Company lists · Data verified August 2026

Top 25 Cybersecurity consulting firms based in Canada

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,116 companies tracked

There are 1,116 cybersecurity consulting firms headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 25,018 professional contacts across them, including 12,485 with verified work emails and 4,008 with mobile numbers. Toronto is the largest hub.

This list covers cybersecurity consulting firms 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.

1,116Companies

25,018Contacts tracked

12,485Verified emails

4,008Mobile numbers

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The 25 largest cybersecurity consulting firms based in Canada

Ranked by team size

Top 25 of 1,116 cybersecurity consulting firms 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	Lgs, An IBM Company	Montreal, QC	501-1,000	736	44
4	Online Business Systems	Edmonton, AB	201-500	588	194
5	Commissionaires BC	Vancouver, BC	1,001-5,000	301	16
6	f12.net	Markham, ON	201-500	267	190
7	Xalient	Toronto, ON	201-500	260	181
8	Bulletproof, A GLI Company	Fredericton, NB	201-500	249	186
9	ESI Technologies	Toronto, ON	201-500	191	109
10	Safeaeon INC	Charlottetown, PE	51-200	188	27
11	Convergence Networks	Winnipeg, MB	201-500	183	118
12	Cypfer	Toronto, ON	51-200	178	107
13	Victrix	Montreal, QC	201-500	177	125
14	MS Solutions	Montreal, QC	51-200	157	55
15	Iema Research & Development Pvt. Ltd. - Iemlabs	Burnaby, BC	51-200	140	43
16	Neverhack France	Montreal, QC	1,001-5,000	102	35
17	Kmicro Tech, INC	Milton, ON	51-200	100	60
18	SRG Security Resource Group INC	Saskatoon, SK	501-1,000	90	29
19	ISA Cybersecurity	Calgary, AB	51-200	83	43
20	Emazzanti Technologies	Markham, ON	51-200	68	52
21	Plurilock	Victoria, BC	51-200	63	34
22	Compuvision Systems	Edmonton, AB	501-1,000	63	28
23	Rhesus	Mirabel, QC	51-200	58	40
24	ION	Calgary, AB	51-200	56	43
25	GAM Tech	Calgary, AB	51-200	47	27

Showing 25 of 1,116 cybersecurity consulting firms based in Canada

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Cybersecurity consulting firms based in Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 262 HQs

4,008Contacts with mobile numbers

8Emails re-verified in last 30 days

Companies by employee count

1-10

706

11-50

317

51-200

201-500

501-1,000

1,001-5,000

10001+

Cybersecurity consulting firms by metro

Metro	Companies
Cybersecurity consulting firms in Toronto	262
Cybersecurity consulting firms in Montreal	114
Cybersecurity consulting firms in Ottawa	94
Cybersecurity consulting firms in Calgary	92
Cybersecurity consulting firms in Vancouver	65
Cybersecurity consulting firms in Mississauga	36
Cybersecurity consulting firms in Edmonton	34
Cybersecurity consulting firms in Quebec	25

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 firms”, 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; 8 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 firms are there based in Canada?

There are 1,116 cybersecurity consulting firms 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 firms?

Toronto leads with 262 headquartered companies, followed by Montreal (114) and Ottawa (94).

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 12,485 verified decision-maker contacts tracked across these 1,116 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.