Woolworth's has bought Ezibuy for $350 million.
Woolworth's is the parent company of New Zealand's Progressive Enterprises which operates the Countdown supermarket chain.
EziBuy is a retailer of apparel and homewares in both New Zealand and Australia, operating primarily online and through catalogues and contact centres.
Currently 68% of EziBuy's sales are to the Australian market.
The deal is subject to Overseas Investment Office approval.