Company lists · Data refreshed September 2026

Top 25 IT consulting service providers based in Australia

RevenueBase identified 3,628 IT consulting service providers headquartered in Australia as of September 2026 and tracks 34,095 professional contacts across them, including 12,370 with verified work emails and 2,053 with mobile numbers. Sydney is the largest hub.

This list covers IT consulting service providers 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
3,628Companies
34,095Contacts tracked
12,370Verified emails
2,053Mobile numbers
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The 25 largest IT consulting service providers based in Australia

Ranked by team size
Top 25 of 3,628 IT consulting service providers based in Australia, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to IT consulting service providers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceSydney, AustraliaHQ checked Sep 27, 20261,001-5,000802 contacts →

Indirect evidence

“NCS in Australia is reinventing technology services from the inside out.”

Source: RevenueBase Database · checked Sep 27, 2026
2Partial evidenceSydney, AustraliaHQ checked Sep 27, 20261,001-5,000801 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 27, 2026
3Partial evidenceSydney, AustraliaHQ checked Sep 27, 2026501-1,000777 contacts →

Partial evidence

“Nexon Asia Pacific (Nexon) is an award-winning digital consulting and managed services partner for mid-market, enterprise, and government organisations across Australia.”

Source: RevenueBase Database · checked Sep 27, 2026
4Partial evidenceSydney, AustraliaHQ checked Sep 27, 20261,001-5,000711 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 27, 2026
5Partial evidenceMelbourne, AustraliaHQ checked Sep 27, 20261,001-5,000552 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 27, 2026
6Partial evidenceMelbourne, AustraliaHQ checked Sep 27, 2026201-500386 contacts →

Partial evidence

“Since 1991, DWS has been helping organisations across Australia reimagine what’s possible through technology, business, and management consulting.”

Source: RevenueBase Database · checked Sep 27, 2026
7Indirect evidenceMelbourne, AustraliaHQ checked Sep 27, 2026201-500331 contacts →

Indirect evidence

“Most SAP partners sell implementations.”

Source: RevenueBase Database · checked Sep 27, 2026
8Partial evidenceNeutral Bay, AustraliaHQ checked Sep 27, 202651-200281 contacts →

Partial evidence

“SSW's Consulting Services have delivered best-of-breed Microsoft solutions for more than clients in 15 countries.”

Source: RevenueBase Database · checked Sep 27, 2026
9Indirect evidenceNorth Sydney, AustraliaHQ checked Sep 27, 2026201-500235 contacts →

Indirect evidence

“FUJIFILM MicroChannel is an award-winning business technology solutions provider Empowering 1400+ customers to Innovate Better across Australia, New Zealand, Fiji, Singapore and…”

Source: RevenueBase Database · checked Sep 27, 2026
10Indirect evidenceMelbourne, AustraliaHQ checked Sep 27, 2026201-500235 contacts →

Indirect evidence

“At Terra Firma, we understand that success is all about sustaining long-term relationships.”

Source: RevenueBase Database · checked Sep 27, 2026
11Indirect evidence124 Walker Street, AustraliaHQ checked Sep 27, 2026201-500234 contacts →

Indirect evidence

“Helping organisations achieve more with technology.”

Source: RevenueBase Database · checked Sep 27, 2026
12Partial evidenceMelbourne, AustraliaHQ checked Sep 27, 2026201-500224 contacts →

Partial evidence

“DB Results is a profit-for-purpose digital business consulting and technology company.”

Source: RevenueBase Database · checked Sep 27, 2026
13Indirect evidenceNorth Sydney, AustraliaHQ checked Sep 27, 2026201-500222 contacts →

Indirect evidence

“For over 28 years, The Missing Link has been a trusted technology partner to enterprise, government and high-growth businesses across Australia.”

Source: RevenueBase Database · checked Sep 27, 2026
14Partial evidenceBrisbane, AustraliaHQ checked Sep 27, 2026201-500215 contacts →

Partial evidence

“Dijital Team partners with ambitious IT companies to enable them to reduce costs and scale with the right skills.”

