Best Interior Designers and Decorators in London, ON
22 firms listed · all 22 in London · 6 open weekends · 17 rated 4.5+
Data verified October 18, 2026
A First Impression Professional Home Staging Services
Mosaic Design
SWO General Contracting
Ana Cole Interiors Ltd.
Verbeek Kitchens & Bath
The 22 firms listed for London, 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: London, ON
All 22 firms we list here are in London itself. We have 40 firms in London on file; this page shows the highest-rated 22. The firms on this page are rated from 4.3 to 5.0 across 413 reviews; 1 has 50 or more reviews and 17 are rated 4.5 or higher. When customers rate these firms on specific qualities, they most often praise professionalism (87%), responsiveness (81%) and quality (81%). The topics that come up most in reviews of the firms on this page are "communication", "knowledge" and "price". 6 are open on Saturdays and 2 on Sundays. Domain records put 6 websites of the firms on this page at ten or more years old; the oldest dates from 2004. 1 gives free estimates and 1 lists coupons or special offers. We have a website on file for all 22 of the firms on this page; 20 publish a contact page and 20 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 all 22 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.