Company lists · Data refreshed September 2026

Top 25 Cleantech startups based in Canada

Name: Cleantech startups based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 403 companies tracked

RevenueBase identified 403 cleantech startups headquartered in Canada as of September 2026 and tracks 5,185 professional contacts across them, including 2,110 with verified work emails. Toronto is the largest hub.

This list covers cleantech startups 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 19, 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 19, 2026 86% judged on-target in blind review

403Companies

5,185Contacts tracked

2,110Verified emails

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The 25 largest cleantech startups based in Canada

Ranked by team size

Top 25 of 403 cleantech startups based in Canada, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to cleantech startups: 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	Boralex INC	Indirect evidence	Kingsey Falls, QC, CanadaHQ checked Sep 19, 2026	501-1,000	801 contacts →
	Indirect evidence “At Boralex, we have been providing affordable renewable energy accessible to everyone for over 30 years.” Source: RevenueBase Database · checked Sep 19, 2026
2	CORIX	Indirect evidence	Vancouver, BC, CanadaHQ checked Sep 19, 2026	n/a	610 contacts →
	Indirect evidence “Corix designs, builds, finances, owns and operates low-carbon energy solutions for communities across North America.” Source: RevenueBase Database · checked Sep 19, 2026
3	Westport Fuel Systems	Indirect evidence	Vancouver, BC, CanadaHQ checked Sep 19, 2026	51-200	480 contacts →
	Indirect evidence “Westport is a clean-tech innovation company, providing simplified solutions to decarbonize.” Source: RevenueBase Database · checked Sep 19, 2026
4	Borea Construction	Indirect evidence	Lévis, QC, CanadaHQ checked Sep 19, 2026	201-500	455 contacts →
	Indirect evidence “Borea Construction est le leader nord-américain dans la construction d'énergie renouvelable.” Source: RevenueBase Database · checked Sep 19, 2026
5	Foresight Canada	Indirect evidence	Vancouver, BC, CanadaHQ checked Sep 19, 2026	11-50	143 contacts →
	Indirect evidence “In the world we’re building, sustainability isn't a buzzword.” Source: RevenueBase Database · checked Sep 19, 2026
6	Polaron Energy	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 19, 2026	51-200	123 contacts →
	Indirect evidence “Polaron has defined excellence in Canada’s renewable energy sector since 2013, with proven staying power amid a fast paced industry and a vast portfolio of over installations.” Source: RevenueBase Database · checked Sep 19, 2026
7	Blackstone Energy Services INC	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 19, 2026	51-200	98 contacts →
	Indirect evidence “Blackstone Energy is an energy transition company that delivers responsible energy and carbon management.” Source: RevenueBase Database · checked Sep 19, 2026
8	Potentia Renewables INC	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 19, 2026	51-200	92 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026
9	Énergère	Indirect evidence	Montréal, QC, CanadaHQ checked Sep 19, 2026	51-200	81 contacts →
	Indirect evidence “Depuis sa fondation en 1997, Énergère (GDI-Ainsworth) est le leader de la transition énergétique, de l’efficacité énergétique et des réductions des émissions de gaz à effet de…” Source: RevenueBase Database · checked Sep 19, 2026
10	Dunsky Energy Climate Advisors	Indirect evidence	Montreal, QC, CanadaHQ checked Sep 19, 2026	51-200	70 contacts →
	Indirect evidence “DUNSKY ENERGY + CLIMATE ADVISORS provides top-level research, analysis and strategic counsel in support of our clients’ clean energy and climate goals, with a focus on buildings…” Source: RevenueBase Database · checked Sep 19, 2026
11	Arcadian Projects INC	Indirect evidence	New Hamburg, ON, CanadaHQ checked Sep 19, 2026	51-200	54 contacts →
	Indirect evidence “Building a Resilient Future, Together At Arcadian Projects, we’re driven by a deep commitment to a better tomorrow.” Source: RevenueBase Database · checked Sep 19, 2026
12	Ekona Power	Indirect evidence	Burnaby, BC, CanadaHQ checked Sep 19, 2026	11-50	49 contacts →
	Indirect evidence “With a deep commitment to clean energy and environmental solutions, we are developing a breakthrough technology that transforms the way we produce clean hydrogen.” Source: RevenueBase Database · checked Sep 19, 2026
13	Nergica	Indirect evidence	Gaspé, QC, CanadaHQ checked Sep 19, 2026	11-50	46 contacts →
	Indirect evidence “Nergica is a centre of applied research that stimulates innovation in the renewable energy industry through research, technical assistance, technology transfer and technical…” Source: RevenueBase Database · checked Sep 19, 2026
14	VCT Group	Indirect evidence	Kitchener, ON, CanadaHQ checked Sep 19, 2026	11-50	44 contacts →
	Indirect evidence “At VCT Group, we're focused on developing and generating creative, sustainable energy solutions.” Source: RevenueBase Database · checked Sep 19, 2026
15	Verschuren Centre	Indirect evidence	Sydney, NS, CanadaHQ checked Sep 19, 2026	11-50	38 contacts →
