“We have both the capability and capacity to cater for large scale projects and have formed a reputation for delivering advanced-welding solutions at a highly competitive rate without compromising on quality.”

Karl Dean – Head of Welding

Reputation for Excellence

The Welding division offers a service that is unrivalled within the rail sector and has a reputation for delivering high productivity rates. The senior management team has over 100 years’ experience in the rail welding sector assisting in the delivery of high profile projects across the UK. Our superior client relationships have been created on a foundation of honesty and trust and have led to the Welding division being the longest-serving Network Rail (NWR) welding sub-contractor. We deliver over 9,000 welds each year with 99% of all welds being approved the first time.

Highly Skilled and Experienced Welders

We employ over 70 highly skilled and experienced welders, which are split into teams, located in Alnwick, Doncaster, Newport, Romford and Stoke-on-Trent. Our commitment to training and development means we are currently training staff as Level 1-3 Stressing officers. This competency provides individuals with the knowledge and practical skills to be able to stress all types of rail within the rail industry.

Welding Services

We can provide the following welding services:

  • All aspects of Aluminothermic welding: RT 1-4 and TW 1-5 including extensive experience welding inner-city tram systems and crane rail
  • Aluminothermic weld inspection
  • Manual Metal Arc [MMA]: MMA 1-5
  • Oxy/Acetylene and Oxy/Propane burning of rails and structures
  • RCF grinding teams with GSM’s
  • SO53/54 Switch & Crossing grinding and Inspection
  • Verse Testing – a non-destructive way to measure the Stress-Free Temperature (SFT) of Continuously Welded Rail (CWR) and ensure management of track buckling and rail break risk

Contact Welding Division

Contact us today on 0330 113 0004 to find out more about our Welding services. Our experienced team, led by Karl Dean, are available to discuss your next project.

Send an Enquiry

Welding Enquiry Form
Meet the Expert

Karl Dean
Head of Welding

Karl is Head of Welding and leads a very successful team of over 70 highly skilled and experienced welders. Karl's ongoing commitment to training and development, the latest welding techniques and the highest standards means his team are always in high demand to assist in the delivery of high profile projects across the UK. He is particularly proud that his division delivers over 9,000 welds each year with 99% of all welds approved the first time.

Meet the Expert
Latest Brochure

Increasing safety and productivity through innovative welding solutions.

5648 welds cast at an industry leading success rate of 99.52% with an average of 32 x burning shifts completed each week.

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Reliable. Trustworthy. Proven

To ensure that the company has both the capability and capacity to be able to cater for large-scale projects, the organisation has invested extensively in training and developing fully qualified teams, who together have formed a reputation for driving performance, increasing productivity and delivering advanced-welding solutions at a highly competitive rate without compromising on quality. Click the play button to discover more.


“RSSI personnel who were involved with the works at Northam had to work through some of the worst weather conditions I have seen and continued to keep spirits high and had a fantastic work attitude allowing for the project to continue.”

Chris Courtenay – Signalling Supervisor (Infrastructure) for Colas Rail

“Thanks to RSSI we are on top of all movements every day with nothing outstanding. ”

Ryan Steel – Field Engineer (OLE England) at Amey

“RSSI assisted in the cable running shifts, preparation work including changeovers of the 8 x track circuits and the 10c, 27c and 4 x 48c lineside cables. Their quality of work, attitude and work ethic has been absolutely spot on. ”

Dan Palmer – Installation and Construction Engineer at Carillion Signalling

“Being able to work during the day with trains still running is fantastic for team fatigue. The use of an ATWS installed for the duration makes the job even safer and removes the need for Lookouts. Thanks to the guys from RSSI for installing and managing for us.”

Robert Woods – Senior Project Manager at Amey

“The RSSI personnel who worked on the Bilston Road Track Renewal project have been exceptional and played a major part in ensuring the works were completed on time and to budget.”

Paul Brown – Project Director for Midland Metro Alliance

“The De-Veg works that the Arboriculture team undertook was to a very high standard, the site looks 100% better and everybody my end is really happy with the service you provided. ”

Jamie Gibbons – Site Manager for S&C Alliance

“I have had a good walk along the fence line and I am very happy with the work carried out. All the over hanging trees and Limbs have been removed. Very good work. ”

Mike Gibson – Terminal Manager for Associated British Ports

Infrastructure Solutions

  • Rail Operations
  • Track Warning Services
  • Welding
  • Signalling Services
  • Resource & Recruitment
  • Construction & Civils
  • Magnetic Track Safety Solutions
  • Track Access & Lighting
  • Vegetation Management
View Solutions

Selected News

RSS Infrastructure Win ‘Pioneering Equality’ Award

RSS Infrastructure Ltd (RSSI) has been awarded the Social Value for Future Generations award in the Social Value Portal 2021 Awards.

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Principal Contractor Licence Awarded to RSS Infrastructure

The Principal Contractor Licence is a highly sought-after accreditation in the rail industry, as it demonstrates a company’s ability to manage and coordinate works on the rail infrastructure safely and efficiently. The process of assessment and award for this licence is rigorous, as the safety of workers and the general public is of utmost importance..

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What is HAVS monitoring?

HAVS monitoring is a method of measuring and tracking the health of employees exposed to whole-body vibration. This type of monitoring can help identify potential health hazards early on before they become a severe problem. HAVS monitoring (Hand Arm Vibration Syndrome) is essential to any safety program for workers exposed to whole-body vibration. By measuring..

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RSS Infrastructure

RSS Infrastructure are focused on increasing productivity and improving safety across the UK’s infrastructure. By working with you, as your trusted partner, we will provide a range of tailored infrastructure services and safety products you can count on.



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