Company lists · Data refreshed September 2026
Top 25 High-risk security contractors based in Australia
RevenueBase identified 225 company matches for high-risk security contractors associated with Australia as of September 2026 and tracks 4,481 professional contacts across them, including 961 with verified work emails. Melbourne is the largest hub.
This list covers company matches for high-risk security contractors associated with Australia, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 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 high-risk security contractors based in Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,813 contacts → | ||||
Exact match “At Wilson Security, we are committed to building a safer future for everyone.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 2 | 228 contacts → | ||||
Exact match “We know how to offer the most effective security to our customers.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 198 contacts → | ||||
Exact match “ACES Group, an Australian owned security organisation delivers security, risk and safety management, event management and training services to multiple industries including…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 178 contacts → | ||||
Exact match “For more than 130 years, we have stood alongside our community, protecting homes, families, businesses, and communities.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 87 contacts → | ||||
Exact match “Established in 2001, ISEC is a leading provider of protective security, safety, risk management, and training services to the corporate, commercial and government sectors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 82 contacts → | ||||
Exact match “National Protective Services is a leading professional security company, specialising in the provision of quality and tailored protective services and products to ensure optimum…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 71 contacts → | ||||
Exact match “ABOUT US Nexar Group foundations are built on driving change and evolution to not only the security industry, but for all of our services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 64 contacts → | ||||
Exact match “Monjon (Australia) Pty Ltd (Monjon) is a family owned business with over two decades of experience in the provision of security risk management solutions for residential…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 59 contacts → | ||||
Exact match “Guarding Solutions | Armed Guards | 24/7 Grade A1 Monitoring | Mobile Patrols | Electronics | Advisory EXEC Security is an Australian owned, national company that specialises in…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 59 contacts → | ||||
Exact match “For decades, LKA Group has provided the highest level of service to all clients, from small business to multinational corporations and governments.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 55 contacts → | ||||
Exact match “Australian owned Advent Security has been a leader in providing exceptional, value-for-money services to local, national and international clients in the public, private and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 52 contacts → | ||||
Exact match “SCG specialises in providing independent security and communications engineering, and security threat and risk consultancy services, to clients operating in challenging security…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 52 contacts → | ||||
Exact match “Combining the very best personnel, processes and technology, Premium Solutions will redefine your expectations of the security industry.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 51 contacts → | ||||
Exact match “Welcome to Vibrant Services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 48 contacts → | ||||
Exact match “Reddawn provides industry leading, comprehensive Security and Risk Management solutions for both corporate and commercial.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 41 contacts → | ||||
Exact match “Security Company in Brisbane” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 34 contacts → | ||||
Exact match “Where Prestige Meets Protection.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 29 contacts → | ||||
Exact match “The Security Hub delivers a complete packaged security solution and a risk mitigation program to its clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 29 contacts → | ||||
Exact match “ANSIC is an Australian-based security, investigation & risk management firm, with recognised global capabilities and affiliates.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 28 contacts → | ||||
Exact match “RSS is renowned for providing security solutions tailored to each client.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 28 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 22 | 26 contacts → | ||||
Exact match “Panoptic Solutions is trusted by some of the most influential organisations and individuals in the world to prepare crisis, protection and contingency plans; and operations for…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 23 | 23 contacts → | ||||
Exact match “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.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 24 | 20 contacts → | ||||
Exact match “OMEN provides specialist security solutions across a broad range of industries, including aviation and other critical infrastructure.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 17 contacts → | ||||
Exact match “High Risk Security Group (Asia-Pacific)(“HRSG”), is a highly respected and professional safety and security consultancy company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “high-risk security contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 225 high-risk security contractors based in Australia
See the full list, filter by size, metro and specialty, and access 961 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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High-risk security contractors based in Australia at a glance
As of Sep 28, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 225 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- 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
- Company records associated with Australia whose business descriptions match “high-risk security contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 961 professional contacts with verified work emails across the full matched dataset. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
High-risk security contractors by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “high-risk security contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many high-risk security contractors are there based in Australia?
RevenueBase identified 225 company matches for high-risk security contractors associated with Australia as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Wilson Security tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most high-risk security contractors?
Melbourne leads with 33 company records, followed by Sydney (32) and Brisbane (12).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 961 professional contacts with verified work emails tracked across these 225 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 225 high-risk security contractors based in Australia. Start with a free account, no credit card.
