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Commercial Electrician

Installation & Maintenance

Specialist electrical services for your home and business

Commercial Electrician Installations

We can save you time and the headache of juggling multiple contractors. We can be your complete commercial electrician installation and maintenance team.

Electrical safety and reliability are essential for all managers and owners of commercial premises. We are fully accredited by the NICEIC Approved Contractor Scheme and we can help you.

We can work with you if you manage or own offices, shops, retail outlets and showrooms. All of our work is fully guaranteed and completed to the highest standard.

All businesses need to run smoothly, regardless of whether work is being carried out on the premises. We can provide you with a seamless service, ensuring it’s business as usual wherever possible.

We offer a wide range of maintenance services, from routine inspections to more extensive repairs. Our team of highly trained electrical professionals has the experience and expertise to get the job done right.

So contact us today if you are looking for a commercial electrician in your area. Our team of electricians operate across Guildford, Camberley and the wider Surrey and Hampshire areas.

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Electrical Installations & Maintenance

Commercial Electricial installations

We are dedicated to providing our clients with the highest quality electrical work. We can install all of the components that are needed to keep your premises up and running. Every member of our team is highly-trained, ensuring the work that they carry out is safe and to your satisfaction.

We understand that electrical problems can be disruptive and stressful, so we always aim to provide a quick and efficient service. We also offer a comprehensive warranty on all of our work, so you can rest assured that your electrical system is in good hands.

Commercial Electricial maintenance

We offer comprehensive maintenance services for all of your electrical facilities, equipment and systems. By keeping these areas in top condition, we can help to prevent accidents and ensure that everything is running smoothly.

Electrical Testing & Fault Finding

Energy efficiency advice and reports

Energy efficiency reports can be extremely helpful in identifying areas where a business is wasting energy. By pinpointing problem areas, these reports can lead to substantial savings on energy costs.

In addition, energy efficiency reports can provide recommendations on how to make your business more energy-efficient. Often, simple changes can lead to significant reductions in energy consumption. As a result, energy efficiency reports can be a valuable tool in saving money and reducing your impact on the environment.

Fault finding and testing

It’s important to make sure that all of your electrical systems are safe and up to code. Not only can faulty wiring be a fire hazard, but it can also lead to costly repairs down the line. That’s why we offer comprehensive electrical testing services.

We’ll thoroughly inspect your wiring and identify any potential problems. We’ll then provide you with a detailed report of our findings, along with recommendations for how to fix any issues.

commercial electrician

Security & CCTV

CCTV and access control systems

Helping your premises to stay safe, we only ever install equipment that we trust. We’ll also show you how to use all of the equipment that we install.

Emergency lighting

Should something go wrong it’s important that you can make your way out of the building quickly. Emergency lighting is typically powered by a generator, working well enough to guide you and your colleague to the nearest exit.

Fire alarm systems

We can install multiple fire alarms in every area. Helping to keep you and your colleagues safe, we only ever install fire alarms from trusted manufacturers.

What our customers say about us…

Steven Brame
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Wonderful company, sorted out all our problems, of which there were many, very friendly and skilled electricians. Used them twice having had works bodged by another, if you want a job done right, use this firm.
Janet Bridge
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The most efficient and professional service I have received in a very long time, Thank you so much Dan and Jim.
Ellie Minton
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We recently used The Big Green Electrical Company for our home studio conversion. Dan was reliable, professional and helpful from the very beginning, giving us advice on what would work best and we trusted his expertise and knowledge. We are extremely happy with the results and will most definitely be using Dan again for any future work!
Keith Hasemore
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Dan & Jim, very professional. Pleasant experience. Would not hesitate to request their services in the future.
Wendy Premm-Jones
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Dan and Jim did a brilliant job of fitting a new fuse box allowing them to also fit an EV charger. We have used Dan before and he is so professional, always turns up on time, provides accurate quotes with no hidden charges! Would thoroughly recommend The Big Green Electrical Company.
Andrew Coleman
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After a years project of transforming our garden, Dan came to install some garden lightening to complete the final piece of the jigsaw. What a transformation! We are so pleased with the outcome of Dan’s workmanship and also his manner. He was informative, pleasant, kind, hardworking and open to suggestions. We could not be more pleased with the outcome and would definitely highly recommend Dan and his company.
Cherry Trees
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Great work by Big Green Electrical to help transform one of the rooms at our East Clandon respite care home for children with complex disabilities. High quality work, fast, responsive and highly professional. Thank you.
Lifetime Shutters Ltd
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Very professional on estimating the job, good quality work and also good response on issues after the install. Well done The Big Green! We will recommend and use again.
Michael Sutton
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Absolutely fantastic , neat and tidy, really know their stuff….and really nice people to work with… you probably cannot find better people.


