FIG Corporate Members

Derinsu Underwater Engineering Ltd.

At a Glance

Derinsu is a highly specialized Underwater Engineering and Offshore Services company that provides services in Marine Survey, Marine Engineering, Marine Construction, Offshore Energy, Marine Environment and Subsea Defense and Security sectors.
Derinsu’s geotechnical, Oceanographic and Environmental Surveys and Professional Diving Services for underwater inspection, monitoring, construction support as well as providing engineering and design solutions for all marine and coastal structures.

Derinsu makes every effort to provide world quality service to its customers while strictly obeying health, safety and environmental rules. One of the main objectives is to provide engineering services requiring high technology and special expertise as a leader in Turkey.

Derinsu’s Quality Policy

Derinsu strives to be a leading company in the international arena of Advanced Underwater Engineering, Offshore and Near Shore Hydrography, Oceanography, Geophysical, Geotechnical Surveying, Underwater Inspections and Professional Diving Services while utilizing up to date technology with high skilled engineers and an effective Quality Management System to comply with client requirements. DERINSU is committed to maintain highly satisfied external and internal customers.

Derinsu’s Objectives

  • Meet or exceed Customer needs and expectations for all the services requested and supply high quality products and support.
  • Target the fastest service delivery to minimize the delay time and provide First Time Customer Acceptance.
  • Provide highest employee satisfaction.
  • Utilize up to date technology by attending international exhibitions with showcases, presentations and technical papers showcasing  the latest technology products.
  • Utilize highly skilled engineers by attending training programs about the services, equipments and software’s utilized by DERINSU.

Derinsu was founded in 1998, and has been involved in nearly all of Turkey’s major projects in the Marine Engineering sector such as MARMARAY Immersed Tunnel Project, NABUCCO Pipeline System Marmara Sea Crossing, and many other Port Development and Energy Projects.

Founded 1998

Nilgün Sok. 5/1 Kavaklidere
Ankara 06680
Tel. +90 312 467 3670
Fax +90 312 467 3671
E-mail derinsu[at]

Major Industries  
Joined FIG 2007