Leading Global Market Research and Intelligence for Offshore Renewable Energy

Through on-demand market intelligence powered by the 4C Offshore platform, TGS offers comprehensive datasets, insight and support for the complete lifecycle of global offshore wind projects and cable consultancy services. Over recent decades, we’ve built unique product offerings and an unrivaled database, serving offshore energy developers, supply chains, investors and governments worldwide.

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Empowering Offshore Wind Intelligence

We contribute to the global energy transition as a leading provider of strategic market intelligence and consulting services to the flourishing offshore renewable energy and subsea power cables sectors. Together, we create value for subscribers by providing them with the market knowledge and insights needed for tactical and strategic decision-making.


Offshore Wind Projects


Countries Covered


Data Intelligence Subscription


Years of Providing Reliable Data

Offshore Wind Intelligence Products

Access an unrivaled breadth and depth of data from across the offshore wind industry and beyond. Stay up to date with trusted market intelligence delivered to you when and how you need it. Make informed, data-driven decisions.

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Subsea Cable & Pipeline

Having an experienced consultant is vital for your project, especially to help mitigate issues raised by design, installation and operation. From project feasibility to investment cases, route engineering, installation, operations or maintenance, our expert marine consultants specialize in submarine cable and pipeline.

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Market Consultancy

We provide highly detailed, accurate, and expert analysis of the offshore wind industry. With fact-based answers to complex questions and full access to the most comprehensive database, our offshore consultancy services will support the growth of your business by allowing you to make informed investment decisions.

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The 4C Offshore Intelligence Web App

The 4C Offshore Intelligence Web App

Access the information you need in the detail and format that you need via our web app. Content includes extensive statistics and exclusive webinars, charts and interactive maps.

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Offshore Market Intelligence Services

Sign up now to reveal the full potential of 4C Offshore market intelligence, including enterprise and premium membership options and a diverse range of specialized intelligence modules.

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Global Offshore Wind Farms

Global Offshore Wind Farms

Extensive insights into offshore wind farm projects across the globe.

Offshore Wind Turbines Market Intelligence Services

Offshore Wind Turbines

Detailed information on over 289 offshore wind turbine models, dimensions and wind speeds.

Offshore Transmission & Cables

Offshore Transmission & Cables

Access subsea cables intelligence for offshore wind, interconnector projects and transmission.

Offshore Wind Logistics

Offshore Wind Logistics

Discover unique insights about global vessel supply and demand, project development and ports.

Construction and Heavy Maintenance

Construction and Heavy Maintenance

Analysis on component trends for turbines, installation vessels, specifications and supply & demand.

Mapping & GIS

Mapping & GIS

Access information and geospatial data on global offshore wind farm boundaries.

What Our Customers Say

"The database has become an invaluable tool with regard to business planning and the regular updates from the 4C Offshore team on the project specifics ensure that, as a tier 1 supplier, we remain well informed and able to react to market developments."

NKT Cables

"A very useful tool to get good reliable information regularly without requiring someone in our organisation to spend a lot of time gathering data."

Windcat Workboats

"We are using the reports extensively and have built an updated business plan."

Oceanteam Shipping

Latest News

Port of Blyth transforms into premier tech hub with private 5G Innovation Lab
24 July 2024
Filed under: General, Ports

The Port of Blyth is poised to become the North East’s leading technology hub with the introduction of a private 5G network-enabled Innovation Lab, a groundbreaking project aimed at boosting regional access to advanced 5G technology.

The Crown Estate reports record £1.1 billion net revenue profit for 2023/24
24 July 2024
Filed under: General, Windfarms

The Crown Estate has announced a record-breaking net revenue profit of £1.1 billion for the 2023/24 financial year, marking an impressive £658.1 million increase from the previous year.

Fugro commences geotechnical surveys for Dogger Bank South offshore wind farm
24 July 2024
Filed under: Equipment, General, Mapping & GIS, Vessels

Fugro has embarked on a significant geotechnical survey project for the proposed Dogger Bank South (DBS) West offshore wind farm.