Liquidators said this third party had provided insufficient evidence to establish ownership, and am application had been made to the High Court in Auckland to resolve the dispute.
McCullagh and Lawrence said a review of the company's books had found long-running problems.
"In our view the Company has been insolvent since at least 1 April 2013. We have established that during the past four years prior to liquidation the Company has been incurring significant losses," liquidators said.
"We believe that these losses were due to inefficient business arrangements, insufficient profit margins, speculative foreign exchange trading and payment of business expenses."
The reports notes 96 unsecured creditors were claiming $12.8m, but with the poor state of the company's finances they did "not anticipate there will be sufficient funds recovered to make a distribution of significant value".
A large number of Forex Brokers were importers - particularly motor-vehicle traders - who relied on the company to pay overseas suppliers. The collapse left many hundreds of thousands of dollars short.