Otaishan Consulting Engineers (OCE) is a multidisciplinary professional engineers, architects, planners and engineers, which was founded in 1991 by Dr. Abdul Aziz bin Turki Otaishan. OCE is today one of the leading engineering consultancy in the Kingdom of Saudi Arabia, the Gulf States and the Middle East, which consists of from more than 320 employees to form a team of professionals, technical and administrative staff.

Over the past eighteen years, OCE successfully undertaken in the design and supervision of a large number of planning the distinguished master, and projects of architecture, has been developed in the process of considerable experience in conceptual design, engineering, and supervision to enable them to participate in many local and international competitions .

Understanding the need for professional services, and OCE home under one roof specialized departments that provide architectural and engineering design, project management, interior design and construction management, environmental engineering and traffic studies and geographic information system (GIS), value engineering and arbitration Servicess. all of which are managed by professionals Highly qualified in this area must be recognition as a premier provider of the highest quality of integrated services engineering consultancy in the region.