Company lists · Data refreshed September 2026

Top 25 Network security consulting companies based in Australia

RevenueBase identified 417 company matches for network security consulting companies associated with Australia as of September 2026 and tracks 2,670 professional contacts across them, including 957 with verified work emails and 149 with mobile numbers. Melbourne is the largest hub.

This list covers company matches for network security consulting companies 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 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 Sep 5, 2026 How this list was built
417Companies
2,670Contacts tracked
957Verified emails
149Mobile numbers
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The 25 largest network security consulting companies based in Australia

Ranked by team size
Top 25 of 417 company matches for network security consulting companies based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 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 matchMelbourne, AustraliaHQ recorded Sep 5, 202651-200123 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
2Exact matchCremorne, AustraliaHQ recorded Sep 5, 202611-5057 contacts →

Exact match

“IPSec are specialists in information asset and cyber protection; security experts who know how to mitigate cyber risk by assisting in the protection of valuable intelligence…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
3Exact matchMelbourne, AustraliaHQ recorded Sep 5, 202651-20047 contacts →

Exact match

“Our mission is to help our clients protect their assets, reputation, and customers from cyber threats, while also enabling them to embrace digital transformation and innovation…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
4Exact matchAdelaide, AustraliaHQ recorded Sep 5, 202651-20042 contacts →

Exact match

“Vectra, an Ensign company, is Australia’s trusted partner for security consulting, risk management, compliance, and managed services.”

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

Exact match

“Seccom Global - The Cyber Security Company Providing excellence in service to educate, connect and protect your business Founded in 2003, Seccom Global is recognised as a leader…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
6Exact matchCanberra, AustraliaHQ recorded Sep 5, 202651-20035 contacts →

Exact match

“When it comes to security there's no shortage of companies ready to tell you about your vulnerabilities.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
7Exact matchCremorne, AustraliaHQ recorded Sep 5, 202651-20035 contacts →

Exact match

“Good people solving important problems.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
8Exact matchDocklands, AustraliaHQ recorded Sep 5, 2026501-1,00034 contacts →

Exact match

“Originally founded in Netpoleon Group has become a leading provider of integrated security, networking solutions and value added services throughout the APAC region.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
9Exact matchSydney, AustraliaHQ recorded Sep 5, 202611-5033 contacts →

Exact match

“NSB Cyber is an Australian-founded, privately owned cyber security company based in Sydney.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
10Exact matchBrisbane, AustraliaHQ recorded Sep 5, 2026n/a33 contacts →

Exact match

“Founded by Sohail Ershadi, a distinguished cybersecurity expert with over a decade of experience in the IT industry, CyberXcel has rapidly emerged as a leader in cybersecurity…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
11Exact matchBrisbane, AustraliaHQ recorded Sep 5, 202611-5032 contacts →

Exact match

“Division 5 is focused on building long-term relationships with our clients as their trusted cyber security advisor.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
12Exact matchNorth Sydney, AustraliaHQ recorded Sep 5, 202611-5031 contacts →

Exact match

“At Excite Cyber, we envision a world where businesses can fearlessly embrace technology and leverage the best cyber expertise for robust, outcome-focused solutions.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
13Exact matchSydney, AustraliaHQ recorded Sep 5, 202611-5026 contacts →

Exact match

“Minimise the risk of a cybersecurity incident.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
14Exact matchMelbourne, AustraliaHQ recorded Sep 5, 202611-5026 contacts →

Exact match

“About Us - Australia’s leading cybersecurity specialist, delivering comprehensive protection by Australian-based consultants only-no offshore teams- 100% cybersecurity-focused…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
15Exact matchMelbourne, AustraliaHQ recorded Sep 5, 202611-5025 contacts →

Exact match

“Fortian is a leading Australian company specialising in cyber security, privacy, and technology risk management.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
16Exact matchSydney, AustraliaHQ recorded Sep 5, 202611-5025 contacts →

Exact match

“For most organisations in Australia, a data breach can be more than a PR disaster, it could be the final chapter.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
17Exact matchSydney, AustraliaHQ recorded Sep 5, 202611-5023 contacts →

Exact match

“SilentGrid is an offensive security consultancy with a focus on adversary simulation and penetration testing.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
18Exact matchCanberra, AustraliaHQ recorded Sep 5, 20261-1020 contacts →

Exact match

“Cyconsol is an Australian based professional service provider specialising in the delivery of cyber security and IT related business consulting and training services.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
19Exact matchSouth Melbourne, AustraliaHQ recorded Sep 5, 202611-5020 contacts →

Exact match

“SureCity Networks is an Australian Cybersecurity firm with offices in Melbourne, Sydney, Brisbane and the UK, trusted by enterprises globally.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
20Exact matchRedfern, AustraliaHQ recorded Sep 5, 202611-5020 contacts →

Exact match

“Respiro – Network, Security & Workplace Architecture Experts Respiro designs, implements and supports secure network, cybersecurity and workplace technology architectures for…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
21Exact matchMelbourne, AustraliaHQ recorded Sep 5, 202611-5019 contacts →

Exact match

“We provide offensive cyber security services to world leading organisations.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
22Exact matchMelbourne, AustraliaHQ recorded Sep 5, 202611-5018 contacts →

Exact match

“CyberSecOn is an Information security company with a presence in Australia, USA and India.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
23Exact matchSydney Cbd, AustraliaHQ recorded Sep 5, 202611-5017 contacts →

Exact match

“Security Centric is a boutique specialist information security consulting and services organisation.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
24Exact matchTullamarine, AustraliaHQ recorded Sep 5, 202611-5017 contacts →

Exact match

“Zynet is an Australian cyber security and IT services provider with more than 25 years of experience protecting organisations and keeping critical systems running.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
25Exact matchSydney, AustraliaHQ recorded Sep 5, 202611-5017 contacts →

Exact match

“CISO Online™ specialises in Cyber Security, Governance, Risk & Compliance (GRC), and Secure AI adoption for government agencies, large enterprises, and SMBs across Australia and…”

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

Showing 25 of 417 network security consulting companies based in Australia

See the full list, filter by size, metro and specialty, and access 957 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Network security consulting companies based in Australia at a glance

As of Sep 5, 2026
35.8%Verified-email coverage
5.6%Mobile-number coverage
6.4Average contacts per company
1-10Median size (employees)
21.3%Largest-city concentration · Melbourne
Sep 5, 2026Page data refreshed

Companies by employee count

1-10
275
11-50
113
51-200
24
201-500
3
501-1,000
1

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 “network security consulting companies” 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 957 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 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 “network security consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many network security consulting companies are there based in Australia?

RevenueBase identified 417 company matches for network security consulting companies 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?

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

Which city has the most network security consulting companies?

Melbourne leads with 89 company records, followed by Sydney (88) and Brisbane (32).

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 957 professional contacts with verified work emails tracked across these 417 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 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.