# Commercial Electrical Contractor Toronto | ESA-Licensed | Toronto Electrical Contractor > Need a commercial electrical contractor in Toronto? ESA-licensed tenant improvements, LED retrofits and PM contracts, done after hours. Call 416-900-2963. URL: https://torontoelectricalcontractor.ca/commercial-electrical/ ![](/images/misc/commercial-electricians-performing-tenant-improvem.webp) Commercial # Commercial Electrical Contractor Serving Toronto and the GTA Toronto Electrical Contractor [/ →](/) provides commercial electrical services for Toronto and the GTA - tenant improvement wiring, LED lighting retrofits with Hydro rebate paperwork, commercial sub-panel installation, branch circuit additions, demising-wall electrical, data and low-voltage wiring, commercial ESA permit and inspection, and quarterly preventative maintenance contracts for retail, office, warehouse, and light industrial properties. After-hours scheduling available. Toronto Electrical Contractor serves Toronto, North York, Etobicoke, Scarborough, Mississauga, Brampton, Vaughan, Markham, Richmond Hill, Oakville, and the broader GTA. 0 Get a Free Estimate [/contact/ →](/contact/) Call (416) 900-2963 [tel:+14169002963 →](tel:+14169002963) ESA Licensed Contractor Permits In House & Included Flat Rate Quoted Before Work 24/7 Emergency Response Toronto Electrical Contractor is an ESA-licensed electrical company based in Toronto, handling commercial work for retail units, offices, restaurants, warehouses, and light industrial spaces across the GTA. Our core commercial services are tenant improvement wiring, LED lighting retrofits, sub-panel installations, and preventative maintenance contracts, backed by 15+ years in the trade and 1,500+ completed projects. Every commercial job is permitted and inspected. We file the Electrical Safety Authority (ESA) permit in-house under our ECRA/ESA licence, so property managers and business owners get a Certificate of Acceptance without chasing paperwork. Most of our commercial work is scheduled after hours so your tenants and customers are never disrupted. Pricing is quoted by scope before work starts, and typical TI quotes are delivered within 3 business days of the site walk. ## Tenant Improvement Electrical for Offices and Retail Tenant improvement happens when a commercial space turns over or changes use. A new tenant moves in, and suddenly the existing sub-panel lacks enough breaker space. Older retail units in Toronto frequently only have 60-amp service available. This single limitation immediately eliminates about a third of potential restaurant and retail tenants who require 200 to 400 amps. We step in to upgrade those panels and configure dedicated circuits for your specific equipment. Finding out your electrical layout does not fit the new floor plan is a common headache. Our licensed electricians rearrange the lighting and install the necessary junction boxes to make the space functional, whether the fit-out is a design-build project led by a general contractor or built to an architect’s stamped drawings. ![Commercial unit in Toronto mid tenant improvement with open ceiling, new conduit runs, and a temporary lighting layout](/images/misc/toronto-commercial-unit-mid-tenant-improvement-ope.webp) ### Office Fit-Outs and Upgrades A typical small-office project in a Toronto plaza or mid-rise office building involves several essential updates. - New demising wall electrical separation (junction boxes, conduit, sub-panel feed) - Lighting layout reconfiguration (often happening alongside an LED retrofit) - Dedicated 20A circuits for office equipment, server racks, and kitchenettes - New egress lighting where partition changes affect emergency paths - Updated exit signs to meet the current Ontario Building Code ### Retail Space Electrical Needs Retail environments, from Queen Street West storefronts to strip-plaza units in Scarborough and Etobicoke, demand a completely different approach to power distribution. - New point-of-sale (POS) and display lighting circuits - Dedicated power feeds for exterior and window tenant signage - Integration with heating, ventilation, and air conditioning controls - Sub-panel installation if the existing main panel is shared with other units ### Inspection and Permitting Getting the right permits is mandatory for any commercial project. The Electrical Safety Authority requires proper documentation for all structural wiring