Company lists · Data verified August 2026

Top 25 Application security testing companies based in Canada

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 123 companies tracked

There are 123 application security testing companies headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 694 professional contacts across them, including 260 with verified work emails and 63 with mobile numbers. Toronto is the largest hub.

This list covers application security testing 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.

123Companies

694Contacts tracked

260Verified emails

63Mobile numbers

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The 25 largest application security testing companies based in Canada

Ranked by team size

Top 25 of 123 application security testing 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	Packetlabs	Calgary, AB	51-200	65	36
2	Okiok Data LTD	Laval, QC	11-50	46	21
3	Atredis Partners	n/a	11-50	32	28
4	Elastify	Halifax	11-50	32	20
5	Mirai Security	Vancouver, BC	11-50	26	21
6	Software Secured	Ottawa, ON	11-50	25	12
7	Malleum	Ottawa, ON	11-50	24	13
8	Canary Trap	Mississauga	11-50	23	14
9	Vumetric By Telus	Quebec, QC	n/a	20	12
10	Captosec Cybersecurity And IT Solutions For Business	Quebec, QC	11-50	16	8
11	Sabytel Technologies, INC	Ottawa, ON	11-50	14	8
12	Websec	Victoria, BC	11-50	13	5
13	Securednet	Calgary, AB	11-50	10	4
14	Ardent Security	Montreal, QC	1-10	9	2
15	K2 Enterprise Security INC	Ottawa	1-10	8	2
16	Glitchsecure	Winnipeg, MB	1-10	6	4
17	Source 44 Security	Markham, ON	11-50	6	3
18	Ezotech INC	London, ON	11-50	5	4
19	Loudmouth Security	Ottawa, ON	1-10	4	2
20	YACK	St-Jean-Sur-Richelieu, QC	1-10	4	2
21	Purple Team	Calgary, AB	11-50	4	1
22	Assurance Protection Group Inc. Apgi	Toronto, ON	1-10	4	1
23	Subgraph	Montreal, QC	1-10	4	1
24	Security Compass Advisory	Toronto, ON	51-200	3	2
25	Bitsproof	Toronto, ON	11-50	3	1

Showing 25 of 123 application security testing companies based in Canada

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Application security testing companies based in Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 35 HQs

63Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

5,001-10,000

10001+

Application security testing companies by metro

Metro	Companies
Application security testing companies in Toronto	35
Application security testing companies in Ottawa	16
Application security testing companies in Montreal	15
Application security testing companies in Calgary	8
Application security testing companies in Mississauga	5
Application security testing companies in Victoria	4
Application security testing companies in Vancouver	4
Application security testing companies in Quebec	3

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 “application security testing 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; 2 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 application security testing companies are there based in Canada?

There are 123 application security testing companies headquartered in Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Packetlabs, headquartered in Calgary, tops this list with the largest team on record.

Which city has the most application security testing companies?

Toronto leads with 35 headquartered companies, followed by Ottawa (16) and Montreal (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 260 verified decision-maker contacts tracked across these 123 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.