Company lists · Data refreshed September 2026

Top 25 IT service desk outsourcing companies based in Australia

RevenueBase identified 151 company matches for IT service desk outsourcing companies associated with Australia as of September 2026 and tracks 2,835 professional contacts across them, including 925 with verified work emails. Sydney is the largest hub.

This list covers company matches for IT service desk outsourcing 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 September 28, 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 Sep 28, 2026 How this list was built
151Companies
2,835Contacts tracked
925Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest IT service desk outsourcing companies based in Australia

Ranked by team size
Top 25 of 151 company matches for IT service desk outsourcing companies based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchMelbourne, AustraliaHQ recorded Sep 28, 2026501-1,000404 contacts →

Exact match

“We are OBP.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchSydney, AustraliaHQ recorded Sep 28, 2026501-1,000349 contacts →

Exact match

“hammerjack is an Australian and Philippine-owned offshore outsourcing and Knowledge Process Outsourcing (KPO) provider.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchBrisbane, AustraliaHQ recorded Sep 28, 2026201-500215 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchWheelers Hill, AustraliaHQ recorded Sep 28, 202651-200196 contacts →

Exact match

“Looking for a reliable outsourcing partner that can help your business grow?”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchArundel, AustraliaHQ recorded Sep 28, 2026n/a166 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 · Sep 28, 2026 · View company records in RevenueBase
6Exact matchMelbourne, AustraliaHQ recorded Sep 28, 20265,001-10,000107 contacts →

Exact match

“Acquire BPO is an award-winning, global business outsourcer with 14 locations across Australia, the Dominican Republic, the Philippines and the United States.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchParramatta, AustraliaHQ recorded Sep 28, 2026n/a72 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchHawthorn East, AustraliaHQ recorded Sep 28, 202611-5066 contacts →

Exact match

“ITConnexion has provided high-quality innovative and customised technology solutions for our clients since 2003.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchAustraliaHQ recorded Sep 28, 202651-20062 contacts →

Exact match

“Established in 2016, Tech Source Managed Services is an Outsourcing Company which not only works on major IT projects of other companies but also handles operational matters and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchSydney, AustraliaHQ recorded Sep 28, 202651-20061 contacts →

Exact match

“We help businesses reduce costs, boost efficiency, and scale faster, without the HR burden.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchNorth Sydney, AustraliaHQ recorded Sep 28, 202611-5055 contacts →

Exact match

“eNerds was founded in to innovate & improve the way IT Services are delivered to SMB businesses sized 20-500 staff.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchSydney, AustraliaHQ recorded Sep 28, 202651-20052 contacts →

Exact match

“REXTECH, headquartered in Australia, is a global leader in the realm of managed IT solutions, covering Applications, Business Process Outsourcing, and IT Infrastructure services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchMelbourne, AustraliaHQ recorded Sep 28, 202651-20042 contacts →

Exact match

“Strategic Business Alliance (SBA) is a leading provider of integrated outsourcing services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchBundoora, AustraliaHQ recorded Sep 28, 202651-20030 contacts →

Exact match

“ContinuousExcellence (CE) is an IT services, outsourcing and technology consulting company for the small and medium enterprise (SME).”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchNorth Ryde, AustraliaHQ recorded Sep 28, 202611-5027 contacts →

Exact match

“In 1997, Total Computer Technology was founded by Robert & Dianne with a clear mission: to make technology useful, manageable, and a genuine asset for business owners.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchRingwood, AustraliaHQ recorded Sep 28, 202611-5026 contacts →

Exact match

“The IT Department delivers a full-range of IT outsourcing services for SMBs and community sector organisations of all sizes.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchDerrimut, AustraliaHQ recorded Sep 28, 202651-20026 contacts →

Exact match

“Globalsync is a leading ISO certified Business Process Outsourcing service provider that caters to businesses around the world.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchBrisbane, AustraliaHQ recorded Sep 28, 202611-5025 contacts →

Exact match

“Computer One is a multidisciplinary IT service provider, proficient in both Managed IT and Project IT services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchRowville, AustraliaHQ recorded Sep 28, 202611-5025 contacts →

Exact match

“Thomas Peer Solutions is your exclusive, trusted partner in helping you deliver a successful result for your business.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchArtarmon, AustraliaHQ recorded Sep 28, 202611-5024 contacts →

Exact match

“Centrix Solutions is an established independent IT Company providing outsourced IT to medium sized businesses.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchMelbourne, AustraliaHQ recorded Sep 28, 202611-5024 contacts →

Exact match

“We provide top-notch business outsourcing/offshoring services, helping companies streamline operations and boost efficiency.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchSydney, AustraliaHQ recorded Sep 28, 202611-5023 contacts →

Exact match

“IT Logic provides Managed Services and procurement to clients in any industry pre-dominantly in the small to medium size business space.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchNewport, AustraliaHQ recorded Sep 28, 202611-5021 contacts →

Exact match

“IT SUPPORT AND TECHNOLOGY SOLUTIONS FOR BUSINESS.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchMelbourne, AustraliaHQ recorded Sep 28, 202611-5021 contacts →

Exact match

“G4ce is a world-class business process outsourcing services provider based in Australia with over 12 years of experience in providing top-notch outsourcing services for businesses…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchMount Lawley, AustraliaHQ recorded Sep 28, 202611-5020 contacts →

Exact match

“Future Logic is a privately owned company headquarted in Western Australian.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 151 IT service desk outsourcing companies based in Australia

See the full list, filter by size, metro and specialty, and access 925 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

IT service desk outsourcing companies based in Australia at a glance

As of Sep 28, 2026
32.6%Verified-email coverage
18.8Average contacts per company
11-50Median size (employees)
17.2%Largest-city concentration · Sydney
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
66
11-50
64
51-200
15
201-500
3
501-1,000
2
5,001-10,000
1

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 151 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 service desk outsourcing 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 925 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 September 28, 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.

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

How many IT service desk outsourcing companies are there based in Australia?

RevenueBase identified 151 company matches for IT service desk outsourcing companies associated with Australia as of September 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?

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

Which city has the most IT service desk outsourcing companies?

Sydney leads with 26 company records, followed by Melbourne (22) and Brisbane (9).

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 925 professional contacts with verified work emails tracked across these 151 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 September 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 151 IT service desk outsourcing companies based in Australia. Start with a free account, no credit card.

Download this list →

Related lists

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.