Over 500 people have already lined up to sue those involved in the Harris Scarfe debacle.

Peter Humphries, a partner with Adelaide-based law firm Duncan Basheer Hannon, a database will be developed of all those interested in suing over the collapse of the retail chain.

As the reasons for the financial collapse become more apparent, a decision will be made about whether suing the directors, company employees or its auditors is the most appropriate course of action, he said.