Company lists · Data refreshed September 2026

Top 22 Audit and assurance outsourcing companies based in Australia

RevenueBase identified 66 company matches for audit and assurance outsourcing companies associated with Australia as of September 2026 and tracks 4,473 professional contacts across them, including 564 with verified work emails. Sydney is the largest hub.

This list covers company matches for audit and assurance outsourcing companies 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 27, 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 27, 2026 How this list was built
66Companies
4,473Contacts tracked
564Verified emails
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The 22 largest audit and assurance outsourcing companies based in Australia

Ranked by team size
Top 22 of 66 company matches for audit and assurance outsourcing companies based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchSouthport, AustraliaHQ recorded Sep 27, 20261,001-5,0003,912 contacts →

Exact match

“Don’t wait until understaffing eats away at your productivity and client satisfaction.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchHaymarket, AustraliaHQ recorded Sep 27, 202611-5051 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 · Sep 27, 2026 · View company records in RevenueBase
3Exact matchJoondalup, AustraliaHQ recorded Sep 27, 202611-5042 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 · Sep 27, 2026 · View company records in RevenueBase
4Exact matchManuka, AustraliaHQ recorded Sep 27, 202611-5040 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 · Sep 27, 2026 · View company records in RevenueBase
5Exact matchBendigo, AustraliaHQ recorded Sep 27, 202611-5031 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 · Sep 27, 2026 · View company records in RevenueBase
6Exact matchLaunceston, AustraliaHQ recorded Sep 27, 202611-5031 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchSydney, AustraliaHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
8Exact matchParramatta, AustraliaHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
9Exact matchAustraliaHQ recorded Sep 27, 202611-5021 contacts →

Exact match

“Aventis is an initiative of a set of enthusiastic individuals who has extensive experience in outsourcing and accounting work.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchOrange, AustraliaHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
11Exact matchSouth Brisbane, AustraliaHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
12Exact matchNarre Warren, AustraliaHQ recorded Sep 27, 20261-1011 contacts →

Exact match

“Ryecrofts is a CPA and registered company auditor firm that is established in the eastern suburbs of Melbourne.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchMelbourne, AustraliaHQ recorded Sep 27, 202611-5010 contacts →

Exact match

“The accounting business has grown from simply computation through core accounting, to serving the business to come through their goals via effective financial structure…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchDarra, AustraliaHQ recorded Sep 27, 20261-109 contacts →

Exact match

“KBP Audit Services are Business Audit Specialists CPA – SMSF Registered Auditors – Registered Company Auditors.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchMelbourne, AustraliaHQ recorded Sep 27, 202611-509 contacts →

Exact match

“LDAssurance is a chartered accounting firm located in Collins Street Melbourne, providing audit and related assurance services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchBrisbane City, AustraliaHQ recorded Sep 27, 20261-109 contacts →

Exact match

“Fast growing audit firm based in Brisbane, Queensland with coverage across Australia.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchFortitude Valley, AustraliaHQ recorded Sep 27, 202611-505 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchMelbourne, AustraliaHQ recorded Sep 27, 20261-105 contacts →

Exact match

“A.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchEltham, AustraliaHQ recorded Sep 27, 20261-104 contacts →

Exact match

“Our audit services are designed to ensure compliance with relevant reporting standards and also provide you with important financial insights into your business, club or…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchParramatta, AustraliaHQ recorded Sep 27, 202651-2002 contacts →

Exact match

“As an Australian-based accounting outsourcing firm with senior management personnel who are members of the CA ANZ, we have a deep understanding of the local business and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchMawson, AustraliaHQ recorded Sep 27, 20261-102 contacts →

Exact match

“So - you need a specialist Auditor - someone with personality, flair and an out going personality.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchSydney Cbd, AustraliaHQ recorded Sep 27, 20261-102 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 22 of 66 audit and assurance outsourcing companies based in Australia

See the full list, filter by size, metro and specialty, and access 564 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Audit and assurance outsourcing companies based in Australia at a glance

As of Sep 27, 2026
12.6%Verified-email coverage
67.8Average contacts per company
1-10Median size (employees)
9.1%Largest-city concentration · Sydney
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
38
11-50
25
51-200
1
1,001-5,000
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 66 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 “audit and assurance outsourcing companies” 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 564 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 27, 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 “audit and assurance outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many audit and assurance outsourcing companies are there based in Australia?

RevenueBase identified 66 company matches for audit and assurance outsourcing companies 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?

TOA Global tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most audit and assurance outsourcing companies?

Sydney leads with 6 company records, followed by Melbourne (5) and Brisbane (3).

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 564 professional contacts with verified work emails tracked across these 66 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 27, 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.