Top 50 of 95 electricians, in emergency orderUpdated 0 paid placements in this rankingHow we rank
15 of the 50 electricians on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.
#1 for emergency electrical work in London: Reliance London Heating, Air Conditioning & Plumbing, open 24/7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
| Rank | Business | CR Score | Google rating | Based in | Hours |
|---|---|---|---|---|---|
| 1 | Reliance London Heating, Air Conditioning & Plumbing | 62 | 4.8★ (12,217) | London | 24/7 |
| 2 | Current Electric | 62 | 4.9★ (79) | London | 24/7 |
| 3 | Studerus Electric Inc. | 61 | 4.7★ (61) | London | 24/7 |
| 4 | J.D. Patrick Electric Inc. | 60 | 4.9★ (24) | London | 24/7 |
| 5 | Local Electric | 60 | 4.8★ (19) | London | 24/7 |
| 6 | Hardie Industrial Services Inc. | 59 | 4.8★ (13) | London | 24/7 |
| 7 | Roy Inch & Sons Home Services by Enercare | 59 | 4.7★ (1,490) | London | 24/7 |
| 8 | Green Wire Electric | 58 | 5.0★ (4) | London | 24/7 |
| 9 | Electric J Contracting Ltd | 58 | 5.0★ (51) | Huron East, 23 km away | 24/7 |
| 10 | VB Electrical Solutions | 57 | 5.0★ (3) | London | 24/7 |
24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.
#1Reliance London Heating, Air Conditioning & Plumbing
Open 24/7 · 4.8 from 12,217 Google reviews
Open 24/7 · 4.9 from 79 Google reviews
Open 24/7 · 4.7 from 61 Google reviews
Open 24/7 · 4.9 from 24 Google reviews
Open 24/7 · 4.8 from 19 Google reviews
#6Hardie Industrial Services Inc.
Open 24/7 · 4.8 from 13 Google reviews
#7Roy Inch & Sons Home Services by Enercare
Open 24/7 · 4.7 from 1,490 Google reviews
Open 24/7 · 5.0 from 4 Google reviews
24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 95 is on the electricians page.
Ranked #1 because of its Google rating and review volume: 4.8★ from 12,217 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #2 because of its Google rating and trade focus: 4.9★ from 79 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #3 because of its Google rating and trade focus: 4.7★ from 61 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #4 because of its Google rating and trade focus: 4.9★ from 24 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #5 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #6 because of its Google rating and trade focus: 4.8★ from 13 Google reviews, listed on Google as “Electrical installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #7 because of its Google rating and review volume: 4.7★ from 1,490 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #8 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Huron East, 23 km away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #10 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #11 because of its Google rating and review volume: 4.8★ from 272 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Thomas, 22 km away
Ranked #12 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lambton Shores, 29 km away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #14 because of its Google rating and availability: 4.2★ from 6 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Acushnet, 37 km away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #16 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Electrician”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in London
Ranked #17 because of its Google rating and trade focus: 4.4★ from 14 Google reviews, listed on Google as “Electrician”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in London
Ranked #18 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Electrician”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in London
Ranked #19 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Electrician”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in London
Ranked #20 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Electrician”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in London
Ranked #21 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Electrician”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in St. Thomas, 24 km away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Electrician”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in London
Ranked #23 because of its Google rating and trade focus: 5.0★ from 182 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #24 because of its Google rating and trade focus: 4.9★ from 219 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bluewater, 26 km away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Electrician”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | FES Electric | 44 | 5.0★ (112) | In London |
| 27 | Elway Electric Ltd. | 43 | 4.9★ (119) | In London |
| 28 | MD Electric | 43 | 5.0★ (3) | 23 km |
| 29 | Forman Electric | 43 | 4.2★ (9) | 30 km |
| 30 | Stonetown Electric Inc. | 43 | 5.0★ (7) | 31 km |
| 31 | Mocoley Electric | 43 | 5.0★ (6) | 31 km |
| 32 | PDR Electrical Contracting Company London, Ontario, Strathroy, St. Thomas and beyond | 43 | 5.0★ (56) | In London |
| 33 | DLS Electric (London) Inc. | 42 | 4.8★ (69) | In London |
| 34 | London Audio | 42 | 4.7★ (81) | In London |
| 35 | PTN Electrical and Automation Solutions Ltd | 42 | 4.6★ (60) | In London |
| 36 | M&M Electric Services Inc | 42 | 5.0★ (35) | In London |
| 37 | Levere Electric | 42 | 5.0★ (32) | In London |
| 38 | Sebco Electric Ltd , London Electrician | 42 | 5.0★ (32) | In London |
| 39 | G & S Electric | 42 | 4.8★ (40) | In London |
| 40 | Nicholson Electrical Services | 42 | 4.5★ (61) | In London |
| 41 | Ray's Electric | 41 | 4.7★ (30) | In London |
| 42 | Kirby Electric | 41 | 5.0★ (7) | 39 km |
| 43 | O'Shea Electrical | 41 | 4.8★ (20) | In London |
| 44 | A&N Electric | 41 | 4.9★ (18) | In London |
| 45 | Tilco Electric Ltd | 41 | 4.5★ (27) | In London |
| 46 | Noble Electrical Contractors Ltd | 41 | 5.0★ (16) | In London |
| 47 | GES electric services london ontario | 41 | 4.7★ (18) | In London |
| 48 | Pro Electric Inc | 41 | 4.5★ (22) | In London |
| 49 | Williamson Electric | 41 | 5.0★ (14) | In London |
| 50 | London Power Corporation Inc | 40 | 5.0★ (12) | In London |
Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 electricians are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.
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 |
|---|---|---|
| Reputation | 15% | Google star rating, adjusted for how many reviews back it |
| Credentials | 15% | Active state license, bond and workers’ comp on file |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list |
| Recency | 5% | Share of reviews from the last 12 months |
| Availability | 15% | Weekly open hours, Saturday, Sunday, 24/7 or same-day |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) |
| Proximity | 5% | Based in the city scores highest, less the farther away it is |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are |