Guides for sole traders

The tax admin of being a sole trader, in plain English

Short, accurate guides to BAS, GST, deductions, invoicing, structures and deadlines, written for people who run their own show in Australia and would rather spend Sunday night doing something else. General information only, not tax advice.

BAS and GST

What is a BAS? The Business Activity Statement explained for sole traders

A plain-English explanation of the Business Activity Statement for Australian sole traders: who has to lodge, what the labels mean, when it is due and how to prepare the figures.

Read the guide
How to lodge your BAS online as a sole trader, step by step

Step-by-step instructions for lodging a quarterly BAS through myGov and ATO online services as an Australian sole trader, including which labels to complete, how to pay and what to do if you cannot pay on time.

Read the guide
BAS due dates for 2026-27: every quarterly deadline for sole traders

All the quarterly BAS due dates for the 2026-27 financial year, what happens when a date falls on a weekend, agent extensions, and the other ATO deadlines sole traders need in the same year.

Read the guide
The $75,000 GST registration threshold explained

How the $75,000 GST turnover threshold works for Australian sole traders: what counts as turnover, the rolling 12-month test, the 21-day rule, exceptions for rideshare and non-profits, and what changes once you register.

Read the guide
Do I need to register for GST? A decision guide for sole traders

A practical decision guide for Australian sole traders: when GST registration is compulsory, when voluntary registration makes sense, the rideshare rule, and how to register.

Read the guide
How to calculate GST: adding it, extracting it and getting the BAS right

The two GST formulas every Australian sole trader needs (multiply by 1.1, divide by 11), worked examples, GST-free and input-taxed items, and how the figures flow into 1A and 1B on your BAS.

Read the guide
GST on invoices: what a tax invoice must show and how to get it right

What an Australian tax invoice must include under $1,000 and over $1,000, how to show GST, what changes if you are not registered, and the 47% withholding trap for invoices without an ABN.

Read the guide
PAYG instalments explained: how sole traders pre-pay income tax

How Pay As You Go instalments work for Australian sole traders: how the ATO enters you, the instalment amount vs instalment rate options, where they appear on your BAS, due dates, varying, and the first-year trap.

Read the guide
GST on overseas subscriptions and software: what you can and cannot claim

Can an Australian sole trader claim GST on Adobe, Google, Microsoft, Notion or other overseas software? How to read the invoice, why giving your ABN matters, the simplified-registration trap, and where it goes on the BAS.

Read the guide
BAS labels explained: G1, 1A, 1B and the rest of the form

Every label on the Australian Business Activity Statement explained for sole traders: G1, 1A and 1B on the simpler BAS, G10 and G11 on the full form, the PAYG instalment labels T7, T1 and T2, and the summary labels 8A, 8B and 9.

Read the guide
Cash vs accruals for GST: which basis should a sole trader use?

The difference between cash and accruals (non-cash) GST accounting for Australian sole traders, who is eligible for the cash basis, how each affects your BAS and cash flow, and how to change.

Read the guide
Missed a BAS? What to do, what it costs and how to catch up

What happens when an Australian sole trader misses a BAS deadline: the failure-to-lodge penalty, general interest charge, how to lodge late, how to set up a payment plan, and how to catch up on several missed statements.

Read the guide
Your first BAS ever: a checklist for newly registered sole traders

A step-by-step checklist for lodging your first Business Activity Statement as an Australian sole trader: confirming your period, gathering the statement, categorising, GST on purchases and assets, pre-registration purchases, lodging and paying.

Read the guide
Monthly vs quarterly BAS: which reporting cycle suits a sole trader?

Quarterly, monthly or annual GST reporting for Australian sole traders: who must report monthly, when choosing monthly helps (refund positions, big purchases), the annual option for voluntary registrants, due dates for each, and how to change.

Read the guide
Uber and rideshare GST and BAS: what drivers have to do

GST and BAS for Australian Uber, DiDi and Ola drivers: why you must register from the first dollar, reporting gross fares, claiming GST on the platform service fee, car expenses at your business percentage, quarterly BAS dates and what the ATO already knows.

