The article is dedicated to the relationship between a company’s costs and competitiveness. Cost information management means a successful administration of the enterprise. This vision should inspire the management team to introduce efficient cost management methods and techniques to obtain the needed information timely and of a content allowing for good decision-making. The increase of the competition pressure forces the enterprises to analyze their costs more than just to precisely determine the sales prices and the accomplishable margins for each product, but to also determine the strategic directions of activity. According to the requirements of the current environment, the enterprise management can be only performed based on an adequate informational support since the decision-making process involves information that must be elaborated, supplied, interpreted and carefully controlled.