Ben PhilipsOntario’s electrical industry is growing fast, fueled by new construction, infrastructure upgrades, and the shift toward smart and energy-efficient systems. From residential renovations to large commercial builds, the demand for skilled contractors keeps rising.
If you’re searching for dependable electrical COMPANIES IN Ontario, this list highlights some of the most trusted names known for delivering quality work, strong safety standards, and specialized expertise across different project types.
Top 50 Electrical Companies in Ontario
1. Plan Group
Best for: Large-scale commercial & infrastructure projects
Plan Group is widely respected for handling complex, high-value builds across Ontario. Their team works seamlessly across engineering and field execution, making them a strong partner for hospitals, transit systems, and major developments. They’re especially known for delivering integrated solutions where electrical and mechanical systems must align perfectly.
Services:
- Commercial electrical systems
- Integrated construction
- Energy solutions
- Maintenance services
Contact:
Phone: +1 416-645-2800
2. Black & McDonald
Best for: Nationwide projects & facility management
Black & McDonald brings decades of experience to electrical projects across Ontario. They’re trusted by institutions and government clients for long-term maintenance and complex installations. Their ability to combine electrical work with facility management makes them a reliable, full-service option.
Services:
- Electrical construction
- Facility maintenance
- Automation systems
- Energy upgrades
Contact:
Phone: +1 416-495-1240
3. Guild Electric Limited
Best for: High-rise residential & commercial builds
Guild Electric has built a solid reputation in Toronto’s condo market. They consistently deliver large residential and mixed-use projects with efficiency and strong project coordination, making them a preferred contractor among developers.
Services:
- High-rise wiring
- Lighting systems
- Fire alarm systems
- Design-build services
Contact:
Phone: +1 416-745-2400
4. Houle Electric
Best for: Smart buildings & technology integration
Houle Electric stands out for blending traditional electrical services with modern technology. Their expertise in automation and data systems makes them ideal for projects focused on smart infrastructure and future-ready buildings.
Services:
- Building automation
- Electrical installation
- Data systems
- Preventative maintenance
Contact:
Phone: +1 604-434-2681
5. Kraun Electric
Best for: Institutional and healthcare projects
Kraun Electric focuses on environments where safety and compliance are critical. From hospitals to schools, they bring precision and reliability, ensuring every system meets strict regulatory standards.
Services:
- Institutional wiring
- Emergency power systems
- Lighting upgrades
- Maintenance contracts
Contact:
Phone: +1 905-761-9500
6. MJL Electric
Best for: Mid-size commercial jobs
MJL Electric is a solid choice for businesses looking for efficient, budget-conscious electrical solutions. They handle mid-scale projects with attention to detail and dependable turnaround times.
Services:
- Commercial installations
- Panel upgrades
- Lighting retrofits
- Troubleshooting
Contact:
Phone: +1 905-761-1234
7. RESA Power
Best for: Power systems & testing
RESA Power specializes in maintaining and testing critical electrical infrastructure. Industrial clients rely on them to keep systems running safely and efficiently through detailed inspections and engineering support.
Services:
- Power system testing
- Transformer services
- Preventative maintenance
- Engineering studies
Contact:
Phone: +1 905-264-9000
8. Spark Power
Best for: Renewable energy & solar
Spark Power is a leader in Ontario’s clean energy space. They help businesses adopt solar solutions and improve energy efficiency while offering ongoing maintenance and system optimization.
Services:
- Solar installations
- Electrical maintenance
- Energy audits
- Asset management
Contact:
Phone: +1 905-625-1100
9. Toronto Hydro-Electric System Limited
Best for: Utility-scale electrical services
Toronto Hydro plays a key role in powering the city and supporting infrastructure growth. They’re essential for grid connections and large-scale developments requiring dependable electrical supply.
Services:
- Power distribution
- Grid connections
- Infrastructure upgrades
Contact:
Phone: +1 416-542-8000
10. Langstaff & Sloan Inc.
Best for: Transit and infrastructure projects
Langstaff & Sloan is known for its work on major transit and infrastructure systems. Their expertise in complex electrical setups makes them a trusted name for large public projects.
Services:
- Transit electrification
- Signal systems
- Infrastructure wiring
Contact:
Phone: +1 416-679-1818
11. EllisDon
Best for: Design-build mega projects
EllisDon integrates electrical services into large construction projects, offering seamless coordination from planning to execution. They’re a strong choice for complex, multi-phase developments.
Services:
- Electrical integration
- Smart infrastructure
- Project management
Contact:
Phone: +1 905-896-8900
12. Bird Construction
Best for: Industrial builds
Bird Construction handles heavy industrial projects with strong electrical expertise. Their structured approach ensures projects are completed efficiently and safely.
