Company lists · Data refreshed November 2026

Top 25 Internal audit advisory firms based in Australia

RevenueBase identified 219 company matches for internal audit advisory firms associated with Australia as of November 2026 and tracks 10,407 professional contacts across them, including 3,992 with verified work emails. Sydney is the largest hub.

This list covers company matches for internal audit advisory 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
219Companies
10,407Contacts tracked
3,992Verified emails
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The 25 largest internal audit advisory firms based in Australia

Ranked by team size
Top 25 of 219 company matches for internal audit advisory 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, 20261,001-5,0001,808 contacts →

Exact match

“Your business deserves remarkable support.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchDarwin, AustraliaHQ recorded Nov 6, 2026501-1,000623 contacts →

Exact match

“Moore Australia is a network of five independent accounting, audit and advisory firms with 13 offices and 600+ staff across Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSydney, AustraliaHQ recorded Nov 6, 2026501-1,000375 contacts →

Exact match

“Bentleys is a collaborative network of firms, which provides full-service business advisory, accountancy and audit solutions for individuals and organisations at every stage of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBrisbane, AustraliaHQ recorded Nov 6, 2026201-500310 contacts →

Exact match

“We are an accounting and advisory firm with a team of over 270 experts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHawthorn, AustraliaHQ recorded Nov 6, 202651-200252 contacts →

Exact match

“BG Private is an AFR Top 100 accounting, audit and advisory firm making us one of Melbourne and Sydney’s leading practices.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMelbourne, AustraliaHQ recorded Nov 6, 20265,001-10,000171 contacts →

Exact match

“Protiviti is a global business consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchForrest, AustraliaHQ recorded Nov 6, 202651-200124 contacts →

Exact match

“Callida Consulting are a Canberra-based consulting firm, dedicated to our people and the provision of professional services across a range of service offerings.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAdelaide, AustraliaHQ recorded Nov 6, 202651-200109 contacts →

Exact match

“Nexia Edwards Marshall is part of a leading global network with over 519 offices across more than 119 countries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBrisbane, AustraliaHQ recorded Nov 6, 202651-20085 contacts →

Exact match

“Pilot Partners is a Brisbane-based chartered accounting firm made up of a team of expert accountants and specialist business advisors who share a common philosophy - our clients…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSydney, AustraliaHQ recorded Nov 6, 202651-20084 contacts →

Exact match

“BYRONS are one of the largest independent advisory firms in Sydney with 18 Directors and over 80 professional staff.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSydney, AustraliaHQ recorded Nov 6, 2026201-50083 contacts →

Exact match

“PPB Advisory is a leading advisory firm that is focused on helping organisations navigate critical and complex issues, improve their performance and realise their strategic goals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202651-20076 contacts →

Exact match

“Unlocking Value Hall Chadwick is a results-driven accounting consultancy specialising in the mid-market sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Lombardi Partners is an accounting and advisory firm that delivers a broad range of services to our clients operating in a variety of industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBunbury, AustraliaHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“We are one of the largest accounting, audit and business services firm within Regional Western Australia, with offices in Bunbury, Margaret River, Mandurah, Geraldton, Donnybrook…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAlbury, AustraliaHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“Chartered Accountants & Business Advisors Johnsons MME is the largest locally owned business advisory and chartered accounting firm in the New South Wales Southern Riverina and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchHaymarket, AustraliaHQ recorded Nov 6, 202611-5049 contacts →

Exact match

“Your Trusted Audit and Assurance Specialist National Audits Group partners with accounting firms across Australia, offering independent audit and assurance services that enhance…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchJoondalup, AustraliaHQ recorded Nov 6, 202611-5047 contacts →

Exact match

“AMW (Audit) Pty Ltd trading as Anderson Munro & Wyllie (“AMW”) is a registered audit company (auditor number 314299) specialising in providing audit services to small and medium…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchManuka, AustraliaHQ recorded Nov 6, 202611-5047 contacts →

Exact match

“Charterpoint's areas of focus include accounting and audit, grants management, stakeholder engagement, costing and business process mapping among other services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAdelaide, AustraliaHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“Holman Hodge is a leading Adelaide-based professional service firm providing a wide range of accounting, business and advisory services designed to help our clients maximise their…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBrisbane, AustraliaHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“MGI South Queensland is a team of pro-active forward thinking accounting, auditing and business advisory professionals dedicated to ensuring that our clients have the best…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLaunceston, AustraliaHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“Accountants, Auditors and Advisors based in Launceston, Tasmania.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBendigo, AustraliaHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“RSD Audit is one of the largest specialist firms in Australia, providing audit and assurance services to a variety of clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“The team at Bajwa EnviroConsult offers a broad range of experience in the environmental sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchEastwood, AustraliaHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“MGI Adelaide is a medium sized firm providing a full range of accounting, taxation, audit, corporate and specialist advisory services to our substantial business clientele.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Your trusted partner in compliance, governance, quality assurance & risk management.”

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

Showing 25 of 219 internal audit advisory firms based in Australia

See the full list, filter by size, metro and specialty, and access 3,992 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Internal audit advisory firms based in Australia at a glance

As of Nov 6, 2026
38.4%Verified-email coverage
47.5Average contacts per company
1-10Median size (employees)
16.4%Largest-city concentration · Sydney
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
122
11-50
68
51-200
16
201-500
4
501-1,000
3
1,001-5,000
2
5,001-10,000
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 219 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 “internal audit advisory 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 3,992 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.

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

How many internal audit advisory firms are there based in Australia?

RevenueBase identified 219 company matches for internal audit advisory 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?

Grant Thornton Australia tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most internal audit advisory firms?

Sydney leads with 36 company records, followed by Melbourne (33) and Perth (13).

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 3,992 professional contacts with verified work emails tracked across these 219 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.