Company lists · Data verified August 2026

Top 25 Accounting outsourcing firms based in Australia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,219 companies tracked

There are 1,219 accounting outsourcing firms headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 9,964 professional contacts across them, including 2,147 with verified work emails and 424 with mobile numbers. Melbourne is the largest hub.

This list covers accounting outsourcing firms headquartered in 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.

1,219Companies

9,964Contacts tracked

2,147Verified emails

424Mobile numbers

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The 25 largest accounting outsourcing firms based in Australia

Ranked by team size

Top 25 of 1,219 accounting outsourcing firms based in 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	TOA Global	Southport	1,001-5,000	3,896	305
2	Accsource	Pymble	201-500	572	1
3	Hammerjack	Sydney	501-1,000	356	167
4	24x7 Direct	Wheelers Hill	51-200	202	54
5	Vertaccount	Dover Heights	51-200	135	60
6	Solutions Centric	Sydney	51-200	133	19
7	Whiz Consulting	Gordon	51-200	115	52
8	Tilbrook Rasheed Chartered Accountants	Wayville	51-200	54	40
9	Dexterous	North Sydney	51-200	52	33
10	Strategic Business Alliance PTY LTD	Melbourne	51-200	42	3
11	Venus Accountants PTY LTD	Brisbane	51-200	42	2
12	Taxoz Accountants	Broadmeadows	11-50	35	14
13	Collab Accounting PTY LTD	Bella Vista	11-50	33	9
14	The Kalculators	Blair Athol	11-50	31	7
15	Optimisers KPO Private Limited	Sydney	51-200	24	19
16	Accounts Bridge Chartered Accountants	Dubbo	11-50	24	8
17	Aventis Support Services	n/a	11-50	22	3
18	Square Penny	Camberwell	11-50	18	12
19	Retinue	North Sydney	51-200	16	15
20	MWM Advisory	Carrara	11-50	15	9
21	BOX Advisory Services	North Parramatta	11-50	15	8
22	MAS Partners	Zetland	11-50	15	5
23	Swivel Finance	Cremorne	51-200	14	2
24	Digit Bcorp & Xero Platinum Partner	Perth	11-50	13	9
25	Hooper Accountants	Pittsworth	11-50	13	5

Showing 25 of 1,219 accounting outsourcing firms based in Australia

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Accounting outsourcing firms based in Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

MelbourneLargest hub · 116 HQs

424Contacts with mobile numbers

13Emails re-verified in last 30 days

Companies by employee count

1-10

951

11-50

203

51-200

201-500

501-1,000

1,001-5,000

Accounting outsourcing firms by metro

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 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; 13 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 Australia?

There are 1,219 accounting outsourcing firms headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

TOA Global, headquartered in Southport, 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 2,147 verified decision-maker contacts tracked across these 1,219 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.