About Us

Sey Metal

SEY METAL specializes in equipment and custom manufacturing for construction, energy, and all industrial sectors. Additionally, the company aims to undertake steel structure construction for all industries and continues its successful services in this field.

SEY METAL provides all solutions needed by its customers in the design, manufacturing, and assembly processes in the most suitable manner according to quality standards.

Throughout the project, SEY METAL not only remains a manufacturer but also takes on the role of a solution partner.

Quality, timing, and cost optimization are the fundamental philosophies of SEY METAL in all projects.


Our working strategy, which will meet customer satisfaction at the highest level with our young and dynamic team and stable quality understanding, is to manage our competitive growth potential in the best way. Employment of human resources with mutual trust and respect, and providing high-quality manufacturing, assembly, and customer satisfaction within the framework of optimal solutions are our goals.

SEY METAL, which adopts quality as a way of life and preserves integrity and trust as its most important values, has established its name among the respected companies in the industry with its management approach based on the principle of “respect for people” since its establishment. Everything at SEY METAL, from employment to operation, is shaped around vision and ethical values.

SEY METAL, without compromising on quality, aims to achieve its goal of creating permanent works by creating differences in the tasks it undertakes, in areas such as Steel Construction, Tunnel Formworks, Defense Industry Technologies, Industrial Facilities and Equipments, and so on.

Our goal and awareness are to continue working towards becoming one of the most reliable companies that set standards in terms of productivity, quality, and occupational and employee safety in the Steel Construction, Tunnel Formwork, Defense Industry Technologies, Industrial Facilities and Equipments sectors. We carry the responsibility and consciousness of building important milestones in our country with the projects we develop in the light of pioneering, entrepreneurial spirit, and exemplary designs, both in the world and in our country.

Our Quality Control Standards and International Certification

Each unit of SEY METAL is organized to increase customer satisfaction and meet their needs in the best possible way. This organization has been certified with ISO 9001, ISO 3834-2, EN1090-2 Exc3, and TS EN 15085-2:2008 {EN 15085-2:2007) certificates from internationally accredited organizations.

With our educated and qualified employees and our independent quality system, we maintain our customers’ needs and expectations at the highest level in the field of steel structure design, manufacturing, and assembly. We closely follow the changing technological developments of the day to provide high-quality, safe, reliable, and cost-effective products and ensure customer satisfaction with our quality service. Our company is constantly audited by TUV-AUSTURIA at 12-month intervals, and our quality control unit provides services in accordance with the requirements of the following standards:

  • Material Acceptance Control (Material Specifications, Visual and Quantity Control, Verification with Material Certificate, EN 10058:2020, EN ISO 2560:2020, EN 10029, TS EN 3623 EN 12536:2003 standards)
  • Surface Inspection After Sandblasting (TS EN ISO 8503-1; EN 8501-1)
  • Welding Procedure Control (WPS/PQR: TS EN 15609-1 and TS EN 15614 standards)
  • Welder Qualification Control (WQT: TS EN 9606-1 and TS EN 14732 Welder and Welding Operator Certification)

Wind Tunnel

Wind tunnel production tailored to your project and needs

Structural Steel

Steel construction assembly for your needs.

Tunnel Formworks

Formwork equipment for tunnel construction or the construction of underground facilities..


Steel project design for the construction and engineering sector.

Sey Metal

Get a Quote

Contact our AR&GE team immediately to become our solution partner.