The Bank of New Zealand is in negotiations with Datacom, and the Ministry of Education is moving to Unisys.

BNZ chief operating officer Stephen Mockett says the bank currently uses IBM's Newton datacentre to house its New Zealand-based production IT equipment.

"IBM has advised this facility is closing in the near future and, as such, BNZ will be required to locate its equipment to another facility," he says.

The bank has two IBM Z series mainframes.

"BNZ has assessed the various options across several suppliers, and has identified the Datacom site at Orbit Drive (Albany) as its preferred option.