Our Passion Is Quality

Electrical Contractor - Licensed and Insured
Electrical Services

Providing a Range of
Commercial, Industrial & Residential Services

This is a small example of what we offer to our customers.

We are an owner operated electrical contracting company. We pride ourselves in offering quality, professional service.

Service Change

There are many reasons to upgrade the electrical panel in your house. One issue could be needing more circuits but not having anymore room in the panel for more circuits. 


Industrial Electrical

All aspects of industrial electrical services - replace/upgrade machinery wiring, wiring for new machinery, etc...


Commercial Electrical

We can handle all aspects of commercial electrical services. New work and repair. We offer service contracts as well.


Residential Services

All aspects of residential electrical services - service upgrade, remodels, generator installations, new construction, etc...

About Us & Why We are
The Best For the Job

Cornerstone Electrical Services, LLC takes pride in their work and care about their customers and the individual projects. They bring varied experience and a great eye for lighting design. They consider each project a personal representation of their company and they make sure that the job is done well.

Outstanding in every respect!
If you need an electrical contractor, look no further than the fine folks at Cornerstone. I’ve had extensive, complex interior and exterior work performed by them, and they always exceed my expectations! Flexible scheduling, a very knowledgeable staff, outstanding pricing- everything you look for in a contractor..plus, they are nice people to work with. Highly recommended!
Pete Fleischmann
Personable and professional
I would highly recommend Cornerstone Electrical Services. They were very personable and professional. They did a superior job and kept kept the site clean throughout the process. They managed to get into some pretty tight spots and never once complained. We’ll be sure to call them back for any future projects. Great job guys, thanks!
Deb Wheelahan
Watertown, CT
Excellent work professionally done in an efficient manner. Corrected some wiring issues and installed a ceiling fan along with other work. Neat and clean and I highly recommend them for electrical work.
Art S
Newington, CT


394 Riverside Ave
Bristol, CT 06010


(860) 325-0179