changes, and only an ECRA/ESA Licensed Electrical Contractor can pull the permit. We file the paperwork under our Licensed Electrical Contractor number to keep your project moving. The ESA updated their fee schedule in April 2026 with a slight 1.9 percent increase for wiring. Accurate budgeting means factoring these exact costs into your initial estimate. Our team schedules the rough-in and final inspections on your behalf. You simply receive the final Certificate of Acceptance for your property manager. > “A proactive approach to permitting eliminates costly delays before grand openings.” This hands-off approach saves you hours of administrative work. ## After-Hours Work That Keeps Tenants Open Property managers rarely want noisy trades disrupting paying tenants during normal business hours. About 80 percent of commercial tenant improvement work actually happens from 6 pm to 6 am or on weekends. This schedule keeps your neighbouring businesses open and productive, whether that is a condo podium retail strip or a multi-tenant office tower. We coordinate directly with building security to ensure fire alarms stay quiet during panel tie-ins. Toronto noise bylaws generally restrict heavy construction after 11 PM in mixed-use areas. ### Managing the Night Shift Quiet interior electrical work can continue through the night. Our crew arrives fully equipped with proper portable lighting and quiet-work protocols for shared-wall scenarios. Collaboration with other evening trades makes the whole timeline run smoother. - Coordination with HVAC specialists for control wiring - Scheduling alongside plumbing and drywall teams - Managing building access and security sign-ins - Containing dust and debris before morning business hours The night-work premium is small because this crew is already built for it. That minor investment pays back many times over by preserving crucial tenant relationships. ## Commercial LED Lighting Retrofits With Save on Energy Rebates Energy-efficient upgrades are the most common standalone commercial projects requested by local property owners. These updates are especially popular in Vaughan [/service-areas/vaughan/ →](/service-areas/vaughan/) Concord light-industrial spaces and Mississauga [/service-areas/mississauga/ →](/service-areas/mississauga/) Erin Mills office parks. Frequent Toronto [/service-areas/toronto/ →](/service-areas/toronto/) small-office retrofits also make up a large portion of this daily schedule. Our technicians replace old, buzzing fluorescent T8 or T12 fixtures with bright LED alternatives. LEDs are significantly brighter per watt, which often means you need fewer total fixtures to properly illuminate a room. A rebalanced lighting layout instantly modernizes the feel of your entire facility. ![Toronto commercial office space with new flat LED panels installed in a T-bar ceiling after a fluorescent retrofit](/images/misc/toronto-commercial-space-with-led-panels-installed.webp) ### Typical LED Retrofit Upgrades Every building has unique needs, but a standard scope of work includes several core improvements. - Existing fluorescent fixtures swapped for LED linear or tube retrofits - Occupancy sensors added to private offices, washrooms, and storage areas - Photocell controls installed for perimeter and parking-area illumination - Official documentation submitted for provincial energy rebates ### Understanding Energy Rebates in 2026 The Save on Energy commercial rebate program, run by the IESO and delivered through local utilities such as Toronto Hydro and Alectra, changes its rules annually. We keep current with these guidelines and submit the paperwork on your behalf. The 2026 Instant Discounts Program applies savings directly at the distributor invoice, offering up to $140 off certain high-bay fixtures. Companies with fifty or fewer employees can also utilize the Small Business Program. This specific initiative provides up to $3,000 in direct incentives for lighting equipment upgrades. > “Properly documented rebate applications can slash thousands of dollars off your final invoice.” Our clients typically see a complete return on investment within 18 to 36 months when factoring in these rebates. Reduced monthly hydro bills continue to generate savings long after the project finishes. ## Preventative Maintenance Contracts That Prevent Outages Preventative maintenance is a service that most commercial property managers wish they had