Company lists · Data verified August 2026

Top 25 Cybersecurity companies based in Ottawa, Canada

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 88 companies tracked

Our directory lists 88 cybersecurity companies based in Ottawa, Canada, with 15,200 professional contacts and 8,861 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.

88Companies

15,200Contacts tracked

8,861Verified emails

3,074Mobile numbers

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The 25 largest cybersecurity companies based in Ottawa, Canada

Ranked by team size

Top 25 of 88 cybersecurity companies based in Ottawa, 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	Acre Security	Ottawa, ON	201-500	336	189
3	Dnsnetworks Technology Company	Ottawa, ON	51-200	37	9
4	CCX Technologies	Ottawa, ON	11-50	29	13
5	Software Secured	Ottawa, ON	11-50	25	12
6	Grade A	Ottawa, ON	51-200	25	3
7	Malleum	Ottawa, ON	11-50	24	13
8	Valencia Risk	Ottawa, ON	11-50	19	10
9	Tehama Technologies	Ottawa, ON	11-50	19	9
10	Synersolutions	Ottawa, ON	1-10	19	2
11	Insa Corporation	Ottawa, ON	11-50	17	8
12	C3sa Cyber Security & Audit	Ottawa, ON	11-50	17	2
13	Secdev	Ottawa, ON	11-50	15	6
14	Sabytel Technologies, INC	Ottawa, ON	11-50	14	8
15	Cord3 Innovation Data-Centric Security	Ottawa, ON	11-50	12	9
16	Integra Networks	Ottawa, ON	11-50	12	3
17	Onpar Solutions	Ottawa, ON	11-50	11	6
18	BIT Solution	Ottawa, ON	1-10	11	1
19	Koza IT Services	Ottawa, ON	1-10	10	2
20	Tidal Point Software	Ottawa, ON	1-10	9	5
21	K2 Enterprise Security INC	Ottawa	1-10	8	2
22	Inbay Technologies INC	Ottawa, ON	11-50	6	2
23	Fuelled Networks, NOW Operating AS Intega IT	Ottawa, ON	11-50	5	4
24	Site-Secure Software	Ottawa, ON	1-10	5	3
25	Dominant Information Solutions Canada Disc INC	Ottawa, ON	1-10	5	2

Showing 25 of 88 cybersecurity companies based in Ottawa, Canada

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Cybersecurity companies based in Ottawa, Canada at a glance

As of Aug 28, 2026

1-10Median size (employees)

TorontoLargest hub · 246 HQs

3,074Contacts with mobile numbers

44Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

5,001-10,000

10001+

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 Ottawa, 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; 44 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 88 cybersecurity companies based in Ottawa, 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 15,200 professional contacts and 8,861 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.