches your records. Fully deductible and easily forgotten because they're usually paid on auto-debit.
• Business insurance: Public liability, professional indemnity where applicable, income protection, tool insurance, and vehicle insurance for the business-use portion.
• Licensing, registration, and compliance: Trade licence renewals, working with children checks, industry registrations, white card, forklift licence, safety training, and any regulatory fees for operating in your field.
• Phone and internet: The business-use portion of the phone you're taking bookings on and the internet at home or in the office.
• Marketing: Vehicle signage, uniforms, business cards, flyer drops, Google Business profile spend, local directory listings, and paid ads.
• Home office: If you run your admin from a home office (quoting, invoicing, ordering materials), the fixed rate method at 70 cents per hour (the rate for 2024-25 and 2025-26) or actual costs both work for sole traders.

Taxr's default Australian categories cover these expenses, and you can add your own when something doesn't fit.

Four Sole Traders Taxr Is Built For

The defaults in Taxr assume a physical operation. Picture a tradie sole trader running a small electrical contracting business: two jobs a day, parts from the wholesaler in the morning, parking at the second site, fuel in the afternoon. A mobile mechanic servicing cars at the customer's house, billing for labour and parts, keeping a logbook for vehicle deductions. A cleaner with a small round of commercial clients and recurring supply orders. A courier running parcels across a suburb, filling the tank every other day.

All of them generate a continuous stream of paper and digital receipts from different vendors, all of them have a BAS coming, and all of them have a business bank account that has to reconcile to real evidence. Taxr is built to handle that volume without becoming a chore.

Sole Trader Resources

These guides cover the topics sole traders ask about most. Each one is written for Australian sole traders and includes practical, ATO-referenced advice:

Make the Next BAS Quarter the Boring One

The sole traders who complain about quarterly paperwork are almost always the ones who only touch it during the last week before the lodgement deadline. The ones who scan as they go (a five-second habit at the petrol station, the parts counter and the supplier) barely notice BAS week at all. They export a report, send it to their BAS agent or use it to lodge through ATO Online services themselves, and move on. Your tax return follows the same principle: what feels like months of work is really twelve weeks of tiny habits done consistently.

Taxr makes that habit easy to keep. It sits in your pocket, takes about five seconds of your attention per receipt, and quietly builds the records you'll need for your BAS, your return, and any ATO review you might face in the next five years. A first-year sole trader still figuring out the rhythm and a twenty-year tradie who has had enough of shoeboxes start the same way: a few minutes of setup, then one photo per receipt.

Download Taxr on the App Store or get it on Google Play and keep your sole trader records up to date as you go.