This case study analyses an innovative approach in providing capacity building to municipal officials, improving financial performance practices in order to access long term capital of sub-national entities (SNEs). The City Creditworthiness Initiative (CCI), was created “to coordinate and integrate existing efforts, instruments, knowledge and resources by identifying the most effective solutions and implementation arrangements for subnational entities”. It is implemented by the World Bank Group in partnership with the Rockefeller Foundation and the Korean Green Growth Trust Fund. In this case study ICED explores the detailed approach to designing CCI, outcomes and key success factors in delivery.