Company lists · Data refreshed September 2026

Top 21 IT audit consulting firms based in Australia

RevenueBase identified 73 company matches for IT audit consulting firms associated with Australia as of September 2026 and tracks 465 professional contacts across them, including 142 with verified work emails. Melbourne is the largest hub.

This list covers company matches for IT audit consulting 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 September 21, 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 Sep 21, 2026 How this list was built
73Companies
465Contacts tracked
142Verified emails
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The 21 largest IT audit consulting firms based in Australia

Ranked by team size
Top 21 of 73 company matches for IT audit consulting firms based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchMaroubra, AustraliaHQ recorded Sep 21, 20261-1027 contacts →

Exact match

“Streamline-Integrate-Create.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-5026 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchBarton, AustraliaHQ recorded Sep 21, 202651-20024 contacts →

Exact match

“CTO Group is now part of xAmplify.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchParramatta, AustraliaHQ recorded Sep 21, 202611-5021 contacts →

Exact match

“SDJA is a progressive and dynamic firm aimed at providing cost effective, reliable and value-based audit solutions to the not-for-profit industry and private sector.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchOrange, AustraliaHQ recorded Sep 21, 20261-1019 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 · Sep 21, 2026 · View company records in RevenueBase
6Exact matchSouth Brisbane, AustraliaHQ recorded Sep 21, 202611-5016 contacts →

Exact match

“We provide exceptional, modern, efficient audit and assurance services maximising the smart use of technology whilst maintaining a personal touch.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchMelbourne, AustraliaHQ recorded Sep 21, 202611-5015 contacts →

Exact match

“Connect National Audit is a firm of experienced audit professionals committed to providing exceptional service and innovative business solutions to all clients and business…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchMelbourne, AustraliaHQ recorded Sep 21, 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 · Sep 21, 2026 · View company records in RevenueBase
9Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“Watkins Coffey Martin Chartered Accountants was founded in”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchBrisbane, AustraliaHQ recorded Sep 21, 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 · Sep 21, 2026 · View company records in RevenueBase
11Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-506 contacts →

Exact match

“Capstone Asia Pacific is a Risk Consulting firm providing Risk and Internal Audit services to clients across Asia Pacific.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchPoint Cook, AustraliaHQ recorded Sep 21, 20261-106 contacts →

Exact match

“At Information Security Consultants, we offer comprehensive solutions and expertise to safeguard your digital assets, mitigate risks, and ensure your information's…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchFortitude Valley, AustraliaHQ recorded Sep 21, 202611-505 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-505 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchBrisbane, AustraliaHQ recorded Sep 21, 20261-102 contacts →

Exact match

“Technology Governance Services (TGS) TGS assists businesses to drive value from their investment in technology.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchSydney, AustraliaHQ recorded Sep 21, 20261-102 contacts →

Exact match

“XIGSAW IS SOLVING THE IT SECURITY PUZZLE Businesses buy on advise and desire the best outcome.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchMelbourne, AustraliaHQ recorded Sep 21, 20261-102 contacts →

Exact match

“Audit & taxation services CFO Advisory services Management advice and accounting Process optimisation Governance support services Risk and Security assessments Cloud systems…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchSydney Cbd, AustraliaHQ recorded Sep 21, 20261-102 contacts →

Exact match

“Atanasov Audit & Consulting is headed by the firm’s Principal, Robert Atanasov.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchMelbourne, AustraliaHQ recorded Sep 21, 20261-102 contacts →

Exact match

“AUSTRALIAN PUBLIC ACCOUNTANTS AUDIT SERVICES * An audit involves a detailed review of the law practice accounting systems and systems of control and also requires a detailed…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchRichmond, AustraliaHQ recorded Sep 21, 20261-102 contacts →

Exact match

“Pitt Group is a small consulting firm delivering big results.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchAdelaide, AustraliaHQ recorded Sep 21, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 21 of 73 IT audit consulting firms based in Australia

See the full list, filter by size, metro and specialty, and access 142 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT audit consulting firms based in Australia at a glance

As of Sep 21, 2026
30.5%Verified-email coverage
6.4Average contacts per company
1-10Median size (employees)
17.8%Largest-city concentration · Melbourne
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
50
11-50
19
51-200
3

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 73 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 audit consulting 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 142 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 September 21, 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.

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 audit consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT audit consulting firms are there based in Australia?

RevenueBase identified 73 company matches for IT audit consulting firms associated with Australia as of September 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?

Samec PTY LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most IT audit consulting firms?

Melbourne leads with 13 company records, followed by Sydney (13) and Brisbane (4).

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 142 professional contacts with verified work emails tracked across these 73 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 September 21, 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.