Company lists · Data verified August 2026

Top 17 Cybersecurity companies based in Adelaide, Australia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 36 companies tracked

Our directory lists 36 cybersecurity companies based in Adelaide, Australia, with 245 professional contacts and 134 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.

36Companies

245Contacts tracked

134Verified emails

10Mobile numbers

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The 17 largest cybersecurity companies based in Adelaide, Australia

Ranked by team size

Top 17 of 36 cybersecurity companies based in Adelaide, 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	Consunet PTY LTD	Adelaide	51-200	99	74
2	Cybernara	Adelaide	11-50	29	5
3	Krash Consulting	Adelaide	11-50	15	7
4	Bastion Technology Services	Adelaide	11-50	15	7
5	Cyberops PTY LTD	Adelaide	1-10	12	8
6	CSP Global	Adelaide	11-50	10	5
7	jamcyber.com	Adelaide	11-50	6	5
8	Reckon Security	Adelaide	1-10	5	4
9	HDQ Consulting	Adelaide	11-50	5	3
10	Alchemy Security Consulting	Adelaide	1-10	5	3
11	Secureware	Adelaide	1-10	4	4
12	Australian Cyber Defence	Adelaide	1-10	3	2
13	FIRCY	Adelaide	1-10	2	2
14	Southern Cyber	Adelaide	11-50	2	1
15	Radiant Security	Adelaide	1-10	2	1
16	Cygence	Adelaide	1-10	1	1
17	TWO Swords	Adelaide	1-10	1	1

Showing 17 of 36 cybersecurity companies based in Adelaide, Australia

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Cybersecurity companies based in Adelaide, Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 210 HQs

10Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

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 Adelaide, 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; 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 cybersecurity companies are in the directory?

The directory lists 36 cybersecurity companies based in Adelaide, 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 245 professional contacts and 134 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.