Company lists · Data refreshed September 2026

Top 25 Enterprise cybersecurity services based in Melbourne, Australia

RevenueBase identified 180 enterprise cybersecurity services headquartered in Melbourne, Australia as of September 2026 and tracks 2,463 professional contacts across them, including 1,176 with verified work emails. Sydney is the largest hub.

This list covers enterprise cybersecurity services headquartered in Melbourne, 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 21, 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 21, 2026 86% judged on-target in blind review
180Companies
2,463Contacts tracked
1,176Verified emails
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The 25 largest enterprise cybersecurity services based in Melbourne, Australia

Ranked by team size
Top 25 of 180 enterprise cybersecurity services based in Melbourne, Australia, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise cybersecurity services: 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 evidenceMelbourne, AustraliaHQ checked Sep 21, 202651-200123 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
2Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 202651-20062 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 2026501-1,00061 contacts →

Indirect evidence

“Welcome to Ampion.”

Source: RevenueBase Database · checked Sep 21, 2026
4Partial evidenceMelbourne, AustraliaHQ checked Sep 21, 202651-20054 contacts →

Partial evidence

“ctrl:cyber is an Australian owned and operated cybersecurity partner delivering tailored end-to-end solutions for industry-leading organisations.”

Source: RevenueBase Database · checked Sep 21, 2026
5Partial evidenceMelbourne, AustraliaHQ checked Sep 21, 202651-20050 contacts →

Partial evidence

“DIMIYA Tech is a Melbourne, Australia based- global Cybersecurity and IT services provider supporting organizations that require secure, scalable, and high-performance technology…”

Source: RevenueBase Database · checked Sep 21, 2026
6Strong evidenceMelbourne, AustraliaHQ checked Sep 21, 202611-5028 contacts →

Strong evidence

“Welcome to BluBiz Solutions, an award-winning ICT Solutions and Managed Services provider with multi-domain expertise in Enterprise Networking, Cybersecurity, Cloud…”

Source: RevenueBase Database · checked Sep 21, 2026
7Partial evidenceMelbourne, AustraliaHQ checked Sep 21, 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 21, 2026
8Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 202611-5025 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 202611-5023 contacts →

Indirect evidence

“CSW-IT is a fast-paced, dynamic business that prides itself on building and nurturing business relationships with valued partners and customers alike.”

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 202611-5019 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 202611-5018 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 202611-5017 contacts →

Indirect evidence

“The ancient Greeks called using knowledge to achieve a practical good 'phronesis', or φρόνησῐς.”

Source: RevenueBase Database · checked Sep 21, 2026
13Strong evidenceMelbourne, AustraliaHQ checked Sep 21, 2026201-50017 contacts →

Strong evidence

“Tesserent provides enterprise-grade, tailored cybersecurity solutions to mid sized and enterprise level organisations across all industries and all levels of government in…”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 202651-20015 contacts →

Indirect evidence

“Morfit Group Consulting is a pure IT Consulting and Professional Services organisation.”

Source: RevenueBase Database · checked Sep 21, 2026
15Partial evidenceMelbourne, AustraliaHQ checked Sep 21, 202611-5015 contacts →

Partial evidence

“We use our hands-on, independent research to match you with the cybersecurity solution that will best achieve your goals.”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 202611-5013 contacts →

Indirect evidence

“We help organisations get better at Security Operations and Cyber Threat Intelligence with specialised consulting, engineering, and managed security platforms.”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 202611-5012 contacts →

Indirect evidence

“Expert-led penetration testing, supported by AI-assisted analysis, to uncover real weaknesses and strengthen systems against real-world threats.”

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 202611-5012 contacts →

Indirect evidence

“Forensic IT is a specialised cyber security firm with expertise in Digital Forensics and Incident Response (DFIR), and securing Industrial Control Systems (CIS).”

Source: RevenueBase Database · checked Sep 21, 2026
19Partial evidenceMelbourne, AustraliaHQ checked Sep 21, 202651-20012 contacts →

Partial evidence

“Secured Enterprise is a globally recognized pioneer in online cyber security that collaborate with businesses in Australia, Europe, South Africa, North America, and New Zealand.”

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 202611-5011 contacts →

Indirect evidence

“Information security and technology risk management consulting - at CyberRisk we design, implement and operate information security programs to allow you to reduce and manage your…”

Source: RevenueBase Database · checked Sep 21, 2026
21Partial evidenceMelbourne, AustraliaHQ checked Sep 21, 20261-1010 contacts →

Partial evidence

“We are passionate about building a world where every business is resilient to cybersecurity risks, no matter what their size.”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 20261-109 contacts →

Indirect evidence

“Managed technology solutions.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 202611-509 contacts →

Indirect evidence

“We’re a team of seasoned Cyber Security Specialists operating in Australia and the UK who help scaling businesses mature their cyber security.”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 202611-508 contacts →

Indirect evidence

“SOLSTAS is an expert information safety and security consultancy dedicated to providing a seamless data experience for all workplaces now and into the future.”

Source: RevenueBase Database · checked Sep 21, 2026
25Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 202611-508 contacts →

Indirect evidence

“KeyTrust is a leading IT Security Provider delivering complete Trusted e-Business Solutions to Corporate and Government sectors.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 180 enterprise cybersecurity services based in Melbourne, Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,176 reachable decision-makers.

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Enterprise cybersecurity services based in Melbourne, Australia at a glance

As of Sep 21, 2026
47.7%Verified-email coverage
13.7Average contacts per company
1-10Median size (employees)
106.1%Largest-city concentration · Sydney
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
110
11-50
48
51-200
17
201-500
3
501-1,000
1
1,001-5,000
1

Email recency for this list is measured across the whole Australia list rather than for Melbourne, so it is reported there. Company counts and contact totals on this page are exact for Melbourne, over 180 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 cybersecurity services, 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 Melbourne, Australia whose own description of what they do matches “enterprise cybersecurity services”. 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 cybersecurity services), 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 cybersecurity services, and records with no verified work email. Companies headquartered outside Melbourne 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, 1,176 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 21, 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 cybersecurity services, 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 cybersecurity services are there based in Melbourne, Australia?

RevenueBase identified 180 enterprise cybersecurity services headquartered in Melbourne, 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?

Triskele Labs, headquartered in Melbourne, tops this list with the largest team on record.

Which city has the most enterprise cybersecurity services?

Sydney leads with 191 headquartered companies, followed by Melbourne (180) and Brisbane (71).

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 1,176 verified decision-maker contacts tracked across these 180 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 21, 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.