For over 25 years, we've been delivering complex construction projects with confidence, providing solutions that improve the way spaces function and help people perform at their best.
Since 2012, we have been helping homeowners improve their everyday living through smart, energy-efficient solutions that reduce operating costs and increase the long-term value of their properties.

NEXT LEVEL is a technical construction company specializing in the construction, reconstruction, and renovation of commercial, industrial and residential properties, as well as mechanical and electrical (M&E) installations.
With more than 25 years of experience, we have successfully delivered projects across industry, logistics, hospitality, and commercial environments, meeting demanding technical and operational requirements.
HOW WE
WORK
We never shy away from complexity.
25+ years of experience in technically
demanding construction projects.
We know our materials inside out.
Extensive expertise in materials and construction techniques.
We don't like surprises.
Effective cost control for maximum return on investment.
We see challenges as opportunities.
Durable solutions for complex projects.
We believe time
is valuable.
That's why we honor every deadline.
The NEXT LEVEL team consists of engineers and specialised professionals with experience in demanding construction and technical projects.
We combine experience with a fresh perspective, creating a dynamic environment where know-how and growth coexist. We believe in equal opportunities and invest in people who want to grow, take ownership and contribute meaningfully to every project.
Our culture is built on collaboration, accountability and continuous improvement, ensuring that every project is delivered with consistency, precision and a shared focus on results.

THEODOROS MERTZIMEKISFounder NEXT LEVEL,
Mechanical Engineer, Aristotle University of Thessaloniki
I approach every project with an engineering mindset and a strong focus on practical implementation. By combining technical knowledge with close collaboration across every stage of construction, I contribute to delivering projects that are functional, reliable and built to last.ACHILLEAS MERTZIMEKISMechanical Engineer AUTh
I provide legal support throughout every stage of our projects, ensuring that each collaboration is built on clarity, compliance and legal certainty. I believe trust is established through transparency, consistency and responsible legal guidance.MARIA MERTZIMEKILegal Counsel,
LL.B. AUTh, Attorney at Law
I specialize in managing Exoikonomo programmes and coordinating residential energy upgrade projects. My goal is to ensure that every project progresses smoothly through careful planning, technical accuracy and continuous client support—from the initial application to successful completion.MARIA NENADICivil Engineer AUTh
For more than 15 years, I have been working in strategic and digital marketing, helping businesses build meaningful relationships with their audiences. At NEXT LEVEL, my goal is to ensure that every point of communication reflects our values and the quality of the services we provide.EFROSYNI ZACHARIAMarketing & Communications,
Economist AUTh
My experience in customer service and retail operations has taught me that clear communication is the foundation of every successful collaboration. At NEXT LEVEL, I make sure every client feels supported, informed and confident throughout every stage of their project.KALLIOPI KATSOUGIANNIClient Support,
Mathematician AUTh
My experience in corporate accounting and the management of subsidised programmes, including Exoikonomo and ESPA initiatives, allows me to ensure the smooth financial and administrative management of every project. I believe that consistency, organisation and accuracy are essential to the successful delivery of every collaboration.MATINA LYRIHead of Accounting,
Economist AUTh
My professional experience has been built around the design and delivery of industrial projects, with a particular specialization in steel buildings and structural steel construction. I believe every successful project begins with thoughtful design and is completed through solutions that combine technical precision, functionality and long-term durability.DIMITRIS PANAGIOTAKOPOULOSArchitect Engineer AUTh
Working on site requires organisation, accountability and constant attention to detail. I oversee the day-to-day execution of every project, ensuring that construction progresses according to schedule, technical specifications and the quality standards that define NEXT LEVEL.GIANNIS SIMOUSite Supervisor
Our certifications confirm our commitment to quality, safety and the reliable delivery of every project. They are part of an organised way of working that ensures high standards at every stage of construction.










