Company lists · Data verified August 2026

Top 25 Carbon accounting firms based in Canada

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 281 companies tracked

There are 281 carbon accounting firms headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 2,130 professional contacts across them, including 1,019 with verified work emails and 163 with mobile numbers. Toronto is the largest hub.

This list covers carbon accounting 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.

281Companies

2,130Contacts tracked

1,019Verified emails

163Mobile numbers

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The 25 largest carbon accounting firms based in Canada

Ranked by team size

Top 25 of 281 carbon accounting 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	EMM Consulting PTY Limited	Calgary, AB	201-500	356	267
2	Delphi	Calgary, AB	51-200	89	31
3	Akonovia	Toronto	51-200	73	25
4	Prism Engineering Limited	Nelson, BC	51-200	65	47
5	Sustainext	Mississauga, ON	11-50	54	26
6	Arcadian Projects INC	New Hamburg, ON	51-200	54	22
7	Quinn Partners	Montreal, QC	11-50	51	46
8	Ostrom Climate Solutions INC	Vancouver, BC	11-50	37	23
9	Footprint	Edmonton, AB	11-50	37	18
10	Energy Performance Services EPS	Montreal, QC	11-50	31	24
11	CD Sonter LTD	Toronto, ON	11-50	30	22
12	Panevo	Vancouver, BC	11-50	29	19
13	Ecovert Member Of BPA	Toronto, ON	11-50	28	15
14	Enviro-Experts	Laval, QC	11-50	27	11
15	ARBOR	Calgary	11-50	25	14
16	Premier Environmental Services INC	Montreal	11-50	23	19
17	SCV Consulting LTD	Rockwood, ON	11-50	22	15
18	Enviro-Stewards INC	Elmira, ON	11-50	21	15
19	S3r- Waste Management Optimization	Laval, QC	11-50	20	7
20	Green SKY Sustainability Consulting INC	Vancouver, BC	11-50	18	5
21	Watters Environmental Group INC	Vaughan, ON	11-50	17	13
22	Tate Engineering INC	Halifax, NS	11-50	17	9
23	Nasdaq Metrio	Montreal, QC	201-500	16	7
24	Ellio Agence Conseil EN Développement Durable	Montreal, QC	11-50	15	11
25	Aladaco Consulting INC	Cambridge, ON	11-50	15	10

Showing 25 of 281 carbon accounting firms based in Canada

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Carbon accounting firms based in Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 52 HQs

163Contacts with mobile numbers

6Emails re-verified in last 30 days

Companies by employee count

1-10

212

11-50

51-200

201-500

501-1,000

Carbon accounting firms by metro

Metro	Companies
Carbon accounting firms in Toronto	52
Carbon accounting firms in Montreal	39
Carbon accounting firms in Calgary	36
Carbon accounting firms in Vancouver	28
Carbon accounting firms in Edmonton	9
Carbon accounting firms in Ottawa	7
Carbon accounting firms in Mississauga	6

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 “carbon accounting 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; 6 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 carbon accounting firms are there based in Canada?

There are 281 carbon accounting firms headquartered in Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

EMM Consulting PTY Limited, headquartered in Calgary, tops this list with the largest team on record.

Which city has the most carbon accounting firms?

Toronto leads with 52 headquartered companies, followed by Montreal (39) and Calgary (36).

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 1,019 verified decision-maker contacts tracked across these 281 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.