The business climate survey of HCCI Institute for Economic and Enterprise Research (HCCI IEER) have been operating since April 1998, and monitor enterprises in every April and October, which is supported by regional chambers. This research enquires the business situation, short term expectations of enterprises and the effect of economic and institutional environment on them. In Hungary, the Business Cycle Research of HCCI IEER surveys the highest number of enterprises. The research is in association with Eurochambres, who is monitoring the business cycle of approximately 14 millions of companies.