Consulting, Advisory Services, and Project Planning OKİ Engineering
OKİ Engineering provides consultancy, technical advisory and project design services, supporting projects from planning through implementation. It develops tailored solutions to help deliver projects through sound planning and efficient execution.
THE BIRSOY GROUP
One roof, strong affiliates.
From electrical engineering to building projects: the brands that make up the Birsoy Group.

THE BIRSOY GROUP
Shared values, different expertise.
The Birsoy Group brings its employees, customers, suppliers, affiliates and all business partners together under one purpose.
The brands that make up our group carry our quarter-century of experience and our “Unlimited service, uninterrupted energy” approach into different fields.
OUR AFFILIATESThe brands
The brands
that make up our group.
Electrical Engineering and Contracting Birsoy Mühendislik
The group’s parent company: Birsoy Engineering provides engineering and contracting services for power transmission lines, transformer installations, industrial electrical systems and infrastructure projects. Its comprehensive services cover design, installation, testing and commissioning, along with 24/7 fault response, maintenance and repair. Explore ↗
Building projects Birsoy Engineering Construction
Residential and building projects whose progress is tracked live on the site. Explore ↗
Consulting, Advisory Services, and Project Planning OKİ Engineering
OKİ Engineering provides consultancy, technical advisory and project design services, supporting projects from planning through implementation. It develops tailored solutions to help deliver projects through sound planning and efficient execution.