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Company lists · Data refreshed September 2026

Top 25 Professional services firms based in Sydney, Australia

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 319 companies tracked

RevenueBase identified 319 professional services firms headquartered in Sydney, Australia as of September 2026 and tracks 12,800 professional contacts across them, including 3,075 with verified work emails. Sydney is the largest hub.

This list covers professional services firms headquartered in Sydney, 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, how directly it supports the match, and when it was last checked. Data refreshed September 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review
319Companies
12,800Contacts tracked
3,075Verified emails
Unlock all 319 companies Free signup · no credit card · 500 free credits

The 25 largest professional services firms based in Sydney, Australia

Ranked by team size
Top 25 of 319 professional services firms based in Sydney, Australia, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names professional services firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
Kpmg AustraliaIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 20265,001-10,0009,024

“Welcome to KPMG.”

Source: company website · checked Sep 5, 2026
2
William BuckStrong evidence
Sydney, AustraliaHQ checked Sep 5, 20261,001-5,0001,088

“William Buck is a leading firm of Accountants and advisors with 150 partners and over 1,100 professional staff.”

Source: company website · checked Sep 5, 2026
3
AGEISIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 202611-50150

“AGEIS takes pride in revolutionising the landscape of accounting, tax, legal advisory.”

Source: company website · checked Sep 5, 2026
4
Nexia AustraliaIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 2026501-1,000131

“At Nexia Australia, our purpose is to connect you to your true potential by giving you the accounting insight, advice, and support you need to navigate to success.”

Source: company website · checked Sep 5, 2026
5
Bell PartnersIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 202651-200124

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

Source: company website · checked Sep 5, 2026
6
ESVIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 202651-20096

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

Source: company website · checked Sep 5, 2026
7
ByronsStrong evidence
Sydney, AustraliaHQ checked Sep 5, 202651-20085

“BYRONS are one of the largest independent advisory firms in Sydney with 18 Directors and over 80 professional staff.”

Source: company website · checked Sep 5, 2026
8
HPX GroupStrong evidence
Sydney, AustraliaHQ checked Sep 5, 2026201-50072

“HPX Group is the holding company of corporate and commercial law firm, Hamilton Locke, in-house style essential professional services firm, Source and privacy, data governance and…”

Source: company website · checked Sep 5, 2026
9
The Azure GroupIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 202611-5054

“Azure Group is an innovative and dynamic accounting and business advisory firm, based in Sydney, Australia and Shanghai, China.”

Source: company website · checked Sep 5, 2026
10
CAAAIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 202611-5052

“We specialise in private clients, business advisory, large SME’s and have a dedicated Asia-Pacific services division.”

Source: company website · checked Sep 5, 2026
11
Titan Partners PTY LTDIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 202611-5048

“Specialist accounting firm providing tax consulting, corporate finance, business advisory and compliance services.”

Source: company website · checked Sep 5, 2026
12
BFS PartnersStrong evidence
Sydney, AustraliaHQ checked Sep 5, 2026n/a41

“Experts in our field, ‘BFS Partners’ is a team of professionals including members of Institute of Chartered Accountants (ICAA), Tax Practitioners Board (TPB) and Australian…”

Source: company website · checked Sep 5, 2026
13
Craddock Murray Neumann LawyersIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 202611-5033

“CMN is committed to high standards of service and continued excellence in the practice of law.”

Source: company website · checked Sep 5, 2026
14
DFK Laurence VarnayIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 202611-5032

“At DFK Laurence Varnay, we believe there are no limits in business, just endless opportunities.”

Source: company website · checked Sep 5, 2026
15
Economos Chartered AccountantsIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 202651-20029

“Economos Chartered Accountants has been delivering a diverse range of business advisory and accounting services since 1978.”

Source: company website · checked Sep 5, 2026
16
MurchisonsIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 202611-5028

“We specialise in business advisory and accountancy.”

Source: company website · checked Sep 5, 2026
17
HK PartnersIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 202611-5027

“HK Partners is an independent, privately owned, progressive accounting, tax and advisory practice that helps shape a better future for businesses and families.”

Source: company website · checked Sep 5, 2026
18
Pacific Accounting PTY LTDIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 202611-5027

“At Pacific Accounting, we pride ourselves on being more than just accountants; we are partners in your business journey.”

Source: company website · checked Sep 5, 2026
19
Smart Wealth AdvisorsStrong evidence
Sydney, AustraliaHQ checked Sep 5, 202611-5027

“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: company website · checked Sep 5, 2026
20
Khourys & AssociatesIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 202611-5026

“Khourys & Associates was founded over 30 years ago, as a vision of Charles Khoury, with the desire to provide Accounting, Taxation and Business Advice and Services to the local…”

Source: company website · checked Sep 5, 2026
21
The Quinn GroupIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 202611-5026

“Looking for expert advice across multiple areas to achieve your business and personal goals?”

Source: company website · checked Sep 5, 2026
22
Shuriken ConsultingIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 202611-5024

“Shuriken is at the forefront of accountancy, providing clients with broad range of services, coaching and mentoring.”

Source: company website · checked Sep 5, 2026
23
VJCIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 20261-1024

“Hello my name is Adrian Chaudhary and I am a Fellow Chartered Accountant (FCA), Certified Financial Planners (CFP) and Justice of the Peace (JP).”

Source: company website · checked Sep 5, 2026
24
Vital AdditionIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 202611-5021

“Vital Addition (VA) was founded to address the failings of the traditional approach to accounting, outsourced CFO, and tax services, which left clients under-serviced and…”

Source: company website · checked Sep 5, 2026
25
XARYIndirect evidence
Sydney, AustraliaHQ checked Sep 5, 202611-5021

“At XARY, we help small and medium sized businesses grow by simplifying complexities, to scale with confidence.”

Source: company website · checked Sep 5, 2026

Showing 25 of 319 professional services firms based in Sydney, Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 3,075 reachable decision-makers.

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See all 319 companies

Professional services firms based in Sydney, Australia at a glance

As of Sep 5, 2026
1-10Median size (employees)
SydneyLargest hub · 319 HQs
Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
201
11-50
100
51-200
10
201-500
2
501-1,000
2
1,001-5,000
1
5,001-10,000
1

Email recency for this list is measured across the whole Australia list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Sydney, over 319 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 professional services firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Sydney, Australia whose own description of what they do matches “professional services firms”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among professional services firms, and records with no verified work email. Companies headquartered outside Sydney 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 an evidence 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, 3,075 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 5, 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.

Professional services firms by metro in Australia

Frequently asked

How many professional services firms are there based in Sydney, Australia?

RevenueBase identified 319 professional services firms headquartered in Sydney, 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?

Kpmg Australia, headquartered in Sydney, tops this list with the largest team on record.

Which city has the most professional services firms?

Sydney leads with 319 headquartered companies, followed by Melbourne (257) and Brisbane (109).

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 3,075 verified decision-maker contacts tracked across these 319 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 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 319 professional services firms based in Sydney, Australia. Start with a free account, no credit card.

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Related lists

Browse: Companies home · Professional services firms in Australia · All Australia lists · All Professional services firms lists · New 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.

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