Company lists · Data verified August 2026

Top 25 Cybersecurity companies based in Toronto, Canada

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 246 companies tracked

Our directory lists 246 cybersecurity companies based in Toronto, Canada, with 2,818 professional contacts and 1,483 email addresses. The list was last updated in August 2026, and Toronto is the single most-represented city among the companies listed.

Cybersecurity companies provide products and services that protect systems, networks, applications, devices, and data from unauthorized access, disruption, or misuse. This list covers companies that provide cybersecurity products, services, consulting, assessments, monitoring, incident response, or related protection for digital systems and data. Ranked by team size, largest first. Data current as of August 28, 2026.

246Companies

2,818Contacts tracked

1,483Verified emails

625Mobile numbers

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The 25 largest cybersecurity companies based in Toronto, Canada

Ranked by team size

Top 25 of 246 cybersecurity companies based in Toronto, 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	Bluevoyant	Toronto	501-1,000	678	502
2	Xalient	Toronto, ON	201-500	260	181
3	Resilience	Toronto, ON	201-500	256	188
4	ESI Technologies	Toronto, ON	201-500	191	109
5	Cypfer	Toronto, ON	51-200	178	107
6	Boxx Insurance INC	Toronto, ON	51-200	51	38
7	Cyderes	Toronto, ON	501-1,000	36	33
8	Iamconcepts	Toronto, ON	51-200	35	22
9	Hudson Technology	Toronto, ON	51-200	32	19
10	Fusion Computing Limited	Toronto, ON	11-50	29	17
11	Scriptics	Toronto, ON	201-500	21	4
12	Fulcrum IT Partners	Toronto, ON	501-1,000	20	13
13	Armour Cybersecurity	Toronto, ON	11-50	20	13
14	Datametrex AI LTD	Toronto, ON	11-50	20	3
15	BDATA	Toronto, ON	11-50	20	1
16	Optimus Tech Solutions INC	Toronto, ON	11-50	18	10
17	System Architects INC	Toronto, ON	11-50	17	7
18	Threat IQ	Toronto	11-50	16	10
19	Forward Security	Toronto, ON	11-50	16	8
20	Opentekware INC	Toronto, ON	11-50	16	5
21	Mjolnir Security INC	Toronto, ON	11-50	15	11
22	Codeeye	Toronto	11-50	15	3
23	Cryptomill Cybersecurity Solutions	Toronto, ON	11-50	14	7
24	Athena Cloud Limited	Toronto, ON	51-200	13	4
25	Sato Technologies	Toronto, ON	11-50	12	6

Showing 25 of 246 cybersecurity companies based in Toronto, Canada

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Cybersecurity companies based in Toronto, Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 246 HQs

625Contacts with mobile numbers

11Emails re-verified in last 30 days

Companies by employee count

1-10

132

11-50

51-200

201-500

501-1,000

Cybersecurity companies by metro in Canada

Metro	Companies
Cybersecurity companies in Toronto	246
Cybersecurity companies in Montreal	119
Cybersecurity companies in Ottawa	88
Cybersecurity companies in Calgary	87
Cybersecurity companies in Vancouver	61
Cybersecurity companies in Mississauga	35
Cybersecurity companies in Edmonton	28

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 companies”, with match quality audited by blind human judging, and headquartered in Toronto, 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; 11 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 companies are in the directory?

The directory lists 246 cybersecurity companies based in Toronto, Canada.

Which city has the most cybersecurity companies?

Toronto is the single most-represented city among the cybersecurity companies on the list.

How many contacts are available for cybersecurity companies?

The directory includes 2,818 professional contacts and 1,483 email addresses for the listed cybersecurity companies.

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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.