The Co-operative Bank Limited (or Co-op Bank) was established in 1928 and is headquartered in Wellington, New Zealand.

It provides a broad array of financial products and services through over 30 locations across the country. It offers personal and small business accounts, term deposits, Fisher Funds' KiwiSaver products, personal loans, home loans, vehicle loans, debt consolidation loans, online banking as well as life and health insurance, home insurance, vehicle insurance, travel insurance, contents insurance, loan protection insurance and loan repayment insurance. The company was formerly known as PSIS (Public Service Investment Society) and changed its name to The Co-operative Bank on 26 October 2011. PSIS Life and PSIS PIE Term Fund also changed their names to Co-operative Life and Co-operative PIE Term Fund. The Co-operative Bank serves 147,000 customer-shareholders and employs over 500 people. In 2016, Co-operative Bank won Canstar Blue Most Satisfied Customers Award for the third time. As of March 31, 2016, it had total assets of NZD 2.041 billion, deposits of NZD 1.79 billion and total loans of NZD 1.803 billion including NZD 1.671 billion in residential mortgage loans.

Co-op Bank subsidiaries:
Co-operative Life Limited (Co-op Life)
PSIS Warehouse Trust (Warehouse Trust)
PSIS RMBS Trust 2010-1 (Bond Trust)
Co-operative Bank RMBS Trust (Co-op RMBS Trust)
PSIS Limited

Head office address:
20–26 Ballance Street
Wellington, New Zealand
Free phone: 0800 554 554
Overseas call: +64 4 463 1758
Website: www.co-operativebank.co.nz

Co-operative Bank branches:

Whangarei
Corner of Vine and Bank Sts

Queen Street
109 Queen Street

Botany
Botany Town Centre, 588 Chapel Road, East Tamaki

Newmarket
312-330 Broadway, Newmarket

Henderson
360 Great North Road

Manukau
Unit 1/11, Ronwood Avenue

Onehunga
155 Onehunga Mall

Otahuhu
21 Hall Avenue

Papakura
Shop 1, 138 Great South Road

Tauranga
62 Grey Street, Tauranga

Hamilton
Shop 2, 36 Bryce Street

Rotorua
Cnr Eruera and Amohia Streets

Taupo
21 Horomatangi Street

Gisborne
82 Gladstone Road

New Plymouth
107 Devon Street East

Napier
114 Hastings Street

Hastings
124 Market Street North

Wanganui
127 Victoria Avenue

Palmerston North
85 The Square

Levin
171 Oxford Street

Upper Hutt
151 Main Street

Lower Hutt
Shop 167, Ground Floor, Westfield Queensgate
Cnr Queens Drive and Bunny Street

Paraparaumu
Coastlands Shopping Centre, Rimu Road, Paraparaumu

Porirua
Jellicoe Street, Porirua

Wellington
190 Lambton Quay

Nelson
28 Bridge Street

Blenheim
10 Queen Street

The Palms
The Palms Shopping Centre, 11 New Brighton Road

Papanui
19 Main North road

Riccarton
107 Riccarton Road

Timaru
295 Stafford Street

Dunedin
305 George Street

Invercargill
Cnr Kelvin and Spey Streets