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EPCM · Turnkey · Serbia, Greece, Saudi Arabia

Engineering endless possibilities.

From concept to reality: DECO Engineering delivers complex, regulated facilities end to end — sterile and high-potent pharma plants, BSL‑3 laboratories, power plants. The (turn)key to success in construction and engineering.

Find a comparable projectScope your project
Flue gas desulphurization plant, TENT B, Serbia
Flue gas desulphurization plant, TENT B, Serbia
High potency OSD plant, Greece
High potency OSD plant, Greece
  • 250+completed projects
  • 25+years of experience
  • 4offices in Serbia, Greece and Saudi Arabia
  • 9countries in our project reach
  • Serbia’s first BSL‑3 diagnostic laboratory, delivered turnkey at the Torlak Institute.
  • No serious accidents in DECO’s history — and never a negative reference.
  • Certified to ISO 9001, ISO 14001 and ISO 45001.

Flagship projects

From concept to reality — five services on one line, delivered one by one or as a turnkey whole

  1. 01ConsultConsulting & Planning2 projects here
  2. 02EngineerEngineering & Design6 projects here
  3. 03ManageProject & Construction Management14 projects here
  4. 04InstallEquipment Procurement & Installation Services19 projects here
  5. 05QualifyCommissioning, Qualification & Validation8 projects here

Services

Bringing projects to life

Five services that follow your project from the first feasibility study to the last qualification protocol — with one team accountable for all of them.

All services
  1. 01

    Consulting & Planning

    At DECO Engineering, consulting and planning go beyond recommendations — we offer strategic foresight and actionable roadmaps.

    • Feasibility studies and CAPEX/OPEX evaluation
    • Regulatory and environmental compliance consulting
    • Master planning and site selection
    Read more
  2. 02

    Engineering & Design

    Our engineering and design services fuse creativity with execution-ready practicality.

    • Basic and detailed engineering (PGD/PZI)
    • 3D modelling and Building Information Modelling (BIM)
    • Cleanroom and containment design (GMP, GLP compliant)
    Read more
  3. 03

    Project & Construction Management

    We manage complexity with precision.

    • Turnkey project execution and coordination
    • Multi-disciplinary construction supervision
    • Procurement and contract management
    Read more
  4. 04

    Equipment Procurement & Installation Services

    From specification to startup, our Equipment and Installation Services ensure that every component of your facility operates in harmony.

    • Equipment move-in, positioning, and hook-up
    • Installation of mechanical, electrical, HVAC, BMS/EMS systems
    • Integration of clean and black media systems (WFI, PW, CA, Steam, etc.)
    Read more
  5. 05

    Commissioning, Qualification & Validation

    Commissioning, Qualification, and Validation are vital to operational readiness — especially in highly regulated sectors like pharmaceutical, biotechnology, and life sciences.

    • Development and execution of CQV master plans
    • Design, Installation, Operational and Performance Qualification (DQ/IQ/OQ)
    • Process validation and clean utility verification
    Read more

Projects

Successfully completed projects for our clients

A selection from more than 250 completed projects. Each card shows which DECO services the project covered.

See all 21 projects

How to read the line

  1. 01 Consulting & Planning
  2. 02 Engineering & Design
  3. 03 Project & Construction Management
  4. 04 Equipment Procurement & Installation Services
  5. 05 Commissioning, Qualification & Validation

Each project shows the five DECO services as one line. A filled station means the published scope of that project includes the service.

Markets

Delivering complex engineering projects across diverse markets

Six markets, one standard: cleanroom precision in a pharma plant, heavy-industry discipline on a power plant site.

All markets

Our advantages

Advantages that make the difference

Turnkey or tailor-made, the same commitments apply on every project.

  • Comprehensive project life cycle support

    We offer comprehensive support throughout the entire project life cycle, ensuring every stage is seamlessly managed and optimized for success.

  • Cost efficiency

    Client cost efficiency is one of our top priorities. We ensure that project expenses are carefully managed, always keeping the client’s financial benefit in focus.

  • Turnkey or tailor-made solutions

    Choose between our turnkey solutions or the flexibility of tailor-made options.

  • Adherence to quality standards

    We adhere to all relevant industry standards, including: Certificate on the energy properties of high-rise buildings (Energy Passport), ISO 9001, ISO 14001 and ISO 45001.

  • Client first approach

    We are deeply dedicated to our clients’ goals and needs. As proof of this dedication, DECO has never received a negative reference.

  • Flexibility

    DECO specializes in delivering turnkey project solutions, providing clients with a seamless experience from start to finish. At the same time, we are highly adaptable and readily tailor our services to meet specific client requirements.

  • International experience

    Though expertise is a must, we emphasize the international experience of our team members who obtained their experience in cross-cultural international environments such as: Germany, Netherlands, KSA, Greece, Russia and beyond.

  • Sound internal safety standards

    We strictly comply with all local safety regulations, while our internal standards often go above and beyond these requirements. Dedicated to maintaining a zero-accident workplace, we are proud that no serious accidents have occurred in DECO’s history.

What people say about DECO

The project team expresses its appreciation for the outstanding work as a contractor on our project. Your dedication to continuous is evident in the way you handle challenges, implement feedback and seek new opportunities to learn and grow. You have shown remarkable skills and expertise in your field and have contributed to the success of your project. We would also like to thank you for your commitment to safety.

EXYTE Quality Award 2023

It is our pleasure that we extend our recommendation to DECO Engineering as an esteemed partner in large-scale construction projects, particularly in Serbian market. DECO has established itself as a distinguished player in the construction industry, renowned for its excellence in managing and executing extensive projects across various disciplines.

Mitsubishi Power

Safety & Quality

Standards that stand the test of time

Safety and quality are the foundation of everything we do. Our mission: zero incidents and world-class standards in every project.

Safety & quality
  • ISO 9001:2015Quality Management Systems
  • ISO 14001:2015Environmental Management Systems
  • ISO 45001:2018Occupational Health and Safety Management Systems

Additional standards implemented

  • ISO 50001:2018 Energy Management System
  • ISO 55001:2014 Asset Management
  • ISO 31000:2018 Risk Management
  • ISO/IEC 27001:2022 Information Security Management
  • ISO 37001:2016 Anti-bribery Management System

Also: Certificate on the energy properties of high-rise buildings (Energy Passport).

Scope your project

Describe the facility. We map it to DECO.

Write a few lines about what you plan to build or upgrade. The DECO assistant matches it to our market and services, shows comparable projects from our portfolio, lists what our engineers will need and pre-fills the project inquiry for you to review.

  • 1Describe the facility, location and phase in your own words.
  • 2Check the matched services, comparable projects and open questions.
  • 3Review the pre-filled inquiry and send it — nothing is sent before you do.

Please do not enter confidential project information. Your text goes to an external AI service provider (data processed in the USA) only to generate the answer; this website stores nothing.

An AI-generated first orientation. It is not an offer: scope, cost and schedule are confirmed only by DECO in writing.

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Career

Join our team and be part of something bigger

At DECO Engineering, our greatest strength lies in our people. With over 25 years of experience, we provide our employees with a depth of knowledge that will undoubtedly enhance their careers.

Open positionBusiness Assistant to the CEOBelgrade, Office-based role · Full-timeMore details

Offices

Bridging ambition with solutions

Headquarters in Belgrade, a registered office in Vrnjačka Banja, a branch in Athens and DECO Saudi Arabia in Riyadh.