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trusted commercial electrician in london, ontario
Powering Your Business, Inside and Out
We help businesses across London, ON and surrounding areas stay powered, productive, and up to code. From office lighting and backup power to full tenant fit-ups and panel upgrades, we do it right—the first time.
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Repairs/Maintenance
Keep your business running smoothly. We handle routine service, emergency repairs, and preventative maintenance to minimize downtime.
Panel & Service Upgrades
Upgrade your panel or increase service capacity to meet growing electrical demands—done to code and with minimal disruption.
Interior & Exterior Lighting
Brighten your workspace inside and out. We install and upgrade lighting for safety, visibility, and efficiency.
Tenant Improvements & Fit-Ups
Whether you’re retrofitting a new space or customizing for a tenant, we handle all electrical changes to fit your needs and meet code.
New Construction/Design Build
From electrical design to final install, we deliver full-scope solutions for new builds and renovations. Our integrated approach keeps projects code-compliant, on time, and on budget.
Backup Power & Surge Protection
Protect what powers your business. We install generators, UPS systems, and surge protection to guard against outages and spikes.
Need Help Fast? We’ve Got Your Back.
From after-hours outages to short-notice troubleshooting, our commercial clients rely on us for responsive, reliable service—even after the job’s done.
Trusted by Local Businesses for over 50 years
We power commercial spaces of all shapes and sizes. Whether you’re overseeing one location or managing a portfolio, you need electrical work that’s safe, reliable, and done right.
We’re proud to partner with:
How We Get It Done
We make electrical work simple. From first call to final check, our process is designed for speed, clarity, and peace of mind.
Step one
Schedule Visit
We’ll inspect your space, talk through your needs, and outline the best approach — no pressure, just clear answers.
Step two
Review Estimate
Get upfront pricing and tailored recommendations based on your goals, budget, and timeline.
Step three
Get the Job Done
We show up on time, do the work right, and leave things clean. Every project is backed by solid workmanship.
recent projects
What Our Customers Say
KEEPING YOUR PROJECTS POWERED AND ON TRACK
Downtime isn’t an option. That’s why G&S Electric works with precision, speed, and accountability. Whether you’re a builder, GC, or property manager overseeing multiple sites, we handle the electrical scope without delays or surprises.
We coordinate with your team, follow your timelines, and deliver clean, code-compliant results that help your projects stay on track—and on budget.
Proudly Serving London, ON and Surrounding Areas
From the heart of London to nearby cities, G&S Electric is the go-to electrical contractor for residential, commercial, and industrial projects. Whether you’re in the city or the outskirts, you can count on us for dependable service and expert results.
london
St. THomas
Woodstock
Strathroy
and surrounding areas
Frequently asked questions
We manage everything from maintenance and repairs to full-service electrical installations for new commercial builds, office fit-ups, tenant improvements, and lighting upgrades. Whether it’s one location or multiple properties, we’re your go-to commercial electricians in London, ON and surrounding areas.
We understand how costly downtime can be. That’s why we plan strategically, work around your schedule, and communicate clearly throughout the project. Whether it’s an occupied office, medical facility, retail store, or school, our team works quietly and efficiently to complete electrical work without disrupting daily operations. We’re known in London, St. Thomas, and nearby areas for showing up on time and getting it done right—with minimal interruption.
Yes—G&S Electric is equipped for both ground-up commercial builds and tenant improvement projects. We partner with general contractors, commercial developers, and property managers to handle every stage of the electrical scope—from service sizing and layout planning to final trim-out and inspection. Whether you’re building from scratch or retrofitting a leased space, our team delivers precision and professionalism.
Flickering lights, frequent breaker trips, burning smells, warm outlets or panels, and inconsistent power are all signs your electrical system may need attention. In commercial spaces, these issues can lead to lost productivity—or worse, safety hazards. If you’re noticing any of these warning signs in your London-area business, G&S Electric can troubleshoot the issue, identify the cause, and make code-compliant repairs to keep your operation running smoothly.
Commercial renovations often involve unexpected wiring conditions or outdated systems. Before walls go up, it’s critical to assess your existing infrastructure. At G&S Electric, we start with a site visit to inspect panels, circuits, and load capacity. We’ll flag potential issues, pull any required permits, and complete all work to current Ontario electrical code. Renovating in London, ON? Let us make sure it’s done safely—and legally.
If you’ve added new HVAC systems, or tech infrastructure—or if your breakers are tripping often—it may be time to evaluate your service capacity. G&S Electric will assess your current electrical demand and help determine whether an upgrade is needed. We regularly assist London-area commercial clients in scaling their systems to support growing operations.
Have more questions? We’ve got the answers.
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