Services:
- Industrial electrical systems
- Construction management
- Maintenance
Contact:
Phone: +1 905-602-4122
13. Modern Niagara
Best for: Energy-efficient buildings
Modern Niagara combines electrical and mechanical services to deliver energy-efficient building solutions. They’re a go-to for projects focused on sustainability and performance.
Services:
- Electrical systems
- Energy optimization
- Smart building tech
Contact:
Phone: +1 905-625-4222
14. E.S. Fox Limited
Best for: Heavy industrial projects
E.S. Fox is well-known for its work in industrial environments, offering reliable electrical construction and maintenance backed by years of hands-on experience.
Services:
- Industrial wiring
- Electrical maintenance
- Construction services
Contact:
Phone: +1 905-354-3633
15. Ainsworth Inc.
Best for: Integrated building services
Ainsworth delivers a complete range of technical services, combining electrical, HVAC, and automation systems. This makes them ideal for clients who want a single contractor handling multiple building systems.
Services:
- Electrical services
- Building automation
- HVAC integration
Contact:
Phone: +1 416-233-2751
16. Pro-Elect Technologies
Best for: Residential upgrades & renovations
Pro-Elect Technologies is a dependable choice for homeowners looking to upgrade wiring, panels, or lighting systems. They focus on clean, efficient work and are known for showing up on time and getting the job done right without unnecessary upselling.
Services:
- Home rewiring
- Panel upgrades
- Lighting installation
- Electrical repairs
Contact:
Phone: +1 905-238-1800
17. Mr. Electric of Toronto
Best for: Fast home electrical services
Mr. Electric is a well-known name for quick, reliable residential services. Their structured approach and upfront pricing make them a popular choice for homeowners who want clarity and speed.
Services:
- Electrical repairs
- Safety inspections
- Lighting upgrades
- EV charger installation
Contact:
Phone: +1 416-800-3766
18. Quality Potlight
Best for: Pot lights & modern lighting design
If lighting is your focus, Quality Potlight specializes in clean, modern installations that instantly upgrade interiors. They’re especially popular for condo and home renovations.
Services:
- Pot light installation
- LED upgrades
- Dimmer systems
- Interior lighting design
Contact:
Phone: +1 647-878-9293
19. Elco Electric
Best for: Small commercial projects
Elco Electric is a solid pick for small businesses needing dependable electrical work. They’re known for being responsive and keeping projects on schedule without cutting corners.
Services:
- Commercial wiring
- Electrical maintenance
- Lighting systems
- Troubleshooting
Contact:
Phone: +1 416-679-4250
20. Rushforth Electric
Best for: Ottawa-based commercial work
Rushforth Electric has deep roots in Ottawa, handling a wide range of commercial and institutional projects. Their long-standing reputation is built on consistency and strong client relationships.
Services:
- Commercial installations
- Design-build services
- Maintenance
- Electrical upgrades
Contact:
Phone: +1 613-746-0001
21. Osso Electric
Best for: Renovations & custom homes
Osso Electric is known for high-quality workmanship in residential renovations. They work closely with contractors and homeowners to ensure every detail is handled properly.
Services:
- Custom home wiring
- Renovation projects
- Panel upgrades
- Lighting installs
Contact:
Phone: +1 416-939-2900
22. Birnie Electric
Best for: Reliable residential services
Birnie Electric focuses on residential projects, offering dependable service for homeowners across Ontario. They’re a go-to for straightforward jobs done right the first time.
Services:
- Home electrical repairs
- Panel replacements
- Lighting upgrades
- Safety inspections
Contact:
Phone: +1 905-569-1818
23. Hamilton Electric
Best for: Hamilton-area projects
Hamilton Electric serves local clients with a strong understanding of regional needs. They handle both residential and light commercial jobs with a practical, no-nonsense approach.
Services:
- Residential wiring
- Commercial installs
- Maintenance
- Troubleshooting
Contact:
Phone: +1 905-522-5519
24. Pegasus Electric
Best for: Ongoing maintenance contracts
Pegasus Electric is ideal for businesses that need consistent electrical maintenance. Their team ensures systems stay operational and compliant over time.
Services:
- Preventative maintenance
- Electrical inspections
- Repairs
- System upgrades
Contact:
Phone: +1 416-674-4900
25. High Class Electric
Best for: Premium residential installs
High Class Electric lives up to its name by delivering polished, high-end electrical work for homes. They’re a great choice for clients who care about both function and finish.
Services:
- Custom lighting
- Home wiring
- Smart home systems
- Electrical upgrades
Contact:
Phone: +1 416-558-4881
26. 3e Electrical
Best for: Commercial electrical work
3e Electrical focuses on delivering efficient solutions for commercial clients. They’re known for staying on schedule and maintaining solid workmanship across projects.
Services:
- Commercial installations
- Electrical upgrades
- Maintenance
- Troubleshooting
Contact:
Phone: +1 416-293-5000
27. Phase Electric
Best for: Residential projects
Phase Electric handles a wide range of residential electrical needs with attention to detail and reliable timelines.
