Abstract: Nairobi City County's Non-Governmental Organizations (NGOs) are facing distinct and unforeseen challenges, which encompass a lack of financial resources and an inability to adapt innovatively to changing needs. Therefore, this study sought to effect of project team competence on the performance of projects of non-governmental organizations in Nairobi City County, Kenya. The research employed a descriptive research design. The study population was identified with the help of non-profit organizations in Nairobi City County, resulting in a total of 210 participants, comprising 70 project managers and 140 project employees. Participants were selected using simple random sampling, while stratified random sampling was utilized to choose the NGOs. Out of the total, 138 individuals completed the survey. Primary data was gathered through a semi-structured questionnaire. Furthermore, a pilot study was carried out with four non-governmental organizations in Nairobi County. The validity of the questionnaire was evaluated based on criteria, construct, and content validity. Descriptive statistics, including frequency, percentage, mean, and standard deviation, were utilized to analyze the quantitative data. The study also employed inferential statistics such as multiple regression analysis and correlation analysis. The results indicated that most projects were inefficient regarding quality, cost, and timely delivery, with completed projects only partially meeting client expectations. Furthermore, the findings revealed that many of these completed projects suffered from inadequate planning. This research highlights the positive impact of effective development on project performance and team efficiency. Additionally, it suggests that changes in project organizational structure may stem from various factors, including the recruitment of inexperienced key personnel. The study concluded that project managers could effectively allocate and manage resources when they are distributed appropriately. Keywords: Project Team Competence, project performance. Title: EFFECT OF PROJECT TEAM COMPETENCE ON THE PERFORMANCE OF PROJECTS OF NON GOVERNMENTAL ORGANIZATIONS IN NAIROBI CITY COUNTY, KENYA Author: Wairia Nyangaria David, Dr. Paul Sang International Journal of Social Science and Humanities Research ISSN 2348-3156 (Print), ISSN 2348-3164 (online) Vol. 13, Issue 1, January 2025 - March 2025 Page No: 168-174 Research Publish Journals Website: www.researchpublish.com Published Date: 13-February-2025 DOI: https://doi.org/10.5281/zenodo.14863197 Paper Download Link (Source) https://www.researchpublish.com/papers/effect-of-project-team-competence-on-the-performance-of-projects-of-non-governmental-organizations-in-nairobi-city-county-kenya