Company lists · Data refreshed November 2026

Top 18 Information technology consultation services based in Australia

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 2,247 companies tracked

RevenueBase identified 2,247 company matches for information technology consultation services associated with Australia as of November 2026 and tracks 36,277 professional contacts across them, including 9,930 with verified work emails. Melbourne is the largest hub.

This list covers company matches for information technology consultation services 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 November 6, 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 Nov 6, 2026 How this list was built

2,247Companies

36,277Contacts tracked

9,930Verified emails

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The 18 largest information technology consultation services based in Australia

Ranked by team size

Top 18 of 2,247 company matches for information technology consultation services based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Atturra	Exact match	Sydney, AustraliaHQ recorded Nov 6, 2026	1,001-5,000	869 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 · Nov 6, 2026 · View company records in RevenueBase
2	Terra Firma Business Consulting	Exact match	Melbourne, AustraliaHQ recorded Nov 6, 2026	201-500	265 contacts →
	Exact match “At Terra Firma, we understand that success is all about sustaining long-term relationships.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Ongc Systems	Exact match	Arundel, AustraliaHQ recorded Nov 6, 2026	n/a	252 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 · Nov 6, 2026 · View company records in RevenueBase
4	Barhead, An Akkodis Company	Exact match	Sydney, AustraliaHQ recorded Nov 6, 2026	10001+	181 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 · Nov 6, 2026 · View company records in RevenueBase
5	Protiviti Australia	Exact match	Melbourne, AustraliaHQ recorded Nov 6, 2026	5,001-10,000	171 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 · Nov 6, 2026 · View company records in RevenueBase
6	CPT Global	Exact match	Melbourne, AustraliaHQ recorded Nov 6, 2026	51-200	166 contacts →
	Exact match “CPT Global is your independent partner for achieving peak IT performance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Office Solutions IT	Exact match	Osborne Park, AustraliaHQ recorded Nov 6, 2026	51-200	129 contacts →
	Exact match “IT to smile about.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Diamond IT	Exact match	Warabrook, AustraliaHQ recorded Nov 6, 2026	51-200	120 contacts →
	Exact match “Diamond IT is an Australian technology partner supporting organisations since 1996 with solutions that improve business outcomes, reduce risk, and enable sustainable growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Outcomex	Exact match	North Ryde, AustraliaHQ recorded Nov 6, 2026	51-200	119 contacts →
	Exact match “Outcomex is an award winning advisor, devoted to providing intuitive solutions in information technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Avocado Consulting	Exact match	Sydney, AustraliaHQ recorded Nov 6, 2026	51-200	119 contacts →
	Exact match “We are a proud Member of the Global Technology Industry Association -GITA OUR SERVICES Avocado helps clients deliver with certainty on their complex IT change, with technology…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Platinum Technology	Exact match	Norwest, AustraliaHQ recorded Nov 6, 2026	11-50	109 contacts →
	Exact match “Welcome to Platinum Technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Insighture	Exact match	Melbourne, AustraliaHQ recorded Nov 6, 2026	51-200	100 contacts →
	Exact match “Insighture is a multi-disciplinary technology consulting company based in Melbourne, Australia and Colombo, Sri Lanka.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Comunet	Exact match	Adelaide, AustraliaHQ recorded Nov 6, 2026	51-200	99 contacts →
	Exact match “For over 25 years we have been designing and implementing IT strategies that leverage technology to achieve business objectives for small businesses, through to enterprise…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Visagio Australia	Exact match	Perth, AustraliaHQ recorded Nov 6, 2026	51-200	99 contacts →
	Exact match “Founded in 2003, Visagio is a global platform that helps organisations achieve their goals.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Itgenius BIZ Tech Experts	Exact match	North Sydney, AustraliaHQ recorded Nov 6, 2026	11-50	81 contacts →
	Exact match “We work with ambitious entrepreneurs and business leaders to ensure effective technology strategy is a central driver of their success and a key enabler of business growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Comwire IT	Exact match	Hindmarsh, AustraliaHQ recorded Nov 6, 2026	51-200	80 contacts →
	Exact match “We are Comwire IT.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Itconnexion	Exact match	Hawthorn East, AustraliaHQ recorded Nov 6, 2026	11-50	73 contacts →
	Exact match “ITConnexion has provided high-quality innovative and customised technology solutions for our clients since 2003.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	A23	Exact match	Canberra, AustraliaHQ recorded Nov 6, 2026	51-200	67 contacts →
	Exact match “a23 is a straight-talking, Australian-owned IT consulting firm focused on what matters most to government and business.” Recorded in the RevenueBase company graph · Nov 6, 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 consultation services”. 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 18 of 2,247 information technology consultation services based in Australia

See the full list, filter by size, metro and specialty, and access 9,930 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Information technology consultation services based in Australia at a glance

As of Nov 6, 2026

27.4%Verified-email coverage

16.1Average contacts per company

1-10Median size (employees)

16.5%Largest-city concentration · Melbourne

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

1,433

11-50

635

51-200

123

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 2,247 companies.

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 consultation services” 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 9,930 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 November 6, 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 consultation services 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 consultation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many information technology consultation services are there based in Australia?

RevenueBase identified 2,247 company matches for information technology consultation services associated with Australia as of November 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?

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

Which city has the most information technology consultation services?

Melbourne leads with 371 company records, followed by Sydney (367) and Brisbane (111).

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 9,930 professional contacts with verified work emails tracked across these 2,247 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 November 6, 2026.

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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.