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Hold Engineering Ltd
Safely delivering fabrication, installation and site services

About Us

At Hold Engineering Ltd, we have established a strong reputation for the successful delivery of fabrication, on-site installation and decommissioning services in the nuclear industry. With over 30 years’ experience on the Sellafield site, we have detailed knowledge of operating within the controls and regulations of a nuclear licensed site. Our highly trained team are local to West Cumbria and have worked within our business for many years, bringing stability to the company and the services we offer.


Our project and fabrication teams are based within two miles of the Sellafield site and possess a number of skill sets, including project management, quality inspection, manufacturing design, fabrication, erection and trialling. Our site team are based on the Sellafield site full-time and complement our off-site services through the provision of site management and supervision, on-site surveying, welders, platers, steel erectors and decommissioning operatives.


We have developed a reputation for working proactively with our clients to fully understand their requirements and promptly responding to the challenges of working within a dynamic project environment. Our quality management system is certified to ISO 9001:2015 and has been refined to ensure our quality, inspection and LTQR documentation is aligned to Sellafield’s standards and expectations. We also have in-house capability for the CE marking of our fabrications in accordance with BS EN 1090.

"Our vision is to be the subcontractor of choice on the Sellafield site"

Capability and Resources

We have carried out works across all areas of the Sellafield site, in both clean and radiologically hazardous areas, and provide a wide range of services.


Our manufacturing team possess a diverse set of fabrication skills and experience in areas including structural steel, high-pressure pipe spool manufacture, and workshop and site coded welding.

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Our site erection team have carried out structural and mechanical installation works across all areas of the Sellafield site, in both clean and radiologically hazardous areas.

Site Engineering

We offer site engineering resources to accurately set out, line and level using total stations, digital levels and other precision measuring equipment.


Project Management

Our project management team drive our projects forward, ensuring tasks are completed in a safe and timely manner and the client’s expectations are met.

Concept Proposals

We have an in-house AutoCAD technician that can convert the collected site data into concept proposals, fabrication drawings, lift plans and setting out data.

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We have an experienced quality engineer compiling material certificates and procedures, dimensionally checking and testing in order to produce LTR packs, and ensuring product accuracy and conformity, as well as swift project closeout.


Our estimating team work hard to capture all aspects of the scope and produce an accurate tender programme, proposal summary and price breakdown.

NIS Group of Companies

Hold Engineering Ltd is part of the NIS Group of Companies; all of which are based in the North West of England.

Contact Us


The Energy Coast Business Park



CA22 2NH


01946 727325


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