Company lists · Data verified August 2026

Top 25 Cybersecurity consulting companies based in Canada

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 994 companies tracked

There are 994 cybersecurity consulting companies headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 23,691 professional contacts across them, including 12,390 with verified work emails and 4,006 with mobile numbers. Toronto is the largest hub.

This list covers cybersecurity consulting 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.

994Companies

23,691Contacts tracked

12,390Verified emails

4,006Mobile numbers

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The 25 largest cybersecurity consulting companies based in Canada

Ranked by team size

Top 25 of 994 cybersecurity consulting 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	Cyderes	Calgary, AB	1,001-5,000	842	485
3	Esentire	Waterloo, ON	501-1,000	630	433
4	Online Business Systems	Edmonton, AB	201-500	588	194
5	Xalient	Toronto, ON	201-500	260	181
6	Bulletproof, A GLI Company	Fredericton, NB	201-500	249	186
7	ESI Technologies	Toronto, ON	201-500	191	109
8	Safeaeon INC	Charlottetown, PE	51-200	188	27
9	Convergence Networks	Winnipeg, MB	201-500	183	118
10	Cypfer	Toronto, ON	51-200	178	107
11	Victrix	Montreal, QC	201-500	177	125
12	MS Solutions	Montreal, QC	51-200	157	55
13	Iema Research & Development Pvt. Ltd. - Iemlabs	Burnaby, BC	51-200	140	43
14	Neverhack France	Montreal, QC	1,001-5,000	102	35
15	Kmicro Tech, INC	Milton, ON	51-200	100	60
16	SRG Security Resource Group INC	Saskatoon, SK	501-1,000	90	29
17	ISA Cybersecurity	Calgary, AB	51-200	83	43
18	Emazzanti Technologies	Markham, ON	51-200	68	52
19	Link11 Gmbh	Vancouver, BC	51-200	68	47
20	Plurilock	Victoria, BC	51-200	63	34
21	Compuvision Systems	Edmonton, AB	501-1,000	63	28
22	ION	Calgary, AB	51-200	56	43
23	GAM Tech	Calgary, AB	51-200	47	27
24	Ebryx LLC	Montreal, QC	201-500	47	26
25	Reliance North America	Toronto	51-200	44	18

Showing 25 of 994 cybersecurity consulting companies based in Canada

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Cybersecurity consulting companies based in Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 222 HQs

4,006Contacts with mobile numbers

10Emails re-verified in last 30 days

Companies by employee count

1-10

637

11-50

272

51-200

201-500

501-1,000

1,001-5,000

10001+

Cybersecurity consulting companies by metro

Metro	Companies
Cybersecurity consulting companies in Toronto	222
Cybersecurity consulting companies in Montreal	111
Cybersecurity consulting companies in Calgary	85
Cybersecurity consulting companies in Ottawa	85
Cybersecurity consulting companies in Vancouver	56
Cybersecurity consulting companies in Mississauga	32
Cybersecurity consulting companies in Edmonton	30
Cybersecurity consulting companies in Quebec	23

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 consulting 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; 10 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 consulting companies are there based in Canada?

There are 994 cybersecurity consulting 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 consulting companies?

Toronto leads with 222 headquartered companies, followed by Montreal (111) and Calgary (85).

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 12,390 verified decision-maker contacts tracked across these 994 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.