Best Interior Designers and Decorators in Markham, ON
24 firms listed · all 24 in Markham · 8 open weekends · 20 rated 4.5+
Data verified October 19, 2026
SP Home Staging
C21 THE Good LUK Team
Staged 2 Sell Solutions Inc.
Master Edge Homes
Diana Rose
The 24 firms listed for Markham, ON take on interior projects. The rooms they specialize in, the credentials they claim and the stages their service covers are all drawn from their own websites, alongside ratings and quotes from public reviews.

Area overview: Markham, ON
All 24 firms we list here are in Markham itself. We have 28 firms in Markham on file; this page shows the highest-rated 24. The firms on this page are rated from 4.0 to 5.0 across 338 reviews; 1 has 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these firms on specific qualities, they most often praise professionalism (87%), quality (83%) and punctuality (81%). 8 are open on Saturdays and 1 on Sundays. Domain records put 9 websites of the firms on this page at ten or more years old; the oldest dates from 2006. 4 give free estimates and 2 are family- or locally-owned. We have a website on file for 23 of the firms on this page; 20 publish a contact page and 21 list a public email. We count these figures across the firms on this page; hours and prices change, so confirm the details with the firm before you book.
Where can I see a firm's finished projects?
Websites appear on 23 of the 24 listings here. Look past the styling for evidence of layouts changed and problems solved, and for homes of your vintage. Ask which projects the firm ran from start to finish and which it only furnished, since the photographs rarely say.