Company lists · Data refreshed September 2026

Top 22 IT infrastructure consulting firms based in Australia

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

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 2,813 companies tracked

RevenueBase identified 2,813 IT infrastructure consulting firms headquartered in Australia as of September 2026 and tracks 30,081 professional contacts across them, including 10,633 with verified work emails and 1,865 with mobile numbers. Sydney is the largest hub.

This list covers IT infrastructure consulting firms headquartered in Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 4, 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 HQ checked on every row Match evidence on every row Refreshed Sep 4, 2026 86% judged on-target in blind review

2,813Companies

30,081Contacts tracked

10,633Verified emails

1,865Mobile numbers

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The 22 largest IT infrastructure consulting firms based in Australia

Ranked by team size

Top 22 of 2,813 IT infrastructure consulting firms based in Australia, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names IT infrastructure consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	NCS Group AustraliaIndirect evidence	Sydney, AustraliaHQ checked Sep 4, 2026	1,001-5,000	794
	“NCS in Australia is reinventing technology services from the inside out.” Source: company website · checked Sep 4, 2026
2	Nexon Asia PacificPartial evidence	Sydney, AustraliaHQ checked Sep 4, 2026	501-1,000	771
	“Nexon Asia Pacific (Nexon) is an award-winning digital consulting and managed services partner for mid-market, enterprise, and government organisations across Australia.” Source: company website · checked Sep 4, 2026
3	NRI Australia & NEW ZealandPartial evidence	Sydney, AustraliaHQ checked Sep 4, 2026	1,001-5,000	723
	“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.” Source: company website · checked Sep 4, 2026
4	Axiom TechnologiesPartial evidence	Melbourne, AustraliaHQ checked Sep 4, 2026	1,001-5,000	536
	“Axiom Technologies was founded to meet technological needs for Australia's medium & large scale enterprises providing end to end IT solution which delivers tailored solutions…” Source: company website · checked Sep 4, 2026
5	Ac3Partial evidence	Haymarket, AustraliaHQ checked Sep 4, 2026	201-500	371
	“AC3 is a leading Australian-owned and operated technology services provider helping organisations across government, healthcare, financial services, and critical infrastructure…” Source: company website · checked Sep 4, 2026
6	FinityIndirect evidence	The Rocks, AustraliaHQ checked Sep 4, 2026	201-500	253
	“We are a trusted partner of tech start-ups through to large scale organisations.” Source: company website · checked Sep 4, 2026
7	Terra Firma Business ConsultingIndirect evidence	Melbourne, AustraliaHQ checked Sep 4, 2026	201-500	232
	“At Terra Firma, we understand that success is all about sustaining long-term relationships.” Source: company website · checked Sep 4, 2026
8	UNICOIndirect evidence	Melbourne, AustraliaHQ checked Sep 4, 2026	51-200	213
	“Unico is an Australian privately owned and operated technology services company making technology innovation simple.” Source: company website · checked Sep 4, 2026
9	PMY GroupIndirect evidence	Melbourne, AustraliaHQ checked Sep 4, 2026	201-500	197
	“At PMY Group, we are proud of our Australian origins and ever-increasing global footprint.” Source: company website · checked Sep 4, 2026
10	BlueapacheIndirect evidence	Melbourne, AustraliaHQ checked Sep 4, 2026	201-500	190
	“Since 1998, blueAPACHE has been helping organisations access technology to their business advantage.” Source: company website · checked Sep 4, 2026
11	Tecala GroupIndirect evidence	Sydney, AustraliaHQ checked Sep 4, 2026	201-500	179
	“Tecala is an award-winning Australian technology partner, helping mid-market organisations navigate complexity and accelerate transformation with confidence.” Source: company website · checked Sep 4, 2026
12	Barhead, An Akkodis CompanyPartial evidence	Sydney, AustraliaHQ checked Sep 4, 2026	10001+	177
	“Barhead, an Akkodis company, is an award-winning consulting firm focused on leveraging Microsoft’s Technology Stack to deliver business solutions.” Source: company website · checked Sep 4, 2026
13	Intuit TechnologiesPartial evidence	Hobart, AustraliaHQ checked Sep 4, 2026	51-200	172