Services:
- Home wiring
- Panel upgrades
- Lighting systems
- Repairs
Contact:
Phone: +1 416-231-9999
28. AC Electrical Contractors
Best for: Industrial electrical solutions
AC Electrical Contractors work on demanding industrial environments where durability and compliance are critical.
Services:
- Industrial wiring
- Equipment connections
- Maintenance
- System upgrades
Contact:
Phone: +1 905-564-1001
29. R-W Electric
Best for: Electrical maintenance
R-W Electric provides dependable maintenance services, helping clients avoid downtime and costly repairs.
Services:
- Maintenance services
- Repairs
- Inspections
- System troubleshooting
Contact:
Phone: +1 519-748-3331
30. Bluewater Energy
Best for: Energy systems & efficiency
Bluewater Energy focuses on optimizing electrical systems for better performance and reduced energy costs.
Services:
- Energy audits
- Electrical upgrades
- System optimization
- Maintenance
Contact:
Phone: +1 519-337-8200
31. PowerON Energy Solutions
Best for: EV charger installations & energy solutions
PowerON Energy Solutions is gaining traction across Ontario for its focus on electric vehicle infrastructure. Backed by utility expertise, they help homeowners and businesses transition to EV charging with reliable, future-ready installations.
Services:
- EV charger installation
- Energy solutions
- Electrical upgrades
- Infrastructure support
Contact:
Phone: +1 416-542-8000
32. Eco Electric
Best for: Eco-friendly electrical upgrades
Eco Electric focuses on sustainability, helping clients reduce energy consumption through efficient electrical systems. They’re a great fit for environmentally conscious homeowners and businesses.
Services:
- Energy-efficient upgrades
- LED lighting
- Solar integration
- Electrical maintenance
Contact:
Phone: +1 647-360-4833
33. NextGen Electric
Best for: Smart home systems
NextGen Electric specializes in modern electrical solutions, particularly smart home integration. Their work blends convenience with cutting-edge technology for today’s connected homes.
Services:
- Smart home wiring
- Automation systems
- Lighting control
- Electrical upgrades
Contact:
Phone: +1 905-599-9200
34. City Electric Ltd.
Best for: Urban commercial projects
City Electric Ltd. is well-suited for fast-paced city projects, offering dependable service for commercial spaces and retail environments.
Services:
- Commercial wiring
- Lighting systems
- Electrical repairs
- Maintenance
Contact:
Phone: +1 416-663-6800
35. BrightWire Electrical
Best for: Lighting installations
BrightWire Electrical focuses on delivering clean, modern lighting solutions for both homes and businesses. Their attention to detail makes a noticeable difference in finished spaces.
Services:
- Lighting design
- LED upgrades
- Interior & exterior lighting
- Electrical installs
Contact:
Phone: +1 647-847-5550
36. Prime Electric Ontario
Best for: Commercial electrical services
Prime Electric Ontario handles a wide range of commercial jobs, offering reliable service and practical solutions tailored to business needs.
Services:
- Commercial installations
- Electrical maintenance
- System upgrades
- Troubleshooting
Contact:
Phone: +1 905-238-7733
37. Volt Master Electric
Best for: Electrical repairs & troubleshooting
Volt Master Electric is known for quickly diagnosing and fixing electrical issues. They’re a solid option when you need fast, effective repair work.
Services:
- Electrical repairs
- Fault detection
- Panel servicing
- Maintenance
Contact:
Phone: +1 416-839-1888
38. Urban Grid Electric
Best for: Infrastructure & grid-related work
Urban Grid Electric focuses on larger infrastructure and electrical distribution systems, making them suitable for complex urban developments.
Services:
- Infrastructure wiring
- Grid systems
- Electrical installations
- Maintenance
Contact:
Phone: +1 905-497-4411
39. SafeSpark Electric
Best for: Safety upgrades & inspections
SafeSpark Electric prioritizes electrical safety, helping clients upgrade outdated systems and meet compliance standards.
Services:
- Safety inspections
- Wiring upgrades
- Panel replacements
- Code compliance
Contact:
Phone: +1 647-812-9900
40. NorthStar Electrical
Best for: Industrial electrical services
NorthStar Electrical delivers strong performance in industrial environments where reliability and durability are key.
Services:
- Industrial wiring
- Equipment connections
- Maintenance
- Electrical upgrades
Contact:
Phone: +1 905-761-3300
41. Precision Power Electric
Best for: High-end electrical installations
Precision Power Electric focuses on detailed, high-quality work for premium residential and commercial projects.
Services:
- Custom installations
- Electrical design
- Lighting systems
- Upgrades
Contact:
Phone: +1 416-720-5020
42. Metroline Electric
Best for: City-wide electrical projects
Metroline Electric works across urban areas, handling both commercial and residential jobs with efficiency and consistency.
