Company lists · Data refreshed September 2026

Top 25 Information technology consulting firms based in Australia

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

Compiled by the RevenueBase Data Team Data refreshed Sep 26, 2026 4,091 companies tracked

RevenueBase identified 4,091 company matches for information technology consulting firms associated with Australia as of September 2026 and tracks 44,843 professional contacts across them, including 17,204 with verified work emails and 2,756 with mobile numbers. Sydney is the largest hub.

This list covers company matches for information technology consulting firms associated with Australia, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 26, 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 RevenueBase SmartSearch · Exact Recorded Sep 26, 2026 How this list was built

4,091Companies

44,843Contacts tracked

17,204Verified emails

2,756Mobile numbers

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest information technology consulting firms based in Australia

Ranked by team size

Top 25 of 4,091 company matches for information technology consulting firms based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 26, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Accenture Australia	Exact match	Melbourne Vic, AustraliaHQ recorded Sep 26, 2026	10001+	2,146 contacts →
	Exact match “Accenture is a leading global professional services company that helps the world’s leading businesses, governments and other organisations build their digital core, optimise their…” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
2	NCS Group Australia	Exact match	Sydney, AustraliaHQ recorded Sep 26, 2026	1,001-5,000	802 contacts →
	Exact match “NCS in Australia is reinventing technology services from the inside out.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
3	Atturra	Exact match	Sydney, AustraliaHQ recorded Sep 26, 2026	1,001-5,000	801 contacts →
	Exact match “Atturra (ASX: ATA) is one of Australia's leading advisory and IT solutions providers, focused on providing end-to-end transformation services to its clients.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
4	Nexon Asia Pacific	Exact match	Sydney, AustraliaHQ recorded Sep 26, 2026	501-1,000	777 contacts →
	Exact match “Nexon Asia Pacific (Nexon) is an award-winning digital consulting and managed services partner for mid-market, enterprise, and government organisations across Australia.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
5	NRI Australia & NEW Zealand	Exact match	Sydney, AustraliaHQ recorded Sep 26, 2026	1,001-5,000	711 contacts →
	Exact match “As a trusted end-to-end digital partner, we design, build, and manage IT solutions that turn bold visions into reality and set new standards of excellence for our clients.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
6	DWS	Exact match	Melbourne, AustraliaHQ recorded Sep 26, 2026	201-500	386 contacts →
	Exact match “Since 1991, DWS has been helping organisations across Australia reimagine what’s possible through technology, business, and management consulting.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
7	CITEC	Exact match	Brisbane, AustraliaHQ recorded Sep 26, 2026	201-500	383 contacts →
	Exact match “CITEC is the primary technology service provider for the Queensland Government delivering both whole-of-government and agency specific ICT services.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
8	Ac3	Exact match	Haymarket, AustraliaHQ recorded Sep 26, 2026	201-500	365 contacts →
	Exact match “AC3 is a leading Australian-owned and operated technology services provider helping organisations across government, healthcare, financial services, and critical infrastructure…” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
9	DXC Technology	Exact match	Macquarie Park, AustraliaHQ recorded Sep 26, 2026	10001+	360 contacts →
	Exact match “DXC Technology (NYSE: DXC) is a leading enterprise technology and innovation partner delivering software, services, and solutions to global enterprises and public sector…” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
10	Centorrino Technologies	Exact match	Coburg, AustraliaHQ recorded Sep 26, 2026	201-500	352 contacts →
	Exact match “We are an Australian-owned, full-service ICT Solutions and Cyber Security provider with a locally based team of over 450 passionate Aussies.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
11	INK IT Solutions	Exact match	Melbourne, AustraliaHQ recorded Sep 26, 2026	201-500	331 contacts →
	Exact match “Most SAP partners sell implementations.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
12	Silicon Stack	Exact match	Richmond, AustraliaHQ recorded Sep 26, 2026	201-500	262 contacts →
	Exact match “Silicon Stack® is a rapidly expanding Australian enterprise headquartered in Melbourne, with an extensive clientele spanning Australia, NZ, Europe, North America, and Asia.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
13	Finity	Exact match	The Rocks, AustraliaHQ recorded Sep 26, 2026	201-500	253 contacts →
	Exact match “We are a trusted partner of tech start-ups through to large scale organisations.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
14	Terra Firma Business Consulting	Exact match	Melbourne, AustraliaHQ recorded Sep 26, 2026	201-500	235 contacts →
	Exact match “At Terra Firma, we understand that success is all about sustaining long-term relationships.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
15	Professional Advantage	Exact match	124 Walker Street, AustraliaHQ recorded Sep 26, 2026	201-500	234 contacts →
	Exact match “Helping organisations achieve more with technology.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
16	DB Results	Exact match	Melbourne, AustraliaHQ recorded Sep 26, 2026	201-500	224 contacts →
	Exact match “DB Results is a profit-for-purpose digital business consulting and technology company.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
17	The Missing Link	Exact match	North Sydney, AustraliaHQ recorded Sep 26, 2026	201-500	222 contacts →
	Exact match “For over 28 years, The Missing Link has been a trusted technology partner to enterprise, government and high-growth businesses across Australia.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
18	UNICO	Exact match	Melbourne, AustraliaHQ recorded Sep 26, 2026	51-200	215 contacts →
	Exact match “Unico is an Australian privately owned and operated technology services company making technology innovation simple.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
19	Seisma	Exact match	Melbourne, AustraliaHQ recorded Sep 26, 2026	501-1,000	185 contacts →
	Exact match “We make technology work for people, not the other way around.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
20	Tecala Group	Exact match	Sydney, AustraliaHQ recorded Sep 26, 2026	201-500	179 contacts →
	Exact match “Tecala is an award-winning Australian technology partner, helping mid-market organisations navigate complexity and accelerate transformation with confidence.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
21	Barhead, An Akkodis Company	Exact match	Sydney, AustraliaHQ recorded Sep 26, 2026	10001+	177 contacts →
	Exact match “Barhead, an Akkodis company, is an award-winning consulting firm focused on leveraging Microsoft’s Technology Stack to deliver business solutions.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
22	Intuit Technologies	Exact match	Hobart, AustraliaHQ recorded Sep 26, 2026	51-200	172 contacts →
	Exact match “Intuit Technologies is a Tasmanian-owned national IT services provider, with offices across Tasmania, Victoria, and Queensland.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
23	Protiviti Australia	Exact match	Melbourne, AustraliaHQ recorded Sep 26, 2026	5,001-10,000	172 contacts →
	Exact match “Protiviti is a global business consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently…” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
24	Risk Associates - Emea & Asia	Exact match	Bella Vista, AustraliaHQ recorded Sep 26, 2026	51-200	170 contacts →
	Exact match “Ensuring your business is handling cyber security risks effectively has never been more important.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
25	Ongc Systems	Exact match	Arundel, AustraliaHQ recorded Sep 26, 2026	n/a	166 contacts →
	Exact match “ONGC Systems provides businesses with comprehensive IT services, that automate and streamline operations, reduce risk and increase stability while lowering the cost of system…” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “information technology consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 4,091 information technology consulting firms based in Australia

