Company lists · Data verified August 2026

Top 14 Cybersecurity companies based in Mississauga, Canada

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 35 companies tracked

Our directory lists 35 cybersecurity companies based in Mississauga, Canada, with 284 professional contacts and 103 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.

35Companies

284Contacts tracked

103Verified emails

16Mobile numbers

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The 14 largest cybersecurity companies based in Mississauga, Canada

Ranked by team size

Top 14 of 35 cybersecurity companies based in Mississauga, 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	Allheart WEB	Mississauga, ON	51-200	64	24
2	Control GAP	Mississauga, ON	11-50	42	31
3	Canary Trap	Mississauga	11-50	23	14
4	Stratejm	Mississauga, ON	51-200	12	7
5	Cyberconiq, Safer Online	Mississauga, ON	11-50	11	8
6	Messageware	Mississauga, ON	11-50	9	6
7	Infiltrateiq	Mississauga, ON	1-10	9	4
8	J-Sas INC	Mississauga, ON	11-50	6	3
9	Complytec INC	Mississauga, ON	11-50	4	1
10	Secrecy Evolution	Mississauga, ON	1-10	3	1
11	Socvault	Mississauga, ON	11-50	2	1
12	Cisphere, INC	Mississauga, ON	1-10	2	1
13	Brigient	Mississauga	11-50	1	1
14	telaverus.com	Mississauga	1-10	1	1

Showing 14 of 35 cybersecurity companies based in Mississauga, Canada

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Cybersecurity companies based in Mississauga, Canada at a glance

As of Aug 28, 2026

11-50Median size (employees)

TorontoLargest hub · 246 HQs

16Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

1,001-5,000

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 Mississauga, 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; 0 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 35 cybersecurity companies based in Mississauga, 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 284 professional contacts and 103 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.