	“Intuit Technologies is a Tasmanian-owned national IT services provider, with offices across Tasmania, Victoria, and Queensland.” Source: company website · checked Sep 4, 2026
14	Protiviti AustraliaPartial evidence	Melbourne, AustraliaHQ checked Sep 4, 2026	5,001-10,000	172
	“Protiviti is a global business consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently…” Source: company website · checked Sep 4, 2026
15	Ongc SystemsPartial evidence	Arundel, AustraliaHQ checked Sep 4, 2026	n/a	167
	“ONGC Systems provides businesses with comprehensive IT services, that automate and streamline operations, reduce risk and increase stability while lowering the cost of system…” Source: company website · checked Sep 4, 2026
16	Sice ANZPartial evidence	South Yarra, AustraliaHQ checked Sep 4, 2026	201-500	163
	“SICE is a leading multinational company that integrates technologies for public infrastructure management.” Source: company website · checked Sep 4, 2026
17	Cube NetworksPartial evidence	Southbank, AustraliaHQ checked Sep 4, 2026	51-200	156
	“Cube Networks are experts in Digital Infrastructure with strong foundations in Networks and Security, who pride ourselves on simplified solutions for complex, large-scale…” Source: company website · checked Sep 4, 2026
18	Blue Connections ITPartial evidence	Scoresby, AustraliaHQ checked Sep 4, 2026	51-200	146
	“Blue Connections IT is a leading Australian-owned provider of best-in-class IT solutions and managed services.” Source: company website · checked Sep 4, 2026
19	Fujitsu Asia PacificIndirect evidence	Macquarie Park, AustraliaHQ checked Sep 4, 2026	1,001-5,000	125
	“Fujitsu’s purpose is to make the world more sustainable by building trust in society through innovation.” Source: company website · checked Sep 4, 2026
20	Exigo TechIndirect evidence	Norwest, AustraliaHQ checked Sep 4, 2026	51-200	118
	“At Exigo Tech, we believe that technology should be simple, accessible, and a catalyst for business success.” Source: company website · checked Sep 4, 2026
21	Diamond ITPartial evidence	Warabrook, AustraliaHQ checked Sep 4, 2026	51-200	116
	“Diamond IT is an Australian technology partner supporting organisations since 1996 with solutions that improve business outcomes, reduce risk, and enable sustainable growth.” Source: company website · checked Sep 4, 2026
22	OutcomexIndirect evidence	North Ryde, AustraliaHQ checked Sep 4, 2026	51-200	115
	“Outcomex is an award winning advisor, devoted to providing intuitive solutions in information technology.” Source: company website · checked Sep 4, 2026

Showing 22 of 2,813 IT infrastructure consulting firms based in Australia

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IT infrastructure consulting firms based in Australia at a glance

As of Sep 4, 2026

1-10Median size (employees)

SydneyLargest hub · 494 HQs

1,865Contacts with mobile numbers

Sep 4, 2026Data refreshed

Companies by employee count

1-10

1,661

11-50

865

51-200

208

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Verified emails by last verification

0–30

31–60

902

61–90

5,938

90–180

3,736

180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among IT infrastructure consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

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: Companies headquartered in Australia whose own description of what they do matches “IT infrastructure consulting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among IT infrastructure consulting firms, and records with no verified work email. Companies headquartered outside Australia are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 10,633 across the full list. 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 4, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

IT infrastructure consulting firms by metro

Frequently asked

How many IT infrastructure consulting firms are there based in Australia?

RevenueBase identified 2,813 IT infrastructure consulting firms headquartered in Australia as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

NCS Group Australia, headquartered in Canberra, tops this list with the largest team on record.

Which city has the most IT infrastructure consulting firms?

Sydney leads with 494 headquartered companies, followed by Melbourne (477) and Brisbane (146).

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 10,633 verified decision-maker contacts tracked across these 2,813 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 4, 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.