H1 Systems is Hungary’s leading engineering company with over 33 years of experience delivering mission-critical data center, building technology, and security solutions for enterprise and government clients.

We provide end-to-end services across the full data center lifecycle — from concept development and audit through design, build, and long-term operation. Our work spans structured cabling, thermal management, UPS and power infrastructure, and AI-ready high-density environments.

H1 Systems is an official Uptime Institute Business Partner and the only Hungarian participant in the EU Horizon Europe HEATWISE project, developing next-generation thermal monitoring and digital twin technology for data centers.

Our operational services are delivered under the Uptime Institute M&O methodology, with a single accountable engineering partner across all disciplines.

Reference projects include the TIER III certification of several data centers in Hungary and the Southeast-Asia region and infrastructure programs for major enterprise and public sector clients.

We combine deep engineering expertise with a documentation-first, compliance-ready approach — supporting clients navigating EU regulatory requirements including NIS2, DORA, and the Energy Efficiency Directive.