Halliwells was established in Hāwera in 1896 by Herbert Halliwell.

The practice continues to operate with its main office in the historic building at 87 Regent Street, Hāwera, which was completed in 1903.

There have only been 15 partners in the firm’s nearly 130-year history. Two of the firm’s former partners have gone on join the independent bar as Kings Counsel and subsequently take up judicial roles including appointments to the Court of Appeal and Privy Council.