Company lists · Data verified August 2026

Top 25 Api security companies based in Australia

Name: Api 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 216 companies tracked

There are 216 api security companies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 1,768 professional contacts across them, including 671 with verified work emails and 141 with mobile numbers. Sydney is the largest hub.

This list covers api 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.

216Companies

1,768Contacts tracked

671Verified emails

141Mobile numbers

Unlock all 216 companies Free account · no credit card · 2 minutes

The 25 largest api security companies based in Australia

Ranked by team size

Top 25 of 216 api 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	Entersoft Security	Brisbane	51-200	63	20
4	3columns	n/a	51-200	58	32
5	Wipro Shelde	Melbourne	51-200	50	15
6	Cythera	Cbd	11-50	42	26
7	Seccom Global	Sydney	11-50	41	30
8	Ionize	Canberra	51-200	34	26
9	OP Innovate	Canberra	11-50	34	21
10	NSB Cyber	Brisbane	11-50	30	19
11	Cybernara	Adelaide	11-50	29	5
12	Gridware	Sydney	11-50	25	10
13	Silentgrid Security	Sydney	11-50	22	12
14	Surecity Networks	South Melbourne	11-50	19	12
15	Threat Intelligence	Sydney	11-50	19	1
16	Zynet PTY LTD	Tullamarine	11-50	17	9
17	Sinevis	n/a	11-50	17	6
18	Intrix Cyber Security	Sydney	11-50	16	6
19	Skylight Cyber Security	Sydney	11-50	15	12
20	Diesec	Sydney	51-200	15	9
21	Krash Consulting	Adelaide	11-50	15	7
22	Sentaris	Sydney	11-50	14	9
23	Spartans Security	Cremorne	11-50	14	8
24	Morrisec	Sydney	11-50	14	4
25	Cleared	Canberra	11-50	11	9

Showing 25 of 216 api security companies based in Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 671 reachable decision-makers.

Free account · no credit card

See all 216 companies

Api security companies based in Australia at a glance

As of Aug 28, 2026

1-10Median size (employees)

SydneyLargest hub · 54 HQs

141Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

125

11-50

51-200

201-500

501-1,000

Api security companies by metro

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 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; 3 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 Australia?

There are 216 api 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 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 671 verified decision-maker contacts tracked across these 216 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.

Ready to reach these companies? Verified emails and direct dials for all 216 api security companies based in Australia. Start with a free account, no credit card.

Get the full list

Related lists

Api security companies by geography

Browse the directory

Browse: Companies home · All Australia lists · All Api security companies lists · New lists

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.