Company lists · Data refreshed November 2026

Top 23 Telecommunications security services based in Australia

RevenueBase identified 448 company matches for telecommunications security services associated with Australia as of November 2026 and tracks 95,115 professional contacts across them, including 2,836 with verified work emails. Melbourne is the largest hub.

This list covers company matches for telecommunications security services 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 November 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
448Companies
95,115Contacts tracked
2,836Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 23 largest telecommunications security services based in Australia

Ranked by team size
Top 23 of 448 company matches for telecommunications security services based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchEssendon Fields, AustraliaHQ recorded Nov 5, 20265,001-10,0001,964 contacts →

Exact match

“At Wilson Security, we are committed to building a safer future for everyone.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchDocklands, AustraliaHQ recorded Nov 5, 2026501-1,000935 contacts →

Exact match

“NEC has delivered world-class technology solutions and services to customers across the globe, for more than a century.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchWest Ryde, AustraliaHQ recorded Nov 5, 20261,001-5,000558 contacts →

Exact match

“Founded in 1923, SNP is one of Australia’s leading security services providers with over 2,500 employees nationwide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchCoburg, AustraliaHQ recorded Nov 5, 2026501-1,000383 contacts →

Exact match

“We are an Australian-owned, full-service managed ICT solutions and cyber security provider with a sovereign team of 500+ across Australia & New Zealand.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchPreston, AustraliaHQ recorded Nov 5, 202610001+242 contacts →

Exact match

“We know how to offer the most effective security to our customers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchRydalmere, AustraliaHQ recorded Nov 5, 2026501-1,000196 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 · Nov 5, 2026 · View company records in RevenueBase
7Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202651-200121 contacts →

Exact match

“Triskele Labs is one of Australia’s fastest growing cybersecurity companies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchKingsgrove, AustraliaHQ recorded Nov 5, 2026201-500106 contacts →

Exact match

“ARA Security delivers turnkey security solutions to a number of industries across Australia.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchSouth Melbourne, AustraliaHQ recorded Nov 5, 20261,001-5,00093 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 · Nov 5, 2026 · View company records in RevenueBase
10Exact matchSydney, AustraliaHQ recorded Nov 5, 202651-20091 contacts →

Exact match

“Telestar manages the IT and communications of businesses and governments.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchMacquarie Park, AustraliaHQ recorded Nov 5, 202651-20087 contacts →

Exact match

“Hubify Limited ASX: HFY is is growing, come and be a part of it!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchAdelaide, AustraliaHQ recorded Nov 5, 202651-20076 contacts →

Exact match

“AG Security Group is South Australia's leading and largest locally owned security organisation that has been protecting Australians for more than 35 years.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchMelbourne, AustraliaHQ recorded Nov 5, 2026501-1,00065 contacts →

Exact match

“Guarding Solutions | Armed Guards | 24/7 Grade A1 Monitoring | Mobile Patrols | Electronics | Advisory EXEC Security is an Australian owned, national company with 20 years of…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202651-20057 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 · Nov 5, 2026 · View company records in RevenueBase
15Exact matchWoollahra, AustraliaHQ recorded Nov 5, 202651-20056 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 · Nov 5, 2026 · View company records in RevenueBase
16Exact matchBrendale, AustraliaHQ recorded Nov 5, 202651-20055 contacts →

Exact match

“Established in the year Securcom has 20 years’ experience as a specialist security solution provider.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchNorth Sydney, AustraliaHQ recorded Nov 5, 202611-5051 contacts →

Exact match

“We’re ICT Networks.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchFyshwick, AustraliaHQ recorded Nov 5, 202651-20047 contacts →

Exact match

“Bluerydge delivers mission-secure capability, specialising in Security, Technology, Artificial Intelligence (AI), Robotics, Autonomous & Cost Imposition systems.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202611-5044 contacts →

Exact match

“With over 20 years in the security market for IT and Telecommunications networks, Softel has naturally migrated these skills into the Cybersecurity challenges of today.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchSydney, AustraliaHQ recorded Nov 5, 202611-5043 contacts →

Exact match

“Seccom Global - The Cyber Security Company Providing excellence in service to educate, connect and protect your business Founded in 2003, Seccom Global is recognised as a leader…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchNorth Sydney, AustraliaHQ recorded Nov 5, 202651-20043 contacts →

Exact match

“We are specialist industry specialists.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchAdelaide, AustraliaHQ recorded Nov 5, 202651-20041 contacts →

Exact match

“Vectra, an Ensign company, is Australia’s trusted partner for security consulting, risk management, compliance, and managed services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchMelbourne, AustraliaHQ recorded Nov 5, 202651-20041 contacts →

Exact match

“Our mission is to help our clients protect their assets, reputation, and customers from cyber threats, while also enabling them to embrace digital transformation and innovation…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 23 of 448 telecommunications security services based in Australia

See the full list, filter by size, metro and specialty, and access 2,836 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecommunications security services based in Australia at a glance

As of Nov 5, 2026
3.0%Verified-email coverage
212.3Average contacts per company
11-50Median size (employees)
14.1%Largest-city concentration · Melbourne
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
186
11-50
161
51-200
65
201-500
13
501-1,000
6
1,001-5,000
7
5,001-10,000
1
10001+
2

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 448 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 “telecommunications security services” 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 2,836 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 November 5, 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.

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 “telecommunications security services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecommunications security services are there based in Australia?

RevenueBase identified 448 company matches for telecommunications security services associated with Australia as of November 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 telecommunications security services?

Melbourne leads with 63 company records, followed by Sydney (63) and Brisbane (23).

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 2,836 professional contacts with verified work emails tracked across these 448 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 November 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.