61/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 399 Google reviews, listed on Google as “Electrician”.
- 4.8★ from 399 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 555 Valley St, Manchester, NH 03103
Best Electricians in Londonderry, NH (2026)
365 electricians ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Londonderry: Cote Electric, LLC, CR Score 61/100; 4.8★ from 399 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Sylvester Electric, Inc., posts 24/7 hours; ranked #2 of 365.
- 5
Most-reviewed: Heritage Home Service, 7,956 Google reviews at 4.8★, the most of 365 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
365 Londonderry electricians are ranked here by CR Score, from ten published factors. 72 are open 24/7, 148 open Saturdays and 92 open Sundays, based on posted hours. The median Google rating is 5.0★ across 365 rated businesses.
Top 10 electricians in Londonderry at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Cote Electric, LLC | 61 | 4.8★ (399) | Manchester, 9 mi away | 24/7 | Overall |
| 2 | Sylvester Electric, Inc. | 61 | 4.7★ (898) | Dracut, 13 mi away | 24/7 | Emergencies |
| 3 | Dalpe Electric LLC | 60 | 4.9★ (52) | Derry, 3 mi away | 24/7 | — |
| 4 | High Ground Service Pros - Plumbers Electricians & HVAC Technicians | 60 | 4.9★ (2,303) | Manchester, 10 mi away | 24/7 | — |
| 5 | Heritage Home Service | 60 | 4.8★ (7,956) | Auburn, 7 mi away | 24/7 | Most reviews |
| 6 | TF Electric | 60 | 5.0★ (148) | Dracut, 14 mi away | 24/7 | — |
| 7 | Custom Electric & Communications. A VoltWorks Company. | 59 | 5.0★ (39) | Merrimack, 6 mi away | 24/7 | — |
| 8 | Spark Electrician Services LLC | 59 | 4.9★ (448) | Londonderry | — | — |
| 9 | G Soto Electrical Services, LLC | 59 | 5.0★ (45) | Manchester, 9 mi away | 24/7 | — |
| 10 | Hewson Electric LLC | 59 | 5.0★ (33) | Chester, 8 mi away | 24/7 | — |
The 365 best electricians in Londonderry, ranked
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.
Based in Dracut, 13 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.7★ from 898 Google reviews, listed on Google as “Electrician”.
- 4.7★ from 898 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1794 Bridge St Unit 9a, Dracut, MA 01826
Based in Derry, 3 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 52 Google reviews, listed on Google as “Electrician”.
- 4.9★ from 52 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 12 Birch St, Derry, NH 03038
Based in Manchester, 10 mi away
60/100CR ScoreRanked #4 because of its Google rating and review volume: 4.9★ from 2,303 Google reviews.
- 4.9★ from 2,303 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 201 Allard Dr, Manchester, NH 03102
Based in Auburn, 7 mi away
60/100CR ScoreRanked #5 because of its Google rating and review volume: 4.8★ from 7,956 Google reviews, the most in Londonderry.
- 4.8★ from 7,956 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 28 Commercial Ct, Auburn, NH 03032
#6 TF Electric
Based in Dracut, 14 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 148 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 148 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1393 Lakeview Ave #3a, Dracut, MA 01826
Based in Merrimack, 6 mi away
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 39 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 407 Daniel Webster Hwy, Merrimack, NH 03054
Based in Londonderry
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 448 Google reviews, listed on Google as “Electrician”.
- 4.9★ from 448 Google reviews
- Hours
- Mon–Fri 7:30 AM–5 PM · Sat–Sun closed
- Address
- 114 Rockingham Rd, Londonderry, NH 03053
Based in Manchester, 9 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 45 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 499 S Main St, Manchester, NH 03102
Based in Chester, 8 mi away
59/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 33 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Bedford, 9 mi away
58/100CR ScoreRanked #11 because of its Google rating and review volume: 4.8★ from 683 Google reviews.
- 4.8★ from 683 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 45 S River Rd, Bedford, NH 03110
Based in Nashua, 13 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 118 Google reviews, listed on Google as “Electrician”.
- 4.7★ from 118 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 78 Gilson Rd, Nashua, NH 03062
Based in Manchester, 9 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 454 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 454 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 326 Lincoln St, Manchester, NH 03103
Based in Chelmsford, 17 mi away
58/100CR ScoreRanked #14 because of its Google rating and review volume: 4.8★ from 2,927 Google reviews.
