Agents' services (business management of actors, artists, authors, performing artists, photographers or writers); Artists' agent services; Commissioning of artist works (negotiating of contracts); Business management of performing artists; Advisory services for business management; Management assistance in business affairs; Business development services; Negotiation of business contracts for others; Marketing assistance; Marketing consultancy; Marketing management advice; Marketing advisory services; Planning of marketing strategies; Preparation of marketing plans; Promotional marketing; Online retail services; Retail services; Retail services for works of art provided by art galleries; Display and sale of works of art (commercial exhibitions shows, galleries); Arranging exhibitions for advertising purposes; Arranging exhibitions for commercial purposes; Conducting exhibitions for advertising purposes; Conducting exhibitions for commercial purposes; Organisation of exhibitions for commercial or advertising purposes; Advisory services relating to advertising; Consultancy relating to advertising; Business advice relating to advertising; Promotional advertising services; Planning services for advertising; Distribution of goods for advertising purposes