Company lists · Data refreshed November 2026

Top 20 IT maintenance companies based in Australia

RevenueBase identified 370 company matches for IT maintenance companies associated with Australia as of November 2026 and tracks 1,759 professional contacts across them, including 543 with verified work emails. Melbourne is the largest hub.

This list covers company matches for IT maintenance companies 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
370Companies
1,759Contacts tracked
543Verified emails
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The 20 largest IT maintenance companies based in Australia

Ranked by team size
Top 20 of 370 company matches for IT maintenance companies 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchArundel, AustraliaHQ recorded Nov 6, 2026n/a252 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
2Exact matchCastle Hill, AustraliaHQ recorded Nov 6, 202651-20044 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNorwest, AustraliaHQ recorded Nov 6, 202651-20037 contacts →

Exact match

“At Intelliworx we're a global tech company, and our biggest strength is our people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMornington, AustraliaHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“SolutionOne provides technical support, consulting services and hardware supply to over organisations and have an active client base of over 370 businesses annually.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchWest Ipswich, AustraliaHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Connected.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchNewport, AustraliaHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“IT SUPPORT AND TECHNOLOGY SOLUTIONS FOR BUSINESS.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchParramatta, AustraliaHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Your focus is to run your business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchKelvin Grove, AustraliaHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“IT Support & Helpdesk • Provides professional IT support when software issues arise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“At ORCHAL, we are committed to delivering prompt and expertly managed IT support services globally, available 24/7.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNewport, AustraliaHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Our services are designed to give business owners and managers peace of mind, you can ‘sleep easy’ knowing that your IT department is working around the clock, keeping the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchFyshwick, AustraliaHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“We have the ability to respond to your requests quickly – we aim to answer the phone within five seconds and as part of our managed service agreement we can be online and looking…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchChadstone, AustraliaHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“At Qamba, we make technology feel simple, so your team can focus on what they do best.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBraeside, AustraliaHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“At HIOD IT, we know we are a one stop shop for all your IT needs and Services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAdelaide, AustraliaHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“At Orbitel Technologies, we keep your technology safe and secure, so you can focus on what matters-growing your business, getting back your time, and sleeping soundly at night.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBrisbane City, AustraliaHQ recorded Nov 6, 202651-20011 contacts →

Exact match

“Computit offers professional IT solution for all Business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchToorak, AustraliaHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“From scheduled on-site maintenance to those unpredictable IT emergencies, our expert team can provide the support you need, when you need it the most.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCaboolture, AustraliaHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“MicroEd Computers provide a host of IT/Computer related services for business including- Managed Services - Computer Consultancy - Systems Analysis and Design - Phone and Remote…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchWest Perth, AustraliaHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“IT environments are becoming more complex and increasingly crucial to your ongoing success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSurry Hills, AustraliaHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“ITMD provides high-quality and cost-effective IT infrastructure and support services to assist our customers in securing, protecting and optimizing the value of their investments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAdelaide, AustraliaHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“DP Computing - Your Business It Specialists across Australia We specialise in simplifying IT for business customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 20 of 370 IT maintenance companies based in Australia

See the full list, filter by size, metro and specialty, and access 543 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT maintenance companies based in Australia at a glance

As of Nov 6, 2026
30.9%Verified-email coverage
4.8Average contacts per company
1-10Median size (employees)
7.3%Largest-city concentration · Melbourne
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
279
11-50
66
51-200
6

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 370 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 “IT maintenance companies” 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 543 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.

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 “IT maintenance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT maintenance companies are there based in Australia?

RevenueBase identified 370 company matches for IT maintenance companies 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?

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

Which city has the most IT maintenance companies?

Melbourne leads with 27 company records, followed by Sydney (27) and Brisbane (12).

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 543 professional contacts with verified work emails tracked across these 370 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.