Company lists · Data refreshed November 2026

Top 23 Defense systems integration consultants based in Australia

RevenueBase identified 251 company matches for defense systems integration consultants associated with Australia as of November 2026 and tracks 6,996 professional contacts across them, including 2,104 with verified work emails. Melbourne is the largest hub.

This list covers company matches for defense systems integration consultants 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 5, 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 5, 2026 How this list was built
251Companies
6,996Contacts tracked
2,104Verified emails
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The 23 largest defense systems integration consultants based in Australia

Ranked by team size
Top 23 of 251 company matches for defense systems integration consultants based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchScoresby, AustraliaHQ recorded Nov 5, 20261,001-5,0001,053 contacts →

Exact match

“Leidos is a Fortune 500® innovation company working to solve the world’s toughest challenges in government, intelligence, defence, aviation, border protection and health markets.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchSydney, AustraliaHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
3Exact matchMawson Lakes, AustraliaHQ recorded Nov 5, 2026501-1,000818 contacts →

Exact match

“Saab Australia is a prime systems integrator with decades of experience delivering complex defence and civil security projects.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchAdelaide, AustraliaHQ recorded Nov 5, 2026501-1,000617 contacts →

Exact match

“Built on 25 years of test and evaluation and engineering experience, Nova Systems designs, integrates and delivers complex programs for Defence, emergency services and civil…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchCanberra, AustraliaHQ recorded Nov 5, 2026501-1,000351 contacts →

Exact match

“Northrop Grumman Australia has been a trusted partner to Australia’s Defence community for over two decades.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchMelbourne, AustraliaHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
7Exact matchAdelaide, AustraliaHQ recorded Nov 5, 2026201-500162 contacts →

Exact match

“Servicing Defence and Enterprise with our unique expertise in #AI, Advanced Sensing and #Simulation, Aurizn’s purpose is to push the boundaries of the known to create a more…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchMulgrave, AustraliaHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
9Exact matchLane Cove West, AustraliaHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
10Exact matchSydney, AustraliaHQ recorded Nov 5, 202651-200109 contacts →

Exact match

“Delivering mission-critical digital infrastructure.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchPort Melbourne, AustraliaHQ recorded Nov 5, 2026201-500107 contacts →

Exact match

“SYPAQ is an innovative engineering and systems integration company, committed to creating a world that works, awarded the Australian Financial Review's "Most Innovative Company"…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchAdelaide, AustraliaHQ recorded Nov 5, 202651-20091 contacts →

Exact match

“DEFENCE | SPACE | TRANSPORT | ENERGY | INFRASTRUCTURE Shoal is complex systems design company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchCanberra, AustraliaHQ recorded Nov 5, 202651-20086 contacts →

Exact match

“Informatech is a veteran led business and specialises in ICT within Defence.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchCanberra, AustraliaHQ recorded Nov 5, 202651-20067 contacts →

Exact match

“a23 is a straight-talking, Australian-owned IT consulting firm focused on what matters most to government and business.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchFyshwick, AustraliaHQ recorded Nov 5, 202651-20066 contacts →

Exact match

“Digital61 are cloud systems and security integrators, dedicated to helping Government and Business unlock the Simplicity, Mobility and Security of the cloud.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchWetherill Park, AustraliaHQ recorded Nov 5, 202651-20062 contacts →

Exact match

“JD Security is an award-winning B2B systems integrator specialising in Security Systems, Video Surveillance, and Access Control.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchMyaree, AustraliaHQ recorded Nov 5, 202651-20060 contacts →

Exact match

“AVI provides technology-based solutions to government, defence, mining and corporate communities.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchMelbourne, AustraliaHQ recorded Nov 5, 2026501-1,00057 contacts →

Exact match

“Welcome to Ampion.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchBankstown, AustraliaHQ recorded Nov 5, 202651-20045 contacts →

Exact match

“The Team at H3C Plus have been providing Security Solutions for 10 years and have over 50 years of combined expertise in the Electronic Security Industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchSouthbank, AustraliaHQ recorded Nov 5, 202611-5041 contacts →

Exact match

“Genix Ventures helps government, education, and enterprise organisations transform complex operational processes into secure, intelligent, and scalable digital systems.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchBrisbane City, AustraliaHQ recorded Nov 5, 202611-5037 contacts →

Exact match

“C5 Technology is a premier IT systems integrator and professional services provider specialising in mission-critical networks, cyber security, and digital solutions for enterprise…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchSydney, AustraliaHQ recorded Nov 5, 202611-5029 contacts →

Exact match

“VECTEC is an Australian technology consultancy, integrator and managed service partner with operations in Sydney, Melbourne & Brisbane.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchCanberra, AustraliaHQ recorded Nov 5, 202611-5029 contacts →

Exact match

“JL2 Group is a team of specialists trusted by government, defence and industry to solve complex problems, deliver high-impact outcomes and build long-term capability.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 23 of 251 defense systems integration consultants based in Australia

See the full list, filter by size, metro and specialty, and access 2,104 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Defense systems integration consultants based in Australia at a glance

As of Nov 5, 2026
30.1%Verified-email coverage
27.9Average contacts per company
1-10Median size (employees)
14.3%Largest-city concentration · Melbourne
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
132
11-50
81
51-200
21
201-500
5
501-1,000
6
1,001-5,000
3
10001+
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 251 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 “defense systems integration consultants” 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 2,104 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 5, 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 “defense systems integration consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many defense systems integration consultants are there based in Australia?

RevenueBase identified 251 company matches for defense systems integration consultants 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?

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

Which city has the most defense systems integration consultants?

Melbourne leads with 36 company records, followed by Sydney (26) and Canberra (22).

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 2,104 professional contacts with verified work emails tracked across these 251 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 5, 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.