- 4.8★ from 2,927 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 131 Stedman St #6, Chelmsford, MA 01824
#15 JN Electric LLC
Based in Auburn, 7 mi away
58/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 157 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 157 Google reviews
- Hours
- Mon–Sat 7 AM–5 PM · Sun closed
- Address
- 181 Pingree Hill Rd, Auburn, NH 03032
#16 D&M Electric
Based in Derry, 3 mi away
58/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 34 Google reviews, listed on Google as “Electrician”.
- 4.9★ from 34 Google reviews
- Hours
- Mon–Sun 9 AM–5 PM
- Address
- 13 Highland Ave, Derry, NH 03038
Based in Tewksbury, 18 mi away
58/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 100 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 100 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 35 Hillman St #1, Tewksbury, MA 01876
Based in Wilmington, 24 mi away
58/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 242 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 242 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5 Middlesex Ave #15, Wilmington, MA 01887
#19 Kuhlman Electric
Based in Acton, 21 mi away
58/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 335 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 335 Google reviews
- Hours
- Mon–Fri 7:30 AM–7:30 PM · Sat 8 AM–5 PM · Sun 9 AM–5 PM
- Address
- 34 Sullivan Rd Unit 34, North Billerica, MA 01862
#20 Kpg Electric LLC
Based in Manchester, 10 mi away
58/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 59 Google reviews
- Hours
- Mon–Tue 7 AM–7 PM · Wed 7 AM–5 PM · Thu 7 AM–7 PM · Fri 7 AM–5 PM · Sat 11 AM–5 PM · Sun 9 AM–1 PM
- Address
- 2 Derry St, Manchester, NH 03104
Based in Manchester, 9 mi away
57/100CR ScoreRanked #21 because of its Google rating and review volume: 4.7★ from 598 Google reviews.
- 4.7★ from 598 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 76 Maple St, Manchester, NH 03103
Based in Nashua, 8 mi away
57/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 15 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- Heon Ct, Nashua, NH 03060
Based in Chester, 11 mi away
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 57 Google reviews
- Hours
- Mon–Sun 7 AM–5 PM
- Address
- 425 Lane Rd, Chester, NH 03036
Based in Londonderry
57/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 85 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 85 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 127 West Rd, Londonderry, NH 03053
#25 Kuhlman Electric
Based in Nashua, 10 mi away
57/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 39 Google reviews
- Hours
- Mon–Fri 7:30 AM–7:30 PM · Sat 8 AM–5 PM · Sun 9 AM–5 PM
- Address
- 19 Donna St, Nashua, NH 03060
Electricians ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 365 ranked electricians here; the rest are on their profiles.
Also serving Londonderry
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 |
|---|---|---|
| A J Mac Electrical Contractors | 5.0★ (2) | 7 mi |
| Almon Electric LLC | 5.0★ (17) | 19 mi |
| BestFix Power LLC | 5.0★ (2) | 9 mi |
| Brett Driscoll Electric, LLC | 5.0★ (2) | In Londonderry |
| Eastern Services of Electrical Contractors | 5.0★ (2) | 6 mi |
| Electric Power Systems | 5.0★ (2) | 8 mi |
| Heritage Home Service | 4.8★ (3,352) | 22 mi |
| Kingston Electric Inc | 4.6★ (11) | 18 mi |
| McCarty Electric Solutions | 5.0★ (2) | 8 mi |
| Modern Electric, Inc. | 5.0★ (24) | 23 mi |
| Northeast Technical Systems | In Londonderry | |
| On It Electric | 5.0★ (32) | 22 mi |
| Patrick McCarthy Electrical Contracting | 5.0★ (2) | 12 mi |
| Rexel | 4.0★ (2) | 9 mi |
| Ron Berube Electric | 5.0★ (2) | 13 mi |
| S & T Electrical, Inc. | In Londonderry | |
| Sorenson Electric, Inc. | 5.0★ (18) | 21 mi |
| Soucy Electric Inc | 5.0★ (2) | 8 mi |
| Stewart Electrical Contracting, Inc. | 4.6★ (11) | 17 mi |
| Utility Service & Assistance | 5.0★ (2) | 11 mi |
How much do electricians cost in Londonderry?
