Company lists · Data verified August 2026

Top 20 Cybersecurity companies based in Perth, Australia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 43 companies tracked

Our directory lists 43 cybersecurity companies based in Perth, Australia, with 1,521 professional contacts and 720 email addresses. The list was last updated in August 2026, and Sydney 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.

43Companies

1,521Contacts tracked

720Verified emails

70Mobile numbers

Unlock all 43 companies Free account · no credit card · 2 minutes

The 20 largest cybersecurity companies based in Perth, Australia

Ranked by team size

Top 20 of 43 cybersecurity companies based in Perth, Australia, 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	Seamless Intelligence	Perth	11-50	24	15
2	Cube Cyber	Perth	11-50	16	13
3	Silverfern IT	Perth	11-50	13	9
4	Steltek	Perth	1-10	10	5
5	Cyberproof	Perth	1-10	8	6
6	Databl	Perth	11-50	6	5
7	Flux IT	Perth	1-10	6	2
8	C2pr	Perth	1-10	5	4
9	Cs-8	Perth	11-50	4	3
10	Your IT Department	Perth	1-10	4	2
11	GA Systems Global Asset Systems	Perth	11-50	4	1
12	Cimply	Perth	1-10	3	3
13	Outplat Security	Perth	1-10	3	2
14	Telit Online	Perth	1-10	3	1
15	The Dark Night Online	Perth	1-10	2	1
16	Cyber Advisor	Perth	1-10	2	1
17	Advena	Perth	1-10	2	1
18	Cybaware	Perth	1-10	1	1
19	Cyber CIO	Perth	1-10	1	1
20	Ciso Consultants	Perth	1-10	1	1

Showing 20 of 43 cybersecurity companies based in Perth, Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 720 reachable decision-makers.

Free account · no credit card

See all 43 companies

Cybersecurity companies based in Perth, Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 210 HQs

70Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Cybersecurity companies by metro in Australia

Metro	Companies
Cybersecurity companies in Sydney	210
Cybersecurity companies in Melbourne	192
Cybersecurity companies in Brisbane	92
Cybersecurity companies in Canberra	48
Cybersecurity companies in Perth	43
Cybersecurity companies in Adelaide	36
Cybersecurity companies in Brisbane City	14

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 Perth, Australia.
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; 4 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 43 cybersecurity companies based in Perth, Australia.

Which city has the most cybersecurity companies?

Sydney is the single most-represented city among the cybersecurity companies on the list.

How many contacts are available for cybersecurity companies?

The directory includes 1,521 professional contacts and 720 email addresses for the listed cybersecurity companies.

Ready to reach these companies? Verified emails and direct dials for all 43 cybersecurity companies based in Perth, Australia. Start with a free account, no credit card.

Get the full list

Related lists

Cybersecurity companies by geography

Browse the directory

Browse: Companies home · Cybersecurity companies in Australia · All Australia lists · All Cybersecurity companies lists · New lists

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.