31 electricians ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Union: Potts Electric (Formerly Spark Daddy), CR Score 61/100; 5.0★ from 358 Google reviews.
Best for emergencies (open 24/7): Hogan Brothers Electric, posts 24/7 hours; ranked #2 of 31.
Most-reviewed: Outdoor Lighting Perspectives of St. Louis, 417 Google reviews at 4.9★, the most of 31 ranked; ranked #24.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
31 Union electricians are ranked here by CR Score, from ten published factors. 5 are open 24/7, 12 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 4.8★ across 31 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Potts Electric (Formerly Spark Daddy) | 61 | 5.0★ (358) | Pacific, 11 mi away | — | Overall |
| 2 | Hogan Brothers Electric | 59 | 5.0★ (13) | Wildwood, 7 mi away | 24/7 | Emergencies |
| 3 | Amplify Electrical Services | 57 | 4.8★ (49) | Washington, 7 mi away | — | — |
| 4 | Derek's Heating, Cooling & Electrical | 56 | 4.9★ (88) | Union | — | — |
| 5 | D.Power Electrical | 56 | 5.0★ (14) | Dardenne Prairie, 15 mi away | 24/7 | — |
| 6 | LCS Plumbing & Electrical | 55 | 4.9★ (51) | Union | — | — |
| 7 | Mundwiller Electric | 55 | 4.8★ (18) | Washington, 6 mi away | — | — |
| 8 | Sheffield Electrical | 54 | 5.0★ (9) | O'Fallon, 18 mi away | Sat · Sun · Evenings | — |
| 9 | CSE, LLC | 54 | 5.0★ (17) | Ellisville, 24 mi away | Sat · Sun · Evenings | — |
| 10 | Eckelkamp Elect Co | 54 | 4.6★ (11) | Washington, 6 mi away | Evenings | — |
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: 5.0★ from 358 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wildwood, 7 mi away
Ranked #2 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 Washington, 7 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 49 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Union
Ranked #4 because of its Google rating and review volume: 4.9★ from 88 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dardenne Prairie, 15 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Union
Ranked #6 because of its Google rating and trade focus: 4.9★ from 51 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Washington, 6 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 18 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in O'Fallon, 18 mi away
Ranked #8 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 Ellisville, 24 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Washington, 6 mi away
Ranked #10 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Peters, 25 mi away
Ranked #11 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 Union
Ranked #12 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 Union
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 Eureka, 21 mi away
Ranked #14 because of its Google rating and trade focus: 3.8★ from 4 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pacific, 14 mi away
Ranked #15 because of its Google rating and trade focus: 2.7★ from 20 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ballwin, 23 mi away
Ranked #16 because of its Google rating and trade focus: 4.0★ from 16 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Washington, 6 mi away
Ranked #17 because of its Google rating and trade focus: 4.4★ from 17 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Union
Ranked #18 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Eureka, 21 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dardenne Prairie, 24 mi away
Ranked #20 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sullivan, 17 mi away
Ranked #21 because of its Google rating and trade focus: 4.3★ from 19 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dardenne Prairie, 24 mi away
Ranked #22 because of its Google rating and trade focus: 4.6★ from 12 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Washington, 14 mi away
Ranked #23 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.
Based in Dardenne Prairie, 24 mi away
Ranked #24 because of its Google rating and review volume: 4.9★ from 417 Google reviews, the most in Union.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wildwood, 10 mi away
Ranked #25 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.
#1 to #25 are shown in full above. Here are #26 to #31, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Gallagher Mechanical | 50 | 3.9★ (33) | 15 mi |
| 27 | JLB Electric | 50 | 5.0★ (12) | 24 mi |
| 28 | FRUEH | 50 | 4.8★ (16) | In Union |
| 29 | Paul's Plumbing & Electrical | 49 | 4.0★ (4) | In Union |
| 30 | American Electric & Data, Inc. | 49 | 3.5★ (8) | 19 mi |
| 31 | Branson Electric Inc. | 48 | 3.9★ (7) | 20 mi |
20 more electricians within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| 5B Electric | 5.0★ (1) | 21 mi |
| AC Electric & Handyman Services | 7 mi | |
| Air Conditioner & Furnace Repair Derek's Heating, Cooling & Electrical LLC. | In Union | |
| Amplify Electrical Services | 5.0★ (1) | 6 mi |
| Biermann Electric | In Union | |
| Birkel Electric | 18 mi | |
| Butler Electrical Contracting | 21 mi | |
| Cassette Appliance & Electric | 3.0★ (2) | 8 mi |
| CENTRAL ELECTRIC | 20 mi | |
| Dynamic Electric | 4.5★ (2) | 11 mi |
| Goodman Electric LLC | 5.0★ (2) | 24 mi |
| JCS Electric, LLC | 21 mi | |
| JME COMPANIES LLC | In Union | |
| Mayes Electric LLC | 15 mi | |
| Powre Tek Electrical Field Services, LLC | 7 mi | |
| Reinvention | 18 mi | |
| Rob-N-Son Electric | In Union | |
| T-Dot Electric LLC | In Union | |
| Taylor Electrical Services | In Union | |
| Washington Electric Inc | 5.0★ (2) | 7 mi |
National price ranges in USD, not adjusted for Union. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Electrical panel upgrade | $518 | $1,347 | $2,193 | Per panel, installed; typical range of customer-reported jobs. US national range | October 2026 |
We scored 31 Union 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 Union 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 |