86 electricians ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in St. Thomas: Current Electric, CR Score 58/100; 4.9★ from 79 Google reviews; open 24/7.
Best for emergencies (open 24/7): Studerus Electric Inc., posts 24/7 hours; ranked #2 of 86.
Most-reviewed: Reliance London Heating, Air Conditioning & Plumbing, 12,217 Google reviews at 4.8★, the most of 86 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
86 St. Thomas electricians are ranked here by CR Score, from ten published factors. 14 are open 24/7, 33 open Saturdays and 19 open Sundays, based on posted hours. The median Google rating is 4.9★ across 86 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Current Electric | 58 | 4.9★ (79) | London, 23 km away | 24/7 | Overall |
| 2 | Studerus Electric Inc. | 57 | 4.7★ (61) | London, 19 km away | 24/7 | Emergencies |
| 3 | Reliance London Heating, Air Conditioning & Plumbing | 57 | 4.8★ (12,217) | London, 29 km away | 24/7 | Most reviews |
| 4 | Vogue Electric Inc. | 57 | 5.0★ (26) | St. Thomas | Sat · Evenings | — |
| 5 | 4th Generation Electric Inc. | 56 | 3.7★ (3) | St. Thomas | 24/7 | — |
| 6 | Joel Hayes Electric | 56 | 5.0★ (16) | St. Thomas | — | — |
| 7 | PDR Electrical Contracting Company London, Ontario, Strathroy, St. Thomas and beyond | 56 | 5.0★ (56) | London, 21 km away | Sat · Sun | — |
| 8 | Hardie Industrial Services Inc. | 56 | 4.8★ (13) | London, 18 km away | 24/7 | — |
| 9 | Yates Electrical Services | 55 | 4.8★ (63) | St. Thomas | — | — |
| 10 | J.D. Patrick Electric Inc. | 55 | 4.9★ (24) | London, 28 km away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 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, 19 km away
Ranked #2 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, 29 km away
Ranked #3 because of its Google rating and review volume: 4.8★ from 12,217 Google reviews, the most in St. Thomas.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Thomas
Ranked #4 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Thomas
Ranked #5 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 St. Thomas
Ranked #6 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, 21 km away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London, 18 km away
Ranked #8 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 St. Thomas
Ranked #9 because of its Google rating and trade focus: 4.8★ from 63 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London, 28 km away
Ranked #10 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, 21 km away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London, 18 km away
Ranked #12 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, 25 km away
Ranked #13 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, 22 km away
Ranked #14 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, 30 km away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 112 Google reviews, listed on Google as “Electrical installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Thomas
Ranked #16 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Electrician”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in London, 24 km away
Ranked #17 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 Acushnet, 14 km away
Ranked #18 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, 25 km away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London, 22 km away
Ranked #20 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London, 26 km away
Ranked #21 because of its Google rating and review volume: 4.8★ from 860 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London, 21 km away
Ranked #22 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London, 22 km away
Ranked #23 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, 20 km away
Ranked #24 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, 24 km away
Ranked #25 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.
#1 to #25 are shown in full above. Here are #26 to #31, in CR Score order; each links to its profile. We publish the top 31 of 86 ranked electricians here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Owl Services | 51 | 5.0★ (6) | 22 km |
| 27 | Tim Lovett Installations | 51 | 4.0★ (4) | 18 km |
| 28 | Orzech Heating and Cooling | 50 | 4.8★ (272) | 18 km |
| 29 | Fones-Elgie Electric | 50 | 4.0★ (4) | 24 km |
| 30 | Wiring Solutions London | 50 | 4.0★ (4) | 25 km |
| 31 | Superior Plumbing & Heating of Tillsonburg | 47 | 4.7★ (21) | 38 km |
1 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 |
|---|---|---|
| RS RENOVATIONS | 4.2★ (6) | 28 km |
US national ranges converted to CAD, not adjusted for St. Thomas. 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 |
We scored 86 St. Thomas electricians on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 St. Thomas data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |