Company lists · Data refreshed September 2026
Top 24 International tax services based in Australia
RevenueBase identified 172 international tax services headquartered in Australia as of September 2026 and tracks 1,124 professional contacts across them, including 560 with verified work emails. Melbourne is the largest hub.
This list covers international tax services 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 20, 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.
The 24 largest international tax services based in Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 132 contacts → | ||||
Indirect evidence “We cut through complexity and deliver with clarity, precision and pace.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 71 contacts → | ||||
Indirect evidence “Since 1994, WMS has been helping businesses, families and individuals to succeed.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 58 contacts → | ||||
Indirect evidence “DFK Benjamin King Money has a long history, with its founding partner having established the practice in March 1960.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 32 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 31 contacts → | ||||
Partial evidence “A top tier tax, legal and digital firm that is locally rooted and globally connected.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 30 contacts → | ||||
Indirect evidence “Lead with Integrity Respect Always Own It Raise the Bar Enjoy the Journey Stronger Together - These core values are the foundation of everything we do.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 28 contacts → | ||||
Indirect evidence “Oakstone Advisory (formerly Dyson Advisory Group) was founded by former colleagues with broad commercial and public practice experience ranging from boutique to mid-tier firms to…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 27 contacts → | ||||
Partial evidence “Smart Wealth Advisors is a Sydney-based professional service firm with deep expertise in accounting tax and advisory, who provides adaptive, high-quality and client-focused…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 26 contacts → | ||||
Strong 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 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 19 contacts → | ||||
Indirect evidence “Locmans Advisors is a Melbourne CBD based accounting and advisory firm.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 18 contacts → | ||||
Indirect evidence “Consulting Accountants > Business Improvement > Taxation Specialists Helping businesses to solve complex problems and take advantage of opportunities.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 18 contacts → | ||||
Indirect evidence “Revolutionise your business with Infinity22.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 17 contacts → | ||||
Indirect evidence “Practical, Proactive and Cost Effective Advisors Transfer Pricing Solutions is a boutique transfer pricing firm who works directly with your team, applying our experience and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 13 contacts → | ||||
Indirect evidence “We are passionate about business.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 13 contacts → | ||||
Indirect evidence “AccountingHQ is an established Accounting firm based in Melbourne, Australia focused on helping you improve your business and financial wellbeing.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 13 contacts → | ||||
Partial evidence “Services range from general Accounting and Taxation to Specialized Services, which include: International Businesses or High worth individuals looking to expand and setup in…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 12 contacts → | ||||
Partial evidence “Established in 2001, FSA Partners is a professional services firm providing tax, audit and advisory services to some of Australia’s leading privately owned businesses, not for…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 12 contacts → | ||||
Strong evidence “King & Whittle is an based Accounting Management firm that provides effective tax advice, business solutions and wealth management services to domestic and international clients.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 12 contacts → | ||||
Indirect evidence “At Oliluca Accountants & Advisors, we can provide a broad range of Accounting, Taxation and Advisory Services to you, with 100% satisfaction & fast turnaround.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 10 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 10 contacts → | ||||
Strong evidence “We offer a broad range of tax advice including corporate tax, international transfer pricing, personal tax effectiveness and indirect taxation including, payroll tax, research and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 9 contacts → | ||||
Partial evidence “bdh Tax delivers tax and financial solutions in the UK and Australia for migrants moving to Australia from the UK, Australians returning home from overseas, Australians living in…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 9 contacts → | ||||
Indirect evidence “Bates Cosgrave is an experienced, dynamic firm with a proven track record.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 9 contacts → | ||||
Partial evidence “OmniTax Professionals is a recently established firm dedicated to providing quality tax services.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: international tax services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names international tax services.
- Partial evidence
- Its own public description names part of international tax services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name international tax services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 24 of 172 international tax services based in Australia
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International tax services based in Australia at a glance
As of Sep 20, 2026Companies by employee count
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 172 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 international tax services, 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 “international tax services”. 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 international tax services), 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 international tax services, 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, 560 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 20, 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 international tax services, 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 international tax services are there based in Australia?
RevenueBase identified 172 international tax services 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?
Modoras, headquartered in Upper Mount Gravatt, tops this list with the largest team on record.
Which city has the most international tax services?
Melbourne leads with 19 headquartered companies, followed by Sydney (18) and Brisbane (11).
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 560 verified decision-maker contacts tracked across these 172 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 20, 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.
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