Penson Financial Services Australia (PFSA) will provide equities clearing services to Euroz Securities for three years.
This is the sixth client signed up with PFSA. The business was established five months ago by its global parent company Penson Worldwide.
The firm's clients include Austock and independent stockbroking firm D.J. Carmichael.
Euroz Securities is a brokerage firm located in Perth and provides services to institutional, corporate and high net worth individuals.
Over the last 10 years, Euroz Securities has been involved in more than 160 corporate transactions worth $5 billion.
"Our independent, third-party clearing model continues to gain momentum," PFSA Craig Mason said.
"We are being recognized as a viable alternative in Australia, particularly among mid-tier full service brokerage firms."