Source: RevenueBase Database · checked Sep 27, 2026
15Indirect evidenceMelbourne, AustraliaHQ checked Sep 27, 202651-200215 contacts →

Indirect evidence

“Unico is an Australian privately owned and operated technology services company making technology innovation simple.”

Source: RevenueBase Database · checked Sep 27, 2026
16Partial evidenceSydney, AustraliaHQ checked Sep 27, 2026201-500190 contacts →

Partial evidence

“Serole Technologies is a leading provider of end-to-end IT services and solutions for Large Enterprises to Small to Medium companies.”

Source: RevenueBase Database · checked Sep 27, 2026
17Indirect evidenceMelbourne, AustraliaHQ checked Sep 27, 2026501-1,000185 contacts →

Indirect evidence

“We make technology work for people, not the other way around.”

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceMelbourne, AustraliaHQ checked Sep 27, 2026201-500184 contacts →

Indirect evidence

“Since 1998, blueAPACHE has been helping organisations access technology to their business advantage.”

Source: RevenueBase Database · checked Sep 27, 2026
19Partial evidenceSydney, AustraliaHQ checked Sep 27, 202610001+177 contacts →

Partial evidence

“Barhead, an Akkodis company, is an award-winning consulting firm focused on leveraging Microsoft’s Technology Stack to deliver business solutions.”

Source: RevenueBase Database · checked Sep 27, 2026
20Partial evidenceHobart, AustraliaHQ checked Sep 27, 202651-200172 contacts →

Partial evidence

“Intuit Technologies is a Tasmanian-owned national IT services provider, with offices across Tasmania, Victoria, and Queensland.”

Source: RevenueBase Database · checked Sep 27, 2026
21Partial evidenceArundel, AustraliaHQ checked Sep 27, 2026n/a166 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 27, 2026
22Indirect evidenceSouth Yarra, AustraliaHQ checked Sep 27, 2026201-500165 contacts →

Indirect evidence

“SICE is a leading multinational company that integrates technologies for public infrastructure management.”

Source: RevenueBase Database · checked Sep 27, 2026
23Partial evidenceMelbourne, AustraliaHQ checked Sep 27, 2026201-500156 contacts →

Partial evidence

“Adaps is Australia’s oldest privately owned IT services company.”

Source: RevenueBase Database · checked Sep 27, 2026
24Indirect evidenceMelbourne, AustraliaHQ checked Sep 27, 202651-200155 contacts →

Indirect evidence

“Explore new frontiers, uncover value from core business and build secure, scalable digital foundations through our transformative Technology Solutions.”

Source: RevenueBase Database · checked Sep 27, 2026
25Indirect evidenceSydney, AustraliaHQ checked Sep 27, 2026201-500155 contacts →

Indirect evidence

“FinXL was established in 2003 and has an international presence with eight offices across Australia and New Zealand.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 3,628 IT consulting service providers based in Australia

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IT consulting service providers based in Australia at a glance

As of Sep 27, 2026
36.3%Verified-email coverage
6.0%Mobile-number coverage
9.4Average contacts per company
1-10Median size (employees)
17.4%Largest-city concentration · Sydney
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
2,252
11-50
1,071
51-200
230
201-500
40
501-1,000
12
1,001-5,000
8
5,001-10,000
1
10001+
2

Freshness & accuracy

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

Email last verified

Median 29.0d

Company record updated

Median 93.0d

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 consulting service providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, 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 consulting service providers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names IT consulting service providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among IT consulting service providers, 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 its RevenueBase Smart Search 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, 12,370 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 27, 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.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names IT consulting service providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many IT consulting service providers are there based in Australia?

RevenueBase identified 3,628 IT consulting service providers 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 Sydney, tops this list with the largest team on record.

Which city has the most IT consulting service providers?

Sydney leads with 631 headquartered companies, followed by Melbourne (610) and Brisbane (185).

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 12,370 verified decision-maker contacts tracked across these 3,628 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 27, 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 Smart Search, 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.