Purpose of the article: Business process management is a topical theme in the field of corporate. The introduction of business process management has a huge impact on business organization and dramatically changes ingrained principles, procedures and methods. One of the changes associated with the introduction of business process management is company´s direction to horizontal organization. The purpose of this article is to verify the assumption flattening of organizational structures as a result of the increasing rate of introduction of business process management. Methodology/methods: The issue is solved on small and medium-sized enterprises. The analyzed sample contains 187 small and medium-sized enterprises from South Bohemia. Business ...