One contractor, one contract, one warranty
Fifth Season designs and builds facade systems, glazing and outdoor spaces for residential, commercial and investor-grade projects — with one team, one process, and full responsibility from concept to installation.

Sunay Nazmi
Founder and Managing Director

Sinan Mehmed
Technical Director

Stanislav Chernev
Technical Associate

Behind Fifth Season
"I started Fifth Season because Bulgaria lacked a contractor that designed, manufactured and installed under one roof."
Behind every completed project is years of experience, a clear vision, and full responsibility from the first drawing to the final installation. My goal is for Fifth Season to be the partner investors and architects trust for long-term solutions.
Read the full story on ForbesS. N.
Sunay Nazmi
Founder and Managing Director
The partners we build with







What sets us apart?
We work as one partner — from concept to final installation. No subcontractors, no transfer of responsibility, full control over quality and timing.
Our approach is architectural. Every solution responds to the project's vision, the function of the space, and long-term performance.
We deliver projects in Bulgaria and across Europe. The same execution standard applies — regardless of scale, building type, or location.
A process without compromise
Four steps, one team, one point of accountability.
Step 01
Consultation
We analyse the project, the site and the vision to build a solution with the right systems and function.
Step 02
Design
Architectural and engineering documentation with detail design, material specs and technical coordination.
Step 03
Manufacturing
Precision fabrication of aluminium and glass systems with rigorous quality control on every detail.
Step 04
Installation
Certified installation team with attention to every detail and real-world operating conditions.
Who we work with
01
Investors
Projects with long-term value, clear timelines and one accountable partner.
02
Architecture studios
A technical partner that turns concept into a built solution.
03
Hotels and restaurants
Outdoor spaces that work year-round — comfort, capacity, presentation.
04
Private projects
Bespoke solutions for modern homes — pergolas, glazing, winter gardens.

