Company lists · Data verified August 2026

Top 25 Aerospace cybersecurity companies based in Australia

Name: Aerospace cybersecurity companies based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 47 companies tracked

There are 47 aerospace cybersecurity companies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 404 professional contacts across them, including 207 with verified work emails and 22 with mobile numbers. Sydney is the largest hub.

This list covers aerospace cybersecurity 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.

47Companies

404Contacts tracked

207Verified emails

22Mobile numbers

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The 25 largest aerospace cybersecurity companies based in Australia

Ranked by team size

Top 25 of 47 aerospace cybersecurity 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	Ipsec PTY LTD	Cremorne	11-50	57	35
2	Cythera	Cbd	11-50	42	26
3	Bluerydge	Fyshwick	51-200	39	28
4	Softel Systems	Melbourne	11-50	38	26
5	Ionize	Canberra	51-200	34	26
6	Cyberxcel	Brisbane	n/a	33	1
7	Sinevis	n/a	11-50	17	6
8	Spartans Security	Cremorne	11-50	14	8
9	Secgenx	n/a	11-50	14	6
10	Cyberops PTY LTD	Adelaide	1-10	12	8
11	Cleared	Canberra	11-50	11	9
12	Penten	n/a	51-200	7	5
13	Databl	Perth	11-50	6	5
14	D2unet PTY LTD	Sydney	1-10	6	2
15	Fort1 PTY LTD	Sydney	1-10	5	2
16	Athlan Technologies	Melbourne	11-50	4	1
17	Technetics Cyber Security	South Melbourne	1-10	3	2
18	Sicarius	Melbourne	1-10	3	2
19	Stratus Security	Melbourne	1-10	3	1
20	Dgplex	Canberra	1-10	2	2
21	Southern Cyber	Adelaide	11-50	2	1
22	Securatech Electronic Security	n/a	1-10	2	1
23	Cell Cyber	West Perth	1-10	2	1
24	Klein & Co. A Cybercx Company	Sydney	201-500	1	1
25	Tenaxis	Sydney	1-10	1	1

Showing 25 of 47 aerospace cybersecurity companies based in Australia

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Aerospace cybersecurity companies based in Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 10 HQs

22Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Aerospace cybersecurity companies by metro

Metro	Companies
Aerospace cybersecurity companies in Sydney	10
Aerospace cybersecurity companies in Melbourne	8
Aerospace cybersecurity companies in Canberra	5
Aerospace cybersecurity companies in Brisbane	4
Aerospace cybersecurity companies in Adelaide	3
Aerospace cybersecurity companies in Perth	3
Aerospace cybersecurity companies in Cremorne	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 “aerospace cybersecurity 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; 0 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 aerospace cybersecurity companies are there based in Australia?

There are 47 aerospace cybersecurity companies headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

Ipsec PTY LTD, headquartered in Cremorne, tops this list with the largest team on record.

Which city has the most aerospace cybersecurity companies?

Sydney leads with 10 headquartered companies, followed by Melbourne (8) and Canberra (5).

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 207 verified decision-maker contacts tracked across these 47 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.