HC Center is a Slovenian information technology company focused on designing, implementing and supporting business IT systems. Its work spans infrastructure, cloud services, cybersecurity and the digitalisation of business processes, with services intended to help organisations operate reliably and efficiently. The company provides IT planning, infrastructure deployment and management, proactive maintenance, end-user support, technical servicing and IT equipment sales. Its infrastructure solutions include servers, storage systems, data centres, email platforms, virtualisation, backup and wired and wireless networks, including network security and monitoring.

HC Center also offers public and hybrid cloud services, cloud infrastructure rental, data storage and sharing, cloud backup, and solutions involving Microsoft Office 365 and Azure. For business digitalisation, its offerings include document management, digitisation of incoming mail, invoice processing, and tools for managing human resources, contracts and business workflows. Security services cover firewalls, email and endpoint protection, authentication, cybersecurity and network security testing. The company also provides disaster recovery services, including solutions based on HPE Zerto Software. HC Center announced that it officially joined Mainstream in 2025.