Best Interior Designers in Ontario

Interior design in Ontario has to answer to four real seasons and a mix of homes that runs from downtown Toronto condos to century houses and suburban family builds. The province's designers are skilled at making interiors feel warm and light through long winters — layering texture, maximising natural light, and choosing finishes that stand up to the climate — while balancing the clean, contemporary look many urban clients want with the character of Ontario's older housing stock. Condo renovations, heritage-home updates and full custom interiors each call for someone who knows local trades, buildings and permits.

This page brings together established interior designers across Ontario. It is organised by city so you can find designers working in your market — Toronto to begin with, with more of the province added as the guide expands. Each listing focuses on the firm's specialties, the projects it takes on and how to reach it, alongside a link to its own portfolio. Select a city below to see the designers serving that area, or open a firm's profile for a closer look at its work. Listings are based on each business's public, verifiable presence rather than paid placement — a solid starting point for finding the right designer for an Ontario home.