Ports of Auckland lifted annual net profit just over 1%, but trading profit jumped nearly 23% as trade volumes rose after a protracted industrial dispute.
Net profit for the year to the end of June rose to $50 million from $49.3 million in the previous year - the earlier result was boosted by a $60 million revaluation of the port's land and buildings.
Revenue rose 5.1 per cent to $186.6 million and trading profit before tax rose to $44.4 million from $36.2 million.
Chief executive Tony Gibson said the result came from restructuring the business and becoming more customer focused.
Productivity had also increased and the ship rate, or the number of boxes moved per hour, has gone up 19% year-on-year.
"We're happy with those developments and that's process improvement but also having the right people and leaders in place to actually deliver."
Mr Gibson said the port has still not signed a collective agreement with the unions.
AAP reports the port lifted its dividend payment to Auckland Council by 47% to $29.5 million.
Ports of Auckland lost its status as New Zealand's largest container port to Port of Tauranga last year, but Mr Gibson said he's more focused on improving his own company's bottom line and ultimately achieving the 12% return the Auckland council wants.
Port of Tauranga's full year net profit jumped 52% to $112 million.