Download this list →Related lists
High-risk security contractors by geography
- High-risk security contractors based in Melbourne, Australia
- High-risk security contractors based in Toronto, Canada
- High-risk security contractors based in Paris, France
- High-risk security contractors based in Berlin, Germany
- High-risk security contractors based in Dubai, United Arab Emirates
- High-risk security contractors based in London, United Kingdom
- High-risk security contractors based in Chicago, United States
- High-risk security contractors based in Dallas, United States
- High-risk security contractors based in Houston, United States
- High-risk security contractors based in Las Vegas, United States
- High-risk security contractors based in Los Angeles, United States
- High-risk security contractors based in New York, United States
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- High-risk security contractors based in Melbourne, Australia
- High-risk security contractors based in Toronto, Canada
- High-risk security contractors based in Paris, France
- High-risk security contractors based in Berlin, Germany
- High-risk security contractors based in Dubai, United Arab Emirates
- High-risk security contractors based in London, United Kingdom
Company intelligence · public preview
Top 25 high-risk security contractors based in Australia
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 225 matching company records for high-risk security contractors based in Australia, with 4,481 tracked contacts and 961 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 high-risk security contractors based in Australia
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Wilson Securitywilsonsecurity.com.auHQ: Essendon Fields, AustraliaReported employees: 5,001-10,000 | Essendon Fields, Australia | 5,001-10,000 | Exact match | 1,813 contacts → |
“At Wilson Security, we are committed to building a safer future for everyone.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Securitas Australiasecuritas-australia.com.auHQ: Preston, AustraliaReported employees: 10001+ | Preston, Australia | 10001+ | Exact match | 228 contacts → |
“We know how to offer the most effective security to our customers.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Acesgroupacesecurity.com.auHQ: Redfern, AustraliaReported employees: 1,001-5,000 | Redfern, Australia | 1,001-5,000 | Exact match | 198 contacts → |
“ACES Group, an Australian owned security organisation delivers security, risk and safety management, event management and training services to multiple industries including…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  ADT Security Australiaadtsecurity.com.auHQ: Rydalmere, AustraliaReported employees: 501-1,000 | Rydalmere, Australia | 501-1,000 | Exact match | 178 contacts → |
“For more than 130 years, we have stood alongside our community, protecting homes, families, businesses, and communities.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ISECisec.com.auHQ: Alexandria, AustraliaReported employees: 201-500 | Alexandria, Australia | 201-500 | Exact match | 87 contacts → |
“Established in 2001, ISEC is a leading provider of protective security, safety, risk management, and training services to the corporate, commercial and government sectors.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  National Protective Servicesnationalprotectiveservices.com.auHQ: South Melbourne, AustraliaReported employees: 1,001-5,000 | South Melbourne, Australia | 1,001-5,000 | Exact match | 82 contacts → |
“National Protective Services is a leading professional security company, specialising in the provision of quality and tailored protective services and products to ensure optimum…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Nexar Group Security Services I Cleaning Services Risk Services I Training Servicesnexargroup.com.auHQ: Melbourne, AustraliaReported employees: 201-500 | Melbourne, Australia | 201-500 | Exact match | 71 contacts → |
“ABOUT US Nexar Group foundations are built on driving change and evolution to not only the security industry, but for all of our services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Monjon Australiamonjon.com.auHQ: Cheltenham, AustraliaReported employees: 201-500 | Cheltenham, Australia | 201-500 | Exact match | 64 contacts → |
“Monjon (Australia) Pty Ltd (Monjon) is a family owned business with over two decades of experience in the provision of security risk management solutions for residential…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Exec Securityexecsecurity.com.auHQ: Melbourne, AustraliaReported employees: 501-1,000 | Melbourne, Australia | 501-1,000 | Exact match | 59 contacts → |
“Guarding Solutions | Armed Guards | 24/7 Grade A1 Monitoring | Mobile Patrols | Electronics | Advisory EXEC Security is an Australian owned, national company that specialises in…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  LKA Grouplkagroup.com.auHQ: Carlton, AustraliaReported employees: 51-200 | Carlton, Australia | 51-200 | Exact match | 59 contacts → |
