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About SystemOne

SystemOne, LLC is a premier electrical and communications contractor serving all of CT, and MA. Our 15+ employees consist of licensed electricians, licensed voice and data technicians, project managers, estimators and office personnel. With over 25 years of experience our team is dedicated to providing the highest quality installations and building long term customer relationships. We take pride in quality installations, on-time scheduling, keeping within budgets, and backing our work with extended warranties.

We specialize in the public school market, private educational campuses, insurance facilities medical facilities, and waste water treatment facilities. We also have an extensive national account list to perform moves, adds and changes, national roll-out projects, new construction and re-model work. Our clients expect and receive top quality service 24 hours a day on any system we install or service.


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I have enjoyed working with System One over the years. They have always gone above and beyond to go the extra mile to accommodate us. SystemOne is always willing to do what’s asked of them. I appreciate the quality and timeliness of the work they do. I would highly recommend them to anyone no matter the size of the work needed. They are very professional and always deliver great outcomes.

Hartford Health Care - JM


Installations include

  • Electrical
  • Fire Alarm Systems
  • Voice/Data
  • Fiber
  • Copper
  • Data Centers
  • CCTV Camera Systems
  • Card Access/Intrusion Alarm Systems
  • Telephone Systems
  • P.A. Systems
  • Projector Systems
  • Smart Boards





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    With well earned respect after many projects together, I confidently recommend System One as premier integrator of voice and data networks. Their team always takes the customer first approach.

    Carousel - DL