Company lists · Data verified August 2026

Top 25 Data security companies based in Canada

Name: Data security companies based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 185 companies tracked

There are 185 data security companies headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 15,550 professional contacts across them, including 8,901 with verified work emails and 3,021 with mobile numbers. Toronto is the largest hub.

This list covers data security 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.

185Companies

15,550Contacts tracked

8,901Verified emails

3,021Mobile numbers

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The 25 largest data security companies based in Canada

Ranked by team size

Top 25 of 185 data security 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	ESI Technologies	Toronto, ON	201-500	191	109
3	Iema Research & Development Pvt. Ltd. - Iemlabs	Burnaby, BC	51-200	140	43
4	datastealth.io	Mississauga, ON	51-200	83	45
5	Streamscan Cybersecurity	Montreal, QC	11-50	44	1
6	Intellisec Solutions	Brossard, QC	11-50	30	10
7	KOM Software	Ottawa, ON	11-50	24	7
8	B4 Networks INC	Barrie, ON	11-50	21	12
9	Captosec Cybersecurity And IT Solutions For Business	Quebec, QC	11-50	16	8
10	Carefreeit	Waterloo, ON	11-50	14	10
11	Cryptomill Cybersecurity Solutions	Toronto, ON	11-50	14	7
12	Hitachi Systems Security INC	Blainville, QC	501-1,000	13	7
13	Cord3 Innovation Data-Centric Security	Ottawa, ON	11-50	12	9
14	TITUS	Ottawa, ON	201-500	10	2
15	L42 Solutions LTD	Maple Ridge, BC	11-50	9	5
16	Restiv Technology	Calgary, AB	11-50	9	4
17	Clickcontrol	Montreal, QC	11-50	8	8
18	Mantle Technology	Montreal, QC	11-50	7	3
19	Source 44 Security	Markham, ON	11-50	6	3
20	Navigator	Halifax, NS	51-200	4	2
21	Complytec INC	Mississauga, ON	11-50	4	1
22	Root UP INC	Brossard, QC	51-200	3	2
23	Ciphersec	Brampton, ON	11-50	3	2
24	Cyber Unit	Vancouver, BC	11-50	3	2
25	Upside Business Technologies	Winnipeg, MB	11-50	3	1

Showing 25 of 185 data security companies based in Canada

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Data security companies based in Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 50 HQs

3,021Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

101

11-50

51-200

201-500

501-1,000

10001+

Data security companies by metro

Metro	Companies
Data security companies in Toronto	50
Data security companies in Montreal	17
Data security companies in Ottawa	15
Data security companies in Calgary	11
Data security companies in Vancouver	10
Data security companies in Mississauga	7
Data security companies in Quebec	6
Data security companies in Markham	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 “data security 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; 5 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 data security companies are there based in Canada?

There are 185 data security 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 data security companies?

Toronto leads with 50 headquartered companies, followed by Montreal (17) and Ottawa (15).

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 8,901 verified decision-maker contacts tracked across these 185 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.