Company lists · Data refreshed October 2026

Top 25 Interior design and consulting firms based in Ottawa, Canada

Name: Interior design and consulting firms based in Ottawa, Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 81 companies tracked

RevenueBase identified 81 company matches for interior design and consulting firms associated with Ottawa, Canada as of October 2026 and tracks 341 professional contacts across them, including 142 with verified work emails. Across Canada, Toronto is the largest hub for this category (555 companies); Ottawa has 81.

This list covers company matches for interior design and consulting firms associated with Ottawa, Canada, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 1, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 1, 2026 How this list was built

81Companies

341Contacts tracked

142Verified emails

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The 25 largest interior design and consulting firms based in Ottawa, Canada

Ranked by team size

Top 25 of 81 company matches for interior design and consulting firms based in Ottawa, Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	LWG Architectural Interiors	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	11-50	33 contacts →
	Exact match “There should be a reason for everything that goes into a design.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Urban Workplace	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	1-10	19 contacts →
	Exact match “Urban Workplace provides Office Furniture and Architectural Products to suit today's Modern Workplace.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	KWC Architects INC	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	11-50	17 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	West Of Main Custom Homes, Remodels & Interior Design	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	11-50	17 contacts →
	Exact match “West of Main Custom Homes & Interior Design is an Ottawa-based international award-winning design firm that specializes in custom homes, and large-scale remodels and renovations.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Chmiel Architects	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	11-50	15 contacts →
	Exact match “Chmiel Architects is a highly regarded, Award Winning Architectural Design firm located in Ottawa, Canada.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	4té INC	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	11-50	13 contacts →
	Exact match “For over three decades, 4té inc.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Linebox Studio	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	11-50	11 contacts →
	Exact match “Canadian architects with a firm footing in three cities, dedicated to creating progressive projects for design-conscious fans of sustainable approaches to living and working well.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Dala Decor	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	1-10	11 contacts →
	Exact match “Welcome to Dala Decor, Furniture Store and Custom Design House.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Atkinson Schroeter Design Group	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	1-10	10 contacts →
	Exact match “ASDG is an innovative, experienced design team with over 30-years of history and a sterling reputation of successfully integrating creative ideas & design services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Lalande Doyle Architects	Exact match	Ottawa, CanadaHQ recorded Oct 1, 2026	11-50	7 contacts →
	Exact match “Architecture & Planning” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Parallel 45	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	1-10	6 contacts →
	Exact match “Parallel 45 is a leading Ottawa-based commercial Interior Design firm creating functional & sophisticated work spaces.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Maison Blonde Interiors	Exact match	Ottawa, CanadaHQ recorded Oct 1, 2026	1-10	6 contacts →
	Exact match “Maison Blonde is a full service Interior Design Studio that specializes in residential and boutique commercial design.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	WEI Sanchez Design Studio INC	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match “Ottawa based Interior Design Firm lead by partners Candice Wei and Mark Sanchez.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Rockdale Homes	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	11-50	5 contacts →
	Exact match “Rockdale Homes is a premier home builder and renovation company dedicated to transforming houses into dream homes.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Southam Design INC	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match “Award winning interior design and architecture has earned Southam Design a reputation of being fresh, creative and passionate.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Nathan Kyle Studio	Exact match	Ottawa, CanadaHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Peter J. Kindree Architect	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match “Peter J.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Deimling Architecture & Interior Design	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	11-50	4 contacts →
	Exact match “DEIMLING Architecture & Interior Design Is The Culmination Of Nearly 20 Years Experience In Commercial Architecture & Design serving the National Capital Reigon & Eastern Ontario.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Viali Design	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “Specializing in the design and decoration of quality interiors, under the direction of Linda Price-Bennett, Viali guides clients in the planning, building, finishing and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Astro Studio	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	11-50	4 contacts →
	Exact match “Astro is proud to be an independent, family-owned business serving the Ottawa region since 1997.Our hand-selected team of talented and experienced designers have perfected our…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Cassidy E W Construction Consultant LTD	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	11-50	3 contacts →
	Exact match “Cassidy E W Construction Consultant Ltd, an Ottawa based firm, has been serving the country nationwide from British Columbia to Nova Scotia.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Bytown Designs	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	1-10	2 contacts →
	Exact match “Established in 2021, Bytown Designs is an residential interiors studio based in Ottawa, Canada.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Courtney Turk Interiors	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	1-10	2 contacts →
	Exact match “Have you bought or moved into a new house but haven’t gotten around to making it feel like your home?” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Design First Interiors	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	1-10	2 contacts →
	Exact match “We are the premium provider of residential interior design and installation in the Ottawa region.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Delaney Design CO	Exact match	Ottawa, ON, CanadaHQ recorded Oct 1, 2026	1-10	2 contacts →
	Exact match “Residential & Commercial Design I Design Conceptualization I Space Planning I Colour Development I Custom Millwork & Furniture Design I Fabrics & Finishes Selection I Lighting…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “interior design and consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 81 interior design and consulting firms based in Ottawa, Canada

See the full list, filter by size, metro and specialty, and access 142 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Interior design and consulting firms based in Ottawa, Canada at a glance

As of Oct 1, 2026

41.6%Verified-email coverage

4.2Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

Email recency for this list is measured across the whole Canada list rather than for Ottawa, so it is reported there. Company counts and contact totals on this page are exact for Ottawa, over 81 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Ottawa, Canada whose business descriptions match “interior design and consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 142 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on October 1, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Interior design and consulting firms by metro in Canada

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “interior design and consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many interior design and consulting firms are there based in Ottawa, Canada?

RevenueBase identified 81 company matches for interior design and consulting firms associated with Ottawa, Canada as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

LWG Architectural Interiors tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in Canada has the most interior design and consulting firms?

Toronto leads Canada with 555 company records, followed by Vancouver (245) and Montreal (200). Ottawa has 81.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 142 professional contacts with verified work emails tracked across these 81 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 1, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.