Company lists · Data verified August 2026

Top 25 Climate tech software companies based in Canada

Name: Climate tech software companies based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 174 companies tracked

There are 174 climate tech software companies headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 3,159 professional contacts across them, including 1,010 with verified work emails and 237 with mobile numbers. Toronto is the largest hub.

This list covers climate tech software companies 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.

174Companies

3,159Contacts tracked

1,010Verified emails

237Mobile numbers

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The 25 largest climate tech software companies based in Canada

Ranked by team size

Top 25 of 174 climate tech software companies 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	Gruppo AB	Guelph, ON	1,001-5,000	1,076	114
2	Westport Fuel Systems	Vancouver, BC	51-200	477	156
3	Blackstone Energy Services INC	Toronto, ON	51-200	96	76
4	Akonovia	Toronto	51-200	73	25
5	Clearblue Markets	Calgary, AB	51-200	66	36
6	Qube Technologies	Calgary, AB	51-200	64	43
7	Sensorup INC	Calgary, AB	11-50	55	40
8	Sustainext	Mississauga, ON	11-50	54	26
9	Arcadian Projects INC	New Hamburg, ON	51-200	54	22
10	SSG Sustainability Solutions Group	Tatamagouche, NS	11-50	47	30
11	Brightspot Climate	Calgary, AB	11-50	43	34
12	Bluwave-Ai	Ottawa, ON	11-50	37	23
13	Ostrom Climate Solutions INC	Vancouver, BC	11-50	37	23
14	Karbon-X	Calgary, AB	11-50	34	12
15	Enerzam	Montreal, QC	11-50	33	28
16	Figbytes Powered By Amcs	Ottawa, ON	51-200	31	16
17	Envirosoft Corporation	Calgary, AB	11-50	30	24
18	Viridis Terra	Sainte-Marie, QC	11-50	28	13
19	Open Technologies	Vancouver, BC	11-50	27	13
20	Fokabs	Ottawa, ON	11-50	27	13
21	Enviro-Experts	Laval, QC	11-50	27	11
22	ARBOR	Calgary	11-50	25	14
23	Invert INC	Ottawa, ON	11-50	22	10
24	Modern West	Calgary, AB	11-50	18	11
25	Green SKY Sustainability Consulting INC	Vancouver, BC	11-50	18	5

Showing 25 of 174 climate tech software companies based in Canada

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Climate tech software companies based in Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 35 HQs

237Contacts with mobile numbers

6Emails re-verified in last 30 days

Companies by employee count

1-10

103

11-50

51-200

501-1,000

1,001-5,000

Climate tech software companies by metro

Metro	Companies
Climate tech software companies in Toronto	35
Climate tech software companies in Calgary	27
Climate tech software companies in Vancouver	24
Climate tech software companies in Montreal	15
Climate tech software companies in Ottawa	10
Climate tech software companies in Mississauga	6
Climate tech software companies in Victoria	4

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 “climate tech software companies”, 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 climate tech software companies are there based in Canada?

There are 174 climate tech software companies headquartered in Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Gruppo AB, headquartered in Guelph, tops this list with the largest team on record.

Which city has the most climate tech software companies?

Toronto leads with 35 headquartered companies, followed by Calgary (27) and Vancouver (24).

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 1,010 verified decision-maker contacts tracked across these 174 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.