advisory services for computer systems and software, administration of software packages, database management, performance testing, performance audits, planning and design of computer systems integrating hardware, software and communication technologies, as well as software maintenance, training of concerned users, software maintenance of computer systems and applications for third parties, development, adaptation, testing and maintenance of software, design of programs based on user instructions, on-site management and operation of computer systems and/or data processing for clients, as well as related support services and generally all computer-related services (cf. statutes for full purpose)