Company lists · Data verified August 2026

Top 25 Cloud security operations companies based in Australia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 121 companies tracked

There are 121 cloud security operations companies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 2,866 professional contacts across them, including 1,163 with verified work emails and 162 with mobile numbers. Sydney is the largest hub.

This list covers cloud security operations 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.

121Companies

2,866Contacts tracked

1,163Verified emails

162Mobile numbers

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The 25 largest cloud security operations companies based in Australia

Ranked by team size

Top 25 of 121 cloud security operations 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	Cloud4c Services	Melbourne	1,001-5,000	1,591	679
2	Glueckkanja AG	Sydney	201-500	201	72
3	Aucyber	Fortitude Valley	51-200	105	5
4	Advent ONE	Crows Nest	51-200	67	44
5	Vault Cloud	Canberra	51-200	64	37
6	Sixth Force	Tarneit	51-200	64	18
7	Idea 11	Sydney	51-200	57	34
8	Parallo	Melbourne	51-200	54	32
9	Slipstream Cyber	St Leonards	11-50	42	28
10	Vectra	Melbourne	51-200	42	19
11	Plerion	Sydney	11-50	38	18
12	Astralas	Cremorne	51-200	35	20
13	Ultimate IT Services	Rydalmere	11-50	32	6
14	Global Storage	n/a	11-50	31	2
15	Cybernara	Adelaide	11-50	29	5
16	Datcom Cloud	North Geelong	11-50	26	12
17	Threatdefence	Sydney	11-50	24	17
18	Zettagrid	Adelaide	51-200	20	19
19	Sinevis	n/a	11-50	17	6
20	Drgroup	Prospect	11-50	15	5
21	Cosive	Melbourne	11-50	14	8
22	Aera Cloud And Security Group	Alexandria	51-200	11	1
23	Cyber Audit Team	South East Queensland	11-50	10	5
24	Crawford IT	Adelaide	11-50	8	6
25	Haylix	Melbourne	11-50	8	6

Showing 25 of 121 cloud security operations companies based in Australia

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Cloud security operations companies based in Australia at a glance

As of Aug 28, 2026

11-50Median size (employees)

SydneyLargest hub · 32 HQs

162Contacts with mobile numbers

6Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Cloud security operations companies by metro

Metro	Companies
Cloud security operations companies in Sydney	32
Cloud security operations companies in Melbourne	27
Cloud security operations companies in Adelaide	6
Cloud security operations companies in Brisbane	6
Cloud security operations companies in Perth	5
Cloud security operations companies in Canberra	3
Cloud security operations 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 security operations 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; 6 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 security operations companies are there based in Australia?

There are 121 cloud security operations companies headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

Cloud4c Services, headquartered in Melbourne, tops this list with the largest team on record.

Which city has the most cloud security operations companies?

Sydney leads with 32 headquartered companies, followed by Melbourne (27) and Adelaide (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 1,163 verified decision-maker contacts tracked across these 121 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.