Business Services ISIC Code 8299. This class includes activities primarily aimed at supporting businesses in their daily operations. It encompasses a wide range of services such as document preparation, telephone answering, and other administrative services, credit and debt collection services, organization of conventions and trade shows, and other activities not classified elsewhere. These services are designed to improve business efficiency, facilitate smooth workflows, and provide specialized expertise where required. The activities in this class may vary based on the specific needs and operational structure of the businesses being supported.