National price ranges in USD, not adjusted for Londonderry. 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 |
How to check an electrician's license in New Hampshire
In New Hampshire, New Hampshire Office of Professional Licensure and Certification licenses Electrician licenses (Electricians’ Board).
- Check that the status is active and the name matches the contract or truck.
- Ask for proof of insurance before work starts.
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
How we ranked Londonderry electricians
We scored 365 Londonderry 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 Londonderry 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 |
Electricians in Londonderry: frequently asked questions
Who is the best electrician in Londonderry?
By CR Score, the highest-ranked electrician in Londonderry, NH is Cote Electric, LLC with a CR Score of 61/100. It has 4.8★ from 399 Google reviews. It is open 24/7. Sylvester Electric, Inc. (#2) and Dalpe Electric LLC (#3) follow. We ranked 365 electricians on ten factors, last updated October 22, 2026.
How many electricians are there in Londonderry?
ContractorsRanked ranks 365 electricians serving Londonderry, NH. 2 of them are based in Londonderry; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which electricians in Londonderry are open 24/7?
72 ranked electricians in Londonderry post 24/7 hours. The highest-ranked are Cote Electric, LLC (#1), Sylvester Electric, Inc. (#2) and Dalpe Electric LLC (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which electricians in Londonderry work on weekends?
148 of 365 ranked electricians post Saturday hours and 92 post Sunday hours. The highest-ranked open Saturdays are Cote Electric, LLC (#1), Sylvester Electric, Inc. (#2) and Dalpe Electric LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check an electrician's license in New Hampshire?
In New Hampshire, New Hampshire Office of Professional Licensure and Certification handles licensing and covers Electrician licenses (Electricians’ Board).
How much does electrical panel upgrade cost in Londonderry?
Electrical panel upgrade typically costs $518 to $2,193, with $1,347 typical (Per panel, installed; typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Londonderry. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Londonderry electricians have?
The median Google rating among 365 rated electricians in Londonderry is 5.0★, with a median of 13 reviews. Heritage Home Service has the most, 7,956 reviews, and ranks #5. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank electricians?
Each electrician gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Londonderry
- October 2026: CR Scores recalculated for 365 electricians serving Londonderry.
- October 2026: 2 duplicate listings merged.
More electricians and Londonderry pages
Electricians near Londonderry
- Electricians in Derry, NH380 ranked
- Electricians in Derry Village, NH368 ranked
- Electricians in Litchfield, NH350 ranked
- Electricians in Windham, NH457 ranked
- Electricians in Merrimack, NH338 ranked
- Electricians in Hudson, NH426 ranked
- Electricians in Nashua, NH406 ranked
- Electricians in Chester, NH337 ranked
- Electricians in Bedford, NH306 ranked
- Electricians in Pelham, NH516 ranked
Other trades in Londonderry
- Roofers in Londonderry874 ranked
- Plumbers in Londonderry398 ranked
- HVAC contractors in Londonderry574 ranked
- General contractors in Londonderry525 ranked
- Painters in Londonderry162 ranked
- Landscapers in Londonderry244 ranked
- Handymen in Londonderry71 ranked
- Kitchen remodelers in Londonderry288 ranked
- Bathroom remodelers in Londonderry272 ranked
- Flooring contractors in Londonderry188 ranked
- Tile installers in Londonderry32 ranked
- Drywall contractors in Londonderry16 ranked
- Concrete contractors in Londonderry97 ranked
- Fence contractors in Londonderry91 ranked
- Deck builders in Londonderry163 ranked
- Siding contractors in Londonderry444 ranked
- Window installers in Londonderry354 ranked
- Gutter installers in Londonderry103 ranked
- Insulation contractors in Londonderry55 ranked
- Solar installers in Londonderry130 ranked
- Garage door repair companies in Londonderry43 ranked
- Foundation repair companies in Londonderry138 ranked
- Tree services in Londonderry195 ranked
- Masonry contractors in Londonderry225 ranked
- Water damage restoration companies in Londonderry344 ranked
- Home builders in Londonderry412 ranked
- Demolition contractors in Londonderry54 ranked
- All contractors in Londonderry