The difference between a company competence and a core competence is that a competence is grounded in the experience and expertise of a company's work force whereas a core competence is based on mastery of an important production technology o a company competence qualifies as a resource strength whereas a core competence concerns the value chain activity that a company performs at the lowest cost compared to rivals O a company competence is an activity that a firm performs consistently well and at acceptable cost whereas a core competence is an activity that a company not only performs quite well but is central to its strategy and competitiveness. a company competence refers to a company's best-executed operating strategy and a core competence refers to a company's best-executed factional strategy a company competence represents proficiency in performing a secondary or support- related value chain activity whereas a core competence relates to proficiency in performing a primary value chain activity