Advertising; Business management; Business administration; Office functions; Business organisational and business economic consultancy, database management, compilation and systemisation of information, in particular in the field of personal data and records; Human resources; Personnel recruitment and selection; Personnel recruitment; Deployment and secondment of personnel; Procurement of personnel; Personnel recruitment, selection, placement and secondment for the maritime sector; Personnel recruitment, selection, placement and secondment for the infrastructure sector; Project-based recruitment, selection, placement and secondment of personnel, including for maritime and infrastructure projects; Information and consultancy in the field of personnel and human resources; Project management; Administration, in particular salary and personnel administration, payment of taxes and social security contributions, including pensions, payroll preparation; Accountancy, including administration for others; Invoicing, Book-keeping, including tax returns and drawing up annual accounts; all the aforesaid services via telecommunications channels, including the Internet.;