The telecommunication sector plays a critical role in communication, contributing to the Gross Domestic Product (GDP), creation of economic opportunities through mobile money agents, facilitating economic activities, facilitating the provision of mobile money and internet services. The firm performance of the telecommunication companies are thus important in Kenya's context. However, comparing the firm performance of Telkom Kenya Limited with other mobile phone service providers, Telkom Kenya Limited has performed relatively low compared to its peers as evidenced by data from communication authority of Kenya. Competitive strategies have been noted as key drivers of firm performance around the world. This study sought to examine the role of competitive strategies on the firm performance of Telkom Kenya. In particular, the study examined the influence of differentiation strategy, cost strategy, and focus strategy on firm performance of Telkom in Nakuru. The study was guided by three theories; Bowman's Strategy Clock Theory, Institutional Theory, and Michael Porter Theory. This study utilized a correlational research design. The target population of this study is 56 Telkom Kenya staff involved in marketing, finance and operations aspects of the Telkom offices at Nakuru East Sub County. The study used the census method in selecting sample members. The sample size of the study is therefore 56 Telkom Kenya staff based in Nakuru East Sub County offices. The study used structured questionnaires for the purposes of the data collection process. A pilot study was undertaken in Naivasha offices of Telkom Kenya. The validity of the instrument in this study was examined using the content validity of the instrument. Reliability of the research instrument in this study was examined using the Cronbach alpha coefficient. Data was coded into the SPSS software in preparation for data analysis. The data from the questionnaire was analysed using descriptive and inferential statistics. The statistics to be undertaken include frequencies, chi-square, and linear regression analysis. The competitive strategies were found to have positive correlations amongst themselves.