Company lists · Data verified August 2026

Top 25 Cloud infrastructure security companies based in Australia

Name: Cloud infrastructure 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 101 companies tracked

There are 101 cloud infrastructure security companies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 1,267 professional contacts across them, including 452 with verified work emails and 125 with mobile numbers. Sydney is the largest hub.

This list covers cloud infrastructure 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.

101Companies

1,267Contacts tracked

452Verified emails

125Mobile numbers

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The 25 largest cloud infrastructure security companies based in Australia

Ranked by team size

Top 25 of 101 cloud infrastructure 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	Triskele Labs	Melbourne	51-200	123	89
3	Aucyber	Fortitude Valley	51-200	105	5
4	Digital61	Fyshwick	51-200	68	56
5	Entersoft Security	Brisbane	51-200	63	20
6	Seccom Global	Sydney	11-50	41	30
7	Plerion	Sydney	11-50	38	18
8	Astralas	Cremorne	51-200	35	20
9	Cyberxcel	Brisbane	n/a	33	1
10	Cybernara	Adelaide	11-50	29	5
11	Datcom Cloud	North Geelong	11-50	26	12
12	CBR Cyber A Brennan Company	Forrest	11-50	19	19
13	Cybersecon	Melbourne	11-50	18	6
14	Sinevis	n/a	11-50	17	6
15	Securelink Networks LTD	Sydney	51-200	14	9
16	Spartans Security	Cremorne	11-50	14	8
17	Rackcorp	Sydney	11-50	12	4
18	Aera Cloud And Security Group	Alexandria	51-200	11	1
19	Cyber Audit Team	South East Queensland	11-50	10	5
20	Cyberhub Group	Sydney	11-50	9	3
21	Haylix	Melbourne	11-50	8	6
22	Nforceit	Vermont South	1-10	8	3
23	Argos Cloud Security	Geelong	1-10	8	1
24	Emantra	Brisbane	11-50	7	2
25	Databl	Perth	11-50	6	5

Showing 25 of 101 cloud infrastructure security companies based in Australia

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Cloud infrastructure security companies based in Australia at a glance

As of Aug 28, 2026

11-50Median size (employees)

SydneyLargest hub · 24 HQs

125Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Cloud infrastructure security companies by metro

Metro	Companies
Cloud infrastructure security companies in Sydney	24
Cloud infrastructure security companies in Melbourne	18
Cloud infrastructure security companies in Brisbane	6
Cloud infrastructure security companies in Perth	5
Cloud infrastructure security companies in Adelaide	4
Cloud infrastructure security companies in Docklands	2
Cloud infrastructure security companies in Fyshwick	2

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 infrastructure 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; 2 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 infrastructure security companies are there based in Australia?

There are 101 cloud infrastructure 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 infrastructure security companies?

Sydney leads with 24 headquartered companies, followed by Melbourne (18) and Brisbane (6).

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 452 verified decision-maker contacts tracked across these 101 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.