Commercial Electrical Contractors
As a trusted team of commercial electrical contractors, we deliver reliable and fully compliant commercial electrical services for businesses across Teesside and the UK. Our commercial electrical company specializes in commercial electrical installation, system upgrades, and ongoing maintenance to support safe and efficient operations.
Whether you need expert electrical installation services, support with existing systems, or dependable commercial electrical maintenance in Teesside, our experienced contractors provide tailored solutions designed for performance, safety, and compliance.
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Written by: Nick Rafferty, Electrical Services & Business Development Manager
24+ years delivering commercial electrical systems and service delivery
Electrical project delivery with strong H&S standards
Maintenance planning and client support for commercial sites
Last reviewed: 3 February 2026
What Do Commercial Electrical Contractors Do?
Commercial electrical contractors provide essential commercial electrical services for businesses, ensuring electrical systems are safe, efficient, and fully compliant with industry regulations. They manage the complete lifecycle of electrical systems, from design and installation to upgrades, inspections, and ongoing maintenance.
These services support commercial and industrial environments by improving system reliability, reducing downtime, and maintaining safe working conditions. Whether it’s a new project or maintaining existing infrastructure, contractors play a key role in keeping operations running smoothly and compliantly.





- Electrical system design and installation
- Fixed wire testing and compliance inspections
- Fault finding and emergency repairs
- Expert emergency electrical system support
- Management of technical documentation and records
Our Commercial Electrical Services
We deliver a full range of commercial electrical services tailored to meet the needs of businesses across different sectors. As experienced commercial electrical contractors, we provide practical, reliable solutions that support long-term performance and safety.

Commercial Electrical Installation Services
We provide professional commercial electrical installation for new builds and refurbishments. You can explore more about our electrical installation services to understand how we deliver safe and efficient system setups.

Commercial Electrical Maintenance Services
Our maintenance services help keep systems operating efficiently through regular inspections, servicing, and repairs. Visit our inspection and testing services page for detailed compliance support.

Commercial Electrical Design Services
We design electrical systems based on your building layout and operational requirements, ensuring efficient and compliant solutions. This is part of our broader electrical design and planning services.
How do I choose the right commercial electrical contractor?
Choosing the right commercial electrical contractor is essential for safety and efficiency. Check that they are licensed, insured, and experienced in commercial projects. Ensure they follow all safety regulations, offer a full range of services, and provide transparent pricing. Look at client references and reviews, and pick a contractor who communicates clearly and responds promptly.
Commercial Electrical Design Services
Effective electrical design is the foundation of safe, efficient, and scalable systems. As experienced commercial electrical contractors, we provide professional design solutions as part of our wider commercial electrical services, ensuring every system is tailored to your building and operational requirements.
As a trusted commercial electrical contractor in Teesside, our design approach focuses on performance, compliance, and long-term reliability, helping businesses implement systems that support daily operations while allowing for future expansion.

Electrical System Planning & Layout Design
We plan and design electrical systems based on your building layout, usage, and operational needs.
- Load assessment and capacity planning for current use and future growth
- Distribution design: board selection, circuit strategy, discrimination and resilience
- Lighting design considerations for safe working, productivity, and energy use
- Allowances for specialist equipment and business-critical areas
- Buildability planning so installation is efficient and disruption is reduced
- Maintainability planning so future access, isolation, and repairs can be carried out safely

We design power distribution systems that ensure reliable and balanced energy supply across your facility. This includes load calculations, circuit planning, and distribution board configuration.
Our designs focus on efficiency, safety, and scalability, ensuring your systems can handle current demand while supporting future growth.
What we support on new installations and refurbishments
- New electrical layouts for fit-outs, expansions and reconfigurations
- Refurbishments and upgrades where legacy systems need modernisation
- Compliance-led planning so the finished system can be evidenced properly

Lighting Design & Optimization
We create lighting solutions that enhance visibility, safety, and energy efficiency within your workspace. Our designs consider layout, usage, and compliance requirements to deliver practical and effective results.
By optimizing lighting systems, we help businesses reduce energy costs while maintaining a comfortable and productive environment.
A commercial project is only truly finished when it is documented. Handover typically includes:
- The right certificates
- A clear record of what has been installed, adjusted, or replaced
This ensures maintenance teams can operate safely and confidently.
Commercial Electrical Installation Services
Effective electrical design is the foundation of safe, efficient, and scalable systems. As experienced commercial electrical contractors, we provide professional design solutions and electrical installation services as part of our wider commercial electrical services in Teesside, ensuring every system is tailored to your building and operational requirements.

