Company lists · Data refreshed September 2026
Top 25 Telecom infrastructure security companies based in Australia
RevenueBase identified 80 telecom infrastructure security companies headquartered in Australia as of September 2026 and tracks 1,619 professional contacts across them, including 556 with verified work emails. Sydney is the largest hub.
This list covers telecom infrastructure 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 telecom infrastructure security companies based in Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 857 contacts → | ||||
Indirect evidence “NEC has delivered world-class technology solutions and services to customers across the globe, for more than a century.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 53 contacts → | ||||
Partial evidence “Streamline Connect is a premier telecommunications construction delivery business and have been providing telecommunications solutions since 1998.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 52 contacts → | ||||
Partial evidence “SCG specialises in providing independent security and communications engineering, and security threat and risk consultancy services, to clients operating in challenging security…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 38 contacts → | ||||
Indirect evidence “Future Fibre Technologies (FFT) manufactures and markets a range of fibre optic intrusion detection and location systems that are, quite simply, the world's most effective…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 37 contacts → | ||||
Strong evidence “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.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 25 contacts → | ||||
Partial evidence “Access Datacom are Australia's emerging leader in electronic security service and solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 18 contacts → | ||||
Partial evidence “CyberSecOn is an Information security company with a presence in Australia, USA and India.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 18 contacts → | ||||
Partial evidence “ROC Communications provides turnkey telecommunications and networking solutions to businesses and communities across Australia.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 17 contacts → | ||||
Partial evidence “IT & T Pty Ltd is the Illawarra’s leading provider of innovative IT and telecommunications solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 15 contacts → | ||||
Partial evidence “Link Enterprise Solutions is a brand with enormous strength and commitment to setting new standards in electronic security, technology and managed services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 14 contacts → | ||||
Indirect evidence “Virtual Graffiti Australia Pty Limited is part of the Virtual Graffiti Group, which was first established in the USA in and now operates in three countries (USA, Australia and the…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 13 contacts → | ||||
Partial evidence “Comverge is a licensed telecommunications carrier and experienced systems integrator.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 13 contacts → | ||||
Partial evidence “We help organisations get better at Security Operations and Cyber Threat Intelligence with specialised consulting, engineering, and managed security platforms.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 10 contacts → | ||||
Indirect evidence “With ZIRILIO on your side, the digital world just became safer.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 9 contacts → | ||||
Strong evidence “Do you find it challenging to manage and maintain your telecommunication infrastructure, all while trying to meet the demands of your customers?” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 8 contacts → | ||||
Partial evidence “Ashworth Australia’s is a leading national consultancy and engineering services company of choice for the telecommunications industry throughout Australia.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 8 contacts → | ||||
Partial evidence “Comvergence is the leading Australian telecommunication service provider for tailored High-Speed Fibre, VoIP and CyberSecurity solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 5 contacts → | ||||
Indirect evidence “#industryconnected #industrysecured RSN Solutions engineer innovative Radio, Satellite and Network Solutions for Industrial Applications and Operational Technology that ensure…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 contacts → | ||||
Indirect evidence “Innovation underpins CSE Crosscom’s approach to every communication challenge.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 contacts → | ||||
Partial evidence “Specialists in Security & IT Services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 4 contacts → | ||||
Strong evidence “SSI Pacific is a corporation which provides world leading Monitoring and Security Intelligence solutions for intelligence and telecommunication sectors.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 4 contacts → | ||||
Partial evidence “GA Systems is a ISO27001:2022 certified, Australian-owned and operated cyber security service provider delivering comprehensive, intelligence-driven protection across public and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 4 contacts → | ||||
Partial evidence “Independent wireless and security solution providers offering consulting, design, implementation and troubleshooting services for all wireless and security solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Strong evidence “Tech One Solutions and Services Pty Ltd is a SA local Business Technology Company, that is here guide you through the fast-evolving world of telecommunications, IT and Security…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 contacts → | ||||
Partial evidence “Sapien Cyber is an Australian company providing class-leading cybersecurity and threat intelligence solutions for the protection of critical infrastructure.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: telecom infrastructure security companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names telecom infrastructure security companies.
- Partial evidence
- Its own public description names part of telecom infrastructure security companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name telecom infrastructure security companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 80 telecom infrastructure security companies based in Australia
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Telecom infrastructure security companies based in Australia at a glance
As of Sep 29, 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 80 companies.
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 telecom infrastructure security companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Australia whose own description of what they do matches “telecom infrastructure security companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names telecom infrastructure security companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among telecom infrastructure 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 its RevenueBase Smart Search 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, 556 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 29, 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.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names telecom infrastructure security companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many telecom infrastructure security companies are there based in Australia?
RevenueBase identified 80 telecom infrastructure 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?
NEC Australia, headquartered in Docklands, tops this list with the largest team on record.
Which city has the most telecom infrastructure security companies?
Sydney leads with 14 headquartered companies, followed by Melbourne (12) and Gold Coast (3).
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 556 verified decision-maker contacts tracked across these 80 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 29, 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 Smart Search, 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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