Company lists · Data refreshed September 2026

Top 25 Cybersecurity consultancies based in Australia

RevenueBase identified 2,190 company matches for cybersecurity consultancies associated with Australia as of September 2026 and tracks 22,658 professional contacts across them, including 9,682 with verified work emails and 1,266 with mobile numbers. Sydney is the largest hub.

This list covers company matches for cybersecurity consultancies 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 24, 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 24, 2026 How this list was built
2,190Companies
22,658Contacts tracked
9,682Verified emails
1,266Mobile numbers
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The 25 largest cybersecurity consultancies based in Australia

Ranked by team size
Top 25 of 2,190 company matches for cybersecurity consultancies based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 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 Sep 24, 2026501-1,000777 contacts →

Exact match

“Nexon Asia Pacific (Nexon) is an award-winning digital consulting and managed services partner for mid-market, enterprise, and government organisations across Australia.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
2Exact matchCoburg, AustraliaHQ recorded Sep 24, 2026201-500352 contacts →

Exact match

“We are an Australian-owned, full-service ICT Solutions and Cyber Security provider with a locally based team of over 450 passionate Aussies.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
3Exact matchNorth Sydney, AustraliaHQ recorded Sep 24, 2026201-500222 contacts →

Exact match

“For over 28 years, The Missing Link has been a trusted technology partner to enterprise, government and high-growth businesses across Australia.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
4Exact matchSydney, AustraliaHQ recorded Sep 24, 2026201-500179 contacts →

Exact match

“Tecala is an award-winning Australian technology partner, helping mid-market organisations navigate complexity and accelerate transformation with confidence.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
5Exact matchBella Vista, AustraliaHQ recorded Sep 24, 202651-200170 contacts →

Exact match

“Ensuring your business is handling cyber security risks effectively has never been more important.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
6Exact matchSydney, AustraliaHQ recorded Sep 24, 2026201-500167 contacts →

Exact match

“Virtual IT Group is Australia & New Zealand's leading managed IT cybersecurity provider.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
7Exact matchMelbourne, AustraliaHQ recorded Sep 24, 202651-200154 contacts →

Exact match

“CPT Global is your independent partner for achieving peak IT performance.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
8Exact matchMelbourne, AustraliaHQ recorded Sep 24, 202651-200123 contacts →

Exact match

“Triskele Labs is one of Australia’s fastest growing cybersecurity companies.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9Exact matchSydney, AustraliaHQ recorded Sep 24, 2026201-500122 contacts →

Exact match

“Infotrust (ITS) is Australia’s leading cyber security and managed technology services provider listed on the ASX.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
10Exact matchNorth Ryde, AustraliaHQ recorded Sep 24, 202651-200115 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
11Exact matchLane Cove West, AustraliaHQ recorded Sep 24, 202651-200115 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 · Sep 24, 2026 · View company records in RevenueBase
12Exact matchOsborne Park, AustraliaHQ recorded Sep 24, 202651-200114 contacts →

Exact match

“IT to smile about.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
13Exact matchMelbourne, AustraliaHQ recorded Sep 24, 202651-200113 contacts →

Exact match

“Your Trusted Partner in Digital Transformation and Communications Technology 30 Years of Innovation And Expertise GQI has been a trusted advisor and professional services provider…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
14Exact matchMelbourne, AustraliaHQ recorded Sep 24, 202651-200113 contacts →

Exact match

“OneStep Group is Australia’s trusted leader in ICT, cyber security, and Microsoft solutions.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
15Exact matchMascot, AustraliaHQ recorded Sep 24, 2026501-1,000111 contacts →

Exact match

“New Era delivers Technology Solutions that securely connect people, places, and information in a rapidly changing digital world.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
16Exact matchFortitude Valley, AustraliaHQ recorded Sep 24, 202651-200107 contacts →

Exact match

“AUCyber is a leading Australian cyber security and secure cloud provider, specialising in supporting businesses and Governments with the latest cloud infrastructure, backup and…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
17Exact matchSurry Hills, AustraliaHQ recorded Sep 24, 202651-200106 contacts →

Exact match

“Welcome to Ericom, Australia’s leading technology solutions provider.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
18Exact matchAustraliaHQ recorded Sep 24, 202651-200104 contacts →

Exact match

“Sekuro is a cyber security and digital resiliency solutions provider that helps CIOs and CISOs take a strategic approach to cyber security risk mitigation and building business…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
19Exact matchWest Perth, AustraliaHQ recorded Sep 24, 202651-200102 contacts →

Exact match

“We are your IT & Cyber Security partners.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
20Exact matchKingsgrove, AustraliaHQ recorded Sep 24, 2026201-500101 contacts →

Exact match

“ARA Security delivers turnkey security solutions to a number of industries across Australia.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
21Exact matchVic, AustraliaHQ recorded Sep 24, 202651-20096 contacts →

Exact match

“Advance Vision Technology (AVTech) is a leading managed service provider with a focus on cyber-security, ‘making IT Happen’ for our customers since 1992.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
22Exact matchPort Melbourne, AustraliaHQ recorded Sep 24, 202651-20093 contacts →

Exact match

“Australia’s cyber-first Managed Service Provider and true technology partner.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
23Exact matchSydney, AustraliaHQ recorded Sep 24, 202651-20090 contacts →

Exact match

“With a proven track record of 30 years, experteq is a proudly Australian IT company that combines the strengths of two storied brands – TAS and Experteq – to deliver outstanding…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
24Exact matchDocklands, AustraliaHQ recorded Sep 24, 202651-20090 contacts →

Exact match

“As a well-established, specialist Technology Solutions provider, we have offices throughout the Asia-Pacific (APAC) region; all there to help you with your technology needs and to…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
25Exact matchDocklands, AustraliaHQ recorded Sep 24, 202651-20089 contacts →

Exact match

“Oreta is an Australian technology company helping organisations cut through complexity and achieve real business outcomes across cloud, cybersecurity, networking, and digital…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase

Showing 25 of 2,190 cybersecurity consultancies based in Australia

See the full list, filter by size, metro and specialty, and access 9,682 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity consultancies based in Australia at a glance

As of Sep 24, 2026
42.7%Verified-email coverage
5.6%Mobile-number coverage
10.3Average contacts per company
1-10Median size (employees)
18.6%Largest-city concentration · Sydney
Sep 24, 2026Page data refreshed

Companies by employee count

1-10
1,356
11-50
639
51-200
144
201-500
22
501-1,000
10
1,001-5,000
7
5,001-10,000
2
10001+
1

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 26.0d

Company record updated

Median 76.0d

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 “cybersecurity consultancies” 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 9,682 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 24, 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 “cybersecurity consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity consultancies are there based in Australia?

RevenueBase identified 2,190 company matches for cybersecurity consultancies 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?

Nexon Asia Pacific tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most cybersecurity consultancies?

Sydney leads with 408 company records, followed by Melbourne (383) and Brisbane (144).

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 9,682 professional contacts with verified work emails tracked across these 2,190 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 24, 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.