"Ziwi has spent the past three years working with parties in evaluating a number of potential locations in the Tauranga region but has been unsuccessful in finding a site of sufficient size, and with the necessary infrastructure available in meeting the timeframe required."
Work on the new kitchen is expected to start in August, with a completion date in September or October 2021.
The company's three Tauranga sites will continue to operate until late 2021, when production from these sites shifts to Napier and the three Tauranga sites will close.
All employees at the Tauranga sites will be offered jobs at the new Napier kitchen.
Ziwi's processing kitchen in Christchurch and Auckland-based sales team will be unaffected.
"We realise that a transition of this nature will create some uncertainty for the Ziwi family and the wellbeing of our people remains of paramount importance," Lawrence said.
The managing director said the company's ambition is to double its annual revenue from its current base over the next 3-5 years, and the new Napier kitchen will be fundamental to achieving this goal.