“For decades, LKA Group has provided the highest level of service to all clients, from small business to multinational corporations and governments.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Advent Security Australia & NEW Zealandadventsecurity.com.auHQ: Melbourne, AustraliaReported employees: 501-1,000 | Melbourne, Australia | 501-1,000 | Exact match | 55 contacts → |
“Australian owned Advent Security has been a leader in providing exceptional, value-for-money services to local, national and international clients in the public, private and…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Security Consulting Group PTY LTD SCGsecurityconsultinggroup.com.auHQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 52 contacts → |
“SCG specialises in providing independent security and communications engineering, and security threat and risk consultancy services, to clients operating in challenging security…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Premium Solutionspremiumsolutions.auHQ: Woollahra, AustraliaReported employees: 51-200 | Woollahra, Australia | 51-200 | Exact match | 52 contacts → |
“Combining the very best personnel, processes and technology, Premium Solutions will redefine your expectations of the security industry.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Vibrant Servicesvibrantservices.com.auHQ: Coburg North, AustraliaReported employees: 201-500 | Coburg North, Australia | 201-500 | Exact match | 51 contacts → |
“Welcome to Vibrant Services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Reddawn Australia PTY LTDreddawn.com.auHQ: Sydney Olympic Park, AustraliaReported employees: 201-500 | Sydney Olympic Park, Australia | 201-500 | Exact match | 48 contacts → |
“Reddawn provides industry leading, comprehensive Security and Risk Management solutions for both corporate and commercial.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Best Security PTY LTDbestsecurity.net.auHQ: Clayfield, AustraliaReported employees: 201-500 | Clayfield, Australia | 201-500 | Exact match | 41 contacts → |
“Security Company in Brisbane” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  DAVKIdavki.com.auHQ: Gold Coast, AustraliaReported employees: 51-200 | Gold Coast, Australia | 51-200 | Exact match | 34 contacts → |
“Where Prestige Meets Protection.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  The Security HUBthesecurityhub.com.auHQ: Melbourne, AustraliaReported employees: 201-500 | Melbourne, Australia | 201-500 | Exact match | 29 contacts → |
“The Security Hub delivers a complete packaged security solution and a risk mitigation program to its clients.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  ANSICansic.com.auHQ: Bowen Hills, AustraliaReported employees: 51-200 | Bowen Hills, Australia | 51-200 | Exact match | 29 contacts → |
“ANSIC is an Australian-based security, investigation & risk management firm, with recognised global capabilities and affiliates.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Resolute Security Servicesresolutesecurity.com.au HQ: Wangara, AustraliaReported employees: 51-200 | Wangara, Australia | 51-200 | Exact match | 28 contacts → |
“RSS is renowned for providing security solutions tailored to each client.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Oscar Security Group PTY LTDoscarsecuritygroup.com.auHQ: Chipping Norton, AustraliaReported employees: 51-200 | Chipping Norton, Australia | 51-200 | Exact match | 28 contacts → |
“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…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Panoptic Solutions -Australia & Asia Security & Risk Managementpanopticsolutions.comHQ: Robina, AustraliaReported employees: 11-50 | Robina, Australia | 11-50 | Exact match | 26 contacts → |
“Panoptic Solutions is trusted by some of the most influential organisations and individuals in the world to prepare crisis, protection and contingency plans; and operations for…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Exact Securityexactsecurity.com.auHQ: Jamisontown, AustraliaReported employees: 51-200 | Jamisontown, Australia | 51-200 | Exact match | 23 contacts → |
“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.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Omen Security PTY LTDomensecurity.com.auHQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 20 contacts → |
“OMEN provides specialist security solutions across a broad range of industries, including aviation and other critical infrastructure.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Hrsg High Risk Security Grouphrsg.com.auHQ: Darwin, AustraliaReported employees: 51-200 | Darwin, Australia | 51-200 | Exact match | 17 contacts → |
“High Risk Security Group (Asia-Pacific)(“HRSG”), is a highly respected and professional safety and security consultancy company.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 225 company matches
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High-risk security contractors: dataset insights
September 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
225 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 225 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
High-risk security contractors by metro
Questions about this company list
What does Exact match mean for high-risk security contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many high-risk security contractors did RevenueBase find based in Australia?
