# Guttering specialists in Markham

20 guttering specialists near Markham, ranked by the strength of independent public evidence. Trust Score is used when available, drawing on reviews, credential evidence and registry data from named public sources, cross-checked wherever more than one source covers a business. No ads, no paid placement. Grouped by main trade first, then businesses that also offer this trade, with possibly closed businesses last. Highest Trust Score first within each group. Below are the top 12 by evidence.

| Contractor | Location | Trust Score | Rating | Reviews | Named sources | Listed under |
| --- | --- | --- | --- | --- | --- | --- |
| [GTA Superior Eavestrough and Aluminum Inc.](https://ca.mytrustedtraders.com/traders/gta-superior-eavestrough-and-aluminum-inc) | Markham | 35/100 | 5.0/5 | 16 | HomeStars | Main trade |
| [Ys Roofing Inc](https://ca.mytrustedtraders.com/traders/ys-roofing-inc) | Markham | 68/100 | 5.0/5 | 158 | HomeStars | Also offer this trade |
| [York Region window cleaning](https://ca.mytrustedtraders.com/traders/york-region-window-cleaning) | Markham | 59/100 | 5.0/5 | 53 | HomeStars | Also offer this trade |
| [Student Works Window Cleaning](https://ca.mytrustedtraders.com/traders/student-works-window-cleaning) | Markham | 58/100 | 4.6/5 | 358 | HomeStars | Also offer this trade |
| [Cindy Zhou](https://ca.mytrustedtraders.com/traders/cindy-zhou) | Markham | 50/100 | 5.0/5 | 24 | HomeStars | Also offer this trade |
| [Roof service](https://ca.mytrustedtraders.com/traders/roof-service) | Markham | 47/100 | 5.0/5 | 58 | HomeStars | Also offer this trade |
| [Sunglow Roofing](https://ca.mytrustedtraders.com/traders/sunglow-roofing) | Markham | 46/100 | 5.0/5 | 37 | HomeStars | Also offer this trade |
| [Amazon Construction](https://ca.mytrustedtraders.com/traders/amazon-construction) | Markham | 45/100 | 5.0/5 | 15 | HomeStars | Also offer this trade |
| [Evolution Roofing Inc](https://ca.mytrustedtraders.com/traders/evolution-roofing-inc) | Markham | 42/100 | 4.3/5 | 175 | HomeStars | Also offer this trade |
| [Taki Fl](https://ca.mytrustedtraders.com/traders/taki-fl) | Markham | 40/100 | 5.0/5 | 23 | HomeStars | Also offer this trade |
| [Top Plus Roofing](https://ca.mytrustedtraders.com/traders/top-plus-roofing) | Markham | 39/100 | 4.9/5 | 12 | HomeStars | Also offer this trade |
| [DH Roofing And Renovation Inc](https://ca.mytrustedtraders.com/traders/dh-roofing-and-renovation-inc) | Markham | 37/100 | 5.0/5 | 31 | HomeStars | Also offer this trade |

Each contractor's full public evidence is at its profile URL (append `/md` for a Markdown version). See all guttering specialists in Canada at `https://ca.mytrustedtraders.com/find/guttering`.

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Source: MyTrustedTraders. https://ca.mytrustedtraders.com/find/guttering/markham
Real public evidence only: every figure traces to a named source, and figures are cross-checked wherever more than one independent source covers the same business. If a source does not carry a field, it is not shown.