Company lists · Data refreshed September 2026

Top 17 Tax dispute resolution firms based in Australia

RevenueBase identified 32 tax dispute resolution firms headquartered in Australia as of September 2026 and tracks 132 professional contacts across them, including 81 with verified work emails. Melbourne is the largest hub.

This list covers tax dispute resolution firms headquartered in Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 22, 2026 86% judged on-target in blind review
32Companies
132Contacts tracked
81Verified emails
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The 17 largest tax dispute resolution firms based in Australia

Ranked by team size
Top 17 of 32 tax dispute resolution firms based in Australia, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to tax dispute resolution firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceSydney, AustraliaHQ checked Sep 22, 202611-5026 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
2Strong evidenceMelbourne, AustraliaHQ checked Sep 22, 202611-5024 contacts →

Strong evidence

“Aptum is a specialist commercial and tax dispute resolution and litigation firm.”

Source: RevenueBase Database · checked Sep 22, 2026
3Partial evidenceBrisbane City, AustraliaHQ checked Sep 22, 20261-1017 contacts →

Partial evidence

“West Garbutt was established with a view to providing high quality, responsive and trusted tax advice to clients, including other lawyers and accountants in need of specialist…”

Source: RevenueBase Database · checked Sep 22, 2026
4Partial evidenceAdelaide, AustraliaHQ checked Sep 22, 20261-1011 contacts →

Partial evidence

“We specialise in tax law and in the commercial law that relates to tax and businesses.”

Source: RevenueBase Database · checked Sep 22, 2026
5Partial evidenceMelbourne, AustraliaHQ checked Sep 22, 20261-107 contacts →

Partial evidence

“Webb Martin Consulting provides expert tax advisory services to accountants, tax practitioners, corporate clients, government departments and not-for profit organisations.”

Source: RevenueBase Database · checked Sep 22, 2026
6Partial evidenceDocklands, AustraliaHQ checked Sep 22, 20261-104 contacts →

Partial evidence

“At Nectar Group (A), our mission is to simplify the tax process for our clients.”

Source: RevenueBase Database · checked Sep 22, 2026
7Partial evidencePerth, AustraliaHQ checked Sep 22, 20261-104 contacts →

Partial evidence

“Teca Accounting - Your Trusted Partner for Tax Solutions 🧾 At Teca Accounting, we specialise in providing comprehensive tax accounting services tailored to meet the unique needs…”

Source: RevenueBase Database · checked Sep 22, 2026
8Partial evidenceSydney, AustraliaHQ checked Sep 22, 20261-103 contacts →

Partial evidence

“Our Business Model is unique, as we have a core team of experienced tax specialists, with direct access to a hand-picked network of retired senior practitioners who are willing to…”

Source: RevenueBase Database · checked Sep 22, 2026
9Partial evidenceKew East, AustraliaHQ checked Sep 22, 20261-102 contacts →

Partial evidence

“At Oak Accountants we provide high quality tailored tax and accounting solutions for individuals, corporations and small businesses.”

Source: RevenueBase Database · checked Sep 22, 2026
10Indirect evidenceSouthport, AustraliaHQ checked Sep 22, 20261-101 contacts →

Indirect evidence

“DuxRoe is a boutique law practice on the Gold Coast.”

Source: RevenueBase Database · checked Sep 22, 2026
11Partial evidenceDarlinghurst, AustraliaHQ checked Sep 22, 20261-101 contacts →

Partial evidence

“Portoria combines the technical strength and service delivery of a large tax advisory firm with the wisdom and commercial experience of an in-house tax director.”

Source: RevenueBase Database · checked Sep 22, 2026
12Partial evidenceSydney, AustraliaHQ checked Sep 22, 20261-101 contacts →

Partial evidence

“We have a full background in accounting, a full understanding of tax law and importantly we are a compassionate team who understand the ups and downs of tax debt and that behind…”

Source: RevenueBase Database · checked Sep 22, 2026
13Partial evidencePerth, AustraliaHQ checked Sep 22, 20261-101 contacts →

Partial evidence

“TXM Chartered Accountants is a specialist tax and business advisory services firm based in Perth.”

Source: RevenueBase Database · checked Sep 22, 2026
14Partial evidenceMelbourne, AustraliaHQ checked Sep 22, 20261-101 contacts →

Partial evidence

“We provide end to end Accounting and Tax solutions for all entities.”

Source: RevenueBase Database · checked Sep 22, 2026
15Indirect evidenceBaulkham Hills, AustraliaHQ checked Sep 22, 20261-101 contacts →

Indirect evidence

“We provide quality service gained from a thorough understanding of industry specific challenges and by providing practical advice that is tailor made to our clients' specific…”

Source: RevenueBase Database · checked Sep 22, 2026
16Partial evidenceBrisbane, AustraliaHQ checked Sep 22, 20261-101 contacts →

Partial evidence

“Our goal is to make tax simple.”

Source: RevenueBase Database · checked Sep 22, 2026
17Partial evidenceMelbourne, AustraliaHQ checked Sep 22, 20261-101 contacts →

Partial evidence

“TaxResolve is the tax consulting firm of Ashley King.”

Source: RevenueBase Database · checked Sep 22, 2026

Showing 17 of 32 tax dispute resolution firms based in Australia

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Tax dispute resolution firms based in Australia at a glance

As of Sep 22, 2026
61.4%Verified-email coverage
4.1Average contacts per company
1-10Median size (employees)
25.0%Largest-city concentration · Melbourne
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
29
11-50
2
51-200
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 32 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among tax dispute resolution firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Australia whose own description of what they do matches “tax dispute resolution firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names tax dispute resolution firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among tax dispute resolution firms, and records with no verified work email. Companies headquartered outside Australia are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 81 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names tax dispute resolution firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many tax dispute resolution firms are there based in Australia?

RevenueBase identified 32 tax dispute resolution firms headquartered in Australia as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

BTG International, headquartered in Sydney, tops this list with the largest team on record.

Which city has the most tax dispute resolution firms?

Melbourne leads with 8 headquartered companies, followed by Sydney (6) and Brisbane (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 81 verified decision-maker contacts tracked across these 32 companies.

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 Smart Search, 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.