383 electricians ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Hamilton Worcester: Landry Mechanical Inc Plumbing HVAC & Electric, CR Score 62/100; 4.8★ from 3,030 Google reviews; open 24/7.
Best for emergencies (open 24/7): Central Mass Electrical Contractors LLC. dba: Markarian Electric LLC., posts 24/7 hours; ranked #2 of 383.
Most-reviewed: Nicholson Plumbing, Electrical, Heating, and Air Conditioning, 2,950 Google reviews at 4.8★, the most of 383 ranked after Landry Mechanical Inc Plumbing HVAC & Electric; ranked #19.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
383 Hamilton Worcester electricians are ranked here by CR Score, from ten published factors. 102 are open 24/7, 214 open Saturdays and 140 open Sundays, based on posted hours. The median Google rating is 5.0★ across 383 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Landry Mechanical Inc Plumbing HVAC & Electric | 62 | 4.8★ (3,030) | Millbury, 4 mi away | 24/7 | Overall |
| 2 | Central Mass Electrical Contractors LLC. dba: Markarian Electric LLC. | 62 | 5.0★ (91) | Auburn, 4 mi away | 24/7 | Emergencies |
| 3 | Mister Sparky Electricians MA | 62 | 5.0★ (141) | Natick, 7 mi away | 24/7 | — |
| 4 | Control Point Heating • Cooling • Plumbing • Electric | 61 | 5.0★ (586) | Shrewsbury, 3 mi away | 24/7 | — |
| 5 | Anthony Gazzaniga - AGazz Electric Services LLC | 61 | 5.0★ (151) | Auburn, 10 mi away | 24/7 | — |
| 6 | On Call Electric | 61 | 5.0★ (164) | Marlborough, 12 mi away | 24/7 | — |
| 7 | Heritage Home Service | 60 | 4.9★ (2,563) | Auburn, 4 mi away | 24/7 | — |
| 8 | Quick Response Electrical Service | 60 | 4.9★ (207) | Framingham, 14 mi away | 24/7 | — |
| 9 | Alvaro M. Perez Electrician | 60 | 4.9★ (47) | Auburn, 5 mi away | 24/7 | — |
| 10 | Nieves Electric | 60 | 4.8★ (132) | Grafton, 4 mi away | Sat · Sun | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 in Hamilton Worcester
Based in Millbury, 4 mi away
Ranked #1 because of its Google rating and review volume: 4.8★ from 3,030 Google reviews, the most in Hamilton Worcester.
Based in Auburn, 4 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 91 Google reviews, listed on Google as “Electrician”.
Based in Natick, 7 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 141 Google reviews, listed on Google as “Electrician”.
Based in Shrewsbury, 3 mi away
Ranked #4 because of its Google rating and review volume: 5.0★ from 586 Google reviews.
Based in Auburn, 10 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 151 Google reviews, listed on Google as “Electrician”.
Based in Marlborough, 12 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 164 Google reviews, listed on Google as “Electrician”.
Based in Auburn, 4 mi away
Ranked #7 because of its Google rating and review volume: 4.9★ from 2,563 Google reviews.
Based in Framingham, 14 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 207 Google reviews, listed on Google as “Electrical installation service”.
Based in Auburn, 5 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 47 Google reviews, listed on Google as “Electrician”.
Based in Grafton, 4 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 132 Google reviews, listed on Google as “Electrician”.
Based in Worcester, 1 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Electrician”.
Based in Auburn, 5 mi away
Ranked #12 because of its Google rating and trade focus: 4.6★ from 62 Google reviews, listed on Google as “Electrician”.
Based in Shrewsbury, 2 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “Electrical installation service”.
Based in Shrewsbury, 2 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 270 Google reviews, listed on Google as “HVAC contractor”.
Based in Framingham, 17 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 126 Google reviews, listed on Google as “Electrician”.
Based in Worcester, 2 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 94 Google reviews, listed on Google as “Electrician”.
Based in Framingham, 18 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 136 Google reviews, listed on Google as “Electrician”.
Based in Malden, 10 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Electrician”.
Based in Holliston, 19 mi away
Ranked #19 because of its Google rating and review volume: 4.8★ from 2,950 Google reviews.
Based in Putnam, 9 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Electrician”.
Based in Grafton, 10 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Electrician”.
Based in Charlton, 11 mi away
Ranked #22 because of its Google rating and review volume: 4.9★ from 424 Google reviews.
Based in Auburn, 4 mi away
Ranked #23 because of its Google rating and review volume: 4.7★ from 1,413 Google reviews.
Based in Worcester, 1 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Electrician”.
Based in Arlington, 16 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 71 Google reviews, listed on Google as “Electrician”.
#1 to #25 are shown in full above. Here are #26 to #37, in CR Score order; each links to its profile. We publish the top 37 of 383 ranked electricians here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Linares Electric | 58 | 4.7★ (173) | 18 mi |
| 28 | Michael Moll Licensed Electrician | 58 | 5.0★ (24) | 10 mi |
| 37 | Best Yet Installations, Inc. - Plumbing, Appliance Installation & Electrical | 57 | 4.6★ (825) | 12 mi |
National price ranges in USD, not adjusted for Hamilton Worcester. 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 |
In Massachusetts, Massachusetts Board of State Examiners of Electricians licenses Electrical wiring and equipment work.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
We scored 383 Hamilton Worcester 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 Hamilton Worcester 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 |