Company lists · Data verified August 2026
Top 22 AI cybersecurity companies based in Melbourne, Australia
There are 51 AI cybersecurity companies headquartered in Melbourne, Australia (RevenueBase, August 2026). RevenueBase tracks 922 professional contacts across them, including 286 with verified work emails and 24 with mobile numbers. Sydney is the largest hub.
This list covers AI cybersecurity companies headquartered in Melbourne, Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.
The 22 largest AI cybersecurity companies based in Melbourne, Australia
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 | 67 | |
| 2 | 89 | |
| 3 | 42 | |
| 4 | 41 | |
| 5 | 15 | |
| 6 | 2 | |
| 7 | 8 | |
| 8 | 4 | |
| 9 | 1 | |
| 10 | 3 | |
| 11 | 2 | |
| 12 | 1 | |
| 13 | 1 | |
| 14 | 2 | |
| 15 | 1 | |
| 16 | Pure.Security A Tesserent Company | 1 |
| 17 | 1 | |
| 18 | 1 | |
| 19 | 1 | |
| 20 | 1 | |
| 21 | 1 | |
| 22 | 1 |
Showing 22 of 51 AI cybersecurity companies based in Melbourne, Australia
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AI cybersecurity companies based in Melbourne, Australia at a glance
As of Aug 28, 2026Companies by employee count
AI cybersecurity companies by metro in Australia
| Metro | Companies |
|---|---|
| AI cybersecurity companies in Sydney | 69 |
| AI cybersecurity companies in Melbourne | 51 |
| AI cybersecurity companies in Brisbane | 25 |
| AI cybersecurity companies in Canberra | 16 |
| AI cybersecurity companies in Perth | 13 |
| AI cybersecurity companies in Brisbane City | 10 |
| AI cybersecurity companies in Adelaide | 10 |
How this list was built
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- Inclusion
- Companies whose own business descriptions match “AI cybersecurity companies”, with match quality audited by blind human judging, and headquartered in Melbourne, Australia.
- 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
- Contact records re-verify on a rolling cadence; 15 contacts on this list were re-verified in the last 30 days.
- Refresh
- Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.
Frequently asked
How many AI cybersecurity companies are there based in Melbourne, Australia?
There are 51 AI cybersecurity companies headquartered in Melbourne, Australia as of August 2026 (RevenueBase).
What is the largest company on this list?
PT Itsec Asia TBK, headquartered in Melbourne, tops this list with the largest team on record.
Which city has the most AI cybersecurity companies?
Sydney leads with 69 headquartered companies, followed by Melbourne (51) and Brisbane (25).
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 286 verified decision-maker contacts tracked across these 51 companies.
How current is this list?
The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.
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