Company lists · Data refreshed September 2026

Top 25 Defense systems integration consultants based in Australia

Name: Defense systems integration consultants based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 1, 2026 192 companies tracked

RevenueBase identified 192 defense systems integration consultants headquartered in Australia as of September 2026 and tracks 4,894 professional contacts across them, including 1,585 with verified work emails and 281 with mobile numbers. Canberra is the largest hub.

This list covers defense systems integration consultants headquartered in 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 1, 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 RevenueBase Smart Search rating on every row Refreshed Sep 1, 2026 86% judged on-target in blind review

192Companies

4,894Contacts tracked

1,585Verified emails

281Mobile numbers

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The 25 largest defense systems integration consultants based in Australia

Ranked by team size

Top 25 of 192 defense systems integration consultants based in Australia, ranked by team size, largest first. Data refreshed Sep 1, 2026. RevenueBase Smart Search rates how each company's information relates to defense systems integration consultants: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Leidos Australia	Partial evidence	Scoresby, Australia	1,001-5,000	965 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 1, 2026
2	Saab Australia	Strong evidence	Rockingham, Australia	501-1,000	717 contacts →
	Strong evidence “Saab Australia is a prime systems integrator with decades of experience delivering complex defence and civil security projects.” Source: RevenueBase Database · checked Sep 1, 2026
3	Nova Systems	Strong evidence	Adelaide, Australia	501-1,000	597 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 1, 2026
4	VEGA	Indirect evidence	Sydney, Australia	501-1,000	372 contacts →
	Indirect evidence “VEGA is a global leader in audiovisual, collaboration, and dynamic display solutions, and it has been a preferred partner for our customers’ AV, collaboration, and display needs…” Source: RevenueBase Database · checked Sep 1, 2026
5	Northrop Grumman Australia	Partial evidence	Canberra, Australia	501-1,000	325 contacts →
	Partial evidence “Northrop Grumman Australia has been a trusted partner to Australia’s Defence community for over two decades.” Source: RevenueBase Database · checked Sep 1, 2026
6	Aurizn	Partial evidence	Adelaide, Australia	201-500	157 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 1, 2026
7	Renew IT	Strong evidence	Canning Vale, Australia	51-200	113 contacts →
	Strong evidence “Innovative Managed Services: Bridging Assets, Systems, and Security Welcome to Renew IT, your trusted partner in delivering comprehensive managed services, systems integration…” Source: RevenueBase Database · checked Sep 1, 2026
8	Sypaq Systems	Strong evidence	South Perth, Australia	201-500	99 contacts →
	Strong evidence “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"…” Source: RevenueBase Database · checked Sep 1, 2026
9	Informatech PTY LTD	Partial evidence	Canberra, Australia	51-200	90 contacts →
	Partial evidence “Informatech is a veteran led business and specialises in ICT within Defence.” Source: RevenueBase Database · checked Sep 1, 2026
10	Digital61	Partial evidence	Fyshwick, Australia	51-200	68 contacts →
	Partial evidence “Digital61 are cloud systems and security integrators, dedicated to helping Government and Business unlock the Simplicity, Mobility and Security of the cloud.” Source: RevenueBase Database · checked Sep 1, 2026
11	AVI PTY LTD	Partial evidence	Symonston, Australia	51-200	59 contacts →
	Partial evidence “AVI provides technology-based solutions to government, defence, mining and corporate communities.” Source: RevenueBase Database · checked Sep 1, 2026
12	4tel	Partial evidence	Newcastle, Australia	51-200	53 contacts →
	Partial evidence “4Tel Pty Ltd was formed in March as a management consultancy in the telecommunications sector.” Source: RevenueBase Database · checked Sep 1, 2026
13	Softel Systems	Indirect evidence	Melbourne, Australia	11-50	38 contacts →
	Indirect evidence “With over 20 years in the security market for IT and Telecommunications networks, Softel has naturally migrated these skills into the Cybersecurity challenges of today.” Source: RevenueBase Database · checked Sep 1, 2026
14	C5 Technology	Strong evidence	Brisbane City, Australia	11-50	35 contacts →
	Strong evidence “C5 Technology is a Brisbane-based IT consultancy company and systems integrator.” Source: RevenueBase Database · checked Sep 1, 2026
15	H3c Plus	Indirect evidence	Phillip, Australia	51-200	34 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 1, 2026
16	Blueforce	Partial evidence	Perth, Australia	11-50	28 contacts →
	Partial evidence “Established in August 2002, Blueforce is a leading integrator of security, safety, access control and surveillance systems.” Source: RevenueBase Database · checked Sep 1, 2026
