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ILIDA Consulting Engineers SA has been active since 1997 in the preparation of studies for public works and the provision of Technical Consultant services to central government, local authorities and the private sector.

Headquartered in Chavari, Ilia, with central offices in Nea Ionia, Attica, we cover the full life cycle of a project: from initial design, permitting and maturation studies, through tender documents, to construction support and operation.

1997year of establishment
26categories of design licences
321units of design capacity
6certified ISO management systems
01

We design projects that stay with their place

We pursue high-quality technical solutions that contribute effectively to development and build long-term, stable relationships of trust with the authorities we serve. Our work is organised in nine fields: hydraulic works, environment and sustainable development, surveying and GIS, National Cadastre studies, spatial and urban planning, architectural works, regenerations, transportation projects, and project management / Technical Consultant services.

Beyond Greece, we have carried out design and supervision in Cyprus (Paphos, Paralimni – Protaras) and a geotechnical study for refinery facilities in Romania.

Every study is a commitment to a place and its people — delivered with technical excellence, reliability and respect for the public interest.
02

Our history

The company began operating in 1997 in Chavari, Ilia, initially as “S. Liaros & Co.”, and since 2016 has operated as a société anonyme engineering consultancy under the name “ILIDA CONSULTING ENGINEERS SA”.

Since 2005 it has maintained a branch in Nea Ionia, Attica, housed in a privately owned 2,000 m² bioclimatic building. The building was recognised and praised for its pioneering bioclimatic design — heating, cooling and lighting through passive energy systems (newspaper “TA NEA”, energy feature, 24.11.2007 · Ministry of Development “Competitiveness” programme).

ILIDA office building, Nea Ionia
ILIDA office building, Nea Ionia — bioclimatic design with passive systems.

Our commitment to energy efficiency, which started with our own office building, is today certified under ISO 50001.

03

Our team & technology

Our strength is an interdisciplinary team that examines every project from all angles at once:

  • Architects
  • Civil engineers
  • Rural & surveying engineers
  • Electrical & mechanical engineers
  • Geologists
  • Agronomists
  • Foresters
  • Spatial planners
  • Environmental engineers

Tools & methods

  • Geographic Information Systems (GIS)
  • Satellite geodesy
  • Photogrammetry & remote sensing
  • UAV (drone) orthophotos & DSM
  • 3D laser-scanner surveys
  • Modern design software
04

Certified Management Systems

We operate an Integrated Management System certified by accredited bodies (Bureau Veritas Certification, AXIA CERT) to six international standards. Quality certification has been maintained continuously since 2008.

ISO 9001:2015Quality ManagementBureau Veritas · since 2008
ISO 14001:2015Environmental ManagementBureau Veritas · since 2018
ISO 45001:2018Occupational Health & SafetyBureau Veritas · since 2020
ISO/IEC 27001:2023Information SecurityAXIA CERT · since 2021
ISO 22301:2019Business ContinuityAXIA CERT · since 2022
ISO 50001:2018Energy ManagementAXIA CERT · since 2026

Our commitments

  1. Studies and services of high technical quality, in line with the requirements of clients and the regulatory framework.
  2. Protection of the environment and reduction of our energy footprint.
  3. A safe and healthy working environment for all.
  4. Confidentiality, integrity and availability of project and client data.
  5. Continuity of our services under any circumstances.
  6. Continuous staff training and continual improvement through internal audits and management reviews.

The scope covers all of the company’s design disciplines and its Technical Consultant services.

Company Profile 2026 (PDF)Code of Conduct (PDF, in Greek)

05 · Registry of Design Firms · Reg. No. 469

Design licences

We hold design licences in 26 categories of studies (Law 3316/2005 – PD 138/2009), with a total design capacity of 321 units. Top-class (E) categories are highlighted.

Cat.Field of studyClassCapacity
01Spatial & Regulatory PlanningD21
02Urban & Town PlanningE20
03Economic StudiesA9
04Social StudiesA7
05Organisation & Operational ResearchA18
06Architectural (Buildings)E23
07Special ArchitecturalE16
08StructuralE18
09ElectromechanicalE15
10TransportationE19
11Port WorksA6
12Transport MeansA4
13HydraulicE24
14EnergyB7
15IndustrialA4
16SurveyingE17
17Chemical & ResearchA1
18Chemical Engineering & Chemical InstallationsC4
20Geological, Hydrogeological & GeophysicalD11
21GeotechnicalE18
22Soil ScienceA2
23AgriculturalC5
24ForestryC5
25Landscape / PlantingC8
27EnvironmentalE37
28IT Systems & NetworksA2
Total — 26 categories321 units
06

Memberships & partnerships

We are registered in the Greek Registry of Design Firms (Reg. No. 469) and are members of the Hellenic Association of Consulting Firms (SEGM) and the Association of Geoinformatics & Cadastre Companies.

We work with established engineering offices in Patras, Pyrgos, Zakynthos and Trikala, giving us a local presence for projects across the country.

See our projectsContact us

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