Company lists · Data verified August 2026

Top 25 AI security companies based in Australia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 182 companies tracked

There are 182 AI security companies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 2,124 professional contacts across them, including 830 with verified work emails and 168 with mobile numbers. Sydney is the largest hub.

This list covers AI security companies headquartered in 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.

182Companies

2,124Contacts tracked

830Verified emails

168Mobile numbers

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The 25 largest AI security companies based in Australia

Ranked by team size

Top 25 of 182 AI security companies based in 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	Webroot	Chatswood	501-1,000	199	75
2	PMT Security Systems	Eight Mile Plains	51-200	142	92
3	SAPIO	Mitchell	51-200	129	80
4	RED Sift	Surry Hills	51-200	109	55
5	Secutec	Sydney	51-200	102	37
6	Ultimate Security Australia	Concord	501-1,000	91	34
7	Secom Technical Services PTY LTD	Canberra Airport	51-200	87	64
8	Signal Security	Melbourne	11-50	69	4
9	Entersoft Security	Brisbane	51-200	63	20
10	RED Piranha	Melbourne	51-200	58	41
11	Leader Security Electronics	Mitchell	51-200	45	9
12	Bluerydge	Fyshwick	51-200	39	28
13	Omnivision	Mulgrave	51-200	39	23
14	Bsms Security	Lane Cove West	201-500	39	8
15	Plerion	Sydney	11-50	38	18
16	Asset Security Concepts	Rydalmere	11-50	33	7
17	Beyond Data	Sydney	11-50	25	8
18	Threatdefence	Sydney	11-50	24	17
19	Signature Security Group	Gold Coast	51-200	22	4
20	Smokeshield Security	Springvale	11-50	21	10
21	Guardcorp Security PTY LTD	Ultimo	201-500	19	1
22	Threat Intelligence	Sydney	11-50	19	1
23	Paul-Tec Security Group	Seven Hills	51-200	14	8
24	Cosive	Melbourne	11-50	14	8
25	Citywatch Security	Brunswick	51-200	14	6

Showing 25 of 182 AI security companies based in Australia

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AI security companies based in Australia at a glance

As of Aug 28, 2026

11-50Median size (employees)

SydneyLargest hub · 39 HQs

168Contacts with mobile numbers

5Emails 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

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 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; 5 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 Australia?

There are 182 AI security companies headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

Webroot, headquartered in Chatswood, 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 830 verified decision-maker contacts tracked across these 182 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.