Commercial Electrical Services London
Running a business means your electrical systems must be reliable, efficient and compliant. When your office lights start flickering or your fuse board keeps tripping, you need it fixed fast and safely, better yet; without disrupting your business.
Commercial properties have a different set of rule from residential, We help businesses deal with everything from sudden power failures to full rewiring during office renovations.
According to the London Fire Brigade, around 25% of accidental fires in commercial properties are caused by electrical faults or appliances.
Call us for our expert services
Need a commercial electrician for repair, maintenance, or installation? Contact our team today! Call 020 8455 9020, email tony.delauri@dbsiteservices.co.uk, or fill out our contact form and we’ll get back to you promptly.
Click HereComplete Commercial Electrical Solutions
For over two decades, DB Site Services has become a trusted name in Electrical Services for Commercial businesses in London beyond. Our engineers work under strict health and safety regulations to guarantee safe and efficient results and inspect each site carefully before carrying out any work, ensuring electrics design and installation is built to last.
This level of diligence is especially important in London and the surrounding areas, where strict electrical safety regulations and high building density demand precise, many commercial buildings in London, especially in central areas like the City, Holborn, and Westminster, still rely on wiring systems installed over 40 years ago.
Why it matters: Old or overloaded systems are more prone to faults, power outages, and fire risks. Hiring a certified commercial electrician ensures your installation meets current BS 7671 standards and insurance requirements.
Solution: Regular EICR (Electrical Installation Condition Reports) are the simplest way to stay compliant.
Case Study: Barbican Estate Fountain Pump Electrics
We were commissioned to carry out specialist electrical work on the fountain pump system at the Barbican Estate, one of London’s most distinctive landmarks.
The project involved upgrading and rewiring the pump control system to ensure reliable performance and compliance with current electrical safety standards. Our team assessed the existing setup, replaced aging components, and installed modern protective devices to improve efficiency and safety.
All works were completed within a tight timeframe, allowing the client to restore full fountain operation without disruption to residents or visitors.
Fault Resolution for your electrics
Electrical faults can cause serious disruption to any business. Unexpected downtime can halt operations, stop production, and frustrate both staff and clients. Faulty or outdated systems also create significant safety risks, from fire hazards to potential injuries, putting employees and customers in danger. Upgrading old wiring is a tedious and complex process that must be carried out carefully by qualified electricians.
We use advanced testing equipment to accurately identify the source of faults, whether it’s wiring deterioration, overloaded circuits, or damaged components. Once diagnosed, we carry out safe and compliant commercial electrical repairs, restoring your system to full working order with minimal downtime.
Some of the key tools include:
- Multimeters – to help electricians quickly identify wiring issues or overloaded circuits that could cause downtime or hazards.
- Earth Continuity Testers – protects people and property by preventing electric shocks and complying with BS 7671 regulations.
- Loop Impedance Testers – confirms that circuit breakers and fuses will operate correctly in the event of a fault.
- RCD Testers (Residual Current Device) – ensures protection against electric shock and increases safety for staff and customers.
- Portable Appliance Testers (PAT) – Identifies faulty appliances before they cause injury, downtime, or damage.
If you’re searching for an electrician near you who can respond quickly and keep your business running, DB Site Services is here to help.
New Installations
Whether you’re opening a new business premises, expanding your workspace, or upgrading an existing electrical system, our team works closely with business owners, contractors, and facilities managers to design and install systems that meet the latest safety standards and efficiency goals.
We handle everything from full power distribution systems for high-demand environments, energy-efficient and compliant LED lighting, emergency and exit lighting to meet UK fire safety regulations, structured data and network cabling for IT and server infrastructure, and secure connections for machinery and equipment.
Complete wiring and power distribution for offices, shops, and warehouses.
Lighting installations, including LED conversions and energy-efficient solutions.
Data and network cabling for modern business operations.
Equipment and machinery connections for industrial or commercial settings.
All installation work is completed by certified electricians and signed off with the relevant commercial electrical certificates.
Types of New Installations (warehouses, retail, server rooms, CCTV)
Opening a new warehouse, retail space, or office comes with enough challenges. The last thing you want is electrical problems slowing you down. We work with businesses to design and install power distribution systems for high-demand environments, energy-efficient and emergency lighting for offices and retail spaces, structured data and network cabling for server rooms, and CCTV and access control systems to keep your premises secure.
Using high-quality components like distribution boards, circuit breakers, switchgear, and cabling, every installation is carried out by qualified electricians and signed off with the relevant commercial electrical certificates, ensuring your business stays safe, compliant, and fully operational without interruptions.
Testing & Inspection
Regular electrical testing and inspection are essential to ensure your business remains safe, compliant, and fully operational. At DB Site Services, we carry out all forms of commercial electrical testing, including periodic inspections and full EICR (Electrical Installation Condition Reports), to verify that your systems meet current UK safety standards.
Our experienced commercial electricians assess the condition of your wiring, circuits, and distribution boards to identify any potential hazards or areas for improvement. Whether you require certification for a new tenancy, insurance purposes, or part of your maintenance schedule, we provide clear and professional documentation.
We deliver:
Comprehensive EICR testing for commercial properties
Emergency lighting inspections
PAT (Portable Appliance Testing) where required
Detailed reporting and commercial electrical certificates
Recommendations for any remedial work to achieve compliance
By scheduling routine testing with DB Site Services, you not only safeguard your employees and customers but also reduce the risk of costly disruptions and downtime. This is reccommened every 6 – 12 months depends on the size of your premises.
Testing Equipment & How We Use It
Electrical faults aren’t always obvious. Over the years, we’ve seen how a single faulty component or hidden wiring issue can silently create major problems. That’s why at DB Site Services, we use the thermographic image surveys to catch problems before they become emergencies, ensuring your business operations continue
Maintenance
Preventative maintenance is the key to avoiding costly breakdowns and keeping your business compliant with electrical safety regulations. With the advent of thermal imaging detection, our electricians can identify overheating components, loose connections, and hidden faults before they cause failures or fire hazards. This advanced technology allows us to spot problems invisible to the naked eye
Regular inspections and servicing help us identify potential issues before they become serious, ensuring your electrical systems perform safely and efficiently all year round. Our maintenance services include:
Periodic testing and inspection
Routine EICR (Electrical Installation Condition Reports)
Emergency lighting checks
Load testing and power efficiency assessments
We provide full documentation, including updated commercial electrical certificates, for complete compliance and peace of mind. With ongoing support from DB Site Services, you can focus on running your business while we keep your electrical infrastructure in top condition.
NICEIC Certification
As an NICEIC-approved contractor, DB Site Services meets strict annual assessment criteria giving you confidence that every project is compliant and fully insured. We know how important regulations and safety checks are to your commercial business and keep up to date with annual annual training, new legislation, and the latest BS 7671 wiring regulations.
