Our markets
de-risking and optimizing your marine projects

The marine environment is highly complex by nature. G-TEC’s teams are determined to support developers, contractors, public authorities, consultants and any other marine players with the ambition to de-risk and optimize your project during any stage of its life cycle.

Offshore Energy

Complete geosciences services for the offshore renewables and oil & gas industry.

Infrastructure & Dredging

Geophysical and GIS services for a wide variety of marine civil and dredging works.

Geographical footprint 

from inshore to offshore, G-TEC is active in all continents to support your development and project in, and close to the water

Relying on more than 30 years of international experience, G-TEC will propose a solution based on expertise, state-of-the-art equipment, and the right nautical means


multi-disciplinary teams with high-level of education and expertise. We understand your needs and come up with tailor-made solutions.


the right equipment for your project: the best assets on the market; off the shelves or custom built.


big or small, owned or chartered, surface or underwater, autonomous or crew-operated: we always offer the most suitable marine asset to optimize quality, time and costs.

Your lifecycle,
our solutions

Our (combined) geophysics and GIS services cover the full lifecycle of your development or project.

Planning & Design

Construction & Decommissioning

Operation & Maintenance

Want to know more about our solutions? Check our Case Studies