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EIT Ltd is a trusted commercial plumbing and gas engineering company known for delivering safe, compliant, and dependable mechanical services to businesses and public sector organisations. We understand how critical reliable plumbing and gas systems are to the day-to-day operation of commercial buildings, which is why our team focuses on keeping everything running efficiently, safely, and in line with current regulations.
Our experienced commercial plumbing and gas engineers handle everything from plant rooms and commercial boiler systems to gas pipework, plumbing and heating services, and full commercial gas system installations. Whether it’s a new installation, routine maintenance, or urgent repair, every job is carried out by Gas Safe-registered engineers who prioritise safety, performance, and minimal disruption.
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Written by: John Lee, Mechanical, Gas Services & Plumbing Manager
40+ years in commercial mechanical, plumbing and gas services
Compliance-led delivery with high H&S standards
Fault-finding, repair and planned maintenance for commercial systems
Last reviewed: 3 February 2026
Commercial plumbing and gas engineers play a vital role in keeping commercial and industrial buildings running safely and efficiently. From installing new systems to carrying out maintenance and repairs, their work supports essential services such as heating, hot water, gas supply, and drainage – ensuring everything operates as it should day in, day out.
Our team delivers reliable plumbing heating services tailored to the needs of each site. This includes pipework installation, commercial boiler servicing, gas safety inspections, and system upgrades. We work closely with facility managers, building owners, and contractors to make sure all systems meet current safety standards and compliance requirements without disrupting daily operations.
We offer a complete range of commercial plumbing services designed to support businesses of all sizes. Our engineers are trained to handle both new installations and ongoing maintenance, ensuring your plumbing and gas infrastructure remains reliable and compliant.
From system design and installation to inspection and repair, our services cover all aspects of gas plumbing services and commercial heating systems.
We work on occupied sites where downtime must be minimised and works must be planned carefully. Our approach prioritises safety, coordination, and clear communication with site teams.
Our commercial plumbing contractors deliver professional plumbing solutions tailored to the needs of commercial buildings. We install, maintain, and repair hot and cold water systems, pipework, drainage systems, and plant room equipment.
Our plumbing services cover:
Where required, our engineers also support tightness testing and purging following pipework alterations, pressure loss events, or recommissioning works, ensuring systems are safe before being returned to service.
Our qualified commercial gas engineers provide specialist gas plumbing services for businesses across multiple sectors. We work on a wide range of commercial gas appliances, heating systems, and pipework installations.
Services include:
Commercial gas appliance installation
Gas system servicing and maintenance
Gas leak detection and repairs
Commercial kitchen gas systems
Compliance checks and safety inspections
Our commercial mechanical services are designed to support the safe, efficient, and compliant operation of building systems across a wide range of commercial environments. We provide complete mechanical solutions, covering installation, maintenance, and repair of plumbing, heating, and gas systems tailored to your building requirements.
Our commercial mechanical services in Teesside include:
Choosing professional commercial plumbing and gas engineers ensures your systems are safe, compliant, and reliable. They deliver expert installation and maintenance, reduce downtime, and quickly resolve issues before they escalate. With tailored solutions and Gas Safe compliance, they help protect your business while saving costs in the long run.
Maintaining safe and compliant gas systems is essential for any commercial property. Our commercial gas engineers are qualified to work on a wide range of non-domestic gas appliances and installations. This includes heating plant, catering equipment, and associated gas pipework in plant rooms and kitchens.
Commercial boilers are central to heating and hot water provision in many buildings, and failures can have serious operational consequences. We deliver end-to-end commercial boiler installation and servicing, tailored to each site’s size, use, and risk profile.
We work with businesses across Teesside to install new systems, service existing equipment, and carry out regular safety checks. Our goal is to help you remain compliant while maintaining reliable heating and gas infrastructure.
Regular inspections are essential to ensure commercial gas systems remain safe and compliant. Our team provides professional commercial gas inspection services in Teesside, helping businesses meet regulatory requirements.
We provide:
Gas safety certification and reporting
We understand that gas safety is a critical risk area for duty holders. Our engineers work methodically, documenting findings clearly and highlighting any issues that require attention so clients can make informed decisions.
Commercial boilers play a critical role in providing heating and hot water for many businesses. Our engineers install, service, and maintain commercial boilers to ensure they operate efficiently and reliably.
Our services include:
We also advise on maintenance intervals, water quality, and system condition to help reduce unplanned failures and extend asset life.