Read the guide
How to register for GST as a sole trader, step by step

Step-by-step instructions for registering for GST in Australia as a sole trader: getting an ABN first, registering through the ABR or ATO online services, choosing a start date, reporting cycle and accounting basis, and what to change on day one.

Read the guide
Cancelling your GST registration: when you can, how to, and the final BAS

When an Australian sole trader can cancel GST registration, the 12-month rule for voluntary registrants, how to cancel through ATO online services or the ABR, what goes on the final BAS including assets you keep, and what changes afterwards.

Read the guide
Tax invoice requirements in Australia: the checklist for issuing and receiving them

What a valid Australian tax invoice must contain for sales under and over $1,000, when you must issue one, the $82.50 rule for claiming GST, what to do with a supplier invoice that is missing something, adjustment notes and recipient-created tax invoices.

Read the guide
Deposits and progress payments: when the GST is due

When Australian sole traders report GST on deposits, part payments, progress claims and retentions: the difference between a security deposit and a part payment, cash vs accruals timing, refunded and forfeited deposits, and what to show on the invoice.

Read the guide
Bad debts and GST: getting the GST back on an invoice that was never paid

What Australian sole traders can do about GST on unpaid invoices: why cash-basis businesses have nothing to adjust, the bad-debt adjustment for accruals-basis businesses, the 12-month overdue rule, the buyer’s side, and the income tax deduction.

Read the guide

Tax and deductions

Sole trader tax rates for 2026-27: how your business income is taxed

How Australian sole traders are taxed in 2026-27: individual marginal rates on business profit, the $18,200 tax-free threshold, Medicare levy, PAYG instalments and how to estimate what you will owe.

Read the guide
Sole trader tax deductions: what you can claim and what you cannot

The deductions Australian sole traders can claim, the three rules the ATO applies, common expenses by category, what is never deductible, and how to apportion mixed-use costs.

Read the guide
Home office deductions for sole traders: fixed rate vs actual cost

How Australian sole traders claim home office costs: the ATO fixed rate per hour method, the actual cost method, what records you need, and when occupancy costs like rent can be claimed.

Read the guide
Motor vehicle deductions: cents per km vs the logbook method

How Australian sole traders claim car expenses: the cents-per-kilometre method (88 cents for 2025-26, capped at 5,000 km), the 12-week logbook method, what counts as business travel, utes over one tonne, and the GST side.

Read the guide
Instant asset write-off for sole traders: how it works and what to check

How the instant asset write-off works for Australian sole traders: the per-asset threshold, the small business test, business-use percentage, the car limit, timing before 30 June, and what happens above the threshold.

Read the guide
Super contributions for sole traders: why, how much and how to claim

How super works when you are self-employed in Australia: no compulsory super for yourself, the 12% super guarantee if you have employees, personal deductible contributions, the concessional cap, the notice of intent form and the 30 June deadline.

Read the guide
Private use and business percentage: how to apportion mixed expenses

How Australian sole traders split expenses with both business and private use: cars, phones, laptops, internet, home costs and subscriptions. Reasonable methods, the records the ATO expects, how the percentage flows into GST credits, and the traps.

Read the guide
Phone and internet deductions for sole traders: what you can claim

How Australian sole traders claim mobile, landline and internet costs: the four-week usage record, bundled plans, handsets, a phone used only for business, the interaction with the working-from-home fixed rate, and GST credits.

Read the guide
Tools and equipment deductions for tradies: write-off, depreciation and GST

How Australian tradies claim tools and equipment: the instant asset write-off, depreciation for items over the threshold, repairs and consumables, tool insurance, stolen and sold tools, private use, GST credits on the BAS, and the records to keep.

Read the guide
Uniforms and protective clothing deductions: what sole traders can claim

Which clothing Australian sole traders can deduct: protective clothing and footwear, occupation-specific clothing, branded uniforms, sun protection, laundry and dry cleaning, and why conventional clothing is not deductible even if you only wear it for work.

