Company lists · Data verified August 2026

Top 25 Accounting outsourcing firms based in Sydney, Australia

Name: Accounting outsourcing firms based in Sydney, Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 112 companies tracked

There are 112 accounting outsourcing firms headquartered in Sydney, Australia (RevenueBase, August 2026). RevenueBase tracks 1,000 professional contacts across them, including 344 with verified work emails and 32 with mobile numbers. Melbourne is the largest hub.

This list covers accounting outsourcing firms headquartered in Sydney, Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

112Companies

1,000Contacts tracked

344Verified emails

32Mobile numbers

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The 25 largest accounting outsourcing firms based in Sydney, Australia

Ranked by team size

Top 25 of 112 accounting outsourcing firms based in Sydney, Australia, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Hammerjack	Sydney	501-1,000	356	167
2	Solutions Centric	Sydney	51-200	133	19
3	MY Accounts AU	Sydney	11-50	52	31
4	The Outsourced Expert	Sydney	11-50	30	8
5	Optimisers KPO Private Limited	Sydney	51-200	24	19
6	PAY Australia PTY LTD	Sydney	11-50	16	7
7	CFO Plus	Sydney	11-50	15	9
8	North Advisory	Sydney	11-50	13	9
9	Jennings Partners	Sydney	11-50	11	9
10	NCS Australia	Sydney	51-200	9	1
11	3pf PTY LTD	Sydney	11-50	8	6
12	LCL Accounting	Sydney	1-10	6	4
13	EXDIA	Sydney	1-10	6	4
14	Take Care Of Books	Sydney	1-10	5	4
15	Lower Russell & Farr	Sydney	11-50	5	3
16	Accounting For Your Future	Sydney	1-10	5	3
17	The Commerce Connection	Sydney	1-10	4	3
18	Lancero & CO	Sydney	11-50	4	2
19	Pratt Partners TAX & Advisory	Sydney	11-50	3	3
20	Netsurplus Chartered Accountants	Sydney	1-10	3	2
21	Olivetree Consultants	Sydney	11-50	3	1
22	Your Accounts Department	Sydney	1-10	3	1
23	Argo Accounting, Taxes & Outsourcing Solutions	Sydney	1-10	3	1
24	Helium Accounting	Sydney	1-10	3	1
25	Accountshq	Sydney	1-10	2	2

Showing 25 of 112 accounting outsourcing firms based in Sydney, Australia

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Accounting outsourcing firms based in Sydney, Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

MelbourneLargest hub · 116 HQs

32Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Accounting outsourcing firms by metro in Australia

Metro	Companies
Accounting outsourcing firms in Melbourne	116
Accounting outsourcing firms in Sydney	112
Accounting outsourcing firms in Brisbane	40
Accounting outsourcing firms in Perth	40
Accounting outsourcing firms in Adelaide	20
Accounting outsourcing firms in Gold Coast	14
Accounting outsourcing firms in Newcastle	7

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “accounting outsourcing firms”, with match quality audited by blind human judging, and headquartered in Sydney, Australia.
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: Contact records re-verify on a rolling cadence; 2 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many accounting outsourcing firms are there based in Sydney, Australia?

There are 112 accounting outsourcing firms headquartered in Sydney, Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most accounting outsourcing firms?

Melbourne leads with 116 headquartered companies, followed by Sydney (112) and Brisbane (40).

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 344 verified decision-maker contacts tracked across these 112 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.