Company lists · Data refreshed November 2026

Top 20 Systems integration contractors based in Australia

RevenueBase identified 1,077 company matches for systems integration contractors associated with Australia as of November 2026 and tracks 25,348 professional contacts across them, including 9,328 with verified work emails. Sydney is the largest hub.

This list covers company matches for systems integration contractors 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
1,077Companies
25,348Contacts tracked
9,328Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 20 largest systems integration contractors based in Australia

Ranked by team size
Top 20 of 1,077 company matches for systems integration contractors 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 matchSydney, AustraliaHQ recorded Nov 6, 20261,001-5,000832 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMacquarie Park, AustraliaHQ recorded Nov 6, 202610001+617 contacts →

Exact match

“DXC Technology (NYSE: DXC) is a leading enterprise technology and innovation partner delivering software, services, and solutions to global enterprises and public sector…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMelbourne, AustraliaHQ recorded Nov 6, 20261,001-5,000593 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchScoresby, AustraliaHQ recorded Nov 6, 20261,001-5,000524 contacts →

Exact match

“At Airmaster, our goal is to lead the way in integrated building services, combining HVAC & R, building automation, electrical, and fire systems to create smart buildings that are…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHendra, AustraliaHQ recorded Nov 6, 2026501-1,000379 contacts →

Exact match

“CV is a multi-disciplinary services provider delivering integrated solutions across infrastructure, construction, asset maintenance, power and signage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMelbourne, AustraliaHQ recorded Nov 6, 2026201-500265 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202651-200220 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHobart, AustraliaHQ recorded Nov 6, 202651-200185 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSydney, AustraliaHQ recorded Nov 6, 202610001+181 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202651-200169 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMacquarie Park, AustraliaHQ recorded Nov 6, 2026201-500140 contacts →

Exact match

“Efiniti Telecommunications Services is an Australian-owned company operating across the telecommunications, ICT, and consulting sectors, delivering specialist technical and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchScoresby, AustraliaHQ recorded Nov 6, 202651-200134 contacts →

Exact match

“Blue Connections IT is a leading Australian-owned provider of best-in-class IT solutions and managed services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchOsborne Park, AustraliaHQ recorded Nov 6, 202651-200129 contacts →

Exact match

“IT to smile about.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMulgrave, AustraliaHQ recorded Nov 6, 202651-200128 contacts →

Exact match

“As a leading information, communications and technology partner in Australia, we understand that having efficient and robust communications can mean the difference between success…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLane Cove West, AustraliaHQ recorded Nov 6, 202651-200125 contacts →

Exact match

“Innovative Managed Services: Bridging Assets, Systems, and Security Welcome to Renew IT, your trusted partner in delivering comprehensive managed services, systems integration…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMascot, AustraliaHQ recorded Nov 6, 202611-50124 contacts →

Exact match

“The Stallion Group can take care of all your project needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBibra Lake, AustraliaHQ recorded Nov 6, 2026201-500123 contacts →

Exact match

“MEP is an award-winning building services contractor specializing in multiple disciplines across the construction industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNorth Ryde, AustraliaHQ recorded Nov 6, 202651-200119 contacts →

Exact match

“Outcomex is an award winning advisor, devoted to providing intuitive solutions in information technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSydney, AustraliaHQ recorded Nov 6, 202651-200119 contacts →

Exact match

“We are a proud Member of the Global Technology Industry Association -GITA OUR SERVICES Avocado helps clients deliver with certainty on their complex IT change, with technology…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchPerth, AustraliaHQ recorded Nov 6, 202651-200112 contacts →

Exact match

“GTE Group is Perth's largest privately owned System Integrator/Electrical Engineering company.”

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

Showing 20 of 1,077 systems integration contractors based in Australia

See the full list, filter by size, metro and specialty, and access 9,328 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Systems integration contractors based in Australia at a glance

As of Nov 6, 2026
36.8%Verified-email coverage
23.5Average contacts per company
11-50Median size (employees)
17.1%Largest-city concentration · Sydney
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
525
11-50
394
51-200
109
201-500
16
501-1,000
9
1,001-5,000
8
5,001-10,000
1
10001+
5

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 1,077 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 “systems integration contractors” 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 9,328 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 “systems integration contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many systems integration contractors are there based in Australia?

RevenueBase identified 1,077 company matches for systems integration contractors 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?

NCS Group Australia tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most systems integration contractors?

Sydney leads with 184 company records, followed by Melbourne (170) and Perth (53).

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 9,328 professional contacts with verified work emails tracked across these 1,077 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.