The discontinuous and turbulent nature of business environment makes it important for organizations to adopt strategic management practices to be at alert to environmental changes. This study examined the impact of strategic management on competitive advantage and organization performance in Nigerian bottling company using the resource based theory as its theoretical basis because the theory explains how competitive advantage and superior performance of an organization is explained by the distinctiveness of its resources and capabilities which constitutes central considerations in formulating its strategy. Primary data with the aid of a structured questionnaire was used to elicit information from respondents. The data collected were analyzed using both descriptive such as frequencies, percentages mean, standard deviation and inferential statistics of Chi-square and Analysis of Variance (ANOVA). The findings revealed that indeed the adoption and implementation of strategic management practices makes the organization not only to be proactive to changes but also initiate positive changes that consequently leads to competitive advantage and sustainable performance. It was recommended that organization should continuously maintain, sustain and improve strategic management practices since it is an indispensable tool for business organization performance.