Australian Business Tools

Your business,
made clearer.

Look up any ABN, get plain-English advice on the right business structure, and estimate your GST and BAS obligations. Free, no sign-up.

🔍 Live ABN Lookup 🏗️ Structure Advice 📊 GST & BAS Calculator 🇦🇺 Australian law & ATO rules

ABN Lookup

Search any Australian Business Number to check entity details, GST registration, and business status. Or search by business name.

Search by ABN or Business Name
ABN
ACN
Entity type
ABN status
GST registration
Main location
Data sourced from the Australian Business Register (ABR). For official searches visit abn.business.gov.au.

Structure Advisor

Answer five quick questions and get plain-English advice on whether sole trader, company, trust, or partnership makes most sense for your situation.

Your Business Situation

GST & BAS Estimator

Estimate your GST liability and what to expect on your next BAS. Based on ATO rules for small business.

Reporting Period
Sales & Income
$
$
Fresh food, medical, exports, education
Business Expenses
$
$
Wages, bank charges, insurance, rent, etc.
GST Collected
$0
From your taxable sales
GST Credits
$0
Input tax credits claimed
Net BAS Amount
$0
–
Revenue excl. GST
Expenses excl. GST
Net profit estimate
GST registration
Estimate only. Your actual BAS may differ based on your specific mix of supplies, PAYG instalments, or FBT. Always confirm with your accountant or ATO-registered software.