Specialising in the renewable energy sector, Correll are a global leader in the provision of electrical engineering, installation and maintenance services; including High Voltage, Low Voltage & Fibre Optic Electrical Engineering, Control Room Asset Monitoring, HV Safety Rules, Construction Support and Service Operations and Maintenance.

Correll is part of SPIE Group, the independent European leader in multi-technical services in the areas of energy and communications, following the acquisition in December 2023. Correll belong to SPIE Global Services Energy, the international subsidiary of the SPIE Group present in 23 countries in Europe, Africa, Asia Pacific, the Middle East and North America. SPIE Global Services Energy operates across the entire energy production infrastructure value chain, from design to maintenance.

Our head office is in the North East of England, with additional offices and operational bases strategically located in Europe, Asia and the USA to support global offshore wind projects.​

The Group have executed many offshore wind projects, working on many of the most significant wind farms across the UK, Europe, Asia, and most recently in the emerging US offshore market. With access to over 440 highly qualified technicians through our main operational hubs in UK, USA and Taiwan, the business presents a strong and substantial offering to the offshore renewable energy sector.

The Correll Group operate under 3 separate business units, all complimented by additional support offerings.

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