In short, this article is here to help you understand the process and to complete your business registration online.
Taxed at personal income rates.
Unless you intend to trade under your own name, you will need to register a Business Name.
Many companies have the same trading name as the business but without the Pty Ltd so the company will need to register and maintain a Business Name.
To register a Domain Name, click here to perform a search and then setup an account and register. Your domains are Intellectual Property you don't want too lose so protect your username and password. You should also set your domain to auto renewal with a credit card. This avoids the domain been snapped up by others if you don't renew in time. Also Lock the domain. This means that your domain can not be transferred without unlocking the domain first.