Company lists · Data refreshed September 2026
Top 25 Physical security companies based in Australia
RevenueBase identified 506 physical security companies headquartered in Australia as of September 2026 and tracks 7,129 professional contacts across them, including 1,442 with verified work emails and 301 with mobile numbers. Melbourne is the largest hub.
This list covers physical security companies headquartered in Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 5, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest physical security companies based in Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,813 | ||||
“At Wilson Security, we are committed to building a safer future for everyone.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 630 | ||||
“Securecorp employ more than 2,500 staff across Australia and have an annual turnover in excess of $100 million.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 510 | ||||
“Founded in 1923, SNP is one of Australia’s leading security services providers with over 2,500 employees nationwide.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 228 | ||||
“We know how to offer the most effective security to our customers.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 178 | ||||
“For more than 130 years, we have stood alongside our community, protecting homes, families, businesses, and communities.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 101 | ||||
“ARA Security delivers turnkey security solutions to a number of industries across Australia.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 82 | ||||
“National Protective Services is a leading professional security company, specialising in the provision of quality and tailored protective services and products to ensure optimum…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 82 | ||||
“Infront Security Services was established in 2002 to provide a fresh alternative to the Qld security marketplace, focussing predominately on event management and crowd control…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 74 | ||||
“AG Security Group is South Australia's leading and largest locally owned security organisation that has been protecting Australians for more than 35 years.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 69 | ||||
“Australia's Multisite Security Specialist.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 67 | ||||
“SEME Solutions have been one of Australia’s leading provider of security solutions for over 50 years, specialising in the integration of CCTV, Access Control, Intruder Detection…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 67 | ||||
“Constant, a wholly owned Australian company, was established in 2003 providing peace of mind for our clients to get on with what is important for them, by securing their valuable…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 65 | ||||
“We are CPS Security Services, a 100% Australian-owned and operated company founded in 2006.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 59 | ||||
“Guarding Solutions | Armed Guards | 24/7 Grade A1 Monitoring | Mobile Patrols | Electronics | Advisory EXEC Security is an Australian owned, national company that specialises in…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 42 | ||||
“Founded in 2011, Vault Protective Security Services is a Perth based company and leading provider of crowd control and security services.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 41 | ||||
“Security Company in Brisbane” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 38 | ||||
“There are numerous factors that contribute to Lima One excelling in the security industry, we believe our attitude and approach to our clients and the professionalism of our hands…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 34 | ||||
“iDetect is proudly Australian owned and operated with a focus on supporting the needs of the building and construction industries throughout Australia.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 33 | ||||
“Security 1 was established as a separate entity in 2001 as the electronic and manpower section of the Newham group which has operated one of the nations leading Locksmith company…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | KGB SecurityStrong evidence | 33 | |||
“For nearly four decades, KGB Security has been a trusted leader in electronic and physical security solutions across Australia.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 28 | ||||
“Welcome to Oscar Security Group - Your Safety, Our Top Priority We pride ourselves on our people-centric approach, we set the standard for the customer experience by taking…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 26 | ||||
“Eclipse Security Systems has been providing Business and Commercial Security Solutions throughout Melboune since Over the years Eclipse Security Systems has led with the changes…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 25 | ||||
“FreeCall 1800 GROUP 1.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 23 | ||||
“Based in Joondalup (Perth, WA), at Crown Security we specialise in commercial electronic security, video surveillance, automation, smart parking solution and integration solutions.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | 23 | ||||
“Exact is focused on being the leader in the quality sector of the security industry - highly respected by regulators, clients and their customers, government bodies and police.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 506 physical security companies based in Australia
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Physical security companies based in Australia at a glance
As of Sep 5, 2026Companies by employee count
Verified emails by last verification
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among physical security companies, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Australia whose own description of what they do matches “physical security companies”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among physical security companies, and records with no verified work email. Companies headquartered outside Australia are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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
- Every listed company carries at least one verified work email, 1,442 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 5, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Physical security companies by metro
- Physical security companies in Melbourne45
- Physical security companies in Sydney40
Frequently asked
How many physical security companies are there based in Australia?
RevenueBase identified 506 physical security companies headquartered in Australia as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Wilson Security, headquartered in Essendon Fields, tops this list with the largest team on record.
Which city has the most physical security companies?
Melbourne leads with 45 headquartered companies, followed by Sydney (40) and Brisbane (21).
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 1,442 verified decision-maker contacts tracked across these 506 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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