OSTA ADVISORY
Independent advice on the property decisions that matter most to your organisation.
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PRACTICE
Housing & Investment
Property is central to what you do
Know if the numbers work, and what it takes to get them there.
Independent commercial advice for community housing providers, government, developers and family groups making decisions about growth, development and investment.
Feasibility · Capital · Growth · Investment · Development
PRACTICE
Non-Core Property Strategy
Property helps you do something else
Know what to do with property that isn’t your business.
Independent advice for government, not-for-profits and corporates on the property decisions that don’t come up every day — acquisitions, disposals, leasing, surplus assets and portfolio strategy.
Strategy · Transactions · Options · Asset strategy · Portfolios
WHY OSTA
Advisory, investments and governance.
Three vantage points
Significant experience advising government and institutional clients at PwC and JLL, years accountable for investment outcomes as a principal at Stockland and Assemble, and a current board seat at an organisation that buys advice like this.
The numbers hold up
Fifteen years across valuation, investment and advisory means the financial analysis is grounded in how assets actually perform, not simply how they look in a spreadsheet. Commercial advice we stand behind.
Senior experience, always
The person you meet is the person owning the work. Every engagement has a named senior owner who is accountable for the analysis and the advice, not just the relationship.

YOUR ADVISOR
Robert Zeidaks
Robert brings fifteen years across property advisory, valuation, acquisitions and investment management, including PwC, JLL, Stockland and Assemble. He has advised government and institutional clients, led major property investments as a principal, and now advises organisations directly through Osta Advisory.
Master of Property, University of Melbourne · Australian Institute of Company Directors
Talk it through.
A thirty-minute conversation about the decision in front of you with no obligation.
Book a call
or email rob@ostaadvisory.com.au
Osta Advisory.
Property decisions your board can back.
PRACTICES
Housing & Investment
Non-Core Property Strategy
FIRM
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Contact
CONNECT
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rob@ostaadvisory.com.au
0438 506 552
Osta Advisory 2026