The core activity of cosupp.ch is the provision of IT services, specifically: * Computer support and maintenance (installation, configuration, repair and upgrade of PCs and Macs) * Network administration (setup and maintenance of Microsoft-based networks, integration of servers, NAS, routers, switches and firewalls) * Software support (installation, configuration and maintenance of software products such as Office, email accounts and virus prevention) * Web development (creation of professional websites for companies, individuals, associations and clubs) * Programming (development of individual web applications and software solutions for mobile and desktop) The company offers these services to individuals, companies, associations and clubs, emphasizing personal and regional proximity to its customers.