started earlier. Failing electrical connections never announce themselves loudly before causing a major disruption. They slowly heat up over months until the breaker trips or the connection fails into a dangerous arc fault. The average facility experiences about 25 unplanned downtime incidents a month, according to the 2026 State of Industrial Maintenance report. Mean time to repair has stretched to 81 minutes on average, largely due to supply chain delays for replacement parts. We catch failing connections early to prevent these expensive and stressful operational pauses. ![Thermal imaging camera scanning a commercial breaker panel for hot spots during a preventative maintenance visit in the GTA](/images/misc/thermal-imaging-camera-scanning-breaker-panel-for-.webp) ### What is Included in Scheduled Visits Quarterly visits are standard for properties with significant load, while semi-annual checks suit smaller buildings. - **Panel torque inspection:** Every breaker and lug is torqued to specific factory requirements. Loose connections get re-torqued immediately, and any strange anomalies are carefully documented. - **Infrared thermography:** Panel covers come off during live operation so an IR camera can scan the bus and breakers. Hot spots are flagged for immediate follow-up to stop failures before they happen. - **GFCI/AFCI testing:** The self-test feature is exercised on every protected breaker. Trip-curve verification happens on a selected sample, and any failing breaker is instantly replaced. - **Emergency lighting testing:** The Ontario Building Code requires monthly visual checks and an annual full-discharge test. - **Comprehensive written report:** Each visit produces a detailed written report complete with diagnostic photos. Failures receive same-week remediation quotes, while routine items get filed for the next inspection cycle. We cover both of these critical safety requirements during routine maintenance visits. ### How Much Does a Commercial Maintenance Contract Cost in Toronto? Pricing depends on the total number of panels and the frequency of the visits. A typical small-commercial property lands around $1,200 to $1,800 per year for quarterly service (2026 pricing). This standard baseline includes a single 200A service panel and five to eight sub-panels. Larger industrial-corridor properties in Vaughan [/service-areas/vaughan/ →](/service-areas/vaughan/) Concord and Brampton [/service-areas/brampton/ →](/service-areas/brampton/) scale up from that starting point. ## Commercial Coverage Across Toronto, Vaughan and Mississauga Focusing on specific regional needs allows for faster response times and better local expertise. Our commercial work is concentrated in Toronto [/service-areas/toronto/ →](/service-areas/toronto/) for small office and retail environments, including North York [/service-areas/north-york/ →](/service-areas/north-york/) office plazas along Yonge Street. Vaughan [/service-areas/vaughan/ →](/service-areas/vaughan/) Concord and Highway 7 are prime locations for light industrial facilities and tenant improvements. > “A local contractor who understands the specific grid demands of the GTA makes every tenant transition a breeze.” We also spend a significant amount of time in Mississauga [/service-areas/mississauga/ →](/service-areas/mississauga/) servicing Erin Mills and Meadowvale office parks and mixed-use commercial spaces, and in Brampton [/service-areas/brampton/ →](/service-areas/brampton/) warehouses and industrial condos. Retailers operating in Markham [/service-areas/markham/ →](/service-areas/markham/) along the Highway 7 condo retail strip rely on the same crews. Large industrial and institutional scopes, such as hospitals, schools, and heavy-manufacturing plants, are referred to dedicated industrial contractors. ## How Our Commercial Service Compares | Feature | Typical Provider | Toronto Electrical Contractor | | --- | --- | --- | | ESA permits and inspections | Sometimes left to the owner or general contractor | Filed in-house under our ECRA/ESA licence, inspections booked for you | | Work hours | Daytime only, tenants work around the noise | After-hours 6 pm to 6 am and weekends | | Pricing | Hourly time-and-materials | Quoted by scope before work starts, TI quotes within 3 business days | | LED rebate paperwork | Owner files the application | Save on Energy paperwork submitted on your behalf | | Emergency response | Next