⚡ Electrical Installations • Planning and implementation of electrical projects • Electrical installations for new constructions and renovations • High-voltage systems • Installations for lighting, power, and heating consumers • Electrical distribution and device testing • Service and maintenance • 24/7 on-call service, 365 days a year 🏢 Building Automation • Smart Home • Systems for modern building technologies • Building automation and control ☀️ Renewable Energy • Photovoltaics • Solar systems • E-mobility • Charging stations 🌐 Network Technology • Network cabling / Universal communication cabling (UCC) • Fiber optic installations • Intercom and clock systems 💻 IT Services • IT consulting / Optimization or renewal of IT infrastructures • WLAN installations and measurements • IT security / Firewall solutions • On-premises and cloud server infrastructures • Clients (PCs, printers, etc.) • Site networking (VPN) • Home office solutions • Network monitoring • ICT concepts for companies • Communication servers / Telephone systems • Support and maintenance • 24/7 on-call service, 365 days a year

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.

Whether by remote maintenance, telephone or on-site - we are there when things go wrong! Your computer professional from the greater Basel area supports you with computer problems, repairs, service, IT support and offers tailor-made solutions for private individuals and companies.