88/100CR Score
Ranked #1 because of its Google rating and availability: 4.9★ from 210 Google reviews, open 24/7.
- 4.9★ from 210 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 45 Livingston Rd, Toronto, ON M1E 1K8
Best Electricians in Markham, ON (2026)
719 electricians ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Markham: L K Electric, CR Score 88/100; 4.9★ from 210 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Tron Electrical & Automation, posts 24/7 hours; ranked #2 of 719.
- 5
Most-reviewed: Reliance Heating, Air Conditioning & Plumbing, 10,870 Google reviews at 4.9★, the most of 719 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
719 Markham electricians are ranked here by CR Score, from 8 published factors. 211 are open 24/7, 468 open Saturdays and 315 open Sundays, based on posted hours. The median Google rating is 5.0★ across 719 rated businesses.
Top 10 electricians in Markham at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | L K Electric | 88 | 4.9★ (210) | Toronto, 15 km away | 24/7 | Overall |
| 2 | Tron Electrical & Automation | 87 | 4.9★ (478) | Vaughan, 23 km away | 24/7 | Emergencies |
| 3 | Quality Potlight | 87 | 5.0★ (187) | Markham | Sat · Sun | — |
| 4 | M.S Electric Services Ltd. | 87 | 5.0★ (71) | Pickering, 11 km away | 24/7 | — |
| 5 | Reliance Heating, Air Conditioning & Plumbing | 87 | 4.9★ (10,870) | Richmond Hill, 10 km away | 24/7 | Most reviews |
| 6 | E-Care Electrical Services | 87 | 4.8★ (219) | Pickering, 15 km away | 24/7 | — |
| 7 | Friendly Neighbourhood Electrician | 87 | 4.9★ (28) | Markham | 24/7 | — |
| 8 | Condo Potlight | 87 | 5.0★ (142) | Markham | Sat · Sun | — |
| 9 | YT Electric Ltd. | 87 | 4.9★ (42) | Burlington, 5 km away | 24/7 | — |
| 10 | GTA Electrician | 87 | 5.0★ (44) | Markham | 24/7 | — |
The 719 best electricians in Markham, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Vaughan, 23 km away
87/100CR ScoreRanked #2 because of its Google rating and availability: 4.9★ from 478 Google reviews, open 24/7.
- 4.9★ from 478 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 71 Silton Rd #1, Vaughan, ON L4L 7Z8
Based in Markham
87/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 187 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 187 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat–Sun 7 AM–5 PM
- Address
- 20 Amber St Unit 7, Markham, ON L3R 5P4
Based in Pickering, 11 km away
87/100CR ScoreRanked #4 because of its Google rating and availability: 5.0★ from 71 Google reviews, open 24/7.
- 5.0★ from 71 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1870 Altona Rd, Pickering, ON L1V 1M8
Based in Richmond Hill, 10 km away
87/100CR ScoreRanked #5 because of its Google rating and availability: 4.9★ from 10,870 Google reviews, open 24/7.
- 4.9★ from 10,870 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 200 West Beaver Creek Rd Unit 1-7, Richmond Hill, ON L4B 1B4
Based in Pickering, 15 km away
87/100CR ScoreRanked #6 because of its Google rating and availability: 4.8★ from 219 Google reviews, open 24/7.
- 4.8★ from 219 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2322 Wildwood Crescent, Pickering, ON L1X 2N1
Based in Markham
87/100CR ScoreRanked #7 because of its Google rating and availability: 4.9★ from 28 Google reviews, open 24/7.
- 4.9★ from 28 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Markham
87/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 142 Google reviews, listed on Google as “Electrical installation service”.
- 5.0★ from 142 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun 10 AM–4 PM
- Address
- 20 Amber St Unit 7, Markham, ON L3R 5P4
Based in Burlington, 5 km away
87/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 42 Google reviews, open 24/7.
- 4.9★ from 42 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#10 GTA Electrician
Based in Markham
87/100CR ScoreRanked #10 because of its Google rating and availability: 5.0★ from 44 Google reviews, open 24/7.
- 5.0★ from 44 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Markham
87/100CR ScoreRanked #11 because of its Google rating and availability: 4.8★ from 29 Google reviews, open 24/7.
- 4.8★ from 29 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- Don Park Rd, Markham, ON L3R 1C5
Based in Oshawa, 5 km away
86/100CR ScoreRanked #12 because of its Google rating and availability: 4.9★ from 35 Google reviews, open 24/7.
- 4.9★ from 35 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Scarborough, 11 km away
86/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 51 Google reviews, open 24/7.
- 5.0★ from 51 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 127 Slan Ave, Scarborough, ON M1G 3B7
Based in Oshawa, 31 km away
86/100CR ScoreRanked #14 because of its Google rating and availability: 5.0★ from 328 Google reviews, open 24/7.
- 5.0★ from 328 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1260 Terwillegar Ave Unit 3, Oshawa, ON L1J 7A5
Based in Scarborough, 10 km away
86/100CR ScoreRanked #15 because of its Google rating and availability: 4.9★ from 45 Google reviews, open 24/7.
- 4.9★ from 45 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 921 Progress Ave #16, Scarborough, ON M1G 3V4
Based in North York, 15 km away
86/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 55 Google reviews, open 24/7.
- 5.0★ from 55 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8 Rean Dr, North York, ON M2K 3B9
Based in Markham
86/100CR ScoreRanked #17 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.
- 5.0★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 15 Allstate Pkwy 6th Floor, Markham, ON L3R 5B4
Based in Ajax, 28 km away
86/100CR ScoreRanked #18 because of its Google rating and availability: 4.9★ from 317 Google reviews, open 24/7.
