MSARCH

Best contractors in Richmond Hill, Ontario

MSARCH tracks 49 vetted contractors in Richmond Hill, Ontario, averaging 4.7★ on Google. That includes 42 electricians, 6 HVAC contractors and 1 plumbers.

The most-reviewed is Reliance Heating, Air Conditioning & Plumbing with 12,132 Google reviews, while No Radiation holds one of the top ratings at 5.0★. Every listing below is ranked by Google rating weighted for review volume.

  • 49Contractors
  • 4.7★Avg rating
  • 14,663Reviews

Updated July 2026 · Ranked by Google rating, review volume and recent-review sentiment

HVAC & Heating (6)Electricians (42)

Nearby cities

Markham 14Concord 12Vaughan 14Aurora 5Whitchurch-Stouffville 9Woodbridge 6

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How many contractors are in Richmond Hill?

MSARCH lists 49 HVAC, electrical and plumbing contractors in Richmond Hill, Ontario, with an average Google rating of 4.7 out of 5.

What is the highest-rated contractor in Richmond Hill?

No Radiation is among the highest rated in Richmond Hill, with 5.0★ from 76 Google reviews.

How are these contractors ranked?

MSARCH ranks Richmond Hill contractors by their Google star rating, weighted by review count so a company with hundreds of reviews outranks one with only a few. All data is sourced from Google Maps.