Company lists · Data refreshed November 2026

Top 24 Infrastructure as a service security companies based in Australia

RevenueBase identified 377 company matches for infrastructure as a service security companies associated with Australia as of November 2026 and tracks 6,523 professional contacts across them, including 1,923 with verified work emails. Melbourne is the largest hub.

This list covers company matches for infrastructure as a service security 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 November 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 Nov 5, 2026 How this list was built
377Companies
6,523Contacts tracked
1,923Verified emails
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The 24 largest infrastructure as a service security companies based in Australia

Ranked by team size
Top 24 of 377 company matches for infrastructure as a service security companies based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 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 matchEssendon Fields, AustraliaHQ recorded Nov 5, 20265,001-10,0001,964 contacts →

Exact match

“At Wilson Security, we are committed to building a safer future for everyone.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchWest Ryde, AustraliaHQ recorded Nov 5, 20261,001-5,000558 contacts →

Exact match

“Founded in 1923, SNP is one of Australia’s leading security services providers with over 2,500 employees nationwide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchNorth Sydney, AustraliaHQ recorded Nov 5, 2026201-500241 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 · Nov 5, 2026 · View company records in RevenueBase
4Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202651-200121 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchFortitude Valley, AustraliaHQ recorded Nov 5, 202651-200106 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 · Nov 5, 2026 · View company records in RevenueBase
6Exact matchPort Melbourne, AustraliaHQ recorded Nov 5, 202651-20084 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchSydney, AustraliaHQ recorded Nov 5, 202651-20075 contacts →

Exact match

“Northbridge is an Australian-owned cybersecurity services provider with more than 25 years’ experience delivering engineered, integrated and fully managed security services to…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchSouthbank, AustraliaHQ recorded Nov 5, 202651-20071 contacts →

Exact match

“As entities across the world increasingly adopt cloud computing, they encounter new challenges with integrating, securing and managing hybrid infrastructure.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchSydney, AustraliaHQ recorded Nov 5, 202651-20058 contacts →

Exact match

“See tomorrow and stay ahead.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202651-20058 contacts →

Exact match

“Welcome to Fortis Security, founded in September of 2013, Fortis has grown year on year with customer support.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchWoollahra, AustraliaHQ recorded Nov 5, 202651-20056 contacts →

Exact match

“Combining the very best personnel, processes and technology, Premium Solutions will redefine your expectations of the security industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchMulgrave, AustraliaHQ recorded Nov 5, 202651-20044 contacts →

Exact match

“Clarity in a complex world.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchParramatta, AustraliaHQ recorded Nov 5, 202611-5044 contacts →

Exact match

“Empowering Small to Medium Businesses with Cloud, Security, and Automation.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchSydney, AustraliaHQ recorded Nov 5, 202611-5043 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 · Nov 5, 2026 · View company records in RevenueBase
15Exact matchAdelaide, AustraliaHQ recorded Nov 5, 202651-20041 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 · Nov 5, 2026 · View company records in RevenueBase
16Exact matchSydney, AustraliaHQ recorded Nov 5, 202611-5040 contacts →

Exact match

“Simplify Cloud Security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchCremorne, AustraliaHQ recorded Nov 5, 202651-20036 contacts →

Exact match

“Good people solving important problems.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchSydney, AustraliaHQ recorded Nov 5, 202611-5035 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchBrisbane, AustraliaHQ recorded Nov 5, 2026n/a35 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 · Nov 5, 2026 · View company records in RevenueBase
20Exact matchNorth Sydney, AustraliaHQ recorded Nov 5, 202611-5032 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 · Nov 5, 2026 · View company records in RevenueBase
21Exact matchSydney, AustraliaHQ recorded Nov 5, 202611-5027 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchAdelaide, AustraliaHQ recorded Nov 5, 202611-5024 contacts →

Exact match

“Arxis' mission is to secure our clients’ technology and empower their business.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchSydney Cbd, AustraliaHQ recorded Nov 5, 202611-5022 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchCanberra, AustraliaHQ recorded Nov 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 · Nov 5, 2026 · View company records in RevenueBase

Showing 24 of 377 infrastructure as a service security companies based in Australia

See the full list, filter by size, metro and specialty, and access 1,923 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure as a service security companies based in Australia at a glance

As of Nov 5, 2026
29.5%Verified-email coverage
17.3Average contacts per company
1-10Median size (employees)
21.2%Largest-city concentration · Melbourne
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
195
11-50
129
51-200
39
201-500
7
501-1,000
1
1,001-5,000
3
5,001-10,000
1

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 377 companies.

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 “infrastructure as a service security 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 1,923 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 November 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 “infrastructure as a service security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure as a service security companies are there based in Australia?

RevenueBase identified 377 company matches for infrastructure as a service security companies associated with Australia as of November 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?

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

Which city has the most infrastructure as a service security companies?

Melbourne leads with 80 company records, followed by Sydney (77) and Brisbane (26).

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 1,923 professional contacts with verified work emails tracked across these 377 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 November 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.