Company lists · Data verified August 2026

Top 25 IT consulting companies based in Australia

Name: IT consulting companies based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 3,344 companies tracked

As of August 2026, this directory lists 3,344 IT consulting companies based in Australia, with 43,974 contacts and 14,686 email addresses. Sydney is the single most-represented city among the companies on the list. Use the directory to identify potential vendors, partners, and sales prospects.

IT consulting companies advise organizations on technology strategy, systems, software, infrastructure, cybersecurity, cloud services, and related IT implementation needs. This list covers companies that provide professional IT consulting services, including technology advisory, systems planning, implementation support, and related services. Ranked by team size, largest first. Data current as of August 28, 2026.

3,344Companies

43,974Contacts tracked

14,686Verified emails

2,910Mobile numbers

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The 25 largest IT consulting companies based in Australia

Ranked by team size

Top 25 of 3,344 IT consulting companies 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	Fujifilm Business Innovation Australia	Richmond	1,001-5,000	2,304	52
2	Accenture Australia	Sydney	10001+	2,164	905
3	Entelect	Sydney	1,001-5,000	1,795	1,249
4	Atturra	Perth	1,001-5,000	794	570
5	NCS Group Australia	Canberra	1,001-5,000	794	27
6	Nexon Asia Pacific	Adelaide	501-1,000	771	267
7	NRI Australia & NEW Zealand	Sydney	1,001-5,000	723	339
8	Sage IT	Barangaroo	501-1,000	686	132
9	Thakral ONE	Brisbane	501-1,000	511	89
10	Business Core Solutions	Blacktown	201-500	411	21
11	DWS	Adelaide	201-500	392	177
12	United Techno	Sydney	201-500	373	114
13	Clearsulting	Sydney	201-500	364	250
14	DXC Technology	Macquarie Park	10001+	359	96
15	Davidson	Symonston	501-1,000	300	138
16	Decision INC	Sydney	201-500	275	230
17	Sparity	Australia	201-500	245	53
18	Broadway Infotech	Sydney	201-500	243	48
19	Terra Firma Business Consulting	Melbourne	201-500	232	92
20	Natilik	Sydney	201-500	218	174
21	Lorhan IT	Melbourne	201-500	198	51
22	PMY Group	Melbourne	201-500	197	97
23	Seisma Group	Sydney	501-1,000	182	73
24	Barhead, An Akkodis Company	Sydney	10001+	177	95
25	Sice ANZ	Mascot	201-500	163	2

Showing 25 of 3,344 IT consulting companies based in Australia

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IT consulting companies based in Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 661 HQs

2,910Contacts with mobile numbers

114Emails re-verified in last 30 days

Companies by employee count

1-10

1,951

11-50

1,023

51-200

249

201-500

501-1,000

1,001-5,000

10001+

IT consulting companies by metro

Metro	Companies
IT consulting companies in Sydney	661
IT consulting companies in Melbourne	634
IT consulting companies in Brisbane	203
IT consulting companies in Perth	166
IT consulting companies in Adelaide	100
IT consulting companies in Canberra	88
IT consulting companies in North Sydney	39

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 “IT consulting companies”, 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; 114 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 IT consulting companies are in the directory?

The directory contains 3,344 IT consulting companies based in Australia as of August 2026.

How can I find contacts at IT consulting companies?

You can use this directory to review 43,974 contacts and 14,686 email addresses associated with IT consulting companies based in Australia.

Which city has the most IT consulting companies on the list?

Sydney is the single most-represented city among the IT consulting companies on the list.

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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.