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CMS Group LTD.

HVAC contractor in Richmond Hill, ON.

In the words of CMS Group LTD.

Mechanical, Electrical and Communications contractor

Trade
HVAC contractor
Business address
9133 Leslie St Ste 110, Richmond Hill, ON L4B 4N1, Canada
Telephone
(416) 609-9992
Website
cmsgroup.com
Hours
  • Monday8:00 am - 4:00 pm
  • Tuesday8:00 am - 4:00 pm
  • Wednesday8:00 am - 4:00 pm
  • Thursday8:00 am - 4:00 pm
  • Friday8:00 am - 4:00 pm
  • SaturdayClosed
  • SundayClosed

From the business's Google listing, checked Oct 2026

Register
ON register

Recorded as supplied and as found in public sources. This register makes no credential or quality claim about any business; check license status with the provincial licensing body.

Google Reviews

4.5 (51)

  • An electrician by the name of Jesse did work in my suite for my company. He was very organized, helpful, polite, and clean. I will definitely be using this company again because of him!

    c

  • Cordial workers and impressive workmanship.

    Giorgina R.

  • Great company. Electricians do amazing work.

    Dolores P.

  • Great company. Amazing workmanship. Trusted contractor.

    J C.

  • CMS electrical vehicle plate DKAY 047. To the driver at 0530 this morning on Wellington and Bayview. Your speed was beyond excessive next to your weaving in and out of traffic. CMS address your driver. This is clearly an issue as many people have witnessed.

    T P.

  • Most Valuable Company I've ever encountered!

    MIGUEL M.

  • Great team to work with. Always responsive, easy to work with. Great partner.

    ken S.

  • Work was done in a timely and cost effective manner. Amazing customer service!

    Ajay P.

  • First class contractor built on integrity and partnerships. Always fair and a pleasure to do business with.

    Joel T.

  • Great company to work with

    Travis P.

Read all reviews on Google

About CMS Group LTD.

Mechanical and electrical services

CMS Group LTD. operates as a mechanical, electrical, and communications contractor. The company says it provides commercial plumbing along with service and maintenance. The company names approximately 50 years of experience in the industry.

Reviewers frequently mention the company's workmanship and professionalism. One reviewer noted that the team was responsive and easy to work with, while others described the staff as knowledgeable and friendly.

Richmond Hill contractor details

According to Environment Canada normals, the Richmond Hill area has average high and low temperatures of 12.6°C and 3.2°C respectively.

CMS Group LTD. has been in operation since 1981.

Services, brands and warranty details come from the company's own website. Ratings, hours and reviews come from Google. Town figures come from Statistics Canada and Environment Canada.

More HVAC contractors in Richmond Hill

About Richmond Hill

Population202,022 (2021)
Average yearly snowfall150.6 centimetres

Sources: Statistics Canada, 2021 Census. Environment and Climate Change Canada, Canadian Climate Normals 1981-2010.