The saved snapshot records 225 matching company records, 4,481 tracked contacts and 961 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
High-risk security contractors by geography
- High-risk security contractors based in Melbourne, Australia
- High-risk security contractors based in Toronto, Canada
- High-risk security contractors based in Paris, France
- High-risk security contractors based in Berlin, Germany
- High-risk security contractors based in Dubai, United Arab Emirates
- High-risk security contractors based in London, United Kingdom
- High-risk security contractors based in Chicago, United States
- High-risk security contractors based in Dallas, United States
- High-risk security contractors based in Houston, United States
- High-risk security contractors based in Las Vegas, United States
- High-risk security contractors based in Los Angeles, United States
- High-risk security contractors based in New York, United States
Cite this list
RevenueBase Data Team. Top 25 high-risk security contractors based in Australia. Snapshot: September 28, 2026. https://revenuebase.ai/companies/high-risk-security-contractors/australia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- High-risk security contractors based in Melbourne, Australia
- High-risk security contractors based in Toronto, Canada
- High-risk security contractors based in Paris, France
- High-risk security contractors based in Berlin, Germany
- High-risk security contractors based in Dubai, United Arab Emirates
- High-risk security contractors based in London, United Kingdom
Company intelligence · public preview
Top 25 high-risk security contractors based in Australia
RevenueBase records 225 matching company records for high-risk security contractors based in Australia, with 4,481 tracked contacts and 961 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 high-risk security contractors based in Australia
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Wilson Securitywilsonsecurity.com.au HQ: Essendon Fields, AustraliaReported employees: 5,001-10,000 | Essendon Fields, Australia | 5,001-10,000 | Exact match | 1,813 contacts → |
“At Wilson Security, we are committed to building a safer future for everyone.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Securitas Australiasecuritas-australia.com.au HQ: Preston, AustraliaReported employees: 10001+ | Preston, Australia | 10001+ | Exact match | 228 contacts → |
“We know how to offer the most effective security to our customers.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Acesgroupacesecurity.com.au HQ: Redfern, AustraliaReported employees: 1,001-5,000 | Redfern, Australia | 1,001-5,000 | Exact match | 198 contacts → |
“ACES Group, an Australian owned security organisation delivers security, risk and safety management, event management and training services to multiple industries including…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ADT Security Australiaadtsecurity.com.au HQ: Rydalmere, AustraliaReported employees: 501-1,000 | Rydalmere, Australia | 501-1,000 | Exact match | 178 contacts → |
“For more than 130 years, we have stood alongside our community, protecting homes, families, businesses, and communities.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ISECisec.com.au HQ: Alexandria, AustraliaReported employees: 201-500 | Alexandria, Australia | 201-500 | Exact match | 87 contacts → |
“Established in 2001, ISEC is a leading provider of protective security, safety, risk management, and training services to the corporate, commercial and government sectors.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | National Protective Servicesnationalprotectiveservices.com.au HQ: South Melbourne, AustraliaReported employees: 1,001-5,000 | South Melbourne, Australia | 1,001-5,000 | Exact match | 82 contacts → |
“National Protective Services is a leading professional security company, specialising in the provision of quality and tailored protective services and products to ensure optimum…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Nexar Group Security Services I Cleaning Services Risk Services I Training Servicesnexargroup.com.au HQ: Melbourne, AustraliaReported employees: 201-500 | Melbourne, Australia | 201-500 | Exact match | 71 contacts → |
“ABOUT US Nexar Group foundations are built on driving change and evolution to not only the security industry, but for all of our services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Monjon Australiamonjon.com.au HQ: Cheltenham, AustraliaReported employees: 201-500 | Cheltenham, Australia | 201-500 | Exact match | 64 contacts → |
“Monjon (Australia) Pty Ltd (Monjon) is a family owned business with over two decades of experience in the provision of security risk management solutions for residential…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Exec Securityexecsecurity.com.au HQ: Melbourne, AustraliaReported employees: 501-1,000 | Melbourne, Australia | 501-1,000 | Exact match | 59 contacts → |
“Guarding Solutions | Armed Guards | 24/7 Grade A1 Monitoring | Mobile Patrols | Electronics | Advisory EXEC Security is an Australian owned, national company that specialises in…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | LKA Grouplkagroup.com.au HQ: Carlton, AustraliaReported employees: 51-200 | Carlton, Australia | 51-200 | Exact match | 59 contacts → |
“For decades, LKA Group has provided the highest level of service to all clients, from small business to multinational corporations and governments.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Advent Security Australia & NEW Zealandadventsecurity.com.au HQ: Melbourne, AustraliaReported employees: 501-1,000 | Melbourne, Australia | 501-1,000 | Exact match | 55 contacts → |
