Marketing consulting; Professional business consulting; Business organization consulting; Business management consulting; Personnel management consulting; Business consulting services; Direct marketing consulting services; Business marketing consulting services; Corporate image consulting services; Business development consulting services; Career placement consulting services; Business consulting for enterprises; Business organization and management consulting; Consulting services relating to publicity; Business consulting and information services; Human resource analysis and consulting services; Business consulting services for start-up companies; Business consulting services for digital transformation; Consumer marketing research and consulting related thereto; Business consulting in the consumer products industry; Advertising and promotion services and related consulting; Technical consulting in the field of marketing; Consulting in sales techniques and sales programmes; Commercial information agency services