Commercial electricians provide a variety of essential services for businesses and other organisations. At the most basic level, they help to ensure that all of the electrical systems in a building are functioning properly and safely.

They perform routine maintenance tasks, such as checking wiring and circuit boards, replacing faulty or outdated equipment, and updating obsolete controls.

In addition, commercial electricians can also help with more complex issues such as installing new electrical systems or repairing damage from electrical surges.

Whether you own a large corporation or manage an office building, hiring a trusted commercial electrician is an essential part of keeping your business running smoothly and safely.

When it comes to commercial properties, safety is always a top priority. That’s why it’s important to make sure that any electrical components within the building are functioning properly and adhering to relevant safety standards.

One way to verify this is through an electrical certificate—a professional assessment of your building’s electrical network that highlights potential issues and provides recommendations for addressing them.

Not all commercial properties will require an electrical certificate, but those that are highly sensitive or that contain certain types of equipment will likely need one in order to ensure the utmost safety and compliance.

Ultimately, whether or not a property needs an electrical certificate will depend on its specific use and requirements, but in general, any business owner who is concerned about maintaining a safe and functional facility should consider getting one as soon as possible.

When looking for a commercial electrician, it is important to consider a variety of factors. First and foremost, you should make sure that the electrician has extensive experience in installing and repairing commercial electrical services.

In addition, it is crucial that the electrician be well-versed in all relevant codes and regulations so that they can work safely in your facility. You should also look for an electrician who has a good reputation and is known for providing high-quality workmanship.

Finally, it is important to find an electrician who can respond quickly to your requests so that you can minimise downtime and disruption to your business operations.

Many commercial properties require an EICR, or electrical inspection and test report. This document evaluates the safety of a building’s electrical infrastructure and helps to ensure that it is up to code.

An EICR typically involves a thorough inspection of wiring, circuit breakers, outlets, and other equipment. It also includes tests to detect any abnormalities in voltage levels or current draw, which could indicate a potentially dangerous situation.

Because such testing is so important for ensuring the safety of customers and employees, it is essential that only qualified professionals perform EICRs on commercial premises.

With their knowledge of wiring systems and ability to detect potential issues, these professionals provide businesses with critical information about the state of their electrical infrastructure.

As a result, all commercial properties should consider investing in an EICR to keep themselves safe from the risks associated with faulty electrical systems.

Whether you are running a commercial property or managing one for someone else, it is essential to ensure that the electrical systems and equipment are routinely tested and maintained.

Electrical testing should happen on a regular basis, depending on factors such as the type of property and its usage. In general, most commercial properties should undergo an electrical test at least once per year.

This will help to detect any issues with the wiring or other components and help to prevent any safety hazards or fires that may arise if the system becomes damaged or overloaded.

Additionally, routine testing can also help to improve energy efficiency and reduce operating costs, making it a valuable investment for businesses of all sizes.

So if you want to maintain the safety, performance, and profitability of your commercial property, be sure to engage in regular electrical testing.

Our Other Services


Commercial Solar Panels

A commercial solar panel system can generate electricity from the sun’s rays, providing a renewable and sustainable source of power.

Domestic Solar Panels

Home solar panel installations won’t just save money on your electric bill every time you turn on a light or fire up your laptop. It will also boost the value of your home significantly.

Battery Storage

Battery storage is a great way of storing surplus solar power ensuring it can be used during high consumption times and prevents the power going, that way making your property even more self-sufficient.
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EV Chargers

We’ll recommend the best EV charger installation equipment for your home or office to help you enjoy a cleaner, more energy-efficient future.
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Electrical Testing, Inspection & EICR

We inspect and test electricals to BS 7671 standards to ensure your residential and commercial properties are safe and fully compliant.
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Electrical Maintenance

Get your electrical problems resolved quickly and expertly. As we’re NICEIC Approved, you can relax, knowing our repair work is fully guaranteed.