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.