Company lists · Data refreshed November 2026

Top 22 Environmental sustainability consulting firms based in Toronto, Canada

RevenueBase identified 145 company matches for environmental sustainability consulting firms associated with Toronto, Canada as of November 2026 and tracks 1,066 professional contacts across them, including 467 with verified work emails. Across Canada, Toronto is the largest hub for this category.

This list covers company matches for environmental sustainability consulting firms associated with Toronto, 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 November 5, 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 Nov 5, 2026 How this list was built
145Companies
1,066Contacts tracked
467Verified emails
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The 22 largest environmental sustainability consulting firms based in Toronto, Canada

Ranked by team size
Top 22 of 145 company matches for environmental sustainability consulting firms based in Toronto, Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5054 contacts →

Exact match

“Quinn+Partners is a leading management consultancy specializing in corporate sustainability, sustainable finance, climate change and responsible investment advisory services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5035 contacts →

Exact match

“Our clients want to do what they’re great at while becoming more sustainable, resilient, and competitive.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5034 contacts →

Exact match

“Enerlife helps owners and managers achieve the full potential of their buildings, drawing on our dynamic national database and experience with leading organizations to provide…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5034 contacts →

Exact match

“WEIS is a consulting firm that specializes in Retail Network Innovation.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5031 contacts →

Exact match

“CD SONTER, an industry leader in sustainable solutions, provides waste auditing and environmental consulting, and project management of environmental awards and certifications.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5028 contacts →

Exact match

“Ecovert is a full service sustainability consulting firm committed to creating economic, environmental and social synergies for the development sector.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5018 contacts →

Exact match

“We help clients - whether it is managing growth opportunities, introducing new technologies, fostering behavioural change or opening profit bottlenecks.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchToronto, ON, CanadaHQ recorded Nov 5, 20261-1016 contacts →

Exact match

“Sustainable was created in 2009 with a vision to fight climate change through transforming our built environment with creative design.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchToronto, ON, CanadaHQ recorded Nov 5, 20261-1015 contacts →

Exact match

“Energy@Work Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchToronto, CanadaHQ recorded Nov 5, 202611-5015 contacts →

Exact match

“Watershed offers science and technology based solutions to enable the transition to sustainability.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchToronto, ON, CanadaHQ recorded Nov 5, 20261-1013 contacts →

Exact match

“PlanCatalyst is a subsidiary of Plan International Canada that provides specialized consultancy services in international development and corporate sustainability.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“A & Architects was established with the vision that architecture can enhance quality of life through smart and refined design.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchToronto, ON, CanadaHQ recorded Nov 5, 20261-1012 contacts →

Exact match

“Suslop is a management consulting firm.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5012 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5012 contacts →

Exact match

“At DCS Global, we support organizations across a wide range of industries and business sectors to achieve cleaner, healthier, more sustainable, cost-effective, and environmentally…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchToronto, ON, CanadaHQ recorded Nov 5, 20261-1011 contacts →

Exact match

“About Us At Alcan Solutions, we empower organizations with innovative Environmental, Health, and Safety (EHS) and sustainability management solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchToronto, ON, CanadaHQ recorded Nov 5, 20261-1011 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202611-5010 contacts →

Exact match

“We specialize in guiding and transitioning Energy, Supply Chain and Financial Service businesses towards environmentally conscious and socially responsible practices.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchToronto, ON, CanadaHQ recorded Nov 5, 20261-109 contacts →

Exact match

“Founded in 1996, Dewson Architects is an award-winning firm specializing in residential and commercial architecture – contemporary, historical, sustainable.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchToronto, ON, CanadaHQ recorded Nov 5, 20261-109 contacts →

Exact match

“Quwa Smart Services Inc (QSS) is a dynamic engineering consulting firm specializing in Energy Management, Decarbonization and Smart Technology Solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchToronto, ON, CanadaHQ recorded Nov 5, 20261-108 contacts →

Exact match

“Organica Studio + philosophy towards the work that it carries out is deeply rooted in sustainability.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchToronto, ON, CanadaHQ recorded Nov 5, 20261-108 contacts →

Exact match

“Product excellence companies don’t just follow; they set the standard.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 22 of 145 environmental sustainability consulting firms based in Toronto, Canada

See the full list, filter by size, metro and specialty, and access 467 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental sustainability consulting firms based in Toronto, Canada at a glance

As of Nov 5, 2026
43.8%Verified-email coverage
7.4Average contacts per company
1-10Median size (employees)
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
106
11-50
33
51-200
4
201-500
1

Email recency for this list is measured across the whole Canada list rather than for Toronto, so it is reported there. Company counts and contact totals on this page are exact for Toronto, over 145 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 Toronto, Canada whose business descriptions match “environmental sustainability 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 467 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 November 5, 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.

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 “environmental sustainability consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental sustainability consulting firms are there based in Toronto, Canada?

RevenueBase identified 145 company matches for environmental sustainability consulting firms associated with Toronto, Canada as of November 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?

Quinn Partners tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in Canada has the most environmental sustainability consulting firms?

Toronto leads Canada with 145 company records, followed by Vancouver (111) and Calgary (106).

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 467 professional contacts with verified work emails tracked across these 145 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 November 5, 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.