business day | 24/7, under 60 minutes across the GTA | ## Hire an ESA-Licensed Commercial Electrical Contractor in Toronto Creating a safe and efficient workspace starts with a solid power foundation. Commercial projects are much easier when an experienced crew handles the details. You do not have to guess about panel capacities, noise bylaws, or rebate paperwork. Our licensed electricians will assess your facility and recommend the most cost-effective upgrades. Call (416) 900-2963 or request a site visit to get a scoped quote and keep your business running smoothly. Recent Work ## Commercial Electrical Gallery ![Commercial Electrical project example](/images/misc/commercial-led-retrofit-linear-fixture-install-vau.webp) ![Commercial Electrical project example](/images/misc/infrared-thermography-of-commercial-panel-during-p.webp) ![Commercial Electrical project example](/images/misc/sub-panel-install-for-commercial-tenant-improvemen.webp) Our Process ## How We Do This Job 01 ### Site Walk We meet on-site with the property manager, business owner, or general contractor, review the existing service, and document scope. Quote within 3 business days for typical TI, whether the job is design-build or built to an architect's drawings. 02 ### Permits and Scheduling ESA permit filed under our ECRA/ESA Licensed Electrical Contractor number. After-hours work scheduled to minimize tenant disruption. Most TI happens 6 pm to 6 am. 03 ### Execute Demising-wall electrical, sub-panel installs, lighting retrofits, dedicated circuits. All completed under permit, all inspected at rough-in and final. 04 ### Sign-Off and PM ESA Certificate of Acceptance issued. We can fold the property into our PM rotation: quarterly torque checks, infrared scans, GFCI testing, lighting inspections. ![](/images/misc/toronto-electrician-night-work-headlamp-truck-ligh.webp) Same Day Response ## Get a Free Commercial Electrical Quote Flat-rate pricing with ESA permits and inspection included. Same-day quotes for urgent work. Get a Free Estimate [/contact/ →](/contact/) (416) 900-2963 [tel:+14169002963 →](tel:+14169002963) Customer Reviews ## What GTA Property Managers and Business Owners Say About Our Commercial Work Real reviews from clients across Toronto, North York, Scarborough, Etobicoke, and the broader GTA. Average **4.9/5** across 100+ jobs. > "Concord warehouse LED retrofit, sixty linear high-bay fixtures swapped over a single weekend. No operational disruption Monday morning. The team handled the Alectra and IESO rebate paperwork as part of the scope. Lighting is brighter, the hydro bill dropped about 40 percent." Tony R. Concord, Vaughan > "Tenant improvement on our retail unit. Wall layouts changed, point-of-sale circuits had to move, and the new HVAC needed a sub-panel. They worked overnights so we stayed open through the renovation. ESA inspections passed first time and the unit reopened without missing a day." Adriana C. Highway 7 Corridor, Vaughan > "Quarterly preventative maintenance contract on three small commercial units I manage. Infrared thermography on every panel, torque checks, GFCI testing, and a written report after each visit. They show up after hours so tenants aren't bothered. Worth every dollar." Olu A. Cooksville, Mississauga FAQ ## Commercial Electrical: Frequently Asked Questions ### What is tenant improvement electrical work? + Tenant improvement (TI) electrical is the wiring work done when a commercial space changes tenants or use: new partition walls, a new sub-panel for the incoming tenant, a new lighting layout, dedicated circuits for tenant equipment, and demising-wall electrical separation. Every TI job needs an ESA permit, with inspections at rough-in and final. We handle TI for property managers and business owners across Toronto, Vaughan, Mississauga, and Brampton. ### Can commercial electrical work be done after hours in Toronto? + Yes. Most commercial TI work is scheduled from 6 pm to 6 am or on weekends so retail and office tenants stay open. Quiet interior wiring can run overnight, while noisier work is planned around Toronto noise bylaws. Our crew coordinates with building security so fire alarms stay quiet during panel tie-ins. ### How much does a commercial electrical maintenance contract cost? + As of 2026, a typical small-commercial property in the GTA with one 200A service and five to eight sub-panels runs about $1,200 to $1,800 per year for quarterly