Company lists · Data refreshed September 2026
Top 23 Computer services companies based in Australia
RevenueBase identified 1,065 computer services companies headquartered in Australia as of September 2026 and tracks 6,403 professional contacts across them, including 2,131 with verified work emails. Sydney is the largest hub.
This list covers computer services companies 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 19, 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.
The 23 largest computer services companies based in Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 396 contacts → | ||||
Strong evidence “With Computer Troubleshooters you get the best of both worlds: friendly, knowledgeable service from a locally owned & operated service provider, supported by the worlds top…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 166 contacts → | ||||
Indirect 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 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 118 contacts → | ||||
Indirect evidence “Diamond IT is an Australian technology partner supporting organisations since 1996 with solutions that improve business outcomes, reduce risk, and enable sustainable growth.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 114 contacts → | ||||
Indirect evidence “IT to smile about.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 76 contacts → | ||||
Indirect evidence “CNS takes pride in our ability to deliver successful solutions to our customers.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 75 contacts → | ||||
Indirect evidence “ITSM is your trusted partner in strategic IT services, specializing in solutions for large enterprises and mid-sized organizations.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 72 contacts → | ||||
Strong evidence “Active IT is a team of qualified and experienced computer professionals dedicated to providing fast and reliable IT services and solutions for small-to-medium size businesses in…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 66 contacts → | ||||
Indirect evidence “ITConnexion has provided high-quality innovative and customised technology solutions for our clients since 2003.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 63 contacts → | ||||
Indirect evidence “Since 2004 Intergy Consulting has been helping clients realise their business vision through delivering innovative, high quality, customised IT solutions.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 55 contacts → | ||||
Indirect evidence “eNerds was founded in to innovate & improve the way IT Services are delivered to SMB businesses sized 20-500 staff.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 53 contacts → | ||||
Indirect evidence “JTC Technology has been providing IT Support, Management and Consultancy services to educational and business clients for over 20 years, currently supporting over 70 schools and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 52 contacts → | ||||
Indirect evidence “REXTECH, headquartered in Australia, is a global leader in the realm of managed IT solutions, covering Applications, Business Process Outsourcing, and IT Infrastructure services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 50 contacts → | ||||
Indirect evidence “Source Central is an end to end technology company that is able to understand your business requirements and Build, Operate and Manage the solution delivery.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 48 contacts → | ||||
Indirect evidence “Netier is a service-focused company that works with businesses to manage all aspects of their IT environment.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 47 contacts → | ||||
Indirect evidence “Enee Solutions are a young, innovative technology business that is focused on bringing a fresh approach to helping our customers grow their business through technology.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 46 contacts → | ||||
Indirect evidence “What we do TechPath empowers businesses and the people they employ through innovative IT strategies.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 39 contacts → | ||||
Indirect evidence “Insitec is a locally owned and operated company, formed in 2001 to provide Canberra and the surrounding region with services in development, implementation and management of IT…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 38 contacts → | ||||
Indirect evidence “VISITS empowers business through technology.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 38 contacts → | ||||
Strong evidence “Computer Support professionals uphold the highest standards in personalized, professional service to help you make proficient and convinced decisions regarding your IT…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 37 contacts → | ||||
Indirect evidence “The Redbourne Group is experienced in providing a range of valuable software and services to business, not for profits organisations and government agencies to help their…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 37 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 35 contacts → | ||||
Indirect evidence “Newtrend IT are your IT Specialists providing unparalleled personalised support to our clients through our values of integrity, respect and communication.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 35 contacts → | ||||
Indirect evidence “When it comes to your business, you want support from someone you can trust.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: computer services companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names computer services companies.
- Partial evidence
- Its own public description names part of computer services companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name computer services companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 23 of 1,065 computer services companies based in Australia
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Computer services companies based in Australia at a glance
As of Sep 19, 2026Companies by employee count
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 1,065 companies.
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 computer services companies, 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 “computer services companies”. 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 computer services companies), 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 computer services companies, 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, 2,131 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 19, 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.
Computer services companies by metro
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 computer services companies, 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 computer services companies are there based in Australia?
RevenueBase identified 1,065 computer services companies 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?
Computer Troubleshooters Milton, headquartered in Brisbane, tops this list with the largest team on record.
Which city has the most computer services companies?
Sydney leads with 109 headquartered companies, followed by Melbourne (87) and Brisbane (38).
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 2,131 verified decision-maker contacts tracked across these 1,065 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 19, 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.
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