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Control System Integration & Engineering & OT Cybersecurity & Digital Transformation

ATO Engineering is a company for engineering, integration of control and management systems and services related to digital transformation and industrial cyber security. Our innovative and talented team of engineers and technicians is specialized in development, implementation and maintenance of technical and technological systems, especially for control and management systems of various manufacturers in industrial, technological and power plants. Since year 2000 we provide complete automation solutions for our customers.


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We design all kinds of project documentation, basic and detailed design,conceptual solutions, conceptual projects, major projects, performance projects and constructed projects. Our engineers possess great knowledge and experience needed for the most demanding projects in the field of electrical engineering. For designing project documentation we use most advanced available 2D and 3D tools (ePlan, Comos, ACAD, Simaris Design...) Our design solutions are consistent with the current legislation, regulations, national and international industry standards and best practices of the profession. We pay special attention to work safety, environmental protection and the energy efficiency of our project solutions. We also provide consulting services and supervision over construction in the field of electrical engineering.

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Software Applications Development

ATO Engineering Ltd. is specialized in integrating PLC, DCS, HMI and SCADA application control and management systems. A large number of highly demanded and successfully implemented projects gives us the right to assert that we belong to leading companies in this field in the region. We provide services of developing supervisory, regulatory, fail-safe and high tolerant applications and their communication with superior and other devices. We are experts in using the Siemens SIMATIC S7, PCS7, TXP, T-3000 and WinCC management systems, but we are also keen on many other systems by other suppliers Allen Bradley, ABB, Koncar ...

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Assembling of control and low voltage cabinets

Low voltage switchboards and power distribution cabinets are components that are used for functionally connecting electrical power sources (generators, transformers, cables) with loads (motors, heaters, lighting components ...) including circuit protection and measuring systems.

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Construction - Electrical Installation, Cabling and Connection

Construction installation, cabling and connection of electrical equipment, elements of control and monitoring systems are specialized tasks that are performed during the construction or reconstruction of facilities or buildings

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Testing and commissioning

After the installation and connection of equipment in the unit, we carry out the test system on cold, tests on warm and commissioning and trial operation. The examination staff examines in accordance with the documentation prepared for trial and protocols that are consistent with the policies and procedures of quality.

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ATO Engineering provides preventive and corrective maintenance services in complex systems such as control systems, power system protection, modern low-voltage switchgear and MCC system, the system of reserve power, medium voltage systems, etc., is important in task of ensuring operational readiness and availability.

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Digital Transformation

In order to stay competitive, companies are opting for new approaches in addressing problems and increasing business efficiency. Digital transformation provides such improvements but requires a comprehensive approach (technology, organization / people, processes) in order to be truly successful. Many companies are interested in opportunities and seek partners for realization of their digital transformation strategies. In that engineering we follow modern trends and participate in partnership in Digital Transformation projects from the point of view of the integration of the management system

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Industrial Cybersecurity as a component of business security

Cybernetic security in industrial systems is completely different than IT cybernetic security because of different priorities in these two fields and therefore requires completely different profile of experts. Ultimately, both groups of experts combine the results of their work into a single entity with a purpose of effectiv protection of the company from potential cyber threats and the ability to quickly and safely recover the system in an incident.



SIEMENS Certified Solution Partner Automation

  • Advanced Factory Automation
  • Industrial Communications
  • Process Control System SIMATIC PCS 7
  • Process Instrumentation

SIEMENS Certified Technology Partner - franchise

  • SIVACON S8 certificirani niskonaponski sustav 7000 A u skladu s IEC61439-1/2

ABB control system education

  • ABB control system 800 xa

KONČAR energy SCADA partnership

  • ProzaNET

JOSIP JURAJ STROSSMAYER UNIVERSITY OF OSIJEK - Faculty of Electrical Engineering, Computer Science and Information Technology Osijek, Croatia

CSIA membership:

ATO Engineering is a certified member of Contorl System Integrators Association (CSIA) since March 2019.
CSIA is the strongest global association in the area of system automation integration
Founded in 1994, the Control System Integrators Association (CSIA) is a not-for-profit, global trade association that seeks to advance the industry of control system integration. Control system integrators use their engineering, technical and business skills to help manufacturers and others automate their industrial equipment and systems. CSIA helps its members to improve their business skills, provides a forum for sharing industry expertise, and promotes the benefits of hiring a certified control system integrator. CSIA has over 500 member companies in 40 countries.



  • Simatic
  • WinCC
  • PCS7
  • Teleperm XP
  • T3000

Allen Bradley:

  • SLC
  • Micrologix
  • RS View


  • 800xa


  • Eplan
  • Autocad
  • SeeElectrical-CADDy


  • Intellution Fix
  • Wonderware Intouch
  • Lookout
  • Brewmaxx ProLeiT
  • PROZANet


  • Croatia
  • Slovenia
  • Bosnia and Herzegovina
  • Kosovo
  • Montenegro
  • Russia
  • Ukraine
  • Saudi Arabia
  • Israel
  • France
  • Ethiopia
  • Nigeria

Business Management System Policy