The Nigerien Banking Company ( SONIBANK ) is a Nigerien commercial bank . SONIBANK is a commercial bank which, in addition to the banking products and services it offers, offers an online counter on the Internet and magnetic cards (BUKATA and ASUSU) for ATM transactions. It has a network of 13 agencies, including 7 in [Niamey], and 6 agencies in the interior of the country (Arlit, Agadez, Tahoua, Maradi, Dosso and Zinder) to better satisfy its customers. And a branch in Benion.

Access Bank plc, commonly known as Access Bank, is a Nigerian multinational commercial bank, owned by Access Bank Group. It is licensed by the Central Bank of Nigeria, the national banking regulator.The bank received its license from the Central Bank of Nigeria in 1989, and listed on the Nigerian Stock Exchange in 1998. 2002: Access Bank was taken over by a core of new management led by Aigboje Aig-Imoukhuede and Herbert Wigwe. 2005: Access Bank acquired Marina Bank and Capital Bank (formerly commercial bank Crédit Lyonnais Nigeria) by merger. 2007: Access Bank established a subsidiary in Banjul, The Gambia. This bank now has a head office and four branches, and the bank has pledged to open another four branches.

Keystone Bank Limited, commonly referred to as Osy's Bank, is a commercial bank in Nigeria. The bank is one of the commercial banks licensed by the Central Bank of Nigeria, the national banking regulator.On Friday 5 August 2011, Keystone Bank Limited was issued a commercial banking license by the Central Bank of Nigeria (CBN). On the same day, CBN revoked the banking license of Bank PHB. Keystone Bank assumed the assets and some liabilities of the now defunct Bank PHB. On 22 March 2017, Asset Management Company of Nigeria announced that Keystone bank had been sold to investors for 25 billion naira ($81.5 million). It was sold to Sigma Golf-Riverbank consortium.

Heritage Bank Plc. (HB PLC), often referred to as Heritage Bank or simply HB, is a financial services institution.In 2012, the core investor, IEI Plc, through IEI Investments Limited, acquired the Societe Generale Bank of Nigeria (SGBN) license from the Central Bank of Nigeria (CBN). Having fulfilled all required criteria, the bank returned 100% of existing SGBN account holders’ money to their owners. Heritage Bank Plc is a large financial services provider in Nigeria.

Ecobank Nigeria Limited, commonly referred to as Ecobank Nigeria, is a commercial bank in Nigeria. It is one of the commercial banks licensed by the Central Bank of Nigeria, the national banking regulator.The bank began operations in 1989. It operates as a universal bank, providing wholesale, retail, corporate, investment and transaction banking services to its customers in the Nigerian market. The bank divides its operations into three major divisions: (a) Retail Banking (b) Wholesale Banking and (c) Treasury & Financial Institutions.

Zenith Bank Plc is a large financial service provider in Nigeria and Anglophone West Africa. It is licensed as a commercial bank by the Central Bank of Nigeria, the national banking regulator.The Nigerian banking industry of the early 1990s was led by a select group of four major banks: Union Bank, First Bank, UBA , and Afribank. In 1999, Zenith bank embraced the use of the internet for marketing financial services and to promote the use of online banking by consumers and becoming one of the earliest companies to invest in online banking.

Union Bank of Nigeria Plc is a commercial bank in Nigeria. It has been operating in Nigeria since 1917. The bank's history can be traced to 1836 when London bankers and British merchants obtained a royal charter from William IV to conduct banking business in the Caribbean. These group of investors then formed Colonial Bank. Following an act of parliament empowering the bank to open more branches beyond the Caribbean, Colonial bank began operations in Nigeria in 1917.

Guaranty Trust Holding Company PLC also known as GTCO PLC is a multinational financial services group, that offers retail and investment banking, pension management, asset management and payments services, headquartered in Victoria Island, Lagos. Guaranty Trust Bank Plc was established in 1990 as a limited liability company (LLC) regulated by the Central Bank of Nigeria to provide commercial and other banking services to Nigerians. The bank began operations as a commercial bank in 1991. The Bank inaugurated its first Head Office on February 11, 1991, at The Plaza, Adeyemo Alakija, Victoria Island, Lagos.

First Bank of Nigeria Limited (FirstBank) is a Nigerian multinational bank and financial services company headquartered in Lagos Nigeria.FirstBank commenced business in 1894 in what was then the British controlled areas, as the Bank of British West Africa. The bank originally served British shipping and trading agencies in Nigeria. The founder, Alfred Lewis Jones, was a shipping magnate who originally had a monopoly on importing silver currency into West Africa through his Elder Dempster shipping company.

First City Monument Bank (FCMB), a member of FCMB Group Plc, is a financial services holding company headquartered in Lagos.The entity from which the bank was founded, City Securities Limited (CSL), was established in 1977 by Oloye Subomi Balogun, the Otunba Tunwashe of Ijebu, a Yoruba traditional aristocrat. First City Merchant Bank was established in 1982 with seed capital from CSL. It was incorporated as a private limited liability company on 20 April 1982 and granted a banking license on 11 August 1983.