Hello,
I have just recently claimed for Australian capital investment.
If you are applying for a Skilled
PR Visa (Skilled independent 136 for example) you will find a list of appropriate investment companies in Booklet 6 (get from dimia website).
Basically every state has a recommended investment agency, but you don't have to live in the state you invest.
I invested with the South Australian Financing Authority because it was incredibly easy by following the instructions on their website. Just fill in 2 simple forms (one from SAFA and one from Dimia), one phonecall to SAFA and then transfer the money (I got an excellent rate with my bank (Barclays). With Barclays you can guaranee your exchange rate because the transfer is over £25000 as the process can take some time (up to 7 days). No, I don't work for Barclays it was just the first time they have ever done anything positive for me!!
The SAFA link is:
http://www.safa.sa.gov.au/homepage.html
Regards Steve.