Quality without compromise
Investing in specialist capability, systems, and people to support safe, reliable project delivery
Our solutions
Whether it’s planned maintenance, major refurbishment, or complex shutdown support, our teams deliver hands-on expertise where it matters most.
By keeping all key skills in-house, we bring precision, safety, and high standards to every project, perform reliably, even in the toughest environments providing our customers with the confidence they need .
Integrated expertise
Coriant houses multiple specialist businesses and brands under one Group delivering integrated, end-to-end solutions across engineering, design, delivery, maintenance, and innovation.
With everything connected under one roof, customers benefit from faster delivery, seamless coordination, consistent quality, and experienced teams that understand their assets at every stage of the lifecycle.
Access
We provide a highly proactive and fully integrated access capability, delivering innovative specialist access, rope access, and traditional scaffold solutions for complex access challenges across a broad range of industrial sectors.
Automated Inconel Overlay
Coriant offers a unique and bespoke service to protect heater, boiler and furnace assets and to improve performance and reliability. Our weld overlay solutions, are designed to enhance the service life of our client’s assets, reducing failures and improving operational availability.
Engineering & Inspection
Our structural engineering capability covers the full lifecycle of asset integrity and performance. We deliver detailed structural assessments for both new and existing infrastructure, applying advanced analytical methods to evaluate load paths, deterioration mechanisms, and compliance with current standards.
Flare Stack
Our flare stack maintenance capability is built around delivering safe, engineered solutions for some of the most challenging elevated systems in industry. We specialise in full flare tip replacement without the need for helicopters or barge‑mounted cranes, utilising purpose‑designed lifting frame to execute these operations with precision, control and significantly reduced logistical complexity.
Industrial Chimneys.
Expertise in the inspection, maintenance and repair of industrial steel, concrete and brick chimneys. Via a world‑class structural engineering team, we carry out detailed condition assessments, structural analysis, and the full spectrum of design and execution activities required to maintain asset integrity and operational safety.
Mechanical
The full spectrum of mechanical and engineering capabilities that support the safe, efficient and reliable operation of complex industrial assets. Supporting everything from boiler and heavy‑machinery solutions to equipment installations, backed by comprehensive engineering, repair and maintenance services.
Offshore
Industry‑leading offshore flare tip replacement solutions, built around engineered innovation and specialist access expertise. We hve pioneered the development of a purpose‑designed lifting frame that transforms the way flare tips are replaced offshore and, where applicable, onshore.
Valves
Provides round‑the‑clock expertise to support the full spectrum of valve maintenance and operational requirements. With decades of industry experience, we deliver reliable, engineering‑led solutions to the fossil, nuclear, energy‑from‑waste, oil, gas and petrochemical sectors.
Welding
Our specialist control valve team provides round‑the‑clock expertise to support the full spectrum of your valve maintenance and operational requirements. With decades of industry experience, we deliver reliable, engineering‑led solutions to the fossil, nuclear, energy‑from‑waste, oil, gas and petrochemical sectors.
Our Brands
Operating through multiple specialist brands, Coriant combines sector expertise with a coordinated approach, giving customers a single trusted partner while preserving the unique strengths of each business.
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Rainham
Specialist industrial services that support and maintain large industrial plants and building infrastructure.
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TEI
A leading UK engineering construction organisation in the power generation and petrochemical industries.
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Zenith
Multi-disciplined access, maintenance and repair. Focused on innovation, combined with engineering, and design excellence
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SCA
A specialist access scaffolding and temporary containment provider servicing projects across the UK from a network of locations.
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Control Valve Services
Providing an independent specialist control valve maintenance service across international blue chip clients
Our integrated approach enables clients to streamline delivery, reduce downtime and maintain the integrity and reliability of their most important assets
