YESTI was founded in 1992 by E. Murat PEKEL. Throughout these 28 years, YESTI has built an outstanding team, many of whom have worked with us for more than 20 years. With a quarter-century of experience, we got involved in many prestigious projects in and outside of Turkey and got chance to cooperate with many reputable & esteemed companies.


Our principal areas of operation are:


* Geosynthetics& Environmental Projects

* Construction (Concrete & Steel Works)

* Modular Buildings & Containers


Thanks to its solution /customer oriented approach and with help of its team work attitude YESTI has managed to developlong term relationship with its clients and delivered quality projects safely, on time, and within budget. Thus, YESTI has becomea company providing services in three continents.


We are also glad to anounce that YESTI has been awarded the following International Standards certifications as well as local certifications showing our commitment towards sustainability:


* ISO 9001 - Quality Management System

* ISO 14001 – Environmental Management System

* OHSAS 18001- Occupational Health & Safety Management System


As we strive for exceeding the expectations of our customers along with our expertise and commitment to innovation, quality, and integrity we will be pleased to offer you tailor made, purpose-fit solutions.

Our vısıon

It is the corporate vision of YESTİ GROUP to satisfy ensure the satisfaction of our clients, by leading the industry in our main activity areas (geosynthetic isolation, construction and prefabricated structures) with our open for improvement and environment-friendly management philosophy and in that framework, to implement world-class projects with our innovative applications.

Our mıssıon

It is the corporate mission of YESTİ GROUP to monitor the improvements in our main activity areas and to maintain the flow of information in parallel with these developments and to share these information with our employees, contractors, suppliers and the general public, in line with the wishes and requirements of our clients.