Company Profile
Our Identity
The company was founded in 1980 by Christos Besiris and Naoum Passias. During our course, we successfully completed a large number of complex construction projects of all scales. We have continuously evolved through innovative solutions and practices while consolidating our position and recognition in the engineering and construction industry.
A value present in every stage of our work. We build relationships of trust and reliability with our partners and clients.
Continuous training gives us the edge to make a difference. It ensures that we remain at the forefront of construction industry developments.
It is the key foundation for delivering complex projects. At the same time, it offers solutions that combine quality, durability, and safety.
Our vision is to lead the construction industry, not necessarily in size, but always offering specialized and sustainable solutions. We want to create projects that combine quality, innovation, and resilience, contributing to the development of the engineering sector and the well-being of the society we represent.
Execution of integrated, reliable, and innovative construction solutions tailored to the needs of our customers. This is our mission. Through our continuous development, we aim to deliver high-quality projects that always respect safety and sustainability standards.
Building a Meaningful Identity
In a constantly evolving environment, it is essential to know who you are and where you belong, what you do, and where you want to go. Our vision is to build a better future together with respect and responsibility. Our goal is to provide high-quality services and contribute to sustainable development. Our focus is on people!
For us, success is continuous contribution and value creation. We owe it to our people who are by our side. We stay true to our values and vision.
Naum Passias, CEO
We’ve reached today, investing in our colleagues, equipment, and partnerships
With more than four decades in the construction industry, we bring the utmost dedication to every project with professionalism and expertise. Continiously with a sense of respect toward our people, the environment, our partners, and the perspective of all of us.
1980
Foundation of TES SA by Christos Besiris and Naoum Passias.
1985
Undertaking and construction of public and private construction projects in the broader region of Central Macedonia.
1988
TES undertakes its 1st railway project with Hellenic Railways Organization as the developer.
1990
Start of TES activities throughout Greece. The company shows dynamic and continuous development and expansion of its activities in various public and private construction sectors.
2002
TES undertakes its first electricity network project with the Hellenic Electricity Distribution Network Operator as the main developer.
2004
The company implements the ISO 9001:2000 Quality Management System throughout its activities.
2010
ICAP certification “Strongest Companies in Greece.” As a consortium member, TES undertakes the construction and operation for 30 years of the Underground Car Parking Station of Serres.
2017
Implementation certification of Quality Management System ELOT EN ISO 9001:2015. Implementation certification of Occupational Health and Safety Management System ELOT 1801:2008/OHSAS 18001:2007. Implementation certification of Environmental Management Systems ELOT EN ISO 14001:2015.
2019
TES, as a member of a consortium, undertakes the construction of the Serres Water Refinery and the Emmanuel Pappas Municipality Wastewater Treatment Plant, acquiring expertise in the construction, maintenance, and operation of environmental facilities.
We’ve reached today, investing in our colleagues, equipment, and partnerships
With more than four decades in the construction industry, we bring the utmost dedication to every project with professionalism and expertise. Continiously with a sense of respect toward our people, the environment, our partners, and the perspective of all of us.
1980
Foundation of TES SA by Christos Besiris and Naoum Passias.
1985
Undertaking and construction of public and private construction projects in the broader region of Central Macedonia.
1988
TES undertakes its 1st railway project with Hellenic Railways Organization as the developer.
1990
Start of TES activities throughout Greece. The company shows dynamic and continuous development and expansion of its activities in various public and private construction sectors.
2002
TES undertakes its first electricity network project with the Hellenic Electricity Distribution Network Operator as the main developer.
2004
The company implements the ISO 9001:2000 Quality Management System throughout its activities.
2010
ICAP certification “Strongest Companies in Greece.” As a consortium member, TES undertakes the construction and operation for 30 years of the Underground Car Parking Station of Serres.
2017
Implementation certification of Quality Management System ELOT EN ISO 9001:2015. Implementation certification of Occupational Health and Safety Management System ELOT 1801:2008/OHSAS 18001:2007. Implementation certification of Environmental Management Systems ELOT EN ISO 14001:2015.
2019
