Gallagher Electric, Inc.

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Gallagher Electric, Inc. Electrical Contractor, Home and small business Security and alarm monitoring Gallagher Electric, Inc. is a family owned and operated business.

We are electricians based out of Merrimack, NH and serve all of Southern New Hampshire. We pride ourselves on being clean and professional. is fully insured and licensed in NH, Maine and Mass. We are factory trained professionals with years of experience in home standby generator installations and service. We offer annual or semi annual preventive maintenance on all Generac generators that we may or may not have installed, to keep them running like new. We also offer full home security system installations, smart home automation, as well as Burglar alarm monitoring.

10/31/2026

Check out this 5 star Google Business Profile review by Bart Cook:
Would use them again without question. Very professional.
See the review on Google Business Profile by clicking the link below:
https://maps.google.com/maps?cid=4204960940224212672

10/30/2026

Check out this 5 star Google Business Profile review by George Lloyd:
Proactive, efficient, great communications, and seamless service. Could not recommend more highly. 2 full-house generators receive annual maintenance.
See the review on Google Business Profile by clicking the link below:
https://maps.google.com/maps?cid=4204960940224212672

10/21/2026

Check out this 5 star Google Business Profile review by C Marden:
Responsive and professional local small business; they provided replacement emergency home generator
See the review on Google Business Profile by clicking the link below:
https://maps.google.com/maps?cid=4204960940224212672

Address

446 Daniel Webster Highway
Merrimack, NH
03054

Opening Hours

Monday 8am - 3:30pm
Tuesday 8am - 3:30pm
Wednesday 8am - 3:30pm
Thursday 8am - 3:30pm
Friday 8am - 3:30pm

Telephone

+16032646256

Website

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