Company lists · Data refreshed September 2026

Top 25 Managed IT security service providers based in Sydney, Australia

RevenueBase identified 85 company matches for managed IT security service providers associated with Sydney, Australia as of September 2026 and tracks 1,095 professional contacts across them, including 650 with verified work emails. Across Australia, Melbourne is the largest hub for this category (96 companies); Sydney follows with 85.

This list covers company matches for managed IT security service providers associated with Sydney, 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 21, 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 Sep 21, 2026 How this list was built
85Companies
1,095Contacts tracked
650Verified emails
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The 25 largest managed IT security service providers based in Sydney, Australia

Ranked by team size
Top 25 of 85 company matches for managed IT security service providers based in Sydney, Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchSydney, AustraliaHQ recorded Sep 21, 2026201-500167 contacts →

Exact match

“Virtual IT Group is Australia & New Zealand's leading managed IT cybersecurity provider.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchSydney, AustraliaHQ recorded Sep 21, 2026201-500122 contacts →

Exact match

“Infotrust (ITS) is Australia’s leading cyber security and managed technology services provider listed on the ASX.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchSydney, AustraliaHQ recorded Sep 21, 202651-20090 contacts →

Exact match

“With a proven track record of 30 years, experteq is a proudly Australian IT company that combines the strengths of two storied brands – TAS and Experteq – to deliver outstanding…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchSydney, AustraliaHQ recorded Sep 21, 202651-20087 contacts →

Exact match

“Secure Agility is a Australian-based technology partner specialising in secure managed IT services for NSW government, enterprise and mid-market organisations.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchSydney, AustraliaHQ recorded Sep 21, 202651-20070 contacts →

Exact match

“Northbridge is an Australian-owned cybersecurity services provider with more than 25 years’ experience delivering engineered, integrated and fully managed security services to…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-5041 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 · Sep 21, 2026 · View company records in RevenueBase
7Exact matchSydney, AustraliaHQ recorded Sep 21, 202651-20036 contacts →

Exact match

“Delivering the next generation of managed cyber security, together.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-5033 contacts →

Exact match

“NSB Cyber is an Australian-founded, privately owned cyber security company based in Sydney.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-5031 contacts →

Exact match

“CSO Group provides ICT security services and solutions to protect Australian businesses from advanced cyber threats.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchSydney, AustraliaHQ recorded Sep 21, 202651-20030 contacts →

Exact match

“At Nueva, we aim to create a safer digital environment by providing innovative and customised cybersecurity solutions for our clients.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-5026 contacts →

Exact match

“Minimise the risk of a cybersecurity incident.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-5024 contacts →

Exact match

“ThreatDefence provides innovative Security Operations and cyber defence solutions to MSPs and Enterprises.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-5023 contacts →

Exact match

“IT Logic provides Managed Services and procurement to clients in any industry pre-dominantly in the small to medium size business space.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-5021 contacts →

Exact match

“At Empire Technologies, our unwavering dedication to delivering technology solutions can help you drive business success.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-5016 contacts →

Exact match

“Intrix Cyber Security protect businesses with our Information Security Services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchSydney, AustraliaHQ recorded Sep 21, 20261-1014 contacts →

Exact match

“Our mission is to provide organisations with a comprehensive, world class range of customised information security services and advice which will enable them to secure and protect…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-5014 contacts →

Exact match

“Morrisec provides tailored security strategies and services that align with each company’s specific threat landscape, risk profile, and strategic goals.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-5013 contacts →

Exact match

“FOIT Group is an Australian owned and operated Managed Service Provider offering enterprise-grade technology solutions, support, cybersecurity, cloud and advisory services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchSydney, AustraliaHQ recorded Sep 21, 202651-20012 contacts →

Exact match

“Pyramid Global Technologies is a highly regarded Managed IT Service Provider offers value-driven solutions and a range of IT support services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“With ZIRILIO on your side, the digital world just became safer.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchSydney, AustraliaHQ recorded Sep 21, 20261-109 contacts →

Exact match

“Com-X are an MSP focusing on Cyber Security, Cloud management, and Digital Workspaces based in Sydney Australia.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-509 contacts →

Exact match

“CyberHub was established with the aim of making Cyber Security more available to companies of all sizes.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-509 contacts →

Exact match

“Since 2002, Milnsbridge has been delivering proactive managed IT services that let Sydney businesses focus on growth, not IT headaches.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchSydney, AustraliaHQ recorded Sep 21, 202611-508 contacts →

Exact match

“Technology should empower your business, not slow it down.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchSydney, AustraliaHQ recorded Sep 21, 20261-107 contacts →

Exact match

“Ezynode IT Solutions is one of the best and leading Managed Service Provider based in Sydney, Australia that provides services to manufacturing, law and accounting firms…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 85 managed IT security service providers based in Sydney, Australia

See the full list, filter by size, metro and specialty, and access 650 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Managed IT security service providers based in Sydney, Australia at a glance

As of Sep 21, 2026
59.4%Verified-email coverage
12.9Average contacts per company
11-50Median size (employees)
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
41
11-50
33
51-200
6
201-500
3
1,001-5,000
1

Email recency for this list is measured across the whole Australia list rather than for Sydney, so it is reported there. Company counts and contact totals on this page are exact for Sydney, over 85 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 Sydney, Australia whose business descriptions match “managed IT security service providers” 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 650 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 21, 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.

Managed IT security service providers by metro in Australia

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 “managed IT security service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many managed IT security service providers are there based in Sydney, Australia?

RevenueBase identified 85 company matches for managed IT security service providers associated with Sydney, 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?

Virtual IT Group Vitg tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in Australia has the most managed IT security service providers?

Melbourne leads Australia with 96 company records, followed by Sydney (85) and Brisbane (29).

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 650 professional contacts with verified work emails tracked across these 85 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 21, 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.