Engineering precision, delivered worldwide.

Structural design and engineering solutions for infrastructure, industrial, and building projects across three continents.
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360° engineering experience across continents

S Tech was established in 2019 by a group of engineers who share the same professional vision and have worked together for years. We specialize in civil engineering — structural design, consulting, and engineering — offering a one-stop-shop format for local and international companies.

Our team has played various roles across project hierarchies — from junior designers to project managers of multi-million projects with multidisciplinary teams. This translates into optimized solutions that address potential challenges in early stages.

9
Countries
3
Continents
15+
Years combined experience

Full-scope structural engineering

Structural Design

Complete structural design from concept through detailed design for steel, concrete, and composite structures.

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Engineering & Consulting

Expert advisory services for project planning, feasibility studies, and technical problem-solving.

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Construction Support

On-site technical support during construction, ensuring design intent is properly executed.

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Design of Connections

Detailed design of steel connections — bolted, welded, and hybrid — per Eurocode and international standards.

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Steel Detailing

Production-ready shop drawings and 3D models for steel fabrication using Tekla and Advance Steel.

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RC Detailing

Reinforced concrete detailing — bar bending schedules, reinforcement layouts, and quantity take-offs.

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Architectural Design

Architectural concepts and detailed design that complement structural solutions.

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Co-founders

The team behind S Tech

Bojan Zelenković

Bojan Zelenković

Structural Engineer

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Daniel Arsenović

Daniel Arsenović

Structural Engineer

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Luka Popržen

Luka Popržen

Structural Engineer

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Let's build something together

From preliminary concepts to detailed design — we deliver cost-effective structural solutions tailored to your project's needs.

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