Liquidators are working to identify assets to pay secured creditors including Westpac Bank and 17 suppliers.
CCMR Ponsonby Post Office Limited owes Westpac Bank $61,312 and employees an estimated $30,000.
Unsecured creditors such as trade creditors, shareholder loans and Bank of New Zealand are owed a combined $573,064.
"During the course of the liquidation we expect to receive claims from creditors and we are currently dealing with secured claims at the moment," Booth said.
"We don't know how much we're going to realise the assets."
August Bistro is listed for sale on ABC Business Sales and with Bayleys for $600,000, and is said to make sales in excess of $3 million each year.