⚡ Official Rankings
10 Best Electricians in Londonderry, NH (August 2026)
We compared 10 electricians serving Londonderry and Rockingham County, New Hampshire, and ranked the top providers by verified reviews, ratings, and local reputation — 1,091 customer reviews in all.
The 10 listed below hold an average rating of 5.0 out of 5, led by Sunergy Solutions, LLC. Updated for August 2026.
- Electricians ranked
- 10
- Average rating
- 5.0★
- Reviews analyzed
- 1,091
- Area code
- 603
#1
Sunergy Solutions, LLC
⭐ 5.0 · 109 reviews
75 Gilcreast Rd Ste 210, Londonderry, NH 03053
#2
Nelson Electric & Air
⭐ 5.0 · 99 reviews
127 West Rd, Londonderry, NH 03053
#3
Spark Electrician Services LLC
⭐ 4.9 · 466 reviews
114 Rockingham Rd, Londonderry, NH 03053
#4
Rob Roy Mechanical
⭐ 4.9 · 259 reviews
86 Nashua Rd #1279, Londonderry, NH 03053
#5
#6
#7
#8
#9
Apple Valley Electric
⭐ 5.0 · 7 reviews
21 Old Manchester Rd, Derry, NH 03038
#10
Electricians listed here serve Londonderry, Rockingham County, and nearby ZIP codes including 03053.