Marketing audit is a tool inciting the development and the evaluation of marketing efforts of an enterprise. In addition to this, marketing audit is also an effort to evaluate the potential, the resources and the goals of an enterprise against the effectiveness and efficiency of its marketing principles and strategies. In this research, the effectiveness levels of different enterprises will be investigated and measured with the help of the scoring system used in determining the effectiveness of the marketing management, the strategic orientation, the marketing management structure, the market and the marketing knowledge, the customer value creation capacity and the efficiency in implementation of marketing policies of an enterprise, using Philip Kotler's Strategic Auditing Approach. The effectiveness of marketing management will be analyzed and commented from the point of view of practicing marketing managers in the area.