Read the guide
Self-education deductions for sole traders: courses, certifications and conferences

When Australian sole traders can deduct courses, certifications, conferences and training: the connection test to your current business, what is included (fees, books, travel, equipment), what is excluded, HELP loans, the removed $250 threshold and the records to keep.

Read the guide
Travel and accommodation deductions for sole traders

What Australian sole traders can claim for business travel: flights, accommodation, meals and incidentals when away overnight, local travel between clients, the travel diary rule for six or more nights, mixed business and holiday trips, family members, and GST on travel.

Read the guide
Working from home at 70 cents an hour: the fixed rate method explained

How the ATO fixed rate method works for Australian sole traders: 70 cents per hour for 2024-25 and 2025-26, what the rate covers, what you can still claim on top, the hours record you must keep, a worked example, and when the actual cost method is better.

Read the guide
The logbook method for car expenses: how to keep one and what you can claim

How Australian sole traders use the logbook method for car expenses: the 12-week logbook, what to record, the five-year validity, which costs are claimed at the business percentage (fuel, rego, insurance, servicing, depreciation, interest), the car limit, and logbook vs cents per kilometre.

Read the guide
Buying a car for your business as a sole trader: tax, GST and finance

What Australian sole traders need to know before buying a business vehicle: car vs ute rules, the ATO car limit for depreciation and GST, the instant asset write-off, luxury car tax, chattel mortgage vs lease, second-hand cars and GST, trade-ins, and the logbook you will need.

Read the guide

Running your business

How to invoice as a sole trader in Australia

What to put on a sole trader invoice, the difference between an invoice and a tax invoice, payment terms that get you paid, the 47% no-ABN rule, numbering, deposits and recurring invoices.

Read the guide
Chasing late invoices: a follow-up plan that works

A step-by-step plan for Australian sole traders to chase overdue invoices: prevention, the reminder ladder from day one to day 30, late fees, letters of demand, small claims tribunals, debt collectors and bad debts.

Read the guide
ABN vs ACN: what the difference is and which one you need

The difference between an Australian Business Number and an Australian Company Number, who issues each, how they relate, what a sole trader needs, and how to check either online.

Read the guide
Sole trader vs company: tax, liability, cost and when to switch

A plain comparison of operating as a sole trader or a company in Australia: how each is taxed, personal liability, setup and running costs, admin, super and the signs that it is time to consider switching.

Read the guide
How to pay yourself as a sole trader

How sole traders take money out of the business: drawings not wages, why tax is on profit rather than what you draw, setting a regular amount, separating accounts and putting tax aside first.

Read the guide
Setting aside money for tax as a sole trader

A simple system for Australian sole traders to put money aside for GST and income tax: the one-eleventh rule, a percentage of profit, separate accounts, a worked example and what to do if you are already behind.

Read the guide
Delivery driver tax in Australia: DoorDash, Uber Eats, Menulog and the rest

Tax for Australian food and parcel delivery drivers on DoorDash, Uber Eats, Menulog, Amazon Flex and similar platforms: ABN, whether you need GST, what income to declare, car, bike and scooter deductions, what the platforms report to the ATO, and how much to set aside.

Read the guide
Airtasker and hipages tax obligations: what taskers and tradies need to know

Tax for Australians earning through Airtasker, hipages, Oneflare and similar job platforms: ABN, declaring gross task income, platform fees and lead subscriptions as deductions, GST at $75,000, platform reporting to the ATO, insurance, tools and travel.

Read the guide
Side hustle tax in Australia: what to declare, claim and set aside

How tax works on a side hustle alongside a job in Australia: why all income is assessable, how it is taxed at your marginal rate, ABN and GST rules, deductions, the non-commercial loss rules, PAYG instalments and how much to set aside.

Read the guide
Hobby vs business: how the ATO decides, and why it matters

How the ATO distinguishes a hobby from a business in Australia: the indicators it uses, what changes for tax, ABN and GST when a hobby becomes a business, the statement by a supplier form, and worked examples for makers, sellers, creators and weekend workers.

