The clients of Umunnachi Microfinance Bank Ltd. Abakaliki includes the Government of Ebonyi State, Ministries, Departments and Agencies (MDAs), The Catholic Diocese of Abakaliki, Parishes of the diocese, Revered Fathers of the diocese, Catholic Men Organization (CMO), Catholic Women Organization (CWO), other arms and organizations of the diocese, business men and women, civil servants, companies, co-operative socieities, clubs, groups, agencies and organizations. etc