Company lists · Data refreshed September 2026
Top 25 Network security consulting firms based in Melbourne, Australia
RevenueBase identified 134 network security consulting firms headquartered in Melbourne, Australia as of September 2026 and tracks 2,159 professional contacts across them, including 1,031 with verified work emails. Sydney is the largest hub.
This list covers network security consulting firms 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, how directly it supports the match, and when it was last checked. 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.
The 25 largest network security consulting firms based in Melbourne, Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 123 | ||||
“Triskele Labs is one of Australia’s fastest growing cybersecurity companies.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 62 | ||||
“Skillfield is a Melbourne-born Cyber Security, AI and big data solutions provider and professional services consultancy.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 61 | ||||
“Welcome to Ampion.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 50 | ||||
“DIMIYA Tech is a Melbourne, Australia based- global Cybersecurity and IT services provider supporting organizations that require secure, scalable, and high-performance technology…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 30 | ||||
“Digital Frontier Partners is a trusted advisory firm that specialises in helping organisations harness the power of digital transformation, IT strategy, and cybersecurity.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 26 | ||||
“About Us - Australia’s leading cybersecurity specialist, delivering comprehensive protection by Australian-based consultants only-no offshore teams- 100% cybersecurity-focused…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 25 | ||||
“Fortian is a leading Australian company specialising in cyber security, privacy, and technology risk management.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 18 | ||||
“CyberSecOn is an Information security company with a presence in Australia, USA and India.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 15 | ||||
“Morfit Group Consulting is a pure IT Consulting and Professional Services organisation.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 13 | ||||
“We help organisations get better at Security Operations and Cyber Threat Intelligence with specialised consulting, engineering, and managed security platforms.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 12 | ||||
“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: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 11 | ||||
“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: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 10 | ||||
“As an Australian based cyber security partner, we work with enterprises to protect what matters most and stay ahead of evolving threats.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | SolstasPartial evidence | 8 | |||
“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: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 8 | ||||
“Cyber Range, SOC designing and implementation, risk and security assessment.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 7 | ||||
“Operating from Melbourne, Australia, we offer security testing and training for Australia and specialised remote testing for countries including Ireland, the United Kingdom, the…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 5 | ||||
“Secure computing and digital security transformation.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 5 | ||||
“ITSEC Australia & New Zealand helps organisations build resilience across IT, OT, and IoT environments.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 5 | ||||
“With a singular focus on "Information Security", Trusted Impact prides itself on delivering demonstrable business outcomes by applying an independent perspective and by leveraging…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | 5 | ||||
“At CyberZone Global, we provide expert cyber advisory, security testing, consulting, Artificial Intelligence and cyber security training services tailored to your organisation’s…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 5 | ||||
“At Trinity we are dedicated to providing our clients with the best possible customer experience while ensuring their safety and security in the digital world.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 5 | ||||
“Secure Alley is an IT and cybersecurity company built for the realities of today’s AI-driven digital landscape.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 5 | ||||
“Cyber Forte is an Australian owned Cyber Security company with headquarters in Melbourne.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 4 | ||||
“Guiding forward-thinking businesses through the digital age with specialised IT management and cyber security defences” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | Spiral Systems AustraliaStrong evidence | 3 | |||
“We are a Melbourne-based boutique consulting firm specialised in Systems/Software Engineering, Cyber Security and ICT Project Management for Defence, Aerospace and…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 134 network security consulting firms based in Melbourne, Australia
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Network security consulting firms based in Melbourne, Australia at a glance
As of Sep 5, 2026Companies by employee count
Email recency for this list is measured across the whole Australia list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Melbourne, over 134 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 network security consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 “network security consulting firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among network security consulting firms, 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 an evidence 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, 1,031 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 5, 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.
Network security consulting firms by metro in Australia
- Network security consulting firms in Sydney141
- Network security consulting firms in Melbourne134
- Network security consulting firms in Brisbane53
- Network security consulting firms in Canberra38
- Network security consulting firms in Perth31
Frequently asked
How many network security consulting firms are there based in Melbourne, Australia?
RevenueBase identified 134 network security consulting firms 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 network security consulting firms?
Sydney leads with 141 headquartered companies, followed by Melbourne (134) and Brisbane (53).
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 1,031 verified decision-maker contacts tracked across these 134 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 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.
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