preventative maintenance. Each visit includes panel torque checks, infrared thermography, GFCI/AFCI testing, an emergency lighting test, and a written report with photos. Larger properties or more frequent visits are priced by panel count. ### Can an electrician handle Save on Energy rebate paperwork for an LED retrofit? + Yes. We document existing fixture wattages, calculate energy savings under the current Save on Energy program, and submit the paperwork on your behalf. The rebate often offsets 30-40% of a typical LED retrofit project, and most clients see a full payback within 18 to 36 months. ### Who can do commercial electrical work in Ontario? + In Ontario, commercial electrical work must be done by a Licensed Electrical Contractor (ECRA/ESA licence) who pulls an Electrical Safety Authority permit for the job. Toronto Electrical Contractor files every commercial permit in-house, schedules the rough-in and final inspections, and hands over the ESA Certificate of Acceptance when the work passes. ### Do I need a large electrical contractor for a small commercial or light industrial project? + Usually not. Small offices, retail units, restaurants, warehouses, and light industrial units up to about 600A service are a good fit for a focused commercial crew with faster scheduling. Large industrial and institutional scopes, such as heavy machinery, high-voltage feeds, motor control, hospitals, or schools, are better suited to industrial specialists, and we refer those out. ### Do you serve commercial properties in Brampton and Vaughan? + Yes. Commercial work is concentrated in Toronto, Vaughan (Concord and the Highway 7 corridor), Mississauga, Brampton, and Markham. We also serve North York, Etobicoke, Scarborough, Richmond Hill, and Oakville, with 24/7 emergency response in under 60 minutes for urgent power failures. Related Guides ## Commercial Electrical Guides & Resources Background Reading ### Commercial LED Lighting Retrofit and Energy Savings Audit step, fixture-vs-lamp swap decision, ballast-bypass options, payback estimation, and available Save on Energy programs. [Commercial LED Lighting Retrofit and Energy Savings →](/guide/commercial-led-lighting-retrofit-toronto/) Background Reading ### Tenant Improvement Electrical Scope for Toronto Landlords Typical TI electrical scope (lighting, outlets, sub-panel, demising), permit and ESA scheduling around tenant move-in dates, after-hours work options. [Tenant Improvement Electrical Scope for Toronto Landlords →](/guide/tenant-improvement-electrical-toronto/) Decision Guide ### Preventative Maintenance Contracts for Commercial Electrical Typical PM scope (panel torque, infrared scan, GFCI testing), SLA on emergency response, what's included vs billed extra, and risk reduction. [Preventative Maintenance Contracts for Commercial Electrical →](/guide/commercial-electrical-maintenance-contract-toronto/) Related Services ## More Toronto Electrical Services ### Electrical Panel Upgrade Toronto Electrical Contractor performs 100-amp to 200-amp service upgrades, Federal Pacific Stab-Lok panel replacements, Zinsco panel replacements, and sub-panel additions across Toronto - flat-rate pricing, Toronto Hydro coordination, and ESA Certificate of Acceptance included. [Electrical Panel Upgrade →](/electrical-panel-upgrade/) ### Lighting Installation Toronto Electrical Contractor installs LED pot lights, chandeliers, wall sconces, under-cabinet lighting, commercial lighting, and outdoor landscape and security lighting across Toronto and the GTA, Ontario. ESA-permitted, flat-rate pricing, specialty in plaster and concrete ceilings. [Lighting Installation →](/lighting-installation/) ### Electrical Safety Inspection Toronto Electrical Contractor performs ESA-recognized electrical safety inspections on residential and commercial properties across Toronto and the GTA for home purchases, pre-listing, landlord licensing, and insurance renewals. Thermal scan, written deficiency report, and sample insurer letter within 48 hours, $250-$450. [Electrical Safety Inspection →](/electrical-safety-inspection/) ![](/images/misc/toronto-electrician-night-work-headlamp-truck-ligh.webp) Same Day Response ## Ready for Commercial Electrical? Free estimates on residential projects. Flat-rate quotes with ESA permits and inspection already included. Get a Free Estimate [/contact/ →](/contact/) (416) 900-2963 [tel:+14169002963 →](tel:+14169002963)