Company lists · Data refreshed September 2026

Top 25 Outsourcing IT companies based in Sydney, Australia

RevenueBase identified 96 outsourcing IT companies headquartered in Sydney, Australia as of September 2026 and tracks 950 professional contacts across them, including 291 with verified work emails. Sydney is the largest hub.

This list covers outsourcing IT companies headquartered in Sydney, 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 21, 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 21, 2026 86% judged on-target in blind review
96Companies
950Contacts tracked
291Verified emails
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The 25 largest outsourcing IT companies based in Sydney, Australia

Ranked by team size
Top 25 of 96 outsourcing IT companies based in Sydney, Australia, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to outsourcing IT companies: 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
1Partial evidenceSydney, AustraliaHQ checked Sep 21, 2026501-1,000349 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
2Strong evidenceSydney, AustraliaHQ checked Sep 21, 202651-20052 contacts →

Strong 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 21, 2026
3Partial evidenceSydney, AustraliaHQ checked Sep 21, 202611-5047 contacts →

Partial evidence

IT Integrity helps organisations harness technology to drive growth, efficiency, and competitive advantage.”

Source: RevenueBase Database · checked Sep 21, 2026
4Partial evidenceSydney, AustraliaHQ checked Sep 21, 202611-5025 contacts →

Partial evidence

“Simplifying IT solutions that work for your business.”

Source: RevenueBase Database · checked Sep 21, 2026
5Partial evidenceSydney, AustraliaHQ checked Sep 21, 202611-5025 contacts →

Partial evidence

“Business Process Outsourcing | E-Commerce | Data Services With clients from the U.S, UK and Australia, DataMotivate provides a comprehensive shared services platform to run…”

Source: RevenueBase Database · checked Sep 21, 2026
6Partial evidenceSydney, AustraliaHQ checked Sep 21, 202611-5014 contacts →

Partial evidence

“Cool Pixels is an outsourcing company in Australia that provides Virtual Assistants from the Philippines at just $7/hour.”

Source: RevenueBase Database · checked Sep 21, 2026
7Indirect evidenceSydney, AustraliaHQ checked Sep 21, 202611-5011 contacts →

Indirect evidence

“RawTech Group is a leading technology solutions provider specialising in innovative and customised services for businesses across various sectors.”

Source: RevenueBase Database · checked Sep 21, 2026
8Partial evidenceSydney, AustraliaHQ checked Sep 21, 202611-509 contacts →

Partial evidence

“At Werkout, our core mission is to identify gaps in your operations; areas where efficiency can be improved; or tasks where your time can be saved through Outsourcing / Offshoring…”

Source: RevenueBase Database · checked Sep 21, 2026
9Strong evidenceSydney, AustraliaHQ checked Sep 21, 202611-509 contacts →

Strong evidence

“Horizon Consulting, a professional recruitment consultancy and IT outsourcing service provider, is committed to delivering the very best talent and IT solutions to a broad base of…”

Source: RevenueBase Database · checked Sep 21, 2026
10Partial evidenceSydney, AustraliaHQ checked Sep 21, 202611-508 contacts →

Partial evidence

“Cloud Earth is a 100% Australian-owned IT Services company based in Sydney with an international reach.”

Source: RevenueBase Database · checked Sep 21, 2026
11Partial evidenceSydney, AustraliaHQ checked Sep 21, 20261-108 contacts →

Partial evidence

“Assistech is a Sydney-based IT Services Company, dedicated to providing swift and reliable IT solutions to businesses across various sizes and industries.”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceSydney, AustraliaHQ checked Sep 21, 202611-507 contacts →

Indirect evidence

“ExecuHub runs premium specialist teams in Manila for businesses that think in years, not hours.”

Source: RevenueBase Database · checked Sep 21, 2026
13Indirect evidenceSydney, AustraliaHQ checked Sep 21, 202611-506 contacts →

Indirect evidence

“For close to 20 years, RMS Tech has been helping small businesses in Sydney, get the most out of their business technology.”

Source: RevenueBase Database · checked Sep 21, 2026
14Partial evidenceSydney, AustraliaHQ checked Sep 21, 20261-105 contacts →

Partial evidence

“Absolute IT is a leading provider of comprehensive IT services and solutions.”

