Numberz — Accounting, Tax & Virtual CFO
Sole Trader BAS Return

Lodge Your
BAS Return Online
in Minutes

Fast online BAS return lodgement for sole traders and small businesses with IPA-verified accuracy and instant ATO submission — all from your phone or laptop. Starts from $88 inc GST, with final pricing based on scope and complexity.

Numberz Online BAS Return Dashboard
Certified Compliant

Australian Standards

IPA Practice Qualified
IPA-Reviewed Returns
256-bit AES Encryption
Lodged in Under 15 Minutes
Pricing

Starts from $88 inc GST

Simple BAS returns have a clear starting price. More complex, late, or reconciliation-heavy work is scoped before you pay.

Small Business & Sole Trader

Perfect forSole Traders & Small Businesses

From$88/ return
Start your BAS return

Starting price inc GST. Late lodgement, multi-period BAS, and complex reconciliations may require schedule pricing. View pricing

Includes

  • Quarterly BASIncluded
  • GST CalculationIncluded
  • PAYG WithholdingIncluded
  • PAYG InstalmentsIncluded
  • Fuel Tax CreditsIncluded
  • Complex Reconciliations+ surcharge
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BAS Return Overview

The Annual Declaration
for the Australian Worker.

Turn your complex financial data into a precise, ATO-compliant return detailing the income, deductions, and tax offsets you need to maximise your position.

Maximum Refund Accuracy

Unlock insight into your exact tax position. The ATO uses this declaration to precisely calculate whether you are owed a refund or have a tax liability.

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Numberz AI

Here's your tax breakdown for the year:

↑ $4.2kEstimated
Refund
↑ 100%ATO
Compliant
+ 1IPA
Review

All Income Types

Income reporting that's human-led, AI assisted, and driven by advanced tax logic for every Australian worker.

EmployeesSalary & WagesInvestorsContractorsSole Traders
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Numberz AI

How do you expect your income sources to change over the next 6 months?

Crucial Deadlines

Upgrade your timeline. Missing lodgement deadlines can result in ATO penalties, interest, and delayed BAS refund or credit outcomes.

ATO
@ATOReminderNow

Ensure your financial records are ready; the tax year ends strictly on 30 June.

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Lodgement timeline

Standard Deadline — 31 Oct

Numberz Clients — 15 May

Supported BAS Lodgement Types

From simple sole trader GST reporting to complex GST, PAYG, and FTC reconciliations. We ensure every detail is compliant with current tax regulations.

GST (Goods and Services Tax)

Calculate and report collected GST and claim back GST paid on business expenses. Reconciled with your bank feeds.

ATO Prefill

PAYG Withholding

Report tax withheld from employee wages and contractors seamlessly synced with Single Touch Payroll (STP).

ATO Prefill

PAYG Instalments

Manage pre-paid income tax towards your expected end-of-year tax liability accurately.

Fuel Tax Credits

Claim credits for the fuel tax included in fuel used for your business operations securely.

Why Numberz

Why Lodge with Numberz?

We combine AI automation with qualified human oversight to deliver a BAS return experience that is fast, accurate, and fully compliant.

  • BAS Position Reviewed

    We reconcile GST, PAYG, and activity statement details before lodgement so refunds, credits, and liabilities are handled carefully.

  • IPA-Reviewed Accuracy

    Every return is reviewed by an IPA Practice Qualified accountant before lodgement — no exceptions.

  • Professional Lodgement

    We manage the lodgement process with the ATO on your behalf, ensuring everything is filed correctly.

  • Bank-Grade Security

    AES-256 encrypted storage for sensitive data and documents, HTTPS/TLS transmission, and no sensitive data stored on local devices. Learn more.

  • Efficient Process

    Our digital platform removes the need for in-person appointments and long wait times.

  • Starting Price — Scoped Clearly

    BAS returns start from $88 inc GST. If catch-up, multi-period, or reconciliation-heavy work is needed, we confirm the scope before you pay.

Free Tax Tools & Resources

Estimate your tax, calculate your take-home pay, and stay informed with our free Australian tax resources.

Australian Tax Calculator

Calculate your income tax, Medicare levy, and take-home pay for FY 2024–25 and 2025–26 including Stage 3 tax cuts.

Use Tax Calculator

Payroll Calculator

Estimate your gross-to-net pay, PAYG withholding, superannuation, and overtime rates across multiple pay frequencies.

Calculate Pay & Super

Tax Brackets Guide 2025–26

Understand the current Australian tax brackets, the 12% Super Guarantee, and how the Stage 3 tax cuts affect you.

View Tax Rates
FAQs

Common Questions

Ready to Lodge?
Fast. Easy. Maximum Refund.

Join thousands of Australians who lodge faster, claim more, and pay less with Numberz. Start your return in under 5 minutes.

Numberz BAS Return Dashboard
Registered Tax Agent

"Fastest refund I've ever received. The pre-fill feature saved me hours."