A website that has some very helpful information on forming a Pty Ltd Company to trade under, here in Australia.

How to register a company

Step 1: Decide on your business structure
Step 2: Choose a company name
Step 3: Determine if you will operate under replaceable rules or a constitution or a combination of both
Step 4: Obtain consents - member(s), director(s) and secretary(secretaries)
Step 5: Complete and lodge the application form
Step 6 (optional): Get a commemorative record of registration
Step 7: Get to know your legal obligations


http://www.asic.gov.au/asic/asic_infoco.ns...ss?openDocument


You will also find these questions answered:

Legal obligations of a company

What does the law require directors and secretaries of small companies to do?

What changes or information must be notified to ASIC?

What books and records should my company keep?

What is the minimum number of officeholders required for a company?

What happens to me as a director, alternate director or secretary if I am bankrupt or subject to a personal insolvency agreement under Part X of the Bankruptcy Act 1966?

here: http://www.asic.gov.au/asic/asic_infoco.ns...ny?openDocument