4C Offshore
4C Offshore is a market intelligence and data platform for the offshore wind, power, and submarine cable industries, now part of TGS.
Last updated September 26, 2026
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Overview
4C Offshore is a data provider and insight platform focused on the offshore wind industry, offshore power, and submarine cable projects. It is known for supplying exclusive data, analysis, and market intelligence to companies operating in or investing in offshore renewable energy. The brand operates as part of TGS, a global energy data and intelligence company, and its platform is presented under the TGS 4C name. Its offerings include subscription-based access to databases, mapping and Geographic Information System (GIS) tools, live dashboards, and sector-specific insights covering offshore wind farm development and related infrastructure. The platform serves a global market, with customers including developers, utilities, investors, supply chain companies, and consultancies that need reliable project and market data. 4C Offshore's core value proposition is the combination of exclusive offshore wind and submarine cable data with analytical tools that help users track projects, understand market dynamics, and make informed decisions. The brand's website and subscription products emphasize offshore wind renewables, power, and submarine cable projects, positioning it as a leading insight platform in those niches.
History
4C Offshore was established as a specialist data provider for the offshore wind industry, building a reputation for exclusive project data and market analysis. Over time, it expanded its coverage to include offshore power and submarine cable projects, becoming a reference point for companies tracking offshore renewable energy development. The brand is now part of TGS, a global energy data and intelligence company. Under TGS ownership, the platform is marketed as TGS 4C and continues to offer subscription-based data, mapping and GIS tools, and live dashboards. The official website describes it as 'the leading insight platform with exclusive data & analysis for offshore wind renewables, power & submarine cable projects.' Its GIS and mapping subscription provides spatial data and dashboards for the offshore wind farm sector. The brand's history reflects the growth of the offshore wind market itself, as demand for reliable project intelligence has increased globally.
Products and positioning
Leading insight platform with exclusive data and analysis for offshore wind renewables, power, and submarine cable projects.
4C Offshore Insight Platform
Subscription-based platform providing exclusive data and analysis for offshore wind renewables, power, and submarine cable projects.
GIS Spatial Data Subscription
Mapping and Geographic Information System (GIS) service for the offshore wind farm sector, including data, insights, and live dashboards.
Recent events
TGS acquires 4C Offshore[4]
Reported:
TGS announced that it had acquired 4C Offshore, a market intelligence and consultancy firm serving the offshore wind industry.
Sources4 sources
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