Read the guide
Do I need an ABN? When sole traders must have one and how to get it

Who needs an Australian Business Number, who is entitled to one, what happens if you invoice without one (47% withholding), how to apply for free through the ABR, what an ABN lets you do, and the difference between an ABN, a TFN and a business name.

Read the guide
Hnry vs Xero for sole traders: a fair comparison

Hnry and Xero compared for Australian sole traders: a pay-as-you-earn tax service that lodges for you versus full accounting software, on price, how your money flows, invoicing, expenses, GST and BAS, tax returns, and who each suits.

Read the guide
Hnry vs MYOB for sole traders: a fair comparison

Hnry and MYOB compared for Australian sole traders: a pay-as-you-earn tax service versus MYOB Solo and MYOB Business accounting software, on price, money flow, invoicing, expenses, GST and BAS, tax returns and who each suits.

Read the guide
Xero vs MYOB for sole traders: a fair comparison

Xero and MYOB compared for Australian sole traders: entry-level plans and pricing, bank feeds and categorisation, invoicing, GST and BAS lodgement, reporting, accountant support, ease of use, and which suits a one-person business.

Read the guide
Hnry vs Rounded for sole traders: a fair comparison

Hnry and Rounded compared for Australian freelancers and sole traders: a pay-as-you-earn tax service that lodges for you versus Australian invoicing-and-expenses software, on price, money flow, invoicing, expenses, GST and BAS, tax returns and who each suits.

Read the guide

Records and deadlines

ATO record keeping requirements for sole traders

What records Australian sole traders must keep, for how long, in what format, the $82.50 tax invoice rule, records for assets and vehicles, and how to keep it all without a filing cabinet.

Read the guide
How to export a bank statement as CSV from CBA, Westpac, NAB, ANZ, Macquarie, Bendigo, ING and Up

Step-by-step instructions for downloading your transactions as a CSV or PDF from the major Australian banks, so you can upload them to bookkeeping software without sharing your bank login.

Read the guide
TPAR: the Taxable Payments Annual Report explained

What the Taxable Payments Annual Report is, which industries must lodge (building and construction, cleaning, courier and road freight, IT, security), the 10% test, what to report for each contractor, the 28 August deadline and how to lodge.

Read the guide
End of financial year checklist for sole traders

What to do before and after 30 June as an Australian sole trader: reconcile, chase invoices, time purchases, super contributions, stocktake, bad debts, home office and vehicle records, and the lodgement dates that follow.

Read the guide
Invoice numbering and records: a simple system that survives an ATO review

How Australian sole traders should number invoices, what to keep for each one, how long to keep it, how to handle cancelled and credited invoices, quotes vs invoices, and a filing system that makes every invoice findable in seconds.

Read the guide
Sole trader bookkeeping basics: the six habits that keep you out of trouble

The minimum bookkeeping an Australian sole trader needs: a separate bank account, categorising every transaction, keeping receipts, tracking GST if registered, reconciling to the statement, and setting money aside. What to do, how often, and what software changes.

Read the guide
How often to do your bookkeeping: a weekly, monthly and quarterly rhythm for sole traders

A realistic bookkeeping schedule for Australian sole traders: what to do weekly, monthly, quarterly and at year end, how long each takes, why monthly is the minimum, and how to catch up if you are behind.

Read the guide
What to give your accountant at tax time: the sole trader checklist

The complete list of what an Australian sole trader should hand to their accountant for the annual tax return: income and expense summaries, bank statements, asset purchases, vehicle and home office records, super, PAYG instalments, BAS copies, other income and personal details.

Read the guide
By industry
FlowFi for tradies, cleaners, creatives, contractors and more
How to
Lodge your BAS with FlowFi and ATO Online
Free tools
Tax, GST, BAS date and hourly rate calculators

Reading is free. So is the first 14 days.

Upload one bank statement and see your transactions categorised, GST worked out and BAS labels ready in minutes.

Start 14-day free trial

14 days of Pro free. No credit card. Then $29 a month or $290 a year.