Company lists · Data verified August 2026

Top 25 Application security consulting firms based in Australia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 222 companies tracked

There are 222 application security consulting firms headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 1,438 professional contacts across them, including 532 with verified work emails and 67 with mobile numbers. Sydney is the largest hub.

This list covers application security consulting firms 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.

222Companies

1,438Contacts tracked

532Verified emails

67Mobile numbers

Unlock all 222 companies Free account · no credit card · 2 minutes

The 25 largest application security consulting firms based in Australia

Ranked by team size

Top 25 of 222 application security consulting firms 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	Ampion	Melbourne	501-1,000	64	21
3	Entersoft Security	Brisbane	51-200	63	20
4	3columns	n/a	51-200	58	32
5	Vectra	Melbourne	51-200	42	19
6	Ionize	Canberra	51-200	34	26
7	Fortian	Sydney	11-50	26	20
8	Gridware	Sydney	11-50	25	10
9	Silentgrid Security	Sydney	11-50	22	12
10	Threat Intelligence	Sydney	11-50	19	1
11	Tanto Security	Sydney	11-50	18	10
12	Cybersecon	Melbourne	11-50	18	6
13	Zynet PTY LTD	Tullamarine	11-50	17	9
14	Security Centric	Sydney Cbd	11-50	16	12
15	Morfit Group Consulting	Melbourne	51-200	15	10
16	Diesec	Sydney	51-200	15	9
17	Krash Consulting	Adelaide	11-50	15	7
18	Sentaris	Sydney	11-50	14	9
19	Spartans Security	Cremorne	11-50	14	8
20	Parabellum	Melbourne	11-50	14	4
21	Elttam	Melbourne	11-50	12	9
22	Galah Cyber	Sydney	11-50	12	6
23	Cyberrisk	Melbourne	11-50	11	10
24	Volkis	Sydney	11-50	11	5
25	Proton Security	Bondi Junction	11-50	11	2

Showing 25 of 222 application security consulting firms based in Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 532 reachable decision-makers.

Free account · no credit card

See all 222 companies

Application security consulting firms based in Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 59 HQs

67Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

142

11-50

51-200

201-500

501-1,000

Application security consulting firms by metro

Metro	Companies
Application security consulting firms in Sydney	59
Application security consulting firms in Melbourne	52
Application security consulting firms in Canberra	18
Application security consulting firms in Brisbane	14
Application security consulting firms in Perth	9
Application security consulting firms in Brisbane City	6
Application security consulting firms in Adelaide	6

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 consulting firms”, 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 consulting firms are there based in Australia?

There are 222 application security consulting firms 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 consulting firms?

Sydney leads with 59 headquartered companies, followed by Melbourne (52) and Canberra (18).

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 532 verified decision-maker contacts tracked across these 222 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.

Ready to reach these companies? Verified emails and direct dials for all 222 application security consulting firms based in Australia. Start with a free account, no credit card.

Get the full list

Related lists

Application security consulting firms by geography

Browse the directory

Browse: Companies home · All Australia lists · All Application security consulting firms 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.