17	CNG Systems	Partial evidence	Banyo, Australia	11-50	26 contacts →
	Partial evidence “We are a uniquely skilled group of engineers who design and implement a wide range of integrated telecommunication systems and technologies.” Source: RevenueBase Database · checked Sep 1, 2026
18	Controltech Building Technologies	Indirect evidence	Kensington, Australia	51-200	25 contacts →
	Indirect evidence “At Controltech, we follow one simple philosophy: to devote our talent and technology to creating superior products, services and solutions that contribute to improving building…” Source: RevenueBase Database · checked Sep 1, 2026
19	Rfteq PTY LTD	Partial evidence	Torrensville, Australia	11-50	22 contacts →
	Partial evidence “RFTEQ was founded in 2017 by partners with over 150 years of combined extensive global experience in the fields of defence related Electronic Warfare (EW), Force Protection…” Source: RevenueBase Database · checked Sep 1, 2026
20	Bti-Defence	Partial evidence	Darwin, Australia	201-500	22 contacts →
	Partial evidence “BTI Defence is an Indonesian headquartered defence procurement specialist.” Source: RevenueBase Database · checked Sep 1, 2026
21	Ocrt Consulting	Indirect evidence	Canberra, Australia	11-50	21 contacts →
	Indirect evidence “A strategy, intelligence and creative communications consulting firm, OCRT works with government and industry partners to design, develop and deliver scalable solutions.” Source: RevenueBase Database · checked Sep 1, 2026
22	Towers Group PTY LTD	Indirect evidence	Melbourne, Australia	51-200	21 contacts →
	Indirect evidence “Towers Group Pty Ltd is an Australian-owned, Melbourne-based professional services company established in 2013.” Source: RevenueBase Database · checked Sep 1, 2026
23	Jl2 Group	Partial evidence	Canberra, Australia	11-50	20 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 1, 2026
24	SAHR	Partial evidence	Adelaide, Australia	11-50	18 contacts →
	Partial evidence “SAHR is an Australian-owned professional services business providing niche consulting services to the Defence and National Security sector.” Source: RevenueBase Database · checked Sep 1, 2026
25	Security Centric	Indirect evidence	Sydney Cbd, Australia	11-50	16 contacts →
	Indirect evidence “Security Centric is a boutique specialist information security consulting and services organisation.” Source: RevenueBase Database · checked Sep 1, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: defense systems integration consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names defense systems integration consultants.
Partial evidence: Its own public description names part of defense systems integration consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name defense systems integration consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 192 defense systems integration consultants based in Australia

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Defense systems integration consultants based in Australia at a glance

As of Sep 1, 2026

32.4%Verified-email coverage

5.7%Mobile-number coverage

25.5Average contacts per company

1-10Median size (employees)

14.6%Largest-city concentration · Canberra

Sep 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

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 defense systems integration consultants, 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 Australia whose own description of what they do matches “defense systems integration consultants”. 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 defense systems integration consultants), 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 defense systems integration consultants, and records with no verified work email. Companies headquartered outside Australia 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, 1,585 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 1, 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.

Defense systems integration consultants by metro

Defense systems integration consultants in Canberra28

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 defense systems integration consultants, 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 defense systems integration consultants are there based in Australia?

RevenueBase identified 192 defense systems integration consultants headquartered in 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?

Leidos Australia, headquartered in Scoresby, tops this list with the largest team on record.

Which city has the most defense systems integration consultants?

Canberra leads with 28 headquartered companies, followed by Melbourne (21) and Brisbane (17).

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 1,585 verified decision-maker contacts tracked across these 192 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 1, 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.