“Australian owned Advent Security has been a leader in providing exceptional, value-for-money services to local, national and international clients in the public, private and…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Security Consulting Group PTY LTD SCGsecurityconsultinggroup.com.au HQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 52 contacts → |
“SCG specialises in providing independent security and communications engineering, and security threat and risk consultancy services, to clients operating in challenging security…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Premium Solutionspremiumsolutions.au HQ: Woollahra, AustraliaReported employees: 51-200 | Woollahra, Australia | 51-200 | Exact match | 52 contacts → |
“Combining the very best personnel, processes and technology, Premium Solutions will redefine your expectations of the security industry.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Vibrant Servicesvibrantservices.com.au HQ: Coburg North, AustraliaReported employees: 201-500 | Coburg North, Australia | 201-500 | Exact match | 51 contacts → |
“Welcome to Vibrant Services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Reddawn Australia PTY LTDreddawn.com.au HQ: Sydney Olympic Park, AustraliaReported employees: 201-500 | Sydney Olympic Park, Australia | 201-500 | Exact match | 48 contacts → |
“Reddawn provides industry leading, comprehensive Security and Risk Management solutions for both corporate and commercial.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Best Security PTY LTDbestsecurity.net.au HQ: Clayfield, AustraliaReported employees: 201-500 | Clayfield, Australia | 201-500 | Exact match | 41 contacts → |
“Security Company in Brisbane” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | DAVKIdavki.com.au HQ: Gold Coast, AustraliaReported employees: 51-200 | Gold Coast, Australia | 51-200 | Exact match | 34 contacts → |
“Where Prestige Meets Protection.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | The Security HUBthesecurityhub.com.au HQ: Melbourne, AustraliaReported employees: 201-500 | Melbourne, Australia | 201-500 | Exact match | 29 contacts → |
“The Security Hub delivers a complete packaged security solution and a risk mitigation program to its clients.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | ANSICansic.com.au HQ: Bowen Hills, AustraliaReported employees: 51-200 | Bowen Hills, Australia | 51-200 | Exact match | 29 contacts → |
“ANSIC is an Australian-based security, investigation & risk management firm, with recognised global capabilities and affiliates.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Resolute Security Servicesresolutesecurity.com.au HQ: Wangara, AustraliaReported employees: 51-200 | Wangara, Australia | 51-200 | Exact match | 28 contacts → |
“RSS is renowned for providing security solutions tailored to each client.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Oscar Security Group PTY LTDoscarsecuritygroup.com.au HQ: Chipping Norton, AustraliaReported employees: 51-200 | Chipping Norton, Australia | 51-200 | Exact match | 28 contacts → |
“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…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Panoptic Solutions -Australia & Asia Security & Risk Managementpanopticsolutions.com HQ: Robina, AustraliaReported employees: 11-50 | Robina, Australia | 11-50 | Exact match | 26 contacts → |
“Panoptic Solutions is trusted by some of the most influential organisations and individuals in the world to prepare crisis, protection and contingency plans; and operations for…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Exact Securityexactsecurity.com.au HQ: Jamisontown, AustraliaReported employees: 51-200 | Jamisontown, Australia | 51-200 | Exact match | 23 contacts → |
“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.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Omen Security PTY LTDomensecurity.com.au HQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 20 contacts → |
“OMEN provides specialist security solutions across a broad range of industries, including aviation and other critical infrastructure.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Hrsg High Risk Security Grouphrsg.com.au HQ: Darwin, AustraliaReported employees: 51-200 | Darwin, Australia | 51-200 | Exact match | 17 contacts → |
“High Risk Security Group (Asia-Pacific)(“HRSG”), is a highly respected and professional safety and security consultancy company.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 225 company matches
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High-risk security contractors: dataset insights
September 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
225 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 225 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
High-risk security contractors by metro
Questions about this company list
What does Exact match mean for high-risk security contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many high-risk security contractors did RevenueBase find based in Australia?
The saved snapshot records 225 matching company records, 4,481 tracked contacts and 961 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 high-risk security contractors based in Australia. Snapshot: September 28, 2026. https://revenuebase.ai/companies/high-risk-security-contractors/australia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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