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About Us

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Lighting Fixtures

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or give us a call at

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Trusted Electricians Serving New Haven, CT & Surrounding Areas

At Cahill Electrical Services, LLC, we believe quality electrical work is built on precision, honesty, and craftsmanship. Based in North Haven, CT, we’ve spent years serving homeowners, contractors, and businesses across New Haven County and the surrounding areas with dependable, code-compliant electrical solutions. From residential wiring to large-scale commercial projects, our team brings professionalism and care to every job — no shortcuts, no surprises, just solid work done right the first time.

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A Team You Can Trust

Electrical work is one of the most important investments you’ll make in your home or building — and who you hire makes all the difference. Our electricians are fully licensed and insured (CT License #E1200185) and bring years of hands-on experience across all types of projects. We combine technical knowledge with real-world problem-solving to ensure your electrical systems are efficient, safe, and built to last.

Whether you’re a homeowner upgrading your panel, a contractor managing new construction, or a business owner in need of reliable maintenance, you can trust Cahill Electrical Services to deliver the same level of care and attention every time.

Our Mission

Our mission is simple:
 To provide safe, reliable, and high-quality electrical service that customers can depend on for years to come. We believe in doing the job right, communicating clearly, and standing behind our work — because when it comes to electrical systems, details matter.

Every wire, fixture, and connection we install reflects our commitment to craftsmanship and our reputation in the Connecticut community.

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Why Connecticut Chooses Cahill Electrical Services

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Licensed & Insured Professionals

Every project is handled by certified electricians under CT License #E1200185.

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Local Experience

Based in North Haven, we know the unique electrical needs of homes and businesses across New Haven County.

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Full-Service Expertise

From wiring and lighting to service upgrades and EV charger installations, we handle it all.

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Commitment to Safety 

Every job follows Connecticut building codes and National Electrical Code (NEC) standards.

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Honest, Reliable Service

We show up when we say we will, communicate clearly, and stand by our work.

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Customer-First Approach

Your satisfaction is our priority — every detail is handled with care and respect.

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Proudly Powering Connecticut

At the heart of Cahill Electrical Services is a simple goal: to help our customers live and work safely and efficiently. Whether it’s powering a new business, installing a generator to weather the next storm, or upgrading a home’s electrical system for the next generation — we’re proud to be part of Connecticut’s communities and growth.

We’re not just electricians. We’re your neighbors, problem-solvers, and partners in keeping your property powered for years to come.