"There is nothing at all unusual about that," he said, noting a number of leading New Zealand companies were dual listed.
Today English said Australia was New Zealand's largest trading partner, taking nearly a quarter of our total exports, and its economy was vitally important to New Zealand.
"I have noted an increased interest in New Zealand and its economy among Australian businesses," he said.
"They are particularly interested in our approach to helping give businesses here the confidence to invest, grow and employ more people, as the basis for building a more competitive and productive economy.
"Therefore, I'm keen to continue my positive dialogue with them."
English will speak to a chief executives' forum in Melbourne today and will speak to a similar audience in Sydney tomorrow.