No immediate plans to make an offer for the company.

The contract ends in the next few months and it "will have a negative impact on the company's earnings for the second half of the December 2013 year and beyond."

The auction company says it is holding off making a special return while it looks at "growth opportunities".

Solid trading in the last three months will boost net profit after tax to about $4.2m.

Two of four cars fail to sell under the hammer.

Net profit for the six months ended June 30 rises to $1.94 million from $1.63 million in the same six months last year. Sales are up 6% to $37.1 million.