Company lists · Data refreshed September 2026

Top 25 Outsource accounting firms based in Australia

RevenueBase identified 1,198 company matches for outsource accounting firms associated with Australia as of September 2026 and tracks 8,891 professional contacts across them, including 1,805 with verified work emails. Melbourne is the largest hub.

This list covers company matches for outsource accounting 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
1,198Companies
8,891Contacts tracked
1,805Verified emails
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The 25 largest outsource accounting firms based in Australia

Ranked by team size
Top 25 of 1,198 company matches for outsource accounting 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 matchSouthport, AustraliaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
2Exact matchNorth Sydney, AustraliaHQ recorded Sep 21, 202651-200161 contacts →

Exact match

“Aretex exists to help businesses grow and scale, while their processes scale with them.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchAustraliaHQ recorded Sep 21, 2026n/a91 contacts →

Exact match

“Bookkeeping services with over 40+ years of combined experience, we've owned and worked with hundreds of businesses just like yours.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchWentworthville, AustraliaHQ recorded Sep 21, 202611-5076 contacts →

Exact match

“OrangeIQ is a one stop solution to all your accounting and back-office needs.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchBrisbane, AustraliaHQ recorded Sep 21, 202651-20063 contacts →

Exact match

“Brisca is your trusted partner in outsourced finance and accounting solutions, empowering businesses and accounting firms worldwide to focus on growth and strategy rather than…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-5053 contacts →

Exact match

“We provide a complete bookkeeping and accounting service that can grow with your business – from day to day bookkeeping through to a complete accounts department with CFO services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchNorth Sydney, AustraliaHQ recorded Sep 21, 202651-20052 contacts →

Exact match

“Dexterous provides a modern and highly effective alternative to building and running your own finance department.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchSurry Hills, AustraliaHQ recorded Sep 21, 202651-20046 contacts →

Exact match

“AFGS is an independent outsourcing company with Australian roots and operation centres in the Philippines and India.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchBrisbane, AustraliaHQ recorded Sep 21, 202651-20043 contacts →

Exact match

“At Venus, we get what Accounting and CPA Firms need and we help them save time and resources.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchParramatta, AustraliaHQ recorded Sep 21, 202611-5038 contacts →

Exact match

“Fourfold Global Business Services offers a range of Accounting, Bookkeeping, BAS Preparation, SMSF Compliance, Payroll & Taxation Process outsourcing services in Australia.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchBroadmeadows, AustraliaHQ recorded Sep 21, 202611-5036 contacts →

Exact match

“Welcome to Taxoz Accountants, your premier outsourcing provider for accounting firms seeking technical excellence and reliability.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchAdelaide, AustraliaHQ recorded Sep 21, 202611-5031 contacts →

Exact match

“Lucent Advisory delivers a fully managed, outsourced business support function – spanning bookkeeping, accounting, tax, payroll, HR, and CFO and business advisory – operating as…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchBella Vista, AustraliaHQ recorded Sep 21, 202611-5029 contacts →

Exact match

“Collab Accounting is a Sydney based accounting and advisory firm helping Australian businesses simplify compliance, improve profitability, and achieve sustainable growth through…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchBraddon, AustraliaHQ recorded Sep 21, 202611-5029 contacts →

Exact match

“Headquartered in Canberra, Tailored Accounts is an award-winning management accounting and business intelligence company.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchMelbourne, AustraliaHQ recorded Sep 21, 202611-5026 contacts →

Exact match

“Slate Accounts is an outsourced finance team for growing Australian businesses, managing everything from daily bookkeeping to strategic CFO guidance, at 20–40% less than hiring…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchSydney, AustraliaHQ recorded Sep 21, 202651-20025 contacts →

Exact match

“We offer single-window services to Australian accounting and bookkeeping practices and provide perfect Account & Tax Outsourcing Solutions which includes a varied and diverse…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchBirtinya, AustraliaHQ recorded Sep 21, 202611-5023 contacts →

Exact match

“ABA.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchScoresby, AustraliaHQ recorded Sep 21, 202611-5023 contacts →

Exact match

“Boutique accounts offers consultation, training and bookkeeping that will ensure that you get the most out of your Accounting product.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchMelbourne, AustraliaHQ recorded Sep 21, 202611-5022 contacts →

Exact match

“Supporting Accountants And Bookkeepers”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchAustraliaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
21Exact matchMelbourne, AustraliaHQ recorded Sep 21, 202611-5020 contacts →

Exact match

“Books365 gives you simple and accessible bookkeeping at only $5 per day.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchPerth, AustraliaHQ recorded Sep 21, 20261-1020 contacts →

Exact match

“Alderton and Co originally commenced operations in 2008 as a sole trader providing bookkeeping services to small to medium business.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchGlen Iris, AustraliaHQ recorded Sep 21, 202611-5018 contacts →

Exact match

“Square Penny’s proficient team of Virtual CFOs and bookkeepers is largely comprised of a mixture of CPAs, Chartered Accountants and Bookkeepers.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchManly Vale, AustraliaHQ recorded Sep 21, 20261-1018 contacts →

Exact match

“PBS Accountants Manly Vale are experts in assisting clients to legally minimise their tax, assisting them with their business growth and managing their accounting and bookkeeping.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchBrisbane, AustraliaHQ recorded Sep 21, 202611-5018 contacts →

Exact match

“Austral Accountants is an awarding-winning accounting practice in Brisbane, Queensland that offers a range of accounting services such as book-keeping, traditional tax, audit, and…”

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

Showing 25 of 1,198 outsource accounting firms based in Australia

See the full list, filter by size, metro and specialty, and access 1,805 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Outsource accounting firms based in Australia at a glance

As of Sep 21, 2026
20.3%Verified-email coverage
7.4Average contacts per company
1-10Median size (employees)
8.8%Largest-city concentration · Melbourne
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
981
11-50
181
51-200
24
201-500
2
1,001-5,000
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 1,198 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 “outsource accounting 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 1,805 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 “outsource accounting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many outsource accounting firms are there based in Australia?

RevenueBase identified 1,198 company matches for outsource accounting 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?

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

Which city has the most outsource accounting firms?

Melbourne leads with 106 company records, followed by Sydney (97) and Brisbane (48).

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 1,805 professional contacts with verified work emails tracked across these 1,198 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.