- 4.9★ from 317 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 117 Pine Hills Rd, Whitby, ON L1N 6N9
Based in Scarborough, 11 km away
86/100CR ScoreRanked #19 because of its Google rating and availability: 5.0★ from 36 Google reviews, open 24/7.
- 5.0★ from 36 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 47 Sugarbush Square, Scarborough, ON M1C 3M6
Based in Toronto, 24 km away
86/100CR ScoreRanked #20 because of its Google rating and availability: 4.8★ from 272 Google reviews, open 24/7.
- 4.8★ from 272 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 51 Holland Park Ave, Toronto, ON M6C 1M3
Based in North York, 17 km away
86/100CR ScoreRanked #21 because of its Google rating and availability: 5.0★ from 53 Google reviews, open 24/7.
- 5.0★ from 53 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 25 Sheppard Ave W, North York, ON M2N 6S6
#22 J.L.S Electric
Based in Aurora, 21 km away
85/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 73 Google reviews, open 24/7.
- 5.0★ from 73 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 31 Kennedy St W, Aurora, ON L4G 2L6
#23 OKANA Electrical
Based in East Gwillimbury, 18 km away
85/100CR ScoreRanked #23 because of its Google rating and availability: 4.9★ from 68 Google reviews, open 24/7.
- 4.9★ from 68 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8 Victor Dr, Whitchurch-Stouffville, ON L4A 3G5
Based in Toronto, 26 km away
85/100CR ScoreRanked #24 because of its Google rating and availability: 4.9★ from 150 Google reviews, open 24/7.
- 4.9★ from 150 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- First Canadian Place, 100 King St W Suite 5700, Toronto, ON M5X 1C7
Based in Concord, 5 km away
85/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 135 Google reviews, listed on Google as “Electrician”.
- 4.9★ from 135 Google reviews
- Hours
- Mon–Fri 6:30 AM–9 PM · Sat 8 AM–5 PM · Sun 8 AM–1 PM
Electricians ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 719 ranked electricians here; the rest are on their profiles.
Also serving Markham
20 more electricians within 40 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| AJ Electrical | 4.0★ (2) | In Markham |
| Altman's Electrical Inc | 4.8★ (21) | 15 km |
| Autovolt Industrial Solutions Inc. | In Markham | |
| BADA ELECTRIC AUTOMATION | In Markham | |
| Best Electric Co. | 5.0★ (2) | In Markham |
| Civic Electric Corp | 5.0★ (2) | In Markham |
| Clarke Electric | 4.3★ (6) | In Markham |
| Copper Globe electrical Inc | In Markham | |
| ECH Agency Inc. | In Markham | |
| Electric Group Limited | 5.0★ (2) | In Markham |
| Enercare | 4.8★ (11,186) | 23 km |
| Falstaff Electrical Svc Ltd | In Markham | |
| Harp Electric Ltd | 5.0★ (2) | In Markham |
| Imperial Energy | 4.8★ (123) | In Markham |
| Kronos Electrical Contractors Ltd. | 4.6★ (75) | 21 km |
| MAJ ELECTRICAL SERVICES INC. | 5.0★ (1) | In Markham |
| Maple Air - Heating, Cooling & Electrical | 4.8★ (1,309) | 22 km |
| Mersey Heating & Air Conditioning | 4.6★ (84) | In Markham |
| Morloz Electrical | In Markham | |
| RocketEV Charging Solutions | 4.9★ (191) | 22 km |
How much do electricians cost in Markham?
US national ranges converted to CAD, not adjusted for Markham. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Electrical panel upgrade | CA$730 | CA$1,890 | CA$3,080 | Per panel, installed; typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
How we ranked Markham electricians
We scored 719 Markham electricians on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Markham data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
Electricians in Markham: frequently asked questions
Who is the best electrician in Markham?
By CR Score, the highest-ranked electrician in Markham, ON is L K Electric with a CR Score of 88/100. It has 4.9★ from 210 Google reviews. It is open 24/7. Tron Electrical & Automation (#2) and Quality Potlight (#3) follow. We ranked 719 electricians on 8 factors, last updated October 22, 2026.
How many electricians are there in Markham?
ContractorsRanked ranks 719 electricians serving Markham, ON. 10 of them are based in Markham; the rest serve it from nearby towns. Another 20 within 40 km are listed but not ranked yet. Counts are as of October 2026.
Which electricians in Markham are open 24/7?
211 ranked electricians in Markham post 24/7 hours. The highest-ranked are L K Electric (#1), Tron Electrical & Automation (#2) and M.S Electric Services Ltd. (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which electricians in Markham work on weekends?
468 of 719 ranked electricians post Saturday hours and 315 post Sunday hours. The highest-ranked open Saturdays are L K Electric (#1), Tron Electrical & Automation (#2) and Quality Potlight (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does electrical panel upgrade cost in Markham?
Electrical panel upgrade typically costs CA$730 to CA$3,080, with CA$1,890 typical (Per panel, installed; typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)). This is a national range, not adjusted for Markham. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Markham electricians have?
The median Google rating among 719 rated electricians in Markham is 5.0★, with a median of 17 reviews. Reliance Heating, Air Conditioning & Plumbing has the most, 10,870 reviews, and ranks #5. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank electricians?
Each electrician gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do electricians outside Markham count in this ranking?
Yes, if they are within 40 km of the Markham city centre, our service radius for electricians. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Markham
- October 2026: CR Scores recalculated for 719 electricians serving Markham.
- October 2026: 2 duplicate listings merged.
More electricians and Markham pages
Electricians near Markham
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