Google Apps for Work are currently offering a free trial.
Here are three reasons to give it a try:
1) You can get customised email and more with Gmail for work.
2) It helps employees get things done while collaborating more quickly and efficiently.
3) Millions of businesses, large and small, have already made the switch.
After the free trial, get all these tools in the Google Apps suite for AUD$5/user/month.
We use Google Apps for work in our business and I personally recommend it to you.