Businesses

Follow our simple checklist and make sure you are prepared for this year's tax business return.

The Australian Business Number (ABN) is a single identifier for all business dealings with the tax office and for dealings with other government departments and agencies.

ABN Lookup is the public view of the Australian Business Register (ABR). It provides access to publicly available information supplied by businesses when they register for an Australian Business Number (ABN). ABN Lookup will continue to display trading names for a further five years until 31 October 2023.

Search company and other registers and check name availability.

Are you new to business? To help you get started, the Australian Government has developed a 'Starting Your Own Business Checklist', covering many of the basic issues you need to consider.

You can claim a deduction for most expenses you incur in running your business as long as they are directly related to earning your assessable income.

Important dates for your business.

Learn how to properly manage your invoices, payments, and records.

If you are an employer or another withholding payer, the tax withheld calculator helps you work out the tax you need to withhold from payments you make to employees and other workers.

A wide range of calculators for businesses regarding tax.