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Your Trusted Electrician

Serving the Dennis, MA area since 1988

We now accept credit cards

Team Up with a Seasoned Electrician in the Dennis, MA Area

Welcome to William Sinclair Electric Company Inc.! Since 1988, we have provided electrical services to homeowners in the Dennis, MA community. If you are in the area, trust us for all of your electrical needs! Our services include residential electrical panel upgrades, HVAC, interior lighting, exterior lighting, and more. Throughout the years, we have perfected our services to ensure quality results. Rely on us for all of your electrical projects at home!

Contact us today to learn more about how our residential electrician can help you!

  • Phone Number

    (508) 320-0841

  • Email

    sinclairelectric.ws@gmail.com
  • Mon – Sat: 7am – 5pm

    Sun: Closed

  • 6 New Venture Drive

    Dennis, MA, 02638

Our Full Range of Services

Have dimming lights? Get in touch with us for an upgrade.

Electrical Panel Upgrades

Install new outlets, light fixtures, and TVs for your home.

Small Additions

We can handle installation, repair, and service for HVAC.

HVAC

Make upgrades with ease by teaming up with our electrician.

Interior Lighting

Add lighting to your landscape to improve safety and security.

Exterior Lighting

Are you a veteran? Call now for a discount!

Why Work with William Sinclair Electric Company Inc.?

Trust Local Experts

  • Veteran-Owned & Operated: We are proud to be a veteran-owned and operated business. In addition, we support other veterans. If you are a veteran, enjoy a discount on your services!
  • Family-Owned Business: Being a family business, we understand how important it is to get the best possible service for your home. When you work with us, we treat your home as if it were our own. We will treat you like family.
  • Years of Experience: With 30+ years of experience in the field, you can trust us to provide you with quality work. We draw from our experience to provide each customer with trusted solutions.
  • Very Personable: We treat everyone like friends and family. You’re not just another customer to us! Throughout the years, we have built many lasting relationships within the community.
  • 24/7 Emergency Services Available: When you have urgent electrical needs, you can rely on us to be there to help. Call us when you need emergency services in the area!

Get in Touch with a Residential Electrician Today!

Schedule Services Now

Are you ready to schedule your electrical services with us? Get in touch with our electrician in the Dennis, MA area today! We will begin by listening to your needs, then taking the time to develop a plan. Our goal is to provide you with solutions that last. With our help, you can prevent damages and repairs. Reach out today to speak to a professional about your needs!

    Contact Us

    Reach out to our team today

    Areas we serve include:

    • Dennis, MA
    • Harwich, MA
    • Pleasant Lake, MA
    • Yarmouth, MA
    • Cape Cod, MA
    • Barnstable, MA
    • Mashpee, MA
    • Sandwich, MA
    • Bourne, MA
    • Ellisville, MA
    • Plymouth, MA

    What Our clients are saying

    • Reliable, experienced, efficient, professional, best price, and honest company, veteran owned and operated! You can’t find a better choice.

      Betsy Marie Schreiber
      2/10/2019

      Excellent service. Really nice guy.

      Carolyn Fahey
      12/29/2018

      Will is very responsive and dependable He is someone we call on for our clients because we know he... read more

      Patrick Foran
      12/29/2018