GST Calculator Australia for Sole Traders

SmartBas Solutions is a GST calculator and BAS app for Australian sole traders and tradies.

Know Exactly What You Owe the ATO — Before It’s Due

No accountant. No spreadsheets. Built for Australian tradies and sole traders.

✔ No accountant needed ✔ Track your income ✔ See GST instantly

Example:
Sales $7,800 → GST Collected $780
Expenses $2,000 → GST Paid $200
You owe the ATO: $580

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