Koller-Computer GmbH is a company known for its customer-friendliness, punctuality, and excellent service. Our main areas of focus include: - Trading of hardware and software - Network technology and network security - Support and maintenance - Migration and optimization - Voice and VOIP (Voice over IP) - Data security and firewall technology - Consultation and integration of ICT and telephone services - Computer services - Sale of hardware and software of all kinds, including Apple products - Setting up internet connections, corporate networking, firewall SwisscomTV, mobile internet - Planning and implementation of IT networks for business and private sectors - Connecting home electronics (watching vacation photos on TV is no problem; we establish the connection) - Creating graphic products such as business cards, logos, websites, etc. - Telephone services - Internet telephony (Voice or IP) Sipcall, BluewinPhone, etc. - Planning and setting up telephone systems - Connection to computer network CTI - Administrative tasks such as mutations, relocation, etc.

Prongué & Partner delivers tailored consulting and implementation in software development, data management, testing, and process analysis. We guide businesses from needs assessment through system integration to quality assurance. Our expertise covers the digitalization of business processes, workflow optimization, and the creation of secure, future-proof IT solutions. With an agile, results-driven approach, we deliver sustainable outcomes that increase efficiency, reduce risks, and support growth.

Sehr guter und zuverlässiger Service. Mein Computer und mein Tablet wurden schnell und professionell installiert. Sehr freundlich und hilfsbereit.