In this paper a new approach to assess companies' competitiveness performance by means of indicators in an efficient and reliabel way is presented. the approach combines the use of the Analytic Network Process (ANP) method with the Balance Scorecard and the information obtained from sectorial experts during the decision - making process. The ANP method allows the aggregation of experts' judgements on each of the selected indicators used into one company competitiveness index. For that, a comparative study for competitiveness indicators has been carried out among three different business sectors representative of Venezuela.