Andrew Ells-O'Brien

Journeyman Electrician
FULLY LICENSED & INSURED

About Andrew

Hi, I’m Andrew Ells-O’Brien, a licensed journeyman electrician based in Chelmsford, MA. I specialize in safe, reliable electrical work—especially in older homes. No job is too small. I provide honest guidance, clear communication, and code-compliant solutions to keep your home protected and up to modern standards.

Even more information

Services Offered

  • Lighting & Wiring

  • Receptacles & Switches

  • Panel / Service Upgrades

  • Electrical Repairs

  • Smoke/CO Detectors

  • EV Chargers

  • Ceiling Fans

  • Generator Maintenance

  • Lighting Design

  • Electrical Installations

  • Surge Protection

  • Safety Inspections

  • ...and more!

Service Area

Map showing towns and counties in Vermont, including Lowell, Tyngsborough, Chelmsford, Westford, Littleton, Acton, Carlisle, Bedford, and Burlington.

Serving the following communities in Massachusetts

  • Chelmsford & North Chelmsford

  • Billerica & North Billerica

  • Carlisle

  • Littleton

  • Tewksbury

  • Westford

Even more information

Let's Work Together

Small projects are a specialty!

Reach out today for a complimentary consultation and discover how I can turn your electrical needs into reality.

Whether you have a question, an idea, or just want to say hello, feel free to reach out—I’m here to help.

Use the form below to drop me a message, send an Email, or give me a call and I’ll get back to you as soon as I can.

Email: andrew@ellsobrien.com

Phone: (617) 645-9836

See What Homeowners Are Saying…

See what homeowners are saying about working with Andrew Ells-O’Brien. These reviews highlight dependable service, expert workmanship, and a commitment to getting every job done safely, cleanly, and right the first time—no matter the size.

Even more information