Source: RevenueBase Database · checked Sep 21, 2026
15Indirect evidenceSydney, AustraliaHQ checked Sep 21, 202651-2005 contacts →

Indirect evidence

“Celebrating a decade of Information solutions to businesses.”

Source: RevenueBase Database · checked Sep 21, 2026
16Partial evidenceSydney, AustraliaHQ checked Sep 21, 202611-505 contacts →

Partial evidence

“Specialising in the supply of infrastructure, software, managed services, outsourcing and cloud-based outcomes.”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceSydney, AustraliaHQ checked Sep 21, 20261-104 contacts →

Indirect evidence

“We are passionate about Information Technology and we constantly invest into our systems and provide leading-edge technology to our customers.”

Source: RevenueBase Database · checked Sep 21, 2026
18Partial evidenceSydney, AustraliaHQ checked Sep 21, 20261-104 contacts →

Partial evidence

“We are Sydney based, and are here to provide your business with IT Support, solutions and Managed IT services to help your business with all your IT needs.”

Source: RevenueBase Database · checked Sep 21, 2026
19Partial evidenceSydney, AustraliaHQ checked Sep 21, 20261-104 contacts →

Partial evidence

“At HeroTech, we are passionate about Information Technology and how it can transform the way businesses operate and grow.”

Source: RevenueBase Database · checked Sep 21, 2026
20Partial evidenceSydney, AustraliaHQ checked Sep 21, 20261-103 contacts →

Partial evidence

“Layer 1 Technologies provides your business with a single point of contact for all their IT needs, making it easier for them to manage and maintain your technology.”

Source: RevenueBase Database · checked Sep 21, 2026
21Partial evidenceSydney, AustraliaHQ checked Sep 21, 202611-502 contacts →

Partial evidence

“From a humble family-owned business to a seasoned partner in IT solutions, Interdata Solutions has woven a 30-year-long story of success and trust with Australian businesses.”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceSydney, AustraliaHQ checked Sep 21, 202611-502 contacts →

Indirect evidence

“Our unique appeal is that we are able to provide a complete end to end, flexible technology solution for organisations of any size.”

Source: RevenueBase Database · checked Sep 21, 2026
23Partial evidenceSydney, AustraliaHQ checked Sep 21, 20261-102 contacts →

Partial evidence

“ITechnique is an Australian owned and operated IT services company for small and medium-sized businesses.”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceSydney, AustraliaHQ checked Sep 21, 2026201-5002 contacts →

Indirect evidence

“Each company is unique.”

Source: RevenueBase Database · checked Sep 21, 2026
25Indirect evidenceSydney, AustraliaHQ checked Sep 21, 202651-2002 contacts →

Indirect evidence

“We help you build your full-time, dedicated offshore teams, taking care of everything on the ground, while you retain full control of your team, including KPIs, quality, workflow…”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 96 outsourcing IT companies based in Sydney, Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 291 reachable decision-makers.

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Outsourcing IT companies based in Sydney, Australia at a glance

As of Sep 21, 2026
30.6%Verified-email coverage
9.9Average contacts per company
11-50Median size (employees)
100.0%Largest-city concentration · Sydney
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
45
11-50
35
51-200
12
201-500
3
501-1,000
1

Email recency for this list is measured across the whole Australia list rather than for Sydney, so it is reported there. Company counts and contact totals on this page are exact for Sydney, over 96 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 outsourcing IT 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 Sydney, Australia whose own description of what they do matches “outsourcing IT 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 outsourcing IT 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 outsourcing IT companies, and records with no verified work email. Companies headquartered outside Sydney 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, 291 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 21, 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.

Outsourcing IT companies by metro in Australia

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 outsourcing IT 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 outsourcing IT companies are there based in Sydney, Australia?

RevenueBase identified 96 outsourcing IT companies headquartered in Sydney, 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?

Hammerjack, headquartered in Sydney, tops this list with the largest team on record.

Which city has the most outsourcing IT companies?

Sydney leads with 96 headquartered companies, followed by Melbourne (78) and Brisbane (31).

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 291 verified decision-maker contacts tracked across these 96 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 21, 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.