Company lists · Data refreshed September 2026

Top 25 Retrofit consulting companies based in Canada

Name: Retrofit consulting companies based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 540 companies tracked

RevenueBase identified 540 retrofit consulting companies headquartered in Canada as of September 2026 and tracks 6,040 professional contacts across them, including 3,083 with verified work emails. Toronto is the largest hub.

This list covers retrofit consulting companies headquartered in Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review

540Companies

6,040Contacts tracked

3,083Verified emails

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The 25 largest retrofit consulting companies based in Canada

Ranked by team size

Top 25 of 540 retrofit consulting companies based in Canada, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to retrofit consulting companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	RDH Building Science	Partial evidence	Burnaby, BC, CanadaHQ checked Sep 29, 2026	201-500	335 contacts →
	Partial evidence “RDH is a multidisciplinary consulting firm specializing in building performance, durability, and resilience.” Source: RevenueBase Database · checked Sep 29, 2026
2	Ecosystem	Indirect evidence	Québec, QC, CanadaHQ checked Sep 29, 2026	201-500	238 contacts →
	Indirect evidence “At Ecosystem, we believe in building meaningful relationships with both our clients and employees.” Source: RevenueBase Database · checked Sep 29, 2026
3	Exactus Energy	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 29, 2026	51-200	153 contacts →
	Indirect evidence “Exactus Energy is a professional services firm operating across the United States and Canada.” Source: RevenueBase Database · checked Sep 29, 2026
4	Roche Ltd, Consulting Group	Partial evidence	Québec, QC, CanadaHQ checked Sep 29, 2026	501-1,000	134 contacts →
	Partial evidence “December 14, 2015 – Consulting engineering firm Roche Ltd, Consulting Group has changed its name to Norda Stelo Inc.” Source: RevenueBase Database · checked Sep 29, 2026
5	Great Northern Insulation	Partial evidence	Woodstock, ON, CanadaHQ checked Sep 29, 2026	201-500	127 contacts →
	Partial evidence “Founded in 1980, Great Northern Insulation is Ontario's leading building envelope service provider, for the new construction and retrofit markets across commercial, institutional…” Source: RevenueBase Database · checked Sep 29, 2026
6	Sense Engineering	Indirect evidence	Victoria-nanaimo-vancouver-kelowna-calgary-edmonton-hamilton-toronto-ottawa-montréal-halifax, BC, CanadaHQ checked Sep 29, 2026	51-200	123 contacts →
	Indirect evidence “Sense Engineering was founded on the desire to provide second-to-none client-centric engineering services.” Source: RevenueBase Database · checked Sep 29, 2026
7	DWB Consultants	Indirect evidence	Piedmont, QC, CanadaHQ checked Sep 29, 2026	51-200	109 contacts →
	Indirect evidence “DWB Consultants est une firme d’ingénierie spécialisée qui œuvre dans le domaine de la structure, du génie civil, de l'industriel, de la mécanique, de l'électricité, de l’énergie…” Source: RevenueBase Database · checked Sep 29, 2026
8	Blackwell	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 29, 2026	51-200	94 contacts →
	Indirect evidence “Blackwell has been providing structural engineering services to architects, developers, and building owners since 1987.” Source: RevenueBase Database · checked Sep 29, 2026
9	Glotman Simpson Consulting Engineers	Partial evidence	Vancouver, BC, CanadaHQ checked Sep 29, 2026	51-200	92 contacts →
	Partial evidence “Glotman•Simpson Consulting Engineers is one of North America’s leading engineering firms, providing innovative structural engineering solutions and unparalleled client service…” Source: RevenueBase Database · checked Sep 29, 2026
10	SMS Engineering	Partial evidence	Winnipeg, MB, CanadaHQ checked Sep 29, 2026	51-200	84 contacts →
	Partial evidence “Consulting Engineers for Mechanical & Electrical, Energy & Carbon Reduction, Smart Buildings, Power Systems, ICAT, Security, Architectural Lighting & Forensic Engineering.” Source: RevenueBase Database · checked Sep 29, 2026
11	The RPM Groups	Indirect evidence	Mississauga, ON, CanadaHQ checked Sep 29, 2026	11-50	80 contacts →
	Indirect evidence “We deliver solutions for our clients because we listen to their needs.” Source: RevenueBase Database · checked Sep 29, 2026
12	Expertbâtiment	Indirect evidence	Joliette, QC, CanadaHQ checked Sep 29, 2026	51-200	74 contacts →
	Indirect evidence “Nous œuvrons dans le domaine de l’expertise en bâtiment depuis plus de 30 ans.” Source: RevenueBase Database · checked Sep 29, 2026
13	TST INC	Indirect evidence	Rosemère, QC, CanadaHQ checked Sep 29, 2026	11-50	73 contacts →
	Indirect evidence “We offer a wide variety of services throughout Canada in both French and English.” Source: RevenueBase Database · checked Sep 29, 2026
14	Keller Engineering	Indirect evidence	Ottawa, ON, CanadaHQ checked Sep 29, 2026	51-200	70 contacts →
	Indirect evidence “Keller Engineering is a multi-disciplinary engineering and building science firm.” Source: RevenueBase Database · checked Sep 29, 2026
15	Prism Engineering Limited	Indirect evidence	Vancouver, BC, CanadaHQ checked Sep 29, 2026	51-200	67 contacts →
	Indirect evidence “We believe in changing systems for a better world.” Source: RevenueBase Database · checked Sep 29, 2026
16	Synergy Partners Consulting Limited	Partial evidence	Toronto, ON, CanadaHQ checked Sep 29, 2026	51-200	63 contacts →
