Company lists · Data verified August 2026

Top 25 Api security companies based in Sydney, Australia

Name: Api security companies based in Sydney, Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 54 companies tracked

There are 54 api security companies headquartered in Sydney, Australia (RevenueBase, August 2026). RevenueBase tracks 385 professional contacts across them, including 160 with verified work emails and 13 with mobile numbers. Sydney is the largest hub.

This list covers api security companies headquartered in Sydney, 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.

54Companies

385Contacts tracked

160Verified emails

13Mobile numbers

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The 25 largest api security companies based in Sydney, Australia

Ranked by team size

Top 25 of 54 api security companies based in Sydney, 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	Seccom Global	Sydney	11-50	41	30
2	Fortian	Sydney	11-50	26	20
3	Gridware	Sydney	11-50	25	10
4	Beyond Data	Sydney	11-50	25	8
5	Borderless CS	Sydney	11-50	25	5
6	Silentgrid Security	Sydney	11-50	22	12
7	Threat Intelligence	Sydney	11-50	19	1
8	Intrix Cyber Security	Sydney	11-50	16	6
9	Skylight Cyber Security	Sydney	11-50	15	12
10	Diesec	Sydney	51-200	15	9
11	Sentaris	Sydney	11-50	14	9
12	Morrisec	Sydney	11-50	14	4
13	Cyberhub Group	Sydney	11-50	9	3
14	Cybra Security	Sydney	1-10	9	2
15	DVULN	Sydney	1-10	7	4
16	Iqbox PTY LTD	Sydney	11-50	7	1
17	D2unet PTY LTD	Sydney	1-10	6	2
18	Cyberlinx	Sydney	1-10	6	2
19	Vertex Cyber Security	Sydney	11-50	6	1
20	Fort1 PTY LTD	Sydney	1-10	5	2
21	Cyber Citadel	Sydney	1-10	5	2
22	CYBIZ	Sydney	1-10	4	4
23	Sense Of Security	Sydney	11-50	3	1
24	Undark Solutions Undark.io	Sydney	1-10	2	2
25	Walking Comet	Sydney	1-10	2	2

Showing 25 of 54 api security companies based in Sydney, Australia

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Api security companies based in Sydney, Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 54 HQs

13Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Api security companies by metro in Australia

Metro	Companies
Api security companies in Sydney	54
Api security companies in Melbourne	37
Api security companies in Canberra	17
Api security companies in Brisbane	14
Api security companies in Perth	13
Api security companies in Brisbane City	8
Api security companies in Adelaide	7

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 “api security companies”, with match quality audited by blind human judging, and headquartered in Sydney, 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 api security companies are there based in Sydney, Australia?

There are 54 api security companies headquartered in Sydney, Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

Seccom Global, headquartered in Sydney, tops this list with the largest team on record.

Which city has the most api security companies?

Sydney leads with 54 headquartered companies, followed by Melbourne (37) and Canberra (17).

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 160 verified decision-maker contacts tracked across these 54 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.