# Window / door fitters in Markham

18 window / door fitters 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 |
| --- | --- | --- | --- | --- | --- | --- |
| [David Reno](https://ca.mytrustedtraders.com/traders/david-reno) | Markham | 60/100 | 5.0/5 | 58 | HomeStars | Also offer this trade |
| [Y2 Design & Build](https://ca.mytrustedtraders.com/traders/y2-design-build) | Markham | 56/100 | 5.0/5 | 27 | HomeStars | Also offer this trade |
| [Senso Design](https://ca.mytrustedtraders.com/traders/senso-design) | Markham | 50/100 | 5.0/5 | 141 | HomeStars, Houzz | Also offer this trade |
| [Bonti Home Décor](https://ca.mytrustedtraders.com/traders/bonti-home-decor) | Markham | 46/100 | 5.0/5 | 30 | 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 |
| [Carbon Crystal LTD](https://ca.mytrustedtraders.com/traders/carbon-crystal-ltd) | Markham | 37/100 | 5.0/5 | 10 | HomeStars | Also offer this trade |
| [Nulook-Ren-O](https://ca.mytrustedtraders.com/traders/nulook-ren-o) | Markham | 36/100 | 4.9/5 | 19 | HomeStars | Also offer this trade |
| [z&f Renovation](https://ca.mytrustedtraders.com/traders/zf-renovation) | Markham | 32/100 | 5.0/5 | 8 | HomeStars | Also offer this trade |
| [The supplier group of tradesman inc](https://ca.mytrustedtraders.com/traders/the-supplier-group-of-tradesman-inc) | Markham | 30/100 | 5.0/5 | 1 | Soumission Rénovation | Also offer this trade |
| [HP Group Inc.](https://ca.mytrustedtraders.com/traders/hp-group-inc-2) | Markham | 30/100 | 4.0/5 | 1 | Soumission Rénovation | Also offer this trade |
| [Myriad Renovation](https://ca.mytrustedtraders.com/traders/myriad-renovation) | Markham | 26/100 | 5.0/5 | 4 | HomeStars | Also offer this trade |
| [ZG Golden King Renovation](https://ca.mytrustedtraders.com/traders/zg-golden-king-renovation) | Markham | 26/100 | 4.7/5 | 3 | HomeStars | Also offer this trade |

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

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Source: MyTrustedTraders. https://ca.mytrustedtraders.com/find/window-door-fitter/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.