Company lists · Data verified August 2026

Top 25 Armed security guard companies based in Australia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 406 companies tracked

There are 406 armed security guard companies headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 8,373 professional contacts across them, including 1,287 with verified work emails and 307 with mobile numbers. Melbourne is the largest hub.

This list covers armed security guard 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.

406Companies

8,373Contacts tracked

1,287Verified emails

307Mobile numbers

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The 25 largest armed security guard companies based in Australia

Ranked by team size

Top 25 of 406 armed security guard 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	MSS Security	Bellerive	5,001-10,000	2,002	236
2	Wilson Security	Essendon Fields	5,001-10,000	1,805	425
3	SNP Security	West Ryde	1,001-5,000	508	61
4	Acesgroup	Redfern	1,001-5,000	196	44
5	NPB Security Australia	Perth	1,001-5,000	191	13
6	ADT Security Australia	Rydalmere	501-1,000	179	37
7	MCS Security	Joondalup	501-1,000	85	20
8	ISEC	Alexandria	201-500	85	8
9	Infront Security Services	Brisbane	201-500	83	3
10	National Protective Services	South Melbourne	1,001-5,000	81	3
11	Constant	Surfers Paradise	501-1,000	70	7
12	Monjon Australia	n/a	201-500	64	20
13	Exec Security	Melbourne	501-1,000	58	21
14	Advent Security Australia & NEW Zealand	Melbourne	501-1,000	54	15
15	Guardian Venue Management International	Sydney	201-500	54	7
16	Premium Solutions	Woollahra	51-200	52	6
17	ACE Security Event Services	Perth	501-1,000	48	2
18	Vault Protective Security Services	Subiaco	201-500	42	3
19	Best Security PTY LTD	Clayfield	201-500	40	3
20	Lima ONE Protection Group	Adelaide	201-500	38	5
21	Security1 S1	Phillip	51-200	33	8
22	Oscar Security Group PTY LTD	Chipping Norton	51-200	28	3
23	Dominance	Cheltenham	51-200	27	3
24	Empire Protection	Brisbane	51-200	26	1
25	Group 1 Security	Sydney	201-500	25	2

Showing 25 of 406 armed security guard companies based in Australia

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Armed security guard companies based in Australia at a glance

As of Aug 28, 2026

11-50Median size (employees)

MelbourneLargest hub · 45 HQs

307Contacts with mobile numbers

9Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

135

51-200

118

201-500

501-1,000

1,001-5,000

5,001-10,000

Armed security guard companies by metro

Metro	Companies
Armed security guard companies in Melbourne	45
Armed security guard companies in Sydney	43
Armed security guard companies in Brisbane	18
Armed security guard companies in Perth	12
Armed security guard companies in Adelaide	10
Armed security guard companies in Gold Coast	6
Armed security guard companies in Alexandria	4

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 “armed security guard 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; 9 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 armed security guard companies are there based in Australia?

There are 406 armed security guard companies headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

MSS Security, headquartered in Bellerive, tops this list with the largest team on record.

Which city has the most armed security guard companies?

Melbourne leads with 45 headquartered companies, followed by Sydney (43) and Brisbane (18).

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 1,287 verified decision-maker contacts tracked across these 406 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.