Thursday, September 10, 2026
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SubCtech GmbH

  • control systems
  • Ocean/ Marine Services-Leak Detection & sealing
  • marine systems
  • Oceanography
  • Systems Integration
  • Renewables
  • Ocean Observation
  • Oil & Gas
  • Science & Research-Robotics
  • Gas Hydrates
  • ROVs
  • Water Measurement, Sampling
  • Profiling Systems
  • Consultancy Services
  • Subsea Production Systems
  • Maritime Security
  • Oceanology
  • Marine Science
  • Electrical Components-Batteries
  • Rental Equipment
  • Aquaculture
  • Electrical Components-Sensors
  • Data Acquisition/Management

SubCtech’s (”Subsea Technologies for the Marine Environment”) team already has more than 30 years of experience in the subsea and marine technology. Today, with 70+ employees, the company is still privately owned. We offer underwater technologies, subsea solutions and ocean monitoring systems. We find solutions in close collaboration with our clients – in the industry, in science and offshore oil+gas. Li-Ion batteries, e.g. pCO2 analyzers and system solutions are our core products and one-stop service.

Locations

Kiel Germany

Wellseedamm 1-3
Kiel Schleswig-Holstein 24145
Germany

Contacts

 
Stefan Marx , Managing Director
 
Sören Johannsen , COO, Marketing Manager
 
Stefan Schlünß , Project Director Subsea Power

Products

Underwater batteries

Subsea battery systems

Ocean Monitoring systems

August marks the annual hydrographic e-magazine and the opportunity to highlight some of the global research underway in our world’s oceans. We explore hydrographic data, climate simulations, subsea networks and cybersecurity, camera technology, autonomous operations, sonar and survey solutions, as well as ROVs.
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