New Electrical System Installations
We carry out complete electrical installation services for new commercial buildings. Learn more about how we deliver full commercial electrical installation solutions.
- New circuits and distribution for fit-outs and upgrades
- Lighting installations and upgrades, including emergency lighting where required
- Power distribution improvements to support equipment changes
- Containment and cable management suitable for the environment
- Small works through to planned project delivery

System Upgrades & Refurbishments
We upgrade and modernize existing systems to improve performance and safety. Our commercial electrical services ensure minimal disruption during upgrades.
- Changes in occupancy, layout, or equipment demand
- Capacity constraints and nuisance tripping
- Ageing assets and reliability issues
- Risk reduction and compliance improvement
- Energy improvement programmes, lighting updates, and refurbishment cycles

Lighting & Power Distribution
We design and install lighting and power systems that support productivity and safety. These services are often integrated with our facilities management solutions for ongoing support.
- Phased working and agreed shutdown windows where needed
- Safe isolation procedures and clear permits where applicable
- Sequencing that keeps critical areas operational
- Clear site communication so managers know what is happening and when
Our engineers hold all up-to-date qualifications, including BS 7671 City & Guilds 18th Edition, NVQ / City & Guilds 2360/2330/2391/2394 & 2395 and are experienced in handling the full range of complex commercial electrical systems. We ensure every job is done safely and efficiently, keeping your systems compliant and your workplace secure.
We understand your business's unique demands and provide personalised services to meet those needs. Whether we're designing a new system or conducting emergency repairs, we work with you every step of the way, ensuring all work is completed to your satisfaction.
Time is critical when dealing with electrical issues. That's why our team works quickly and efficiently to resolve problems while ensuring the highest safety and quality standards. We focus on minimising disruption to your business operations.
At EIT LTD, we provide electrical solutions built on quality and precision. Our services are tailored to meet your business's specific needs, ensuring reliable and efficient performance. With transparent pricing at every stage, we deliver exceptional results while maximising your investment return without compromising on quality or compliance.
Commercial Electrical Maintenance
As experienced Commercial Electrical Contractors, electrical maintenance services play a vital role in protecting safety, reducing downtime, and helping businesses avoid costly failures. For many organizations, the biggest cost is not the repair itself, but the disruption, the safety risk, and the knock-on impact when systems fail unexpectedly. Regular maintenance is essential to ensure electrical systems remain safe and fully operational.

Planned Preventative Maintenance
We provide scheduled maintenance plans to reduce downtime. Our commercial electrical maintenance services are designed to prevent costly failures. A well-planned maintenance program is built around the site’s operating profile. High-use areas and critical assets are prioritized, and work is scheduled to suit operations. This reduces the likelihood of failures at the worst possible time.
It is a structured program to keep systems safe and reliable. It typically includes:
- Routine checks and condition-led tasks on distribution equipment
- Thermal or visual inspections where appropriate and agreed
- Checking for signs of overheating, wear, loose terminations, and damage
- Reviewing recurring issues to prevent repeat failures
- Record keeping to support asset registers and compliance evidence

Electrical Inspections & Testing
Our electrical inspection services ensure your systems meet all required safety standards. You can also explore our inspection and testing services for comprehensive, compliance-focused solutions.

Fault Detection & System Monitoring
As experienced commercial electrical contractors, we identify faults early and continuously monitor system performance to prevent disruptions. Our team also provides emergency electrical services to respond quickly to urgent issues.
Maintenance may cover:
- Distribution boards and protective devices
- Submains and final circuits
- Lighting and power accessories
- Basic integrity checks on visible cabling and containment
- Scheduled remedial work identified from site condition

Regular maintenance reduces downtime and risk
The value of planned electrical maintenance is straightforward:
- Fewer unexpected failures and fewer urgent call-outs
- Lower risk of electrical incidents
- Better operational continuity for teams and customers
- Clearer evidence of due diligence for insurers and audits
More predictable budgeting for repairs and upgrades
Compliance and Safety Standard
As experienced commercial electrical contractors, we understand that compliance and safety are fundamental to every project, not just a requirement but a responsibility. All electrical systems must be designed, installed, maintained, and tested in line with current legislation to prevent risk and ensure safe operation across commercial environments.
Commercial electrical systems sit inside a compliance environment. The exact requirements vary by building type and duty holder arrangements, but the goal is consistent: safe systems, documented evidence, and clear accountability.

Safe Systems
For commercial electrical contractors, safety is delivered through planning and controls, such as:
- Clear scopes and risk awareness before work starts
- Safe isolation and verification processes
- Method statements and risk assessments aligned to the site
- Site communication so work is coordinated safely

Electrical compliance is an important part of maintaining a safe and fully functional environment, especially during asbestos-related works. As experienced commercial electrical contractors, we ensure that all electrical systems and associated activities meet current regulations and industry standards, reducing risk and supporting overall site safety.
At a high level, you should expect:
- Work carried out by competent engineers
- Documentation that matches the work completed
- Clear identification of remedial risks and practical next steps
- Traceable records for maintenance teams and compliance audits
- Advice that is practical, prioritised, and aligned to operational reality

