Company lists · Data refreshed November 2026

Top 19 IT auditing firms based in Australia

RevenueBase identified 106 company matches for IT auditing firms associated with Australia as of November 2026 and tracks 430 professional contacts across them, including 152 with verified work emails. Melbourne is the largest hub.

This list covers company matches for IT auditing firms associated with Australia, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
106Companies
430Contacts tracked
152Verified emails
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The 19 largest IT auditing firms based in Australia

Ranked by team size
Top 19 of 106 company matches for IT auditing firms based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“LNP Audit and Assurance is a dynamic growing specialist audit and assurance practice.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchCanberra, AustraliaHQ recorded Nov 6, 20261-1020 contacts →

Exact match

“Cyconsol is an Australian based professional service provider specialising in the delivery of cyber security and IT related business consulting and training services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchOrange, AustraliaHQ recorded Nov 6, 20261-1018 contacts →

Exact match

“We are a specialist, audit only firm providing professional audit and assurance services throughout New South Wales.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“CyberSecOn is an Information security company with a presence in Australia, USA and India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“GRC360 Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWanniassa, AustraliaHQ recorded Nov 6, 20261-1013 contacts →

Exact match

“Torque Software's systems assist organisations in their governance, risk, compliance and assurance activities, including complying with legislation, internal policies and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Information security and technology risk management consulting - at CyberRisk we design, implement and operate information security programs to allow you to reduce and manage your…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Kantanna specialises in ISO 27001 and SOC 2-compliant IT services, with a strong focus on data security and privacy standards.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHolland Park East, AustraliaHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Overview Yellowhouse is your go to agency for advisory, assurance, consulting, education and training programs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBrisbane, AustraliaHQ recorded Nov 6, 202611-509 contacts →

Exact match

“We are an Australian based boutique, modern and industry-leading professional services organisation specialising in best practice assurance reviews for Gateway, Agile, Cyber…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-507 contacts →

Exact match

“We are your Technology Governance, Risk Management, Cybersecurity, and Assurance partner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBrisbane, AustraliaHQ recorded Nov 6, 202611-507 contacts →

Exact match

“dotSec is a professional cyber security organisation that was founded in on a single premise: A business that treats security as a strategic asset should be able to operate with…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchFortitude Valley, AustraliaHQ recorded Nov 6, 202611-507 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Secure computing and digital security transformation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSydney, AustraliaHQ recorded Nov 6, 20261-105 contacts →

Exact match

“The term Centropy is a scientific reference to the reversal of chaos or entropy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBrisbane, AustraliaHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Acumenis is an independent Australian cyber security consultancy delivering senior-led testing, assurance, and advisory to organisations across Australia and internationally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCanberra, AustraliaHQ recorded Nov 6, 202651-2005 contacts →

Exact match

“The Pearson Corporation is a locally owned Canberra IT Consulting firm that has proven experience and a track record for delivering ICT and Cyber Security services to both the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPort Melbourne, AustraliaHQ recorded Nov 6, 202611-504 contacts →

Exact match

“eSecure was founded in 1993 and is a specialist provider of the full range of Information Security and Risk Management services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCanberra, AustraliaHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Most data breaches don't start with a hacker.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 19 of 106 IT auditing firms based in Australia

See the full list, filter by size, metro and specialty, and access 152 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT auditing firms based in Australia at a glance

As of Nov 6, 2026
35.3%Verified-email coverage
4.1Average contacts per company
1-10Median size (employees)
24.5%Largest-city concentration · Melbourne
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
72
11-50
29
51-200
3
201-500
1

Email recency for this list is measured worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 106 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Australia whose business descriptions match “IT auditing firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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
Every displayed company carries at least one verified work email. RevenueBase tracks 152 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

IT auditing firms by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “IT auditing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT auditing firms are there based in Australia?

RevenueBase identified 106 company matches for IT auditing firms associated with Australia as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

LNP Audit And Assurance tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most IT auditing firms?

Melbourne leads with 26 company records, followed by Sydney (21) and Brisbane (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 152 professional contacts with verified work emails tracked across these 106 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.