Company lists · Data verified August 2026

Top 14 AI security companies based in Sydney, Australia

Name: AI security companies based in Sydney, Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 39 companies tracked

There are 39 AI security companies headquartered in Sydney, Australia (RevenueBase, August 2026). RevenueBase tracks 353 professional contacts across them, including 100 with verified work emails and 14 with mobile numbers. Sydney is the largest hub.

This list covers AI security companies headquartered in Sydney, Australia, 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.

39Companies

353Contacts tracked

100Verified emails

14Mobile numbers

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The 14 largest AI security companies based in Sydney, Australia

Ranked by team size

Top 14 of 39 AI security companies based in Sydney, 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	Secutec	Sydney	51-200	102	37
2	Plerion	Sydney	11-50	38	18
3	Beyond Data	Sydney	11-50	25	8
4	Threatdefence	Sydney	11-50	24	17
5	Threat Intelligence	Sydney	11-50	19	1
6	Cybermate	Sydney	11-50	13	2
7	Cyberhub Group	Sydney	11-50	9	3
8	DDI Labs	Sydney	1-10	7	4
9	Cyberai	Sydney	11-50	6	4
10	Shelfie	Sydney	11-50	4	2
11	Quantumstrike	Sydney	201-500	1	1
12	Optic Insights	Sydney	11-50	1	1
13	Astero	Sydney	1-10	1	1
14	Time & Focus	Sydney	1-10	1	1

Showing 14 of 39 AI security companies based in Sydney, Australia

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AI security companies based in Sydney, Australia at a glance

As of Aug 28, 2026

11-50Median size (employees)

SydneyLargest hub · 39 HQs

14Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

AI security companies by metro in Australia

Metro	Companies
AI security companies in Sydney	39
AI security companies in Melbourne	23
AI security companies in Canberra	6
AI security companies in Perth	5
AI security companies in Gold Coast	4
AI security companies in Brisbane	4
AI security companies in Surry Hills	4
AI security companies in Australia	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 “AI security companies”, with match quality audited by blind human judging, and headquartered in Sydney, 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; 1 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 AI security companies are there based in Sydney, Australia?

There are 39 AI security companies headquartered in Sydney, Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

Secutec, headquartered in Sydney, tops this list with the largest team on record.

Which city has the most AI security companies?

Sydney leads with 39 headquartered companies, followed by Melbourne (23) and Canberra (6).

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 100 verified decision-maker contacts tracked across these 39 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.