Z GROUP‘s objects of expertise are: Technical Electromechanical Issues, Traffic Accidents, Environmental Accidents, Risk Management.

More specifically:

Technical Electromechanical Issues

Estimation of constructions and facilities, measurements of E/M work techniques, identification of poor workmanship and estimation of the way and costs of restoration, explanation of technical issues (material failures, wrong way of applying materials, etc.), checking of the proper application of technical specifications and terms in constructions, determination of the development stage of the project, proper operation of facilities and machinery, noise or pollution control of the facilities, etc.

Traffic accidents

Compilation of a report and an autopsy plan, analysis of technical data, analysis of vehicle manuals, study of technical records and combination of the above, with deep knowledge of Physics and Engineering Laws.

Environmental Accidents

Environmental Management, Environmental Inspections for Insurance Use, Diagnostic Environmental Studies, Installation of Environmental Management Systems (ISO 14001), Installation of Energy Management Systems (ISO 50001).

Risk Management

Expertise, Risk Inspection, Business Consulting.


Expertise Structure

  • Definition of the Expert
  • Summary of the Object (description of the topics for which an opinion was requested)
  • Autopsies, Contact History between the parties involved (details are given – including the relevant dates – about the communication actions between the parties involved, their responses, the autopsy dates etc.).
  • The views of the parties involved (the views of each party involved are indicated, on any controversial issue as well as the relevant data submitted).
  • Technical description (description of the findings of the Expert during autopsies).
  • Conclusion (the questions posed by the applicant are clearly answered and if there are any unanswered questions, the reasons why they were not answered are listed).


Dimitrios Zarras: Certifications

  • Certified Energy Auditor (Registration Number 678)
  • Mechanical Engineer NTUA (TEE-TCG (Technical Chamber of Greece) Registration Number 118210),
  • Energy Inspector (Registration Number 15100),
  • A’ Class Studier (categories: 9/ E/M, 27/ Environment),
  • Expert at Athens Court of First Instance and Piraeus Court of First Instance in: E/M, Traffic Accidents-Air Accidents, Environmental Disasters.


Z GROUP is certified to EN ISO 9001: 2008, ΕΝ ISO 14001:2015, OHSAS 18001:2007, ISO 22301:2012, EN ISO 27001:2013, ISO 50001:2011.

For further information or assignment of expertise, please contact Z GROUP in the official contact details.