NICEIC Compliance
We follow recognized industry standards, including NICEIC guidelines where applicable, ensuring all associated electrical and site works meet strict quality and safety requirements. This provides reassurance that work is completed by qualified professionals to a high standard.
Our engineers hold all up-to-date qualifications, including:
- BS 7671 City & Guilds 18th Edition
- NVQ / City & Guilds 2360/2330/2391/2394 & 2395
All our electricians are experienced in handling the full range of complex commercial electrical systems. We ensure every job is done safely and efficiently, keeping your systems compliant and your workplace secure.
All works carried out under our NICEIC-approved contractor status
Who We Work With
We support facilities managers, multi-site operators, property and estates teams, and landlords who need safe, compliant outcomes.
Our commercial electrical services suit organizations managing multiple assets, legacy systems, planned works, and reactive issues, with consistent delivery and clear documentation throughout.
We are trusted by businesses across the Northeast and Yorkshire to provide reliable, efficient, and compliant electrical services. Let us handle your electrical needs so you can focus on what matters—running your business.
Your professionalism, efficiency, and clear communication throughout were greatly appreciated. We are especially thankful for the care you took to ensure minimal disruption to our daily school routine and for completing the work safely and to such a high standard.
The heating system has already made a noticeable difference, and both staff and pupils are very grateful. It has been a pleasure working with you, and we truly appreciate your dedication and expertise. We would be delighted to work with you again in the future.
They prioritised the installation of the main heating system… to meet the tight deadline. Their professionalism and commitment to delivering on time has been greatly appreciated. I am also aware that the electrician stayed very late on the Friday prior to the event to ensure the system was completed and operational in time, which reflects the dedication shown by the whole team.
In particular, Chris (Foreman) and Paul have been a credit to the company. Both have conducted themselves professionally and have been a pleasure to have working on site at here.
Why Choose Us?
At EIT, we bring decades of experience to the table. Our commercial electrical services are designed to keep your business running smoothly and safely.
We offer:
- Tailored commercial electrical design, installation and maintenance solutions
- Thorough inspections and testing to maintain safety and efficiency
- PPMs, fault finding and repairs
- LED lighting
- CCTV / Access Control
- Expert emergency electrical repair services
- Full NICEIC certification for compliance and safety
Effective electrical design, installation and maintenance is about planning for safety, compliance and continuity, not just on installation but for how the system will perform over its full life.
Vince Peel - EIT Ltd Operations & Contracts Director
Frequently Asked Questions
How do I know if our electrical system is actually safe, not just ‘working’?
Most electrical systems continue to function even when they are no longer safe or compliant. Overloaded circuits, ageing cabling, undocumented alterations, and poor discrimination often go unnoticed until a failure or inspection highlights them.
A competent commercial electrical contractor will assess condition, load, protection, and documentation – not just whether lights and sockets work. This is why inspection, testing, and planned maintenance matter, not reactive fixes alone.
What electrical work is our legal responsibility as a business or duty holder?
In the UK, the responsibility sits with the business or duty holder – not the contractor. Employers must ensure electrical systems are safe, maintained, and suitable for use under health and safety legislation.
Contractors carry out the work, but you remain accountable for:
- System safety
- Maintenance records
- Inspection and testing evidence
This is why clear documentation and a structured maintenance approach are as important as the installation itself.
How often should commercial electrical systems be inspected or maintained?
There is no single interval that fits every building. Frequency depends on building use, occupancy, system age, and risk profile.
High-use or public-facing premises often need more frequent checks than low-risk offices. Planned electrical maintenance allows inspections and testing to be scheduled based on actual risk – rather than waiting for faults, failures, or audit pressure.
Why do we keep having electrical faults even though repairs have been done?
Recurring electrical faults are usually a symptom of an underlying system issue – not a single failed component. Common causes include overloaded circuits, poor design decisions, undocumented changes, or ageing infrastructure.
Effective electrical fault finding focuses on identifying root causes, not just replacing parts. Without this, businesses often pay repeatedly for call-outs without ever solving the real problem.
How do I know if my commercial building needs rewiring?
Signs that a commercial building may need rewiring include frequent circuit breaker trips, flickering lights, burning smells, outdated wiring systems, overloaded circuits, or electrical equipment not functioning properly. If a building is older or undergoing renovation, a professional electrical inspection can determine whether rewiring is necessary to ensure safety and compliance.
What documentation should we expect at the end of commercial electrical work?
You should receive more than a completion invoice. Proper commercial electrical services include clear, usable records such as:
- Certification for new or altered installations
- Test results and inspection reports
- Updated information for asset or maintenance records
This documentation protects the business during audits, insurance reviews, and future maintenance – and is often what businesses realise they are missing after a problem occurs.
Look no further for expert electrical design, installation and maintenance services. Contact us today to discuss your project or schedule a consultation.