Company lists · Data verified August 2026

Top 17 Cloud network security companies based in Australia

Name: Cloud network security companies based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 44 companies tracked

There are 44 cloud network security companies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 579 professional contacts across them, including 176 with verified work emails and 97 with mobile numbers. Sydney is the largest hub.

This list covers cloud network security companies headquartered in 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.

44Companies

579Contacts tracked

176Verified emails

97Mobile numbers

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The 17 largest cloud network security companies based in Australia

Ranked by team size

Top 17 of 44 cloud network security companies based in Australia, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Webroot	Chatswood	501-1,000	199	75
2	Aucyber	Fortitude Valley	51-200	105	5
3	Plerion	Sydney	11-50	38	18
4	Astralas	Cremorne	51-200	35	20
5	Cyberxcel	Brisbane	n/a	33	1
6	CBR Cyber A Brennan Company	Forrest	11-50	19	19
7	Surecity Networks	South Melbourne	11-50	19	12
8	Securelink Networks LTD	Sydney	51-200	14	9
9	Networx Australia	Waterloo	11-50	11	5
10	Aera Cloud And Security Group	Alexandria	51-200	11	1
11	Cyberhub Group	Sydney	11-50	9	3
12	Cogniso	Sydney	11-50	3	1
13	Cynterra	Canberra Airport	11-50	3	1
14	Zecureright PTY LTD	Melbourne	11-50	3	1
15	Aucloud	Fyshwick	51-200	2	2
16	Undark Solutions Undark.io	Sydney	1-10	2	2
17	Bizc IT	Jannali	1-10	1	1

Showing 17 of 44 cloud network security companies based in Australia

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Cloud network security companies based in Australia at a glance

As of Aug 28, 2026

11-50Median size (employees)

SydneyLargest hub · 13 HQs

97Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

Cloud network security companies by metro

Metro	Companies
Cloud network security companies in Sydney	13
Cloud network security companies in Melbourne	7
Cloud network security companies in Perth	2
Cloud network security companies in Brisbane	2
Cloud network security companies in Fortitude Valley	1
Cloud network security companies in South Melbourne	1
Cloud network security companies in Fyshwick	1
Cloud network security companies in Waterloo	1

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 “cloud network security companies”, with match quality audited by blind human judging, and headquartered in 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; 1 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 cloud network security companies are there based in Australia?

There are 44 cloud network security companies headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

Webroot, headquartered in Chatswood, tops this list with the largest team on record.

Which city has the most cloud network security companies?

Sydney leads with 13 headquartered companies, followed by Melbourne (7) and Perth (2).

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 176 verified decision-maker contacts tracked across these 44 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.