Company lists · Data refreshed September 2026

Top 25 Enterprise security consultants based in Australia

RevenueBase identified 625 enterprise security consultants headquartered in Australia as of September 2026 and tracks 4,118 professional contacts across them, including 1,545 with verified work emails. Sydney is the largest hub.

This list covers enterprise security 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 28, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
625Companies
4,118Contacts tracked
1,545Verified emails
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The 25 largest enterprise security consultants based in Australia

Ranked by team size
Top 25 of 625 enterprise security consultants based in Australia, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise security 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceBella Vista, AustraliaHQ checked Sep 28, 202651-200170 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceMelbourne, AustraliaHQ checked Sep 28, 202651-200123 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceAustraliaHQ checked Sep 28, 202651-200104 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidencePort Melbourne, AustraliaHQ checked Sep 28, 202651-20093 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
5Strong evidenceMelbourne, AustraliaHQ checked Sep 28, 202651-20062 contacts →

Strong evidence

“Skillfield is a Melbourne-born Cyber Security, AI and big data solutions provider and professional services consultancy.”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceMelbourne, AustraliaHQ checked Sep 28, 2026501-1,00061 contacts →

Indirect evidence

“Welcome to Ampion.”

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidenceCremorne, AustraliaHQ checked Sep 28, 202611-5057 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
8Strong evidenceMelbourne, AustraliaHQ checked Sep 28, 202651-20052 contacts →

Strong evidence

“SCG specialises in providing independent security and communications engineering, and security threat and risk consultancy services, to clients operating in challenging security…”

Source: RevenueBase Database · checked Sep 28, 2026
9Partial evidenceAdelaide, AustraliaHQ checked Sep 28, 202651-20042 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
10Partial evidenceSydney, AustraliaHQ checked Sep 28, 202611-5041 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
11Partial evidenceCanberra, AustraliaHQ checked Sep 28, 202651-20035 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceCremorne, AustraliaHQ checked Sep 28, 202651-20035 contacts →

Indirect evidence

“Good people solving important problems.”

Source: RevenueBase Database · checked Sep 28, 2026
13Partial evidenceSydney, AustraliaHQ checked Sep 28, 202611-5033 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
14Partial evidenceBrisbane, AustraliaHQ checked Sep 28, 202611-5032 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
15Partial evidenceSydney, AustraliaHQ checked Sep 28, 202611-5031 contacts →

Partial evidence

“CSO Group provides ICT security services and solutions to protect Australian businesses from advanced cyber threats.”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceNorth Sydney, AustraliaHQ checked Sep 28, 202611-5031 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
17Partial evidenceCanberra, AustraliaHQ checked Sep 28, 202651-20030 contacts →

Partial evidence

“The Cyber Capability team has extensive experience with many of our principal consultants having worked at senior levels in Federal and State governments and the commercial…”

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceMelbourne, AustraliaHQ checked Sep 28, 2026201-50029 contacts →

Partial evidence

“The Security Hub delivers a complete packaged security solution and a risk mitigation program to its clients.”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceMaroubra, AustraliaHQ checked Sep 28, 20261-1027 contacts →

Indirect evidence

“Streamline-Integrate-Create.”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceSydney, AustraliaHQ checked Sep 28, 202611-5026 contacts →

Indirect evidence

“Minimise the risk of a cybersecurity incident.”

Source: RevenueBase Database · checked Sep 28, 2026
21Partial evidenceMelbourne, AustraliaHQ checked Sep 28, 202611-5026 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
22Partial evidenceMelbourne, AustraliaHQ checked Sep 28, 202611-5025 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceSydney, AustraliaHQ checked Sep 28, 202611-5025 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceBarton, AustraliaHQ checked Sep 28, 202651-20024 contacts →

Indirect evidence

“CTO Group is now part of xAmplify.”

Source: RevenueBase Database · checked Sep 28, 2026
25Strong evidenceSydney, AustraliaHQ checked Sep 28, 202611-5023 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 625 enterprise security consultants based in Australia

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Enterprise security consultants based in Australia at a glance

As of Sep 28, 2026
37.5%Verified-email coverage
6.6Average contacts per company
1-10Median size (employees)
22.4%Largest-city concentration · Sydney
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
411
11-50
164
51-200
38
201-500
5
501-1,000
2
1,001-5,000
2

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 625 companies.

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 enterprise security 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 “enterprise security 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 enterprise security 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 enterprise security 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, 1,545 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 28, 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.

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 enterprise security 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 enterprise security consultants are there based in Australia?

RevenueBase identified 625 enterprise security 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?

Risk Associates - Emea & Asia, headquartered in Bella Vista, tops this list with the largest team on record.

Which city has the most enterprise security consultants?

Sydney leads with 140 headquartered companies, followed by Melbourne (122) and Brisbane (46).

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 1,545 verified decision-maker contacts tracked across these 625 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 28, 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.