Company lists · Data verified August 2026

Top 25 Application security testing companies based in Australia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 107 companies tracked

There are 107 application security testing companies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 770 professional contacts across them, including 300 with verified work emails and 32 with mobile numbers. Sydney is the largest hub.

This list covers application security testing 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.

107Companies

770Contacts tracked

300Verified emails

32Mobile numbers

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The 25 largest application security testing companies based in Australia

Ranked by team size

Top 25 of 107 application security testing 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	Triskele Labs	Melbourne	51-200	123	89
2	Revolution IT	Adelaide	201-500	72	8
3	Entersoft Security	Brisbane	51-200	63	20
4	OP Innovate	Canberra	11-50	34	21
5	Cybernara	Adelaide	11-50	29	5
6	Silentgrid Security	Sydney	11-50	22	12
7	Threat Intelligence	Sydney	11-50	19	1
8	Tanto Security	Sydney	11-50	18	10
9	Cybersecon	Melbourne	11-50	18	6
10	Diesec	Sydney	51-200	15	9
11	Krash Consulting	Adelaide	11-50	15	7
12	Sentaris	Sydney	11-50	14	9
13	Spartans Security	Cremorne	11-50	14	8
14	Elttam	Melbourne	11-50	12	9
15	Galah Cyber	Sydney	11-50	12	6
16	Volkis	Sydney	11-50	11	5
17	Syber Services	Melbourne	11-50	10	7
18	Haksec Group	Sunshine Coast	1-10	8	2
19	Dotsec	Brisbane	11-50	7	5
20	DVULN	Sydney	1-10	7	4
21	Shea Security	Melbourne	1-10	7	3
22	Proveho Networks	Melbourne	11-50	5	5
23	Irradiate Security	Canberra	1-10	5	5
24	Cultural Cyber Security	Cleveland	1-10	5	4
25	Acumenis	Toowoomba	1-10	5	4

Showing 25 of 107 application security testing companies based in Australia

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Application security testing companies based in Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 27 HQs

32Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Application security testing companies by metro

Metro	Companies
Application security testing companies in Sydney	27
Application security testing companies in Melbourne	23
Application security testing companies in Brisbane	10
Application security testing companies in Canberra	10
Application security testing companies in Perth	7
Application security testing companies in Adelaide	6
Application security testing companies in Sunshine Coast	2
Application security testing companies in Ramsgate	1

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 “application security testing 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; 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 application security testing companies are there based in Australia?

There are 107 application security testing companies headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

Triskele Labs, headquartered in Melbourne, tops this list with the largest team on record.

Which city has the most application security testing companies?

Sydney leads with 27 headquartered companies, followed by Melbourne (23) and Brisbane (10).

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 300 verified decision-maker contacts tracked across these 107 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.