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Project and construction management.

Land and hydrographical survey capability.

A thorough understanding of all the methods, materials and options available.

We are frequently engaged to conduct feasibility studies.

Engineering of an outfall or intake system, including hydraulic, stability and diffuser orintake head design.

A construction & diving vessel , diving support vessel, catamaran work vessel, mooring boat and crewboat.

Highly professional staff and technicians able to work around the world; often in remoteor difficult locations.


BTT Marine Services has been undergoing growth and expansion in recent years and its activities cover a wide range of diving services in the following fields:

  • Underwater Cutting and Welding.

  • Underwater Photography.

  • Underwater Survey.

  • Underwater Demolition.

  • Underwater Construction.


We are committed to ensuring the safety of our employees and the people on which we have an impact. Our Safety, Health, Environment and Quality (SHEQ) Department provides help and advice to employees and customers.

BTT Marine offers a safe and sustainable working environment and provides a continuous


  • Industry standard complete diving equipment

  • Underwater CCTV

  • Underwater Telephony

  • Decompression Chamber

  • Underwater cutting & welding equipment

  • Underwater power tools

  • Cable Laying Equipment

  • Diving and Diving Support Vessels



BTT MARINE was founded in 2008 as underwater engineering and contracting company specialized in underwater and on water services, provides also underwater project management, auditing, training, besides showing ultimate attention to health and safety at work, and being an innovative company giving services in the following fields:

  • Ship Husbandry & Salvage

  • In Water Survey & Inspection

  • Underwater Repairs

  • Marine Civil Engineering

  • Offshore Engineering

  • Marine Environmental

  • Floating Plant & Equipment

  • Moorings & Mooring Equipment

We are well known for our professionalism and the quality of our work and this is the tradition we aim to retain. We will work with our customers to provide the solutions which best meet the needs of the project, mitigate the environmental impact and overcome the technical challenges to bring about a safe and effective result.

About Us




BTT Denizcilik

İnşaat ve Sualtı Hizmetleri Tic. Ltd. Şti.

Headquarters :

Esenyalı Mah. Yanyol Cad. No: 61/177 

Varyap Plaza Pendik İstanbul - TURKEY

Tel :  +90 216 494 51 98

         +90 216 494 51 99

Fax : +90 216 494 52 02

Workshop :

Güzelyalı Mah. Yeni Türkü Sk.

No: 15 Pendik İstanbul - TURKEY

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