Gas pipework must be installed and maintained correctly to ensure safe and efficient gas distribution within commercial properties. Our engineers specialize in installing, upgrading, and testing commercial gas pipework systems.
We work on both new developments and existing systems, providing reliable gas plumbing services designed to meet industry standards and safety regulations.
Gas pipework works require careful planning and execution to ensure safety and compliance. We carry out commercial pipework installation, alterations, and extensions, followed by appropriate testing and purging procedures.
Gas tightness testing is an essential procedure used to verify that a gas pipework system is safe and free from leaks. Our commercial gas engineers carry out detailed testing procedures to confirm system integrity.
Tightness testing and purging may be required:
Our engineers follow recognized industry standards and provide clear confirmation when systems are safe to return to service.
Our engineers install and modify commercial gas pipework systems for a wide range of applications. Whether you are upgrading existing infrastructure or installing a new gas supply system, we ensure all work is completed safely and efficiently.
Tightness testing and purging may be required:
Our engineers follow recognized industry standards and provide clear confirmation when systems are safe to return to service.
For sites with commercial kitchens, gas safety requirements are more complex. We support catering gas installations, including the inspection and maintenance of gas interlock systems that protect staff and buildings.
Gas interlocks are designed to ensure the gas supply is only available when ventilation is operating correctly. We work with facilities and compliance teams to ensure systems function as intended and meet current standards.
Tightness testing and purging may be required:
We put our clients at the heart of everything we do. Whether a new installation or an emergency repair, our team works closely with you to ensure your business operations continue without interruption. We listen to your needs and customise our services to match your requirements.
We pride ourselves on completing every project efficiently and to the highest standards. Our team uses the latest tools and techniques to ensure minimal disruption during installation or repair, focusing on keeping your business running smoothly.
Our skilled and experienced team delivers top-quality mechanical, plumbing and gas services. With a deep understanding of industry standards, we ensure every project is handled professionally and efficiently, offering clear, transparent pricing and precise solutions tailored to your needs.
Mechanical and gas faults rarely occur at convenient times. We provide responsive support for reactive call-outs, including leak response, boiler faults, and plant room issues that threaten building operation or safety.
Common issues we address include:
Our focus is always on safe isolation, accurate diagnosis, and permanent repair rather than repeated temporary fixes.
Our commercial plumbing and gas engineers work across a wide range of sectors, including:
Each sector presents distinct risks and priorities, and our approach reflects the operational realities of each environment.
Whether you’re installing new systems or maintaining existing ones, we ensure your facilities operate at peak efficiency. Let us do the hard work so you can focus on what matters most – your business.
Choosing experienced commercial plumbing contractors ensures your building systems remain reliable, safe, and compliant. Our team combines technical expertise with industry certifications to deliver high-quality plumbing heating services for businesses.
We offer:
When we inspect a plant room or gas installation, we document findings clearly and prioritise actions by risk. That gives clients the information they need to make confident decisions - and keep sites safe and compliant.
Responsibility usually sits with the duty holder or organisation in control of the premises, not the gas contractor. If gas appliances or pipework are unsafe, poorly maintained, or inadequately documented, enforcement action and liability typically fall on the building operator.
Contractors support compliance, but responsibility for ensuring gas safety cannot be passed on.
Delaying servicing increases the risk of breakdowns, unsafe operation, and non-compliance. Commercial boilers and gas systems operate under higher loads than domestic systems, and small issues can escalate quickly.
Missed maintenance also weakens your position with insurers and regulators in the event of a failure or incident.
Compliance is demonstrated through evidence, not assumptions. This includes up-to-date service records, safety inspection reports, tightness test results, and clear documentation of any remedial actions.
If records are incomplete or unclear, the system may be considered non-compliant even if it appears to be operating normally.
The main difference is the scale, complexity, and regulations involved.
In many cases, yes. Experienced commercial engineers plan works around occupancy, operational hours, and critical services.
Phased isolations, temporary measures, and clear coordination can significantly reduce disruption.
Unplanned shutdowns are far more common when systems are poorly documented or maintained reactively.
Commercial systems are more complex, higher risk, and subject to stricter expectations. Commercial engineers understand plant rooms, multi-appliance systems, compliance documentation, and duty holder responsibilities.
Using contractors without commercial experience increases the risk of unsafe work, poor records, and compliance gaps.
If you are responsible for plumbing or gas systems in a commercial building and need reliable support, our team can help. Whether you require installation, servicing, planned maintenance, or urgent fault response, we will provide clear advice and professional delivery.