Site Heat Treatment Services Ltd · Company 01597335 · Trading heritage since 1982
Active, accounts up to date·subcontractor & supplier·Head office Port Talbot
Site Heat-Treatment Services Limited, established in March 1982, is a specialist company in thermal engineering, focusing on heat treatment services. Operating from Port Talbot, South Wales, the company offers both on-site (in situ) and furnace heat treatment. They cater to a wide range of clients, including those in the oil refinery, petrochemical, and power plant sectors, as well as fabrication, construction, and engineering companies.
Their services extend to offshore projects and include specialized hydrogen bake-out heat treatment. The company is structured to respond quickly to client demands for both large and small projects, whether for new construction or maintenance shutdowns. Their team of experienced personnel is proficient in various heat treatment techniques and applications, including preheating and post-weld heat treatment for pipework, pressure vessels, and fabricated structures.
Site Heat-Treatment Services Limited holds BS EN ISO 9001:2015 accreditation, emphasizing their commitment to quality assurance and professional, efficient project handling. They offer a comprehensive range of services including annealing, normalising, solution heat treatment, and stress relieving, utilizing both electrical and gas methods. Their Port Talbot facility houses furnaces for batch heat treatments, complementing their on-site capabilities.
The company also provides equipment hire for weld preheating and post-weld heat treatment, aiming to deliver services to the highest possible standards.
In 2008, Site Heat - treatment Services was awarded a major contract for the supply of heat treatment engineering services for heat treatment on an Acid Settler Vessel at Valero Energy Limited Pembroke Refinery following an initial feasibility study.
Client · Valero Energy Limited
Site Heat - treatment Services Limited have just successfully completed another major heat treatment project at one of our client's premises. This heat treatment project differs from most as both electrical and gas methods were used which is a rare and a complex procedure.
Valero Energy Limited.
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Specialists in heat treatment, thermal engineering, and furnace treatments in South Wales and beyond. Established 1982. Their listed services include M&E contracting.
Site Heat Treatment Services Ltd is registered at Units 1 & 2 Henshaw Street Industrial Estate, Port Talbot, SA12 6NH, in Wales.
Site Heat Treatment Services Ltd states that it works across Overseas.
Accounts filed for the year to 2025 report 9 employees, which places the company in the 1-9 employees band.
Companies House lists Site Heat Treatment Services Ltd as active, with accounts most recently made up to 2025-03-31.
Site Heat Treatment Services Ltd displays ISO 9001, ISNetworld, Key Safety Solutions, SafeContractor, South Wales Chamber of Commerce and Federation of Small Businesses on its website.
Site Heat Treatment Services Ltd works in Industrial and Energy.
Site Heat Treatment Services Ltd was incorporated on 1981-11-12, though the company says it has traded since 1982.
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