	Indirect evidence “The Verschuren Centre Inc.” Source: RevenueBase Database · checked Sep 19, 2026
16	Ecofitt Corp	Indirect evidence	Calgary, AB, CanadaHQ checked Sep 19, 2026	51-200	38 contacts →
	Indirect evidence “Ecofitt Corporation is recognized as a premier "Clean Energy" solutions provider and has earned its unparalleled reputation as the premier distributor of high-efficiency water and…” Source: RevenueBase Database · checked Sep 19, 2026
17	Cleantek Industries Inc. Tsxv Ctek	Partial evidence	Calgary, AB, CanadaHQ checked Sep 19, 2026	11-50	33 contacts →
	Partial evidence “Cleantek Industries provides patented technology solutions and equipment rentals to the oil & gas, mining, and industrial sectors.” Source: RevenueBase Database · checked Sep 19, 2026
18	2 Degrés	Indirect evidence	Québec, QC, CanadaHQ checked Sep 19, 2026	1-10	30 contacts →
	Indirect evidence “2 Degrés est le premier et seul incubateur au Québec voué à accompagner de nouvelles entreprises en technologies propres.” Source: RevenueBase Database · checked Sep 19, 2026
19	Stormfisher Hydrogen	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 19, 2026	11-50	27 contacts →
	Indirect evidence “StormFisher develops and operates facilities that recycle energy and water in an environmentally and economically sustainable manner.” Source: RevenueBase Database · checked Sep 19, 2026
20	Noventa Energy Partners	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 19, 2026	11-50	27 contacts →
	Indirect evidence “Noventa is a renewable energy company providing proprietary solutions to reduce carbon emissions and manage energy costs through a full suite of services that range from…” Source: RevenueBase Database · checked Sep 19, 2026
21	Mienergy	Indirect evidence	Saskatoon, AB, CanadaHQ checked Sep 19, 2026	51-200	27 contacts →
	Indirect evidence “One of Western Canada's leading renewable energy solutions centre - bringing your solar, geothermal and more.” Source: RevenueBase Database · checked Sep 19, 2026
22	Écotech Québec	Indirect evidence	Montreal, QC, CanadaHQ checked Sep 19, 2026	1-10	26 contacts →
	Indirect evidence “Première organisation du genre au Canada, Écotech Québec rassemble et mobilise l'industrie des technologies propres autour d'objectifs communs et d'actions concertées.” Source: RevenueBase Database · checked Sep 19, 2026
23	Carbon Management Canada	Indirect evidence	Calgary, AB, CanadaHQ checked Sep 19, 2026	11-50	25 contacts →
	Indirect evidence “At Carbon Management Canada, our mission is to support the advancement of technologies to reduce carbon emissions in large-scale industry.” Source: RevenueBase Database · checked Sep 19, 2026
24	Plugzio	Strong evidence	Richmond, BC, CanadaHQ checked Sep 19, 2026	1-10	25 contacts →
	Strong evidence “Plugzio is a cleantech startup specializing in smart power management and EV charging solutions, designed for multiunit residential buildings and commercial properties.” Source: RevenueBase Database · checked Sep 19, 2026
25	Blade AIR	Partial evidence	Toronto, ON, CanadaHQ checked Sep 19, 2026	11-50	24 contacts →
	Partial evidence “Blade Air is a global cleantech company transforming how buildings manage air.” Source: RevenueBase Database · checked Sep 19, 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: cleantech startups. 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 cleantech startups.
Partial evidence: Its own public description names part of cleantech startups, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name cleantech startups. 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 403 cleantech startups based in Canada

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Cleantech startups based in Canada at a glance

As of Sep 19, 2026

40.7%Verified-email coverage

12.9Average contacts per company

1-10Median size (employees)

19.6%Largest-city concentration · Toronto

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

257

11-50

119

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 403 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 cleantech startups, 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 “cleantech startups”. 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 cleantech startups), 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 cleantech startups, 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, 2,110 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 19, 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.

Cleantech startups 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 cleantech startups, 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 cleantech startups are there based in Canada?

RevenueBase identified 403 cleantech startups 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?

Boralex INC, headquartered in Kingsey Falls, tops this list with the largest team on record.

Which city has the most cleantech startups?

Toronto leads with 79 headquartered companies, followed by Calgary (58) and Vancouver (29).

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 2,110 verified decision-maker contacts tracked across these 403 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 19, 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.