Certificate image coming soon
Contractor Authorization Certificate
Republic of Türkiye Ministry of Environment, Urbanisation and Climate Change
The statutory qualification showing the class and value of building works we may undertake.
Hands-on experience on Istanbul metro projectsBuildings · Roads · Landscaping · Rail SystemsPartner to municipalities, public bodies and contractors
Services
Four disciplines. Each from drawing to site.
01
Building Construction
Public buildings, administrative and social facilities, structural and finishing works, managed end to end.
02
Roads & Infrastructure
Road, junction and pavement construction, superstructure and infrastructure works, planned around traffic and site safety.
03
Landscaping
Parks, squares, pedestrian routes and social spaces: hardscape, lighting and planting works.
04
Rail Systems & Metro
Precise, safe and on-time works under heavy constraints, backed by experience on metro and rail projects.
- Building
- Road
- Landscape
- Rail
ÇELİKRAY SHEET 01/04 FRONT ELEVATION SCHEMATIC
Approach
A small team with big-project discipline.
Metro standard
The strict quality, safety and schedule discipline of rail projects is how we run every job.
Direct contact
You work directly with decision makers. Transparent communication, fast replies, clear accountability.
Safe site
Health and safety is part of the work, planned and run in line with legal requirements.
Planned delivery
Programme, resource plan and payment process are agreed upfront; milestones are tracked.
Certificates
Trust starts with documents.
The core qualification documents required in public tenders.
Certificate image coming soon
ISO 9001 Quality Management
Accredited certification body
Shows our works and processes run within a defined, traceable and continually improved quality system.
References
Reference projects coming soon.
We will publish completed and ongoing projects as short case pages. For reference details, please get in touch.
Get a quote for your project.
Share the scope and timeline; we will reply promptly.