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About Us

John Tracey Specialist Welding Limited are a Glasgow based welding-fabrication company specialising in the fabrication and welding of industrial pipeline services and specialist welding fabrication work for the offshore and onshore industries in Aluminium, Stainless Steel, Super Duplex, Titanium and Carbon Steel Pipework to X-ray standards ISO15614-2 and ASME IX. We are now certified by DNV GL to Quality Management ISO 9001:2015, Environmental Management ISO 14001:2015 and Occupational Health and Safety ISO 45001:2018.

JTSW Welder with Accreditation (website resize)

John Tracey Specialist Welding Ltd has been a long standing business within the welding industry for over 28 years, with a superb reputation and a high quality of workmanship.

John Tracey himself has been in business for over 30 years. Beginning as a young apprentice at the age of 17 in Babcocks,

John, once qualified, worked his way to owning one of the top Welding businesses in Scotland.

He began working in Specialist Welding, and after a few years established himself as a partner in the company, ultimately becoming the sole owner.

Combinging his profound knowledge and experience John founded John Tracey Specialist Welding Ltd, allowing John to create one of the few welding businesses in Scotland to provide fabrication and welding of industrial pipeline services and specialist fabrication work for the offshore and onshore industries.

John Tracey Specialist Welding Ltd has a renowned reputation in the UK and Internationally, having worked in Switzerland, Holland, France, Spain, Norway, Ireland and Lybia.



Services within scope of JTSW

Pipework Fabrications

All fabrication and site installations can be undertaken in all materials i.e. Carbon Steels, Stainless and Super Duplex as well as Aluminium in all sizes, wall thicknesses and diameter.

JTSW Installations

We can cost and supply all materials with certification and on completion of works supply N. D. T. package and weld maps included in our quality control documentation.


All welding personnel are qualified to ISO15614-2 and tested to our own in-house weld procedures using SMAW, GTAW, MIG and FLUX CORE welding.

Contract Work

JTSW can supply supervisors and other working personnel for short or long term contracts in the UK or abroad on Day Rate.

Sea Fastenings

JTSW has for a number of years carried out contract work all over the United Kingdom, France and Norway, on behalf of British and European companies

Testing & Training

John Tracey Specialist Welding Limited provide a comprehensive welder testing service for companies and individuals who require performance qualifications in line with International Standards.

All personnel meeting the companys exacting requirements are issued with a unique examination and identity certificate. Test results are made available for endorsement and certification by recognised authorities such as Lloyd Register, D. N. V. and A. O. T. C.

John Tracey Welding Specialist Limited training courses are also provided and are structured to give maximum practical benefit to candidates. Instructors, who themselves have experience in worldwide environments and are qualified to ASME. IX and BS ISO15614-2 and welder qualifications to BSEN287 standards to give personal attention to each trainee and thus develop require skills to meet the most exacting requirements in industry.


We can provide CE Marketing testing and training and are a completely independent company with a sound technical awareness of modern quality assurance requirements for international oil, gas and petrochemical industries. Our welding capabilities provide in-depth research from parent material and consumable selection for metallurgical compatibility, to procedural test runs and mechanical testing of welding procedures qualified with charpy testing to -60 degrees.

To date John Tracey Specialist Welding Ltd/Special Welding Services have tested over 18,000 welder tests in all Pipe and Plate using inner shield Flux Core, GTAW and SMAW welding processes, for the onshore, offshore industry over the last thirty years.


Contact Us

Contact Address

John Tracey Welding Ltd
F8, Westway Business Park,
Porterfield Rd,
Renfrew PA4 8DJ

0141 885 4144


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“John Tracey Specialist Welding Limited, nationwide welding and fabrication specialist.”

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