Company lists · Data refreshed November 2026

Top 23 Tax preparation outsourcing services based in Australia

RevenueBase identified 218 company matches for tax preparation outsourcing services associated with Australia as of November 2026 and tracks 1,590 professional contacts across them, including 314 with verified work emails. Sydney is the largest hub.

This list covers company matches for tax preparation outsourcing services 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 5, 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 5, 2026 How this list was built
218Companies
1,590Contacts tracked
314Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 23 largest tax preparation outsourcing services based in Australia

Ranked by team size
Top 23 of 218 company matches for tax preparation outsourcing services based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchThornleigh, AustraliaHQ recorded Nov 5, 2026501-1,000463 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 · Nov 5, 2026 · View company records in RevenueBase
2Exact matchAdelaide, AustraliaHQ recorded Nov 5, 202611-5039 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 · Nov 5, 2026 · View company records in RevenueBase
3Exact matchBlair Athol, AustraliaHQ recorded Nov 5, 202651-20039 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202611-5024 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 · Nov 5, 2026 · View company records in RevenueBase
5Exact matchSydney, AustraliaHQ recorded Nov 5, 202611-5022 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 · Nov 5, 2026 · View company records in RevenueBase
6Exact matchBondi Junction, AustraliaHQ recorded Nov 5, 202611-5015 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchHermit Park, AustraliaHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“My Fortress Accounting work with individuals and businesses to provide a full range of accounting, taxation, compliance and business support services ensuring a tailored approach…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchNorwest, AustraliaHQ recorded Nov 5, 20261-1011 contacts →

Exact match

“OzLedger has evolved into a successful accounting and taxation practice with a varied mix of skills.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchBrisbane, AustraliaHQ recorded Nov 5, 202651-20010 contacts →

Exact match

“ITP Queensland are the specialists in tax returns for businesses and individuals.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchAroona, AustraliaHQ recorded Nov 5, 20261-109 contacts →

Exact match

“YOUtax spend their days supporting those who 'Don't Know' and Don't Want To Know' about tax.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchSouth Plympton, AustraliaHQ recorded Nov 5, 20261-109 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchClayton, AustraliaHQ recorded Nov 5, 20261-109 contacts →

Exact match

“Karis Tax accountants and registered tax agents provide an extensive range of tax and accounting services to individuals and small to medium businesses.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchBundoora, AustraliaHQ recorded Nov 5, 202611-508 contacts →

Exact match

“We provide a full suite of tax and management accounting services for small to medium-scale businesses.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchBella Vista, AustraliaHQ recorded Nov 5, 20261-108 contacts →

Exact match

“At XperTax, we understand that navigating the complexities of tax regulations and financial accounting can be overwhelming.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchPort Kembla, AustraliaHQ recorded Nov 5, 20261-107 contacts →

Exact match

“Ritchie Group Accounting Consulting and Taxation Whether you are an individual in need of having a tax return prepared, you own a business or are looking to start one, Ritchie…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchWoongarrah, AustraliaHQ recorded Nov 5, 20261-106 contacts →

Exact match

“When you’re looking for an accountant, it’s not just about finding someone who can crunch numbers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchShepparton, AustraliaHQ recorded Nov 5, 20261-106 contacts →

Exact match

“AHA Accounting + Business Solutions is an after hours accountant dedicated to providing great service and helping your business grow.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchSouth Yarra, AustraliaHQ recorded Nov 5, 202611-506 contacts →

Exact match

“Tax Affair Accountants is a company based out of 203 Commercial Rd, South Yarra, Australia.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchSydney, AustraliaHQ recorded Nov 5, 202611-505 contacts →

Exact match

“Accountee provides outsourced payroll solutions for businesses looking to lower costs and decrease risk through specialised compliance checks.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchArmadale, AustraliaHQ recorded Nov 5, 202611-505 contacts →

Exact match

“Top Accountants specialise in Tax Return, BAS and Bookkeeping services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchBoronia, AustraliaHQ recorded Nov 5, 20261-105 contacts →

Exact match

“ABOUT US: At Knox Taxation and Business Advisory we understand that many people and small businesses struggle to not only manage their tax, but to understand it.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchPerth, AustraliaHQ recorded Nov 5, 20261-105 contacts →

Exact match

“Working with individuals from different professional backgrounds and industries.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchAuburn, AustraliaHQ recorded Nov 5, 20261-105 contacts →

Exact match

“The preparation of Income Tax and completion of Income statements are important parts of smooth operation in any business and we Ibex Tax Accountants take pride in providing the…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 23 of 218 tax preparation outsourcing services based in Australia

See the full list, filter by size, metro and specialty, and access 314 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Tax preparation outsourcing services based in Australia at a glance

As of Nov 5, 2026
19.7%Verified-email coverage
7.3Average contacts per company
1-10Median size (employees)
7.8%Largest-city concentration · Sydney
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
167
11-50
26
51-200
6
201-500
1
501-1,000
2
1,001-5,000
2

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 218 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 preparation outsourcing services” 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 314 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 5, 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 preparation outsourcing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax preparation outsourcing services are there based in Australia?

RevenueBase identified 218 company matches for tax preparation outsourcing services 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?

H&r Block Australia tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most tax preparation outsourcing services?

Sydney leads with 17 company records, followed by Melbourne (12) and Brisbane (9).

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 314 professional contacts with verified work emails tracked across these 218 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 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 218 tax preparation outsourcing services based in Australia. Start with a free account, no credit card.

Download this list →

Related lists

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.