
CSS Technology is a strategy-driven technology and consulting organization dedicated to developing sustainable, scalable, and high-impact solutions for modern cities and institutions.
With a strong foundation in engineering, systems thinking, and long-term strategic planning, CSS Technology delivers innovative projects that address today’s most complex urban, infrastructural, and societal challenges.
To contribute to the creation of smarter, more efficient, and more livable cities by delivering globally applicable solutions that combine technology, strategy, and human-centered design.
CSS Technology aims to be a trusted long-term partner for governments, institutions, and private organizations shaping the future.
Each project is approached with analytical depth, operational discipline, and institutional responsibility.
CSS Technology develops solutions designed to be implemented across major metropolitan regions worldwide.
Our models prioritize:
We believe that impactful projects must not only solve current problems but also establish resilient systems for the future.
We invite forward-thinking institutions, public authorities, and strategic partners to collaborate with us in shaping sustainable urban futures.
Let us succeed together.
Through shared vision, structured cooperation, and mutual trust, CSS Technology transforms complex challenges into lasting solutions.
CSS Technology stands at the intersection of strategy, engineering, and responsibility.
Our work is not defined by short-term visibility, but by long-term contribution.
Because real value lies in delivering the right solution, at the right time, for humanity.

Celil Sert
Founder | Strategic Consultant | Electrical Engineer (YTU 1997)
Chamber of Electrical Engineers SMM Registration Number:24579
CSS Technology Consulting Engineering Contracting Ltd. Co.
Founder (2024 -current) | Mersis Number: 0215067043100001
Sert Engineering Electric Electronic Computer Ltd. Co.
Founder | Partner (1997-2024) | Biga V.D. Number: 7630083313
His professional expertise spans:
Mr. Sert leads projects that integrate engineering precision with strategic vision, focusing on sustainable, scalable, and globally applicable solutions.
Copyright © 1997-2025. - CSS Technology Consulting Engineering Contracting Co. Ltd. - All rights reserved.
Mersis No: 0215067043100001