Company lists · Data verified August 2026

Top 25 Enterprise IT consulting firms based in Australia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 3,034 companies tracked

There are 3,034 enterprise IT consulting firms headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 34,201 professional contacts across them, including 10,735 with verified work emails and 2,178 with mobile numbers. Sydney is the largest hub.

This list covers enterprise IT consulting 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.

3,034Companies

34,201Contacts tracked

10,735Verified emails

2,178Mobile numbers

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The 25 largest enterprise IT consulting firms based in Australia

Ranked by team size

Top 25 of 3,034 enterprise IT consulting 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	Mouri Tech	Bardia	1,001-5,000	3,031	145
2	Atturra	Perth	1,001-5,000	794	570
3	NCS Group Australia	Canberra	1,001-5,000	794	27
4	Nexon Asia Pacific	Adelaide	501-1,000	771	267
5	NRI Australia & NEW Zealand	Sydney	1,001-5,000	723	339
6	Thakral ONE	Brisbane	501-1,000	511	89
7	DWS	Adelaide	201-500	392	177
8	PT Itsec Asia TBK	Melbourne	201-500	387	67
9	Centorrino Technologies	Coburg	201-500	349	207
10	Davidson	Symonston	501-1,000	300	138
11	Finity	Melbourne	201-500	253	214
12	Sparity	Australia	201-500	245	53
13	Terra Firma Business Consulting	Melbourne	201-500	232	92
14	Seisma Group	Sydney	501-1,000	182	73
15	Tecala Group	Perth	201-500	179	160
16	Portcities	Melbourne	201-500	179	74
17	Barhead, An Akkodis Company	Sydney	10001+	177	95
18	Sice ANZ	Mascot	201-500	163	2
19	Infograins Software Solutions Pvt. LTD	Sydney	201-500	152	1
20	Flexisource IT	Melbourne	201-500	148	45
21	IBU	Quakers Hill	1,001-5,000	129	23
22	Fujitsu Asia Pacific	Macquarie Park	1,001-5,000	125	42
23	NEW ERA Technology AU	Belmont	501-1,000	112	81
24	Meridian Group International, INC	n/a	501-1,000	111	33
25	Abishar Technologies	Melbourne	201-500	104	9

Showing 25 of 3,034 enterprise IT consulting firms based in Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 10,735 reachable decision-makers.

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Enterprise IT consulting firms based in Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 626 HQs

2,178Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

1,839

11-50

877

51-200

228

201-500

501-1,000

1,001-5,000

10001+

Enterprise IT consulting firms by metro

Metro	Companies
Enterprise IT consulting firms in Sydney	626
Enterprise IT consulting firms in Melbourne	585
Enterprise IT consulting firms in Brisbane	178
Enterprise IT consulting firms in Perth	146
Enterprise IT consulting firms in Adelaide	93
Enterprise IT consulting firms in Canberra	91
Enterprise IT consulting firms in North Sydney	33

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 “enterprise IT consulting 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; 0 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 enterprise IT consulting firms are there based in Australia?

There are 3,034 enterprise IT consulting firms headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

Mouri Tech, headquartered in Bardia, tops this list with the largest team on record.

Which city has the most enterprise IT consulting firms?

Sydney leads with 626 headquartered companies, followed by Melbourne (585) and Brisbane (178).

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 10,735 verified decision-maker contacts tracked across these 3,034 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.