Empty data hall during fit-out with a containment frame, yellow fibre trays and a raised floor

Hyperscale data hall fit-out in 4 to 8 weeks

150+ fit-outs across Germany, turnkey from design to support after go-live.

Fit-out, power and BMS for data centers

GDS Datacenter Solutions, formerly Gerull Kritische Systeme, builds and equips data halls across Germany from Ergolding in Bavaria.

Finished rack row with containment doors under yellow fibre trays

Data Hall Fitout

Complete buildout of data halls, from raised floors to the last rack row.

GDS BMS demo during a transformer A fault: hall plan, system overview and the critical alarm

BMS Installation

Building Management Systems: integration, programming, commissioning.

Years experience
10+
Projects completed
150+
Availability
99.9%
Emergency support
24/7

Three data halls for a hyperscale operator

European Hyperscale Operator

Complete fitout, 3 data halls, 4,500 m²

12 weeks construction time, PUE of 1.28 achieved

  • Data Hall Fitout
  • Infrastructure
  • BMS
  • PUE Optimization
Patch panels with yellow fibre cabling inside a rack
  • International Colocation Provider

    DGUV testing & maintenance across 12 sites

    2,400+ test protocols, zero outages during maintenance

  • Leading Cloud Infrastructure Operator

    Emergency troubleshooting & server migration, 800+ servers

    98.7% first-fix rate, under 4h response time

View all references

From empty hall to live operations

Data center infrastructure, end to end: installation, troubleshooting, testing.

  1. Design

    • Consulting & ExpertiseStrategic consulting for planning, optimization, and expansion of your infrastructure.
    • PUE OptimizationImprove energy efficiency: measurements, analysis, and measures for better PUE values.
  2. Build

    • Entry SystemsAccess control systems: planning, installation, and integration into existing security.
    • CCTV SurveillanceCCTV systems that monitor critical areas without gaps, 24/7.
  3. Test and hand over

    • DGUV TestingStandards-compliant testing of electrical systems and equipment per DGUV V3.
    • Thermography & AnalysisThermal imaging analysis to detect hotspots, weak points, and risks.
  4. Operate and support

Klaus Gerull (left) and Marcel Gerull of GDS Datacenter Solutions with company service vans

Run by Klaus and Marcel Gerull

Klaus Gerull, founder and technical lead (left in the photo), and Marcel Gerull, managing director.

Tradition & Innovation
Proven craftsmanship meets current technology. We combine solid electrical engineering fundamentals with innovative solutions for the infrastructure of tomorrow.
Service & Materials
First-class service with high-quality materials. We work exclusively with tested components and reliable suppliers.
Technical Expertise
Deep expertise in electrical engineering, network technology, and critical infrastructure, gained through years of hands-on experience in data centers worldwide.
Flexibility
Rapidly deployable, adaptable, and efficient: whether a single project or a large-scale engagement, we scale to your needs.
Live Precision
Working in live environments demands the highest precision. We operate in active data centers without jeopardizing operations.
Team Spirit
Strong teams deliver strong results. Our crew works as a well-coordinated unit, communicates clearly, and meets deadlines.
Problem Solvers
When others give up, we get started. Complex troubleshooting and unconventional solutions are our strength.

Partners and suppliers

  • Stengel GmbH
  • Equinix
  • Riello UPS
  • Würth
  • Faber Kabel
  • Hilti
  • Rexel
  • Rentaload
  • Brushboxx
  • Secure Cage Systems

Request a project

Direct Line

+49 151 24475314Marcel Gerull, Managing Director

info@gerull.tech

Pfarrer-Kienberger Str. 13
84030 Ergolding, Germany