Purpose: The purpose of this study was to establish the effect of integrated ticketing on sustainable mobility in the Matatu Saccos in Nairobi County, Kenya. Materials and Methods: The study was guided by Positivism philosophy while descriptive research design was adopted. The target population was 177 Sacco Managers and two representatives, one from MOT and other from MVOA respectively. The whole population of 179 respondents was used in the study hence; the study employed the census approach. The questionnaire was pilot tested on 18 respondents who were selected randomly. The study applied Cronbach's alpha and the results displayed a high level of internal consistency hence infers that the research tool used in the study was reliable. The data collection instrument was a semi-structured questionnaire, which were dropped and picked later. A semi-structured interview guide was also used. Data was analysed using descriptive and SPSS Version 24. Results: Correlation analysis indicates that there is a strong positive and significant relationship between integrated ticketing and sustainable mobility of Matatu Sacco in Nairobi County. (rho = 0.809, p value <0.05). Regression analysis also showed that in general, integrated ticketing is significant in explaining the variation in sustainable mobility of Matatu Sacco’s in Nairobi County, Kenya (β = 1.046, t = 15.872, p<0.05). Unique contribution to theory, practice and policy: The study recommends recommended that, the Ministry of Transport and the management of the Saccos should formulate substantial policies on how to handle ticketing where the government imposes control of fares. This ensures that there is functional guidance on charging the passengers, which would, in turn, improve customer satisfaction and improve company image.