Is a set of tasks that an enterprise must carry out on a regular basis in order to bring goods or services to market. These tasks may be performed internally by an enterprise or sourced externally. The full set of business functions of the enterprise includes tasks related to implementation of the main objective of the enterprise (production of products and / or provision of services) and all necessary supporting activities undertaken to implement the main business activity (e.g. accounting, human resources, IT support, etc.).

Business function is used in global value chains surveys. List of business functions is defined by Eurostat.

• Core business function