See the full list, filter by size, metro and specialty, and access 17,204 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Information technology consulting firms based in Australia at a glance

As of Sep 26, 2026

38.4%Verified-email coverage

6.1%Mobile-number coverage

11.0Average contacts per company

1-10Median size (employees)

18.5%Largest-city concentration · Sydney

Sep 26, 2026Page data refreshed

Companies by employee count

1-10

2,496

11-50

1,204

51-200

292

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 28.0d

11,5160–30

5,25231–60

32561–90

690–180

105180+

Company record updated

Median 90.0d

00–30

3,51031–60

19,22661–90

19,24590–180

2,862180+

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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: Company records associated with Australia whose business descriptions match “information technology consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 17,204 professional contacts with verified work emails across the full matched dataset. 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 26, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Information technology consulting firms by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “information technology consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many information technology consulting firms are there based in Australia?

RevenueBase identified 4,091 company matches for information technology consulting firms associated with Australia as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Accenture Australia tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most information technology consulting firms?

Sydney leads with 758 company records, followed by Melbourne (719) and Brisbane (252).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 17,204 professional contacts with verified work emails tracked across these 4,091 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 26, 2026.

Ready to reach these companies? Verified emails and direct dials for all 4,091 information technology consulting firms based in Australia. Start with a free account, no credit card.

Download this list →

Related lists

Information technology consulting firms by geography

Browse the directory

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.