Company lists · Data verified August 2026

Top 25 Cybersecurity threat detection companies based in Canada

Name: Cybersecurity threat detection companies based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 238 companies tracked

There are 238 cybersecurity threat detection companies headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 22,109 professional contacts across them, including 12,762 with verified work emails and 4,825 with mobile numbers. Toronto is the largest hub.

This list covers cybersecurity threat detection 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.

238Companies

22,109Contacts tracked

12,762Verified emails

4,825Mobile numbers

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The 25 largest cybersecurity threat detection companies based in Canada

Ranked by team size

Top 25 of 238 cybersecurity threat detection 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	Fortinet	Ottawa, ON	10001+	14,326	8,520
2	Arctic Wolf	Waterloo, ON	1,001-5,000	3,200	1,896
3	Cyderes	Calgary, AB	1,001-5,000	842	485
4	Bluevoyant	Toronto	501-1,000	678	502
5	Esentire	Waterloo, ON	501-1,000	630	433
6	D3 Security	Vancouver, BC	51-200	189	86
7	Safeaeon INC	Charlottetown, PE	51-200	188	27
8	Cypfer	Toronto, ON	51-200	178	107
9	Field Effect	Ottawa, ON	51-200	149	116
10	Iema Research & Development Pvt. Ltd. - Iemlabs	Burnaby, BC	51-200	140	43
11	Robotic Assistance Devices	Waterloo, ON	51-200	113	18
12	datastealth.io	Mississauga, ON	51-200	83	45
13	ISA Cybersecurity	Calgary, AB	51-200	83	43
14	Link11 Gmbh	Vancouver, BC	51-200	68	47
15	Allheart WEB	Mississauga, ON	51-200	64	24
16	Safety	Vancouver, BC	11-50	50	15
17	Ebryx LLC	Montreal, QC	201-500	47	26
18	Streamscan Cybersecurity	Montreal, QC	11-50	44	1
19	Intellisec Solutions	Brossard, QC	11-50	30	10
20	BYOS	Halifax, NS	11-50	27	19
21	Ipss INC	Toronto, ON	11-50	27	13
22	Mirai Security	Vancouver, BC	11-50	26	21
23	Lyrical Security	Markham, ON	11-50	24	17
24	HYAS	Vancouver, BC	11-50	18	3
25	Mjolnir Security INC	Toronto, ON	11-50	15	11

Showing 25 of 238 cybersecurity threat detection companies based in Canada

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Cybersecurity threat detection companies based in Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 53 HQs

4,825Contacts with mobile numbers

14Emails re-verified in last 30 days

Companies by employee count

1-10

123

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Cybersecurity threat detection companies by metro

Metro	Companies
Cybersecurity threat detection companies in Toronto	53
Cybersecurity threat detection companies in Montreal	29
Cybersecurity threat detection companies in Calgary	23
Cybersecurity threat detection companies in Vancouver	21
Cybersecurity threat detection companies in Mississauga	14
Cybersecurity threat detection companies in Ottawa	11
Cybersecurity threat detection companies in Kanata	5

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 “cybersecurity threat detection 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; 14 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 cybersecurity threat detection companies are there based in Canada?

There are 238 cybersecurity threat detection companies headquartered in Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Fortinet, headquartered in Ottawa, tops this list with the largest team on record.

Which city has the most cybersecurity threat detection companies?

Toronto leads with 53 headquartered companies, followed by Montreal (29) and Calgary (23).

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 12,762 verified decision-maker contacts tracked across these 238 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.