Company lists · Data refreshed September 2026

Top 25 Accounting and outsourcing companies based in Australia

RevenueBase identified 2,856 company matches for accounting and outsourcing companies associated with Australia as of September 2026 and tracks 22,916 professional contacts across them, including 7,205 with verified work emails and 1,084 with mobile numbers. Sydney is the largest hub.

This list covers company matches for accounting and 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 22, 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 22, 2026 How this list was built
2,856Companies
22,916Contacts tracked
7,205Verified emails
1,084Mobile numbers
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The 25 largest accounting and outsourcing companies based in Australia

Ranked by team size
Top 25 of 2,856 company matches for accounting and outsourcing companies based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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 22, 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 22, 2026 · View company records in RevenueBase
2Exact matchSydney, AustraliaHQ recorded Sep 22, 20261,001-5,0001,626 contacts →

Exact match

“Your business deserves remarkable support.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchMelbourne, AustraliaHQ recorded Sep 22, 2026501-1,000592 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 · Sep 22, 2026 · View company records in RevenueBase
4Exact matchMelbourne, AustraliaHQ recorded Sep 22, 2026501-1,000404 contacts →

Exact match

“We are OBP.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchSydney, AustraliaHQ recorded Sep 22, 2026501-1,000349 contacts →

Exact match

“hammerjack is an Australian and Philippine-owned offshore outsourcing and Knowledge Process Outsourcing (KPO) provider.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchThe Rocks, AustraliaHQ recorded Sep 22, 2026201-500304 contacts →

Exact match

“DBA is a premium professional services outsourcing company based in Australia and the Philippines.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchBrisbane, AustraliaHQ recorded Sep 22, 2026201-500276 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchWheelers Hill, AustraliaHQ recorded Sep 22, 202651-200196 contacts →

Exact match

“Looking for a reliable outsourcing partner that can help your business grow?”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchNorth Sydney, AustraliaHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
10Exact matchSydney, AustraliaHQ recorded Sep 22, 202651-200134 contacts →

Exact match

“Solutions Centric is a privately owned offshoring provider for accounting firms and financial advisors in Australia.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchSydney, AustraliaHQ recorded Sep 22, 202651-200125 contacts →

Exact match

“Proowrx is an Australian-owned outsourcing partner trusted by mortgage brokers and accountants across Australia.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchSydney, AustraliaHQ recorded Sep 22, 202651-200124 contacts →

Exact match

“Winner of BRW’s Most Productive Accounting Firm seven years running (2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 and again 2011).”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchMelbourne, AustraliaHQ recorded Sep 22, 202651-200100 contacts →

Exact match

“Efficient Services Enhanced by AI Remoat Teams provides dedicated transcription, accounting, and finance services augmented by artificial intelligence for accuracy and speed.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchIndooroopilly, AustraliaHQ recorded Sep 22, 202611-5099 contacts →

Exact match

“Xact Accounting is a full-service accounting firm dedicated to helping small business and SME owners grow their profit not just revenue.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchSydney, AustraliaHQ recorded Sep 22, 202651-20096 contacts →

Exact match

“ESV is a leading mid-tier Australian business advisory and accountancy firm.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchAustraliaHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
17Exact matchMelbourne, AustraliaHQ recorded Sep 22, 202651-20086 contacts →

Exact match

“Atlas Outsourcing offers a better way of doing administration to help businesses reduce costs, optimise resources, and save valuable time.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchBrisbane, AustraliaHQ recorded Sep 22, 202651-20083 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 · Sep 22, 2026 · View company records in RevenueBase
19Exact matchChatswood, AustraliaHQ recorded Sep 22, 202651-20080 contacts →

Exact match

“StewartBrown is a chartered accountancy firm established in 1939, with our main office located in Chatswood NSW.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchCranbourne, AustraliaHQ recorded Sep 22, 202651-20079 contacts →

Exact match

“At Highview, we’re more than Accountants, we’re your dedicated financial advisory team.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchSydney, AustraliaHQ recorded Sep 22, 202651-20077 contacts →

Exact match

“During our 70 years we have established a worldwide reputation for our quality approach to all our client matters.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchWentworthville, AustraliaHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
23Exact matchParramatta, AustraliaHQ recorded Sep 22, 2026201-50071 contacts →

Exact match

“When we took on the mission to help drive the success of the Australian Financial Services industry, we knew it would take something special.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchMelbourne, AustraliaHQ recorded Sep 22, 202651-20066 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 · Sep 22, 2026 · View company records in RevenueBase
25Exact matchSt. Kilda, AustraliaHQ recorded Sep 22, 2026201-50065 contacts →

Exact match

“Founded on the idea of revolutionizing business operations with the best possible outsourcing systems for an inexpensive rate, Onehalf allows big businesses and even small…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 2,856 accounting and outsourcing companies based in Australia

See the full list, filter by size, metro and specialty, and access 7,205 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Accounting and outsourcing companies based in Australia at a glance

As of Sep 22, 2026
31.4%Verified-email coverage
4.7%Mobile-number coverage
8.0Average contacts per company
1-10Median size (employees)
8.4%Largest-city concentration · Sydney
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
2,117
11-50
613
51-200
84
201-500
16
501-1,000
3
1,001-5,000
4

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 24.0d

Company record updated

Median 87.0d

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 “accounting and 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 7,205 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 22, 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 “accounting and outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting and outsourcing companies are there based in Australia?

RevenueBase identified 2,856 company matches for accounting and 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 accounting and outsourcing companies?

Sydney leads with 239 company records, followed by Melbourne (224) and Brisbane (100).

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 7,205 professional contacts with verified work emails tracked across these 2,856 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 22, 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.