Consulting Services
Specializing in data centers, high-performance computing, R&D support and electrical engineering solutions for diverse needs in Data Centers
Data Center Solutions
Providing independent contracting and consultancy for data center infrastructure, operations & service delivery across the EU and beyond. Based in Serbia with EU-passport eligibility β delivering high-density build-outs, uptime optimisation & cost-effective management.
Operational Excellence
Ensure 24/7 uptime, SLA compliance, preventive maintenance, vendor & team coordination.
Performance & Cost Efficiency
Implement analytics, energy optimisation and lifecycle management to reduce cost per MW and improve ROI.
Technical Infrastructure
Design and delivery of mission-critical power, cooling and monitoring systems for enterprise data centers and colocation facilities.


Led international site deployments in Iceland, Sweden, Russia & Kazakhstan β now bringing that expertise to EU contractors.
Global Experience
High-Density Compute & Transition Consulting
Offering specialized consulting in optimizing High-Density Data Center operations with years of expertise in construction, efficiency, and profitability.
Transition Advisory
Assist organizations in migrating from legacy mining or specialized HPC operations to mainstream data center infrastructure.
Staff Training & Remote Support
Provide technical training, support workflows & monitoring frameworks for distributed teams.
Compute-Heavy Environments
Expertise in high-density compute farms, rack power densities, cooling optimization and remote management.
Research & Engineering Integration
Transforms proven academic and industrial research into real-world engineering solutions, supporting innovation in power delivery, cooling strategies, and lifecycle management without introducing risk β ensuring improvements in uptime, energy efficiency, or component lifespan are quantifiable, not theoretical.
From Laboratory to Live Deployment
Extensive experience converting academic research into practical engineering solutions used across energy, electronics, and data infrastructure projects β ensuring every recommendation is validated, not theoretical.
Problem-Solving through Measured Precision
Advanced diagnostics and testing methodologies are used to identify failure points, reduce energy waste, and extend equipment lifespan β delivering tangible ROI through smarter infrastructure performance.
Engineering Expertise Applied to Real-World Operations
20+ years of hands-on work in EMI/EMC design, passive components, and sensor technologies β now focused on improving reliability, efficiency, and infrastructure resilience in high-density compute environments.


Why Choose CODE21?
β Serbia-based consultancy: cost-efficient contracting model without compromising access to European markets.
β EU Passport holder: legally eligible for EU-based projects, on-site or remote.
β Proven track record: decades of engineering leadership, multi-site deployments across Europe and Asia, and experience managing large teams and vendor ecosystems.
β Hybrid skill-set: infrastructure build-out + ops + customer delivery β bridging the gap between engineering and business value.
Innovation
Solutions
π§ Email: info@code21ns.com
π Phone/WhatsApp: +381 64 150-6955
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