Westpac New Zealand

Westpac New Zealand

Westpac NZ's head office, Takutai Square in Auckland
Company type	Subsidiary
Traded as	NZX: WBC
Industry	Financial services
Predecessor	Bank of New South Wales, Trust Bank (New Zealand)
Founded	1861 (1861) (as the Bank of New South Wales)
Headquarters	Auckland , New Zealand
Area served	New Zealand
Key people	Catherine McGrath (CEO), Pip Greenwood (Chair)
Products	Finance and insurance, Retail banking, corporate banking, private banking, mortgages, credit cards, loans
Number of employees	5,500 (2023[1])
Parent	Westpac Banking Corporation
Rating	AA- (S&P; as of November 2024)
Website	www.westpac.co.nz

Westpac New Zealand, known simply as Westpac, is a New Zealand bank that is a subsidiary of the Australian Westpac Banking Corporation. The bank is one of New Zealand's big four banks. It operates under the same brand as its parent but is operationally separated as required by the New Zealand banking regulator the Reserve Bank of New Zealand.

It provides retail banking and commercial banking services across New Zealand and operates 196 branches and 500 ATMs. It provides retail, business, agribusiness and institutional banking services. With KiwiSaver and wealth management provided by its subsidiary BTNZ. In addition to individuals and companies the bank provides banking services to the New Zealand Government.^[2] As of June 2022, it is the third largest bank in New Zealand, with a market share of 19%.^[3]

The bank was established as the Australian Bank of New South Wales and opened its first branches in New Zealand in the 1860s to service the Otago gold rush. The bank of New South Wales acquired the Commercial Bank of Australia in 1981 before being renamed to Westpac Banking Corporation in 1982. Its name is a portmanteau of "Western" and "Pacific". In 1996 it acquired the Trust Bank, significantly expanding its New Zealand operations.