TGS | Powered by 4C Offshore

4C is now TGS

We are excited to announce a significant milestone in 4C Offshore's journey. Our integration into the TGS family marks the beginning of a new era in offshore wind market intelligence.

Learn what this means for you!

Market Leading Intelligence for Global Offshore Renewable Energy Markets

We offer comprehensive offshore market intelligence services to ensure that our clients are able to review the widest possible range of supply chain offers in real time.

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Intelligence Services

We know that the offshore sector doesn't sleep. Staying on top of the waves of information is near impossible; which is why we created the 4C Offshore WebApp. Our offshore wind consulting intelligence software will give you access to our panel of experts - we'll provide you with an extensive range of information in various written and visual formats.

Offshore Wind Intelligence Products & Services

We help you understand the global offshore wind market and enable you to make informed decisions to select the most competitive and appropriate contract to meet your specific needs.


Submarine Cable & Pipeline

Whether you're starting at project feasibility, through to investment cases, route engineering, installation, operations or maintenance; we offer you marine consultants who specialise in submarine cable and pipeline. Having an experienced consultant is vital for you project, for helping mitigate issues raised by design, installation and operation.

Market Consultancy

Knowledge of the global offshore energy industry will support the growth of your business by allowing you to make better investment decisions. Our offshore consultancy services provide you with fact-based answers to hard questions and full access to the most comprehensive data set meaning we provide you with highly detailed, accurate, and expert analysis of the offshore wind industry.


Offshore Market Intelligence Services

Sign up now to reveal the full potential of your subscription

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Global Offshore Wind Farms

Obtain details on over 3259 offshore wind farms in 60 countries, geopolitical reports, new technologies, developers, over 5113 stakeholders, project development timelines, and 46072 contracts.

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Offshore Wind Turbines

Full access provided details on over 289 Offshore wind turbine models, where they are being deployed, manufacturer distribution and market sizes, installers and foundation suppliers.

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Offshore Transmission & Cables

With full access you get analysis and insight of the global offshore electricity market, with details on offshore wind covering over 3259 projects and 759 offshore electricity interconnectors. Reports throughout the year complete with charts, graphs, online databases, the news and updates.

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Offshore Wind Logistics

With full access you can forecast market growth complete with detailed future Crew Transfer vessels (CTV) and Service Operations Vessels (SOV) demand, using comprehensive reports, interactive online charts, graphs and news. Get details on over 723 CTVs and 165 SOVs.

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Construction & Heavy Maintenance

Get full access to the vessel contract timeline tool, interact with graphs and charts directly linked to the 4C database covering 753 vessels actively supporting construction and heavy maintenance for Offshore wind projects. See vessels operating in the field and details of the turbine locations they are working on with regular news and reports throughout the year.

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Mapping & GIS

Ensure your organisation stays up to date with your online charts and maps by obtaining full access.

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Choose Your Plan

Supercharge your business with our subscription plan


Gain limited access for 1 user
  • Get additional online functionality and features
  • Receive daily, weekly or montly updates & news
  • Limited access to database
  • Search for wind farm or vessel
  • View the interactive map
  • Start the journey
Sign Up For Free Here