Advertising; business management; business administration; office functions; auditing and account auditing services; accounting services relating to taxation, strategic business planning services and services provided by commercial consultants; advisory services for business management; assistance and consultancy relating to company organization, market analysis, strategic business planning, accounting, document maintenance and indexing, accounting management and commercial activity management; estimates and investigations for business organization services; market research and studies; business consultancy and advisory services relating to company mergers, acquisitions, divestitures, takeovers and operational management services; services provided by commercial consultants and provision of advice in connection with sales services, for corporations involved in production, company development and development for governments and public sector companies; services provided by commercial consultants and business reorganizations, bankruptcy and processing services relating thereto