Banks in New Zealand

ANZ Bank New Zealand – A registered bank supervised by the Reserve Bank of New Zealand, first registered on April 1, 1987. As of September 30, 2016, the company had total assets of NZ$161 billion.

ASB Bank – One of the leading commercial banks in New Zealand. It offers various personal and business banking products through over 125 branches. The company was named The New Zealand Bank of the Year by The Banker Magazine. ASB is a subsidiary of Commonwealth Bank of Australia.

Bank of Baroda (New Zealand) – A wholly owned subsidiary of Bank of Baroda, India’s International Bank. It was incorporated in May 2007 and was the first Indian bank to foray into New Zealand.

Bank of New Zealand (BNZ) – A registered bank supervised by the Reserve Bank of New Zealand, first registered on April 1, 1987. It operates as a subsidiary of National Australia Bank.

Citibank New Zealand Branch provides a full range of corporate and investment banking services. Citi has been operating in New Zealand since 1974.

Deutsche Bank NZ went out of business. It provided a full range of products and services to corporate and institutional clients in New Zealand.

HBS Bank (formerly Hastings Building Society) provided banking and financial services in Hastings, Napier and Havelock, serving the Hawke's Bay region. It does not appear on the Reserve Bank of New Zealand's register of registered banks, and its former website address, hbsbank.co.nz, has not been in service since at least 2018 and no longer resolves.

Heartland Bank (formerly Heartland Building Society) offers products and services for the household, business and rural sectors. Since a corporate restructure completed on October 31, 2018, it has been a wholly owned subsidiary of Heartland Group Holdings Limited, which is listed on the NZX and ASX under the code HGH; Heartland Bank Limited is no longer separately listed and has no market capitalization of its own. On June 2, 2026, Heartland Group Holdings announced a conditional agreement to buy TSB Bank from Toi Foundation and merge it with Heartland Bank; the merged bank would be called TSB Heartland Bank. The transaction remains subject to Heartland shareholder and regulatory approvals.

Kiwibank – New Zealand's largest domestically owned bank, registered with the Reserve Bank of New Zealand on November 29, 2001. Its parent company, Kiwi Group Capital Limited, is a government-owned group that also includes New Zealand Home Loans; the New Zealand Government acquired 100 percent of the holding company from NZ Post, ACC and the New Zealand Superannuation Fund in 2022.

National Bank of New Zealand (NBNZ) was one of the largest banks in the country. NBNZ was acquired by ANZ Group in 2003, for A$4.9 billion, and was subsequently merged into ANZ's New Zealand operations. The National Bank brand was retired and the registered entity, which had traded as ANZ National Bank Limited from 2004, was renamed ANZ Bank New Zealand Limited with effect from October 29, 2012.

Rabobank New Zealand – A part of international Rabobank Group, Netherlands. It is currently the third largest lender to primary producers in New Zealand and the second largest in Australia.

Reserve Bank of New Zealand (RBNZ) – New Zealand's central bank. RBNZ's primary function is to provide "stability in the general level of prices".

SBS Bank (Southland Building Society) – A member-owned bank headquartered in Invercargill.

The Co-operative Bank – A member-owned financial organization with nearly 150,000 customers.

TSB Bank – A nationwide bank based in New Plymouth. Its owner and sole shareholder is Toi Foundation, known as TSB Community Trust until it was renamed in 2021. In a media release dated August 27, 2026, the foundation's trustees said they had decided to proceed with the proposed sale of the foundation's TSB shares to Heartland Group Holdings, to enable a proposed merger of TSB with Heartland Bank; the transaction remains subject to regulatory and shareholder approvals.

Westpac New Zealand – The second largest bank in New Zealand, with over 1.2 million customers, 3,000 shareholders, 200 branches and over 500 ATMs nationwide.

Credit Ratings of New Zealand's Banks

Ratings as of February 2017

Bank names in the table above have since changed. The Bank of Tokyo-Mitsubishi UFJ was renamed MUFG Bank, Ltd. with effect from April 1, 2018 and operates in New Zealand as a branch of an overseas-incorporated bank. Kookmin Bank no longer appears on the Reserve Bank of New Zealand's register of registered banks, which listed 26 registered banks as last updated August 24, 2026.