The article deals with social capital of an enterprise as an economic category and its management because of topicality of effective utilization of all kinds of business resources in conditions of global economic crisis. The recognition of social capital as an economic category, leads to necessity to consider its influence on efficiency, competitiveness and stable development of the enterprise. The purpose of the article is to consider the importance and interaction of the social and client capital as elements of the Intellectual Capital and to analyze their influence on an enterprise’s performance. Authors characterize the problems of the enterprise arising in connection with management by client capital and, consider the parameters forming the customer equity of the polygraph enterprises, analyze results of debtors and receivables management.