3. Guaranty Trust Bank (₦2.4 trillion)

Guaranty Trust Bank (GTBank) has assets worth ₦2.4 trillion. It has shareholder funds of more than ₦300 billion. The bank employs more than 3,500 people and operates through a network of around 200 offices in Nigeria. Guaranty Trust Bank’s bank and non-bank subsidiaries are spread across Anglophone West Africa and the UK.