Services:
- Electrical installations
- Maintenance
- Repairs
- Lighting systems
Contact:
Phone: +1 416-741-4000
43. Dynamic Volt Electric
Best for: Fast-response electrical services
Dynamic Volt Electric is known for quick turnaround times, making them ideal for urgent repairs and short-notice projects.
Services:
- Emergency repairs
- Electrical troubleshooting
- Installations
- Maintenance
Contact:
Phone: +1 647-999-2100
44. Titan Electric Ontario
Best for: Large-scale construction projects
Titan Electric Ontario supports large builds with strong project management and dependable execution across multiple phases.
Services:
- Construction wiring
- Electrical systems
- Project support
- Maintenance
Contact:
Phone: +1 905-670-2220
45. Elite Current Electric
Best for: Premium residential services
Elite Current Electric delivers polished, high-quality electrical work for homeowners seeking top-tier results.
Services:
- Home wiring
- Lighting design
- Smart systems
- Electrical upgrades
Contact:
Phone: +1 416-556-7788
46. Ampere Electric
Best for: Residential & small business jobs
Ampere Electric offers flexible services for both homeowners and small businesses, focusing on reliability and fair pricing.
Services:
- Residential wiring
- Commercial installs
- Repairs
- Maintenance
Contact:
Phone: +1 905-455-4555
47. Fusion Electric
Best for: Renovation projects
Fusion Electric works closely with contractors on renovation jobs, ensuring electrical systems are updated seamlessly during upgrades.
Services:
- Renovation wiring
- Panel upgrades
- Lighting installs
- Electrical repairs
Contact:
Phone: +1 416-880-9090
48. Infinity Electric
Best for: Ongoing electrical support
Infinity Electric provides consistent service for clients needing regular electrical support and maintenance.
Services:
- Maintenance contracts
- Electrical repairs
- Inspections
- System upgrades
Contact:
Phone: +1 647-720-0007
49. Summit Electric
Best for: Commercial and industrial balance
Summit Electric bridges the gap between commercial and industrial work, offering dependable solutions for both sectors.
Services:
- Commercial wiring
- Industrial systems
- Maintenance
- Electrical upgrades
Contact:
Phone: +1 905-669-1230
50. Peak Power Electric
Best for: Energy-focused electrical solutions
Peak Power Electric focuses on improving system efficiency and supporting energy-conscious projects across Ontario.
Services:
- Energy optimization
- Electrical installations
- Maintenance
- System upgrades
Contact:
Phone: +1 416-322-9988
How to Choose the Right Electrical Company in Ontario
- Match the company to your project type
Residential, commercial, and industrial jobs require different expertise—don’t assume one contractor fits all. - Verify licensing and ESA compliance
Always confirm the company meets Ontario Electrical Safety Authority (ESA) standards to avoid legal and safety issues. - Look at real project experience
Ask for recent jobs similar to yours. Proven experience usually translates to fewer mistakes and smoother execution. - Check reviews and word-of-mouth reputation
Consistent positive feedback is a strong signal of reliability and professionalism. - Request detailed, written quotes
A good company will break down costs clearly—materials, labor, timelines—so there are no surprises later. - Evaluate communication style
If they’re slow to respond or vague early on, expect the same during your project. - Ask about timelines and availability
Top companies get booked quickly—clarify schedules upfront to avoid delays. - Don’t automatically choose the cheapest option
Low pricing can mean shortcuts, poor materials, or inexperienced labor. - Confirm insurance and warranties
Proper coverage protects you from liability, while warranties show confidence in their work.
Services Offered by Electrical Companies in Ontario
- Residential wiring and rewiring
- Electrical panel upgrades
- Commercial electrical installations
- Industrial systems and automation
- Lighting design and retrofits
- EV charger installation
- Solar and renewable energy systems
- Electrical inspections and code compliance
- Emergency repairs and troubleshooting
- Preventative maintenance contracts
Why Hiring Top Electrical Companies in Ontario Matters
- Improved safety standards
Reduces risks of electrical fires, shocks, and system failures - Code-compliant installations
Ensures your property passes inspections and avoids fines - Long-term cost savings
Quality work means fewer repairs and lower maintenance costs - Better energy efficiency
Modern systems reduce electricity consumption and utility bills - Higher property value
Professionally installed systems add resale appeal - Reliable performance
Systems are less likely to fail when installed by experienced professionals
Final Thoughts
- Ontario’s electrical industry is highly competitive, which works in your favor as a customer
- Start by shortlisting 2–3 companies that match your exact needs
- Compare not just pricing, but approach, communication, and experience
- Always prioritize quality and safety over quick, cheap fixes
- A good electrical contractor isn’t just a service provider—they’re a long-term investment in your property