Purpose: The main purpose of the research was to examine the level of service delivery at Nairobi City Water and Sewerage Company and how direct participation can be leveraged to foster the delivery of the company servicesMethodology: The research was premised on a descriptive research design with convenient random sampling being utilized. The research data was collected using a structured questionnaire with the collected data being analyzed using descriptive and correlational analysis.Findings: The findings confirmed a strong positive association between direct participation through; delegation of work duty, involvement in setting up work plans, participation in decision making, setting up of individual goals all contributed to positive increase in service delivery.Unique Contribution: The study offers invaluable insight into the service delivery of the state parastatal and highlights how personnel participation has been integral in enhancing the level of corporate service delivery