	Partial evidence “Synergy Partners is a boutique consulting engineering firm focused on building planning and engineering.” Source: RevenueBase Database · checked Sep 29, 2026
17	The Mitchell Partnership Inc. NOW BPA	Partial evidence	Toronto, ON, CanadaHQ checked Sep 29, 2026	51-200	59 contacts →
	Partial evidence “Founded in 1958 in Toronto, The Mitchell Partnership Inc.(TMP) is a mechanical building services consulting engineering practice.” Source: RevenueBase Database · checked Sep 29, 2026
18	Tacoma Engineers INC	Partial evidence	Guelph, ON, CanadaHQ checked Sep 29, 2026	51-200	58 contacts →
	Partial evidence “Tacoma Engineers is a structural engineering and building consulting firm with offices in Guelph, Barrie, and Waterloo, Ontario.” Source: RevenueBase Database · checked Sep 29, 2026
19	Crosier Kilgour	Indirect evidence	Winnipeg, MB, CanadaHQ checked Sep 29, 2026	51-200	57 contacts →
	Indirect evidence “Since 1954, Crosier Kilgour & Partners has earned a national reputation for the skillful application of engineering principles to achieve elegant, yet cost-effective and durable…” Source: RevenueBase Database · checked Sep 29, 2026
20	PMC Energy Limited	Indirect evidence	Moncton, NB, CanadaHQ checked Sep 29, 2026	51-200	56 contacts →
	Indirect evidence “Considering over 40% of all energy is consumed by buildings, it is no wonder building managers and owners are becoming increasingly mindful of energy costs and usage.” Source: RevenueBase Database · checked Sep 29, 2026
21	Coanda Research & Development	Indirect evidence	Burnaby, BC, CanadaHQ checked Sep 29, 2026	51-200	56 contacts →
	Indirect evidence “Coanda, a Tetra Tech company, specializes in solving complex problems in engineering and beyond.” Source: RevenueBase Database · checked Sep 29, 2026
22	Legault-Dubois	Indirect evidence	La Prairie, QC, CanadaHQ checked Sep 29, 2026	51-200	55 contacts →
	Indirect evidence “Legault-Dubois est une société incorporée dont la mission est d’aider les propriétaires d’immeuble, les gestionnaires et les intervenants de l’industrie de la construction et de…” Source: RevenueBase Database · checked Sep 29, 2026
23	CES Group	Indirect evidence	Vancouver, BC, CanadaHQ checked Sep 29, 2026	51-200	54 contacts →
	Indirect evidence “CES Group is C.E.S Engineering Ltd.” Source: RevenueBase Database · checked Sep 29, 2026
24	Sustainable Projects Group SPG	Indirect evidence	Calgary, AB, CanadaHQ checked Sep 29, 2026	11-50	53 contacts →
	Indirect evidence “Sustainable Projects Group is a design-build energy efficiency company working with industry leaders to help accomplish their energy savings goals by providing them with the…” Source: RevenueBase Database · checked Sep 29, 2026
25	Inviro Engineered Systems LTD	Partial evidence	Toronto, ON, CanadaHQ checked Sep 29, 2026	51-200	51 contacts →
	Partial evidence “INVIRO is a full-service Canadian engineering firm specializing in mechanical and electrical systems, along with sustainability consulting.” Source: RevenueBase Database · checked Sep 29, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: retrofit consulting companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names retrofit consulting companies.
Partial evidence: Its own public description names part of retrofit consulting companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name retrofit consulting companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 540 retrofit consulting companies based in Canada

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Retrofit consulting companies based in Canada at a glance

As of Sep 29, 2026

51.0%Verified-email coverage

11.2Average contacts per company

1-10Median size (employees)

12.6%Largest-city concentration · Toronto

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

354

11-50

137

51-200

201-500

501-1,000

Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 540 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among retrofit consulting companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Canada whose own description of what they do matches “retrofit consulting companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names retrofit consulting companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among retrofit consulting companies, and records with no verified work email. Companies headquartered outside Canada are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 3,083 across the full list. 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 September 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Retrofit consulting companies by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names retrofit consulting companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many retrofit consulting companies are there based in Canada?

RevenueBase identified 540 retrofit consulting companies headquartered in Canada as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

RDH Building Science, headquartered in Burnaby, tops this list with the largest team on record.

Which city has the most retrofit consulting companies?

Toronto leads with 68 headquartered companies, followed by Montreal (40) and Vancouver (33).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,083 verified decision-maker contacts tracked across these 540 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 Smart Search, 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.