Bank One Limited was established in 2008 as a joint venture between I&M Group, a key player in East Africa’s financial sector, and CIEL Finance, the finance arm of CIEL Group, one of Mauritius’s foremost conglomerates. Headquartered in Mauritius, Bank One serves businesses and individuals across Africa and beyond, providing financial solutions aligned to diverse and evolving needs.
The Bank benefits from the regional presence of its shareholders in key markets such as Kenya, Tanzania, Rwanda, Uganda, Madagascar and Mauritius. Bank One provides a comprehensive range of products and services across Corporate and Institutional Banking, Business Banking, Custody, Treasury, Consumer Banking, Private Banking and Wealth Management. These services support business growth, risk management and the optimisation of financial resources, and enable individuals to achieve personal goals through a considered mix of savings, loans and investment solutions.
The approach is grounded in collaboration, prudent innovation and deep industry expertise. Dedicated teams, led by experienced professionals, design strategies informed by market trends, regulatory environments and client priorities. Product and coverage specialists work across functions to deliver efficient, effective service and long-term value.

