Company lists · Data verified August 2026

Top 25 Esg consulting firms based in Canada

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 703 companies tracked

There are 703 esg consulting firms headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 36,775 professional contacts across them, including 20,955 with verified work emails and 7,070 with mobile numbers. Toronto is the largest hub.

This list covers esg consulting firms headquartered in Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

703Companies

36,775Contacts tracked

20,955Verified emails

7,070Mobile numbers

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The 25 largest esg consulting firms based in Canada

Ranked by team size

Top 25 of 703 esg consulting firms based in Canada, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Stantec	Edmonton, AB	10001+	28,492	16,817
2	BBA Consultants	Edmonton, AB	1,001-5,000	1,851	964
3	EMM Consulting PTY Limited	Calgary, AB	201-500	356	267
4	Triton Environmental Consultants LTD	Calgary, AB	201-500	352	195
5	PGL Environmental Consultants	Victoria, BC	51-200	183	90
6	Keystone Environmental	Calgary, AB	51-200	158	126
7	DWB Consulting Services LTD	Williams Lake, BC	51-200	120	68
8	Associated Environmental Consultants	Kelowna, BC	501-1,000	110	74
9	Groupe Conseil UDA INC	Quebec, QC	51-200	107	56
10	NVIRA	Montreal, QC	51-200	104	64
11	The Barrington Consulting Group	Mississauga, ON	51-200	93	75
12	Hammerschlag & Joffe INC	Toronto, ON	51-200	93	63
13	Delphi	Calgary, AB	51-200	89	31
14	Talsom	Montreal, QC	201-500	81	47
15	Ckinetics	Toronto	51-200	73	39
16	Akonovia	Toronto	51-200	73	25
17	Pesca Environment	Levis	51-200	61	33
18	Maskwa Environmental Consulting LTD	Calgary, AB	51-200	60	52
19	Falkirk Consulting	North Vancouver, BC	51-200	59	48
20	Globescan	Toronto, ON	51-200	57	43
21	Sustainext	Mississauga, ON	11-50	54	26
22	Arcadian Projects INC	New Hamburg, ON	51-200	54	22
23	Minnow Environmental, A Trinity Consultants Canada Team	Georgetown, ON	51-200	51	41
24	LCL	Granby, QC	11-50	47	30
25	Comptinc	Montreal, QC	11-50	42	21

Showing 25 of 703 esg consulting firms based in Canada

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Esg consulting firms based in Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 136 HQs

7,070Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

523

11-50

138

51-200

201-500

501-1,000

1,001-5,000

10001+

Esg consulting firms by metro

Metro	Companies
Esg consulting firms in Toronto	136
Esg consulting firms in Calgary	80
Esg consulting firms in Montreal	78
Esg consulting firms in Vancouver	68
Esg consulting firms in Edmonton	19
Esg consulting firms in Ottawa	19
Esg consulting firms in Quebec	15

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “esg consulting firms”, with match quality audited by blind human judging, and headquartered in Canada.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many esg consulting firms are there based in Canada?

There are 703 esg consulting firms headquartered in Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Stantec, headquartered in Edmonton, tops this list with the largest team on record.

Which city has the most esg consulting firms?

Toronto leads with 136 headquartered companies, followed by Calgary (80) and Montreal (78).

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 20,955 verified decision-maker contacts tracked across these 703 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.