HighTechDiver

Specialized Underwater Solutions for Ships Ports & Structures 

About us
Over than 15 years of experience in underwater operations our team of skilled divers specializes in a variety of underwater tasks. We ensure the highest underwater service satisfying every need, from inspections to repairs.  Our company collaborates with the most experienced and skilled underwater engineers and technical equipment specialists in the industry. Each member of our team has the knowledge & experience to complete any challenge may require in the underwater environment. You can rely on us for any quality successful underwater operation needed.
   HighTechDiver delivers reliable, high-precision underwater services, supporting complex projects in ports, marinas, and marine infrastructure. With expertise in high-pressure underwater operations and advanced diving techniques, we provide solutions that combine safety, performance, and long-term durability.Hull Cleaning – High Precision & Performance
We offer professional underwater hull cleaning services that enhance vessel hydrodynamic efficiency and reduce fuel consumption, all without the need for dry docking.Specialization in Port Projects & Marine Infrastructure
We support port projects and marine infrastructure with specialized underwater services, ranging from detailed inspections to structural repair works in demanding environments.Submarine Pipelines – Underwater Construction & Repair
We undertake the installation, inspection, and repair of submarine pipelines, applying modern subsea construction methods and operating in full compliance with international safety standards.Underwater Inspections
We conduct thorough underwater inspections for vessels, port facilities, and industrial marine structures, providing accurate condition assessments and structural integrity evaluations.With experienced personnel, certified commercial divers, and advanced equipment, HighTechDiver is a trusted partner for underwater projects that demand precision, technical expertise, and absolute reliability below the surface.

Hull Cleaning High Precision & Performance

Hull Cleaning High Precision & Performance

✅ Underwater hull cleaning. ✅ Propeller diamond polishing or cleaning. ✅ Cleaning of sea chests. ✅ Usage of appropriate power tools for hull cleaning. Our advanced diver-operated cleaning technology allows us to perform thorough underwater hull cleaning on vessels of all types and sizes. We efficiently clean vertical sides, flat bottoms, curved surfaces, and hard-to-reach niche areas. Our specialized equipment is designed to remove all forms of marine fouling while preserving the integrity of the hull’s protective coatings. With precision and care, we enhance vessel performance and fuel efficiency. Our team ensures every cleaning operation is conducted safely and effectively.

Specialization in Port Projects

Specialization in Port Projects

✅Port construction and construction site support ✅Underwater repairs of concrete & metal elements ✅Cleaning of port infrastructure and seabed ✅Removal of marine sediments and debris ✅Underwater inspections of port structures ✅Soundings & visual inspections ✅Maintenance of moorings, anchors and chains ✅Technical support in marinas & fishing shelters Our expert diving team now specializes in building and repairing docks in ports, ensuring strong and long-lasting structures. We use high-quality materials and advanced techniques to deliver exceptional results. Whether you need a new dock or repairs on an existing one. Safety, efficiency, and durability are our top priorities in every project we undertake. With years of experience in underwater construction, we guarantee reliable and cost-effective solutions.

Marine Infrastructure Experts: Submarine Pipelines

Marine Infrastructure Experts: Submarine Pipelines

✅ Pipeline Installation & Repair We support the installation of oil, gas, and water pipelines — with accurate alignment, underwater welding, and real-time video inspections. ✅ Seabed Survey & Preparation Using divers and sonar, we assess the terrain before laying pipelines or foundations. ✅ Underwater Welding & Cutting For complex infrastructure work, we offer high-quality wet welding solutions, ideal for permanent repairs. our divers handle high-pressure tasks below the surface. At HighTechDiver, we specialize in advanced underwater operations, supporting submarine pipeline installation, inspection, and repair. Our certified commercial diving team works closely with engineering firms, port authorities, and offshore operators to ensure safety, precision, and long-term performance.

Underwater Construction and Repair

Underwater Construction and Repair

✅ Repair of propeller, rudder and damaged or corroded hull ✅ Underwater welding and cutting high specification. ✅ Replacement of anodes and metal patch. ✅ Usage of cofferdam if needed for hull repairs. We offer propeller and rudder repairs, as well as restoration of damaged or corroded hulls, intervening specifically at the point of damage.We perform ultrasonic measurements to accurately check the thickness and condition of metals, ensuring the early diagnosis of potential problems. In addition, we undertake the replacement of anodes to protect the vessel from corrosion, as well as applying a sealing ring where required, offering effective and durable solutions to hull repairs. Our work is carried out to the highest quality standards, reducing downtime and overall maintenance costs.

Underwater Inspections

Underwater Inspections

✅Underwater inspection of hull and all submerged parts ✅Issue of report with video and / or photos for class and / or owners. ✅ underwater distance measurements for propeller shaft and rudder pin tail shaft wear. ✅underwater ultrasonic thickness measurements. ✅We provide accurate object and anchor retrieval. Our highly skilled divers use advanced techniques to assess conditions and identify potential issues. With years of experience, we deliver precise evaluations and comprehensive reports. Our inspections help ensure the safety, stability, and longevity of underwater structures and ships. Based on our findings, we offer expert recommendations for necessary cleaning , diamond polishing, repairs and maintenance. Trust our team for reliable underwater assessments that support your u/w projects.


  • Καλλιπόλεως, Keratsini, Greece

Contact Us 24/7 – Fast Deployment Available Need urgent underwater services or a quote for your project? We’re here to help – anywhere in Greece and the Mediterranean.