Miriam Chidiebele Olusanya

Guaranty Trust Bank Ltd. engages in the provision of commercial banking solutions. Its services include current accounts, deposits, overdrafts, loans and other credit facilities, foreign currency, and providing derivative products. It operates through the following segments: Corporate Banking, Retail Banking, Commercial Banking, Small and Medium Enterprises (SME) Banking, and Public Sector Banking. The Corporate Banking segment offers services in large corporate customers and blue chips. The Retail Banking segment comprises private banking services, private customer current accounts, savings deposits, investment savings products, custody, credit and debit cards, customer loans, and mortgages. The Commercial Banking segment focuses on the mid-size and fledgling corporate customers. The SME Banking segment consists of small and medium-size enterprises and ventures. The Public Sector Banking segment provides services for government ministries, departments, and agencies. The company was founded by Afolabi Aiyeola and Olutayo Aderinokun on July 20, 1990 and is headquartered in Lagos, Nigeria.

Guaranty Trust Bank Ltd. (Bahamas) provides banking services. The private company is based in Nassau, Bahamas. Miriam Chidiebele Olusanya has been the CEO of the Bahamian company since 2021.