Company lists · Data refreshed September 2026

Top 23 Tax accounting outsourcing companies based in Australia

RevenueBase identified 566 company matches for tax accounting outsourcing companies associated with Australia as of September 2026 and tracks 6,726 professional contacts across them, including 1,134 with verified work emails. Sydney is the largest hub.

This list covers company matches for tax accounting 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 29, 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 29, 2026 How this list was built
566Companies
6,726Contacts tracked
1,134Verified emails
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The 23 largest tax accounting outsourcing companies based in Australia

Ranked by team size
Top 23 of 566 company matches for tax accounting outsourcing companies based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 29, 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 29, 2026 · View company records in RevenueBase
2Exact matchThornleigh, AustraliaHQ recorded Sep 29, 2026501-1,000412 contacts →

Exact match

“As Australia’s largest preparer of personal income tax returns, with over 400 offices across Australia, expert help is never far away.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchOsborne Park, AustraliaHQ recorded Sep 29, 202651-20083 contacts →

Exact match

“Armada Accountants & Advisors brings together a dedicated team of specialists, each an expert in their own discipline and all working together toward your financial goals.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchBalgowlah, AustraliaHQ recorded Sep 29, 202611-5032 contacts →

Exact match

“Eagle Financial Business Accountants offers a suite of professional financial services which help you with every aspect of running a business, from strategic planning and tax…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchBlair Athol, AustraliaHQ recorded Sep 29, 202611-5031 contacts →

Exact match

“The Kalculators was born to offer expert accounting services in Adelaide at reasonable prices.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchMount Waverley, AustraliaHQ recorded Sep 29, 202651-20028 contacts →

Exact match

“Factor1 are specialist accountants and advisers focused on privately owned business.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchSydney, AustraliaHQ recorded Sep 29, 202611-5026 contacts →

Exact match

“At BTG International, we redefine excellence in business tax services with award-winning, innovative solutions tailored to your business needs.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchSydney, AustraliaHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
9Exact matchMelbourne, AustraliaHQ recorded Sep 29, 20261-1025 contacts →

Exact match

“Accounting House is a firm of Accountants able to offer a comprehensive professional service to our clients which embraces all facets of business and financial services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchSydney, AustraliaHQ recorded Sep 29, 202611-5022 contacts →

Exact match

“Latitude Accountants offers a full range of accounting and tax services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchMelbourne, AustraliaHQ recorded Sep 29, 202611-5022 contacts →

Exact match

“Supporting Accountants And Bookkeepers”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchFortitude Valley, AustraliaHQ recorded Sep 29, 202611-5021 contacts →

Exact match

“Hall Browns Accountants team provides specialist advice on a range of accounting services, from tax and compliance to complex analysis and strategic planning.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchMelbourne, AustraliaHQ recorded Sep 29, 202611-5021 contacts →

Exact match

“Integrated Accountants offers quality and up-to-date tax and accounting services to individuals and companies across Australia.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchNoble Park, AustraliaHQ recorded Sep 29, 20261-1019 contacts →

Exact match

“MSS TAX SERVICE is an accounting company based out of 22 a Douglas St, Noble Park, Australia.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchBrisbane, AustraliaHQ recorded Sep 29, 202611-5018 contacts →

Exact match

“Consulting Accountants > Business Improvement > Taxation Specialists Helping businesses to solve complex problems and take advantage of opportunities.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchBunbury, AustraliaHQ recorded Sep 29, 202611-5016 contacts →

Exact match

“We take the confusion out of tax, so you can relax and focus on the fun stuff.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchBondi Junction, AustraliaHQ recorded Sep 29, 202611-5016 contacts →

Exact match

“BTMH is a boutique tax & accounting practice with a strong focus on taxation management.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchZetland, AustraliaHQ recorded Sep 29, 202611-5015 contacts →

Exact match

“As Australia’s original accounting firm for small business, M.A.S Partners (formerly m.a.s accountants) has been providing accounting and advisory services to Sydney, Melbourne…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchCremorne, AustraliaHQ recorded Sep 29, 202651-20015 contacts →

Exact match

“At Swivel Finance, we leverage Sri Lanka's abundant talent pool of Chartered Accountants, offering a proven, cost-effective model tailored to enhance businesses' finance functions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchMurrumbeena, AustraliaHQ recorded Sep 29, 202611-5013 contacts →

Exact match

“TWB Chartered Accountants was founded in 1968 and has traded continuously in the Chadstone area of Melbourne.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchSydney, AustraliaHQ recorded Sep 29, 202611-5013 contacts →

Exact match

“Services range from general Accounting and Taxation to Specialized Services, which include: International Businesses or High worth individuals looking to expand and setup in…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchMalvern, AustraliaHQ recorded Sep 29, 20261-1012 contacts →

Exact match

“At Oliluca Accountants & Advisors, we can provide a broad range of Accounting, Taxation and Advisory Services to you, with 100% satisfaction & fast turnaround.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchCampbelltown, AustraliaHQ recorded Sep 29, 20261-1012 contacts →

Exact match

“KPA Accountants We believe expert financial and taxation assistance should be available to any individual or business.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 23 of 566 tax accounting outsourcing companies based in Australia

See the full list, filter by size, metro and specialty, and access 1,134 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax accounting outsourcing companies based in Australia at a glance

As of Sep 29, 2026
16.9%Verified-email coverage
11.9Average contacts per company
1-10Median size (employees)
9.2%Largest-city concentration · Sydney
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
462
11-50
78
51-200
13
201-500
2
501-1,000
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 566 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 “tax accounting 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 1,134 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 29, 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 “tax accounting outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 566 company matches for tax accounting 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 tax accounting outsourcing companies?

Sydney leads with 52 company records, followed by Melbourne (34) and Brisbane (18).

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 1,134 professional contacts with verified work emails tracked across these 566 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 29, 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.