Nairobi Metropolitan Services Improvement Project (NaMSIP) is a US$330 million metro-wide urban development initiative under the State Department for Housing and Urban Development. The project is financed through counterpart financing by both the National Government of Kenya and the International Development Association (IDA), World Bank. NaMSIP was declared effective on 17^th December 2012 with an initial closing date of 30^th June 2017 which was revised to 30^th September 2020.

The project is implemented in collaboration with five County governments which comprise the NMR namely; Nairobi, Kiambu, Machakos, Kajiado and Murang’a. Other key partners include the Athi Water Services Board and Kenya Railways.