32 electricians ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Corunna: Reliance Home Comfort, CR Score 60/100; 4.8★ from 3,256 Google reviews; open 24/7.
Best for emergencies (open 24/7): Great Lakes Electric, Sarnia Electricians, posts 24/7 hours; ranked #2 of 32.
Most-reviewed: T-N-T Electric, 73 Google reviews at 4.9★, the most of 32 ranked after Reliance Home Comfort; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
32 Corunna electricians are ranked here by CR Score, from ten published factors. 5 are open 24/7, 8 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.9★ across 32 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Reliance Home Comfort | 60 | 4.8★ (3,256) | Sarnia, 10 km away | 24/7 | Overall |
| 2 | Great Lakes Electric, Sarnia Electricians | 58 | 5.0★ (31) | Sarnia, 18 km away | 24/7 | Emergencies |
| 3 | Ainsworth Electric Inc | 57 | 4.0★ (48) | Port Huron, 8 km away | 24/7 | — |
| 4 | Kingdom Electric | 57 | 4.9★ (54) | Port Huron, 10 km away | Sat · Evenings | — |
| 5 | Sipkens Earl Electric Ltd. | 57 | 5.0★ (9) | Sarnia, 12 km away | 24/7 | — |
| 6 | L & L Electric Inc. | 57 | 5.0★ (57) | Sarnia, 14 km away | Sat · Evenings | — |
| 7 | T-N-T Electric | 55 | 4.9★ (73) | Port Huron, 10 km away | — | Most reviews |
| 8 | Shirkey Electric | 54 | 4.7★ (34) | Marysville, 5 km away | — | — |
| 9 | TIB Electric | 54 | 4.9★ (44) | Sarnia, 10 km away | — | — |
| 10 | Gary Burdett Electric | 54 | 4.9★ (12) | Sarnia, 13 km away | — | — |
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 review volume: 4.8★ from 3,256 Google reviews, the most in Corunna.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 18 km away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Huron, 8 km away
Ranked #3 because of its Google rating and trade focus: 4.0★ from 48 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Huron, 10 km away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 54 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 12 km away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 14 km away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Huron, 10 km away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 73 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marysville, 5 km away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 34 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 10 km away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 44 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 13 km away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 12 Google reviews, listed on Google as “Electrician”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Sarnia, 6 km away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 20 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Clair Shores, 25 km away
Ranked #12 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 Port Huron, 9 km away
Ranked #13 because of its Google rating and trade focus: 4.2★ from 57 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 10 km away
Ranked #14 because of its Google rating and trade focus: 3.4★ from 5 Google reviews, listed on Google as “Electrician”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Sarnia, 13 km away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 11 km away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Electrical installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 9 km away
Ranked #17 because of its Google rating and trade focus: 3.9★ from 38 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Huron, 8 km away
Ranked #18 because of its Google rating and trade focus: 3.8★ from 13 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Richmond, 28 km away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 38 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 10 km away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 26 km away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 10 km away
Ranked #22 because of its Google rating and trade focus: 3.6★ from 11 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia, 9 km away
Ranked #23 because of its Google rating and trade focus: 3.0★ from 6 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Richmond, 35 km away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 38 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Clair Shores, 23 km away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #32, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Dan Jordan Electric, Inc. | 49 | 4.4★ (7) | 34 km |
| 27 | Beacon Electric Inc | 49 | 5.0★ (7) | 28 km |
| 28 | Lubinski Electric Inc | 49 | 4.7★ (30) | 40 km |
| 29 | Anchor Bay Electric | 48 | 5.0★ (4) | 38 km |
| 30 | Sawyer Services Inc. | 48 | 4.2★ (30) | 35 km |
| 31 | Industry Electric | 47 | 4.3★ (6) | 34 km |
| 32 | M3 Industrial Contracting | 43 | 5.0★ (3) | 27 km |
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 |
|---|---|---|
| 3-Phase Electrical | 5.0★ (1) | 9 km |
| B & T Electric Inc | 9 km | |
| Bliant Electrical Contractor | 5.0★ (2) | 11 km |
| Brenner Electric | 5 km | |
| Brogden Electrical Contractors | 5.0★ (1) | 9 km |
| DMW Electrical Instrumentation Inc | 5.0★ (2) | 9 km |
| Electrician Sarnia | 5.0★ (1) | 9 km |
| First Impression Building Maintenance & Construction | 5.0★ (2) | 35 km |
| M E Power and Light LLC | 9 km | |
| Newport Electric | 3.0★ (2) | 37 km |
| Pegg Electrical Maintenance | 5.0★ (1) | 5 km |
| Plumbfit | 5.0★ (1) | In Corunna |
| Postill Electric Inc | 5.0★ (2) | 5 km |
| PowerUp Electrical Contracting, LLC | 5.0★ (2) | 27 km |
| Preferred Electric | 1.0★ (1) | 9 km |
| Sarnia Electric Company | 10 km | |
| Shonnonsrsmith | 11 km | |
| Sopha Electric Inc | 9 km | |
| TJI Multi-Trade Contractors | 4.5★ (2) | 9 km |
| Xtreme Powerline Construction Inc. | 11 km |
US national ranges converted to CAD, not adjusted for Corunna. 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 32 Corunna 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 Corunna 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 |