Company lists · Data refreshed September 2026

Top 25 Accounting firm cybersecurity companies based in Australia

RevenueBase identified 174 company matches for accounting firm cybersecurity companies associated with Australia as of September 2026 and tracks 1,004 professional contacts across them, including 340 with verified work emails. Melbourne is the largest hub.

This list covers company matches for accounting firm cybersecurity companies 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 27, 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 27, 2026 How this list was built
174Companies
1,004Contacts tracked
340Verified emails
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The 25 largest accounting firm cybersecurity companies based in Australia

Ranked by team size
Top 25 of 174 company matches for accounting firm cybersecurity companies based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchMelbourne, AustraliaHQ recorded Sep 27, 202651-200123 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchCanberra, AustraliaHQ recorded Sep 27, 202651-20035 contacts →

Exact match

“When it comes to security there's no shortage of companies ready to tell you about your vulnerabilities.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchMelbourne, AustraliaHQ recorded Sep 27, 202611-5025 contacts →

Exact match

“Fortian is a leading Australian company specialising in cyber security, privacy, and technology risk management.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchAdelaide, AustraliaHQ recorded Sep 27, 202611-5022 contacts →

Exact match

“We are a forward thinking, technology focused accounting practice that provides advisory, compliance and bookkeeping services to privately owned businesses.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchWest End, AustraliaHQ recorded Sep 27, 202611-5021 contacts →

Exact match

“We believe accounting firms should be free from the cost and complexity of traditional IT.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchSydney, AustraliaHQ recorded Sep 27, 202611-5020 contacts →

Exact match

“Hashlock is the industry leading web3 security auditing firm.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchBrisbane, AustraliaHQ recorded Sep 27, 202611-5019 contacts →

Exact match

“RightSec offers a wide range of cyber security services to meet all business needs, from our Governance, Risk and Compliance (GRC) practice to our more technical services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchTullamarine, AustraliaHQ recorded Sep 27, 202611-5017 contacts →

Exact match

“Zynet is an Australian cyber security and IT services provider with more than 25 years of experience protecting organisations and keeping critical systems running.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchSydney, AustraliaHQ recorded Sep 27, 202611-5017 contacts →

Exact match

“CISO Online™ specialises in Cyber Security, Governance, Risk & Compliance (GRC), and Secure AI adoption for government agencies, large enterprises, and SMBs across Australia and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchVictoria, AustraliaHQ recorded Sep 27, 202651-20015 contacts →

Exact match

“Welcome to SecGenX, where safeguarding your digital assets and fortifying your business against evolving cyber threats is our passion.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchCremorne, AustraliaHQ recorded Sep 27, 202611-5014 contacts →

Exact match

“Facing the Complexities of Cybersecurity?”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchCastle Hill, AustraliaHQ recorded Sep 27, 202611-5011 contacts →

Exact match

“First responders.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchBrisbane, AustraliaHQ recorded Sep 27, 202611-5010 contacts →

Exact match

“Tax On Chain is a specialised crypto accounting firm offering accounting, taxation, and business growth advisory services for individuals and organisations operating in the crypto…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchSydney, AustraliaHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
15Exact matchCentral Queensland, AustraliaHQ recorded Sep 27, 20261-109 contacts →

Exact match

“Overview: Cyber Ethos is a leading cybersecurity business based in Queensland, Australia, equipping businesses with unrivalled cybersecurity solutions.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchSydney, AustraliaHQ recorded Sep 27, 20261-109 contacts →

Exact match

“Qualified CPA Australia and Chartered Accountant.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchAustraliaHQ recorded Sep 27, 202651-2009 contacts →

Exact match

“north is about helping clients tailor their cyber security to the challenges that are specific to their business.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchSunshine Coast, AustraliaHQ recorded Sep 27, 20261-108 contacts →

Exact match

“Haksec is a small cybersecurity firm based in Queensland, Australia founded by Luke Stephens (hakluke).”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchSouthbank, AustraliaHQ recorded Sep 27, 202611-507 contacts →

Exact match

“Crysp Consulting (Crysp) was founded by two professionals with collective experience of more than 35 years in the industry.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchSydney, AustraliaHQ recorded Sep 27, 202611-507 contacts →

Exact match

“IQBOX helps you pinpoint your organization’s most pressing vulnerabilities, eliminate critical threats, and implement a security program that leaves you free to focus on…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchCanberra, AustraliaHQ recorded Sep 27, 202651-2006 contacts →

Exact match

“The Pearson Corporation is a locally owned Canberra IT Consulting firm that has proven experience and a track record for delivering ICT and Cyber Security services to both the…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchMelbourne, AustraliaHQ recorded Sep 27, 20261-106 contacts →

Exact match

“Accounting firm”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchHomebush, AustraliaHQ recorded Sep 27, 202611-506 contacts →

Exact match

“Our team understands the unique challenges faced by businesses in maintaining compliance and warding off cyber attacks.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchSunshine Coast, AustraliaHQ recorded Sep 27, 20261-105 contacts →

Exact match

“A fresh approach to Cyber Security that enhances your business position and data protection.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchNarre Warren, AustraliaHQ recorded Sep 27, 20261-105 contacts →

Exact match

“Virtual IT Managed Services is a leading Provider in Cybersecurity and Managed IT Services for Accountants, Lawyers and other Professional Services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 174 accounting firm cybersecurity companies based in Australia

See the full list, filter by size, metro and specialty, and access 340 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Accounting firm cybersecurity companies based in Australia at a glance

As of Sep 27, 2026
33.9%Verified-email coverage
5.8Average contacts per company
1-10Median size (employees)
22.4%Largest-city concentration · Melbourne
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
112
11-50
51
51-200
10
201-500
1

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 174 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 “accounting firm cybersecurity companies” 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 340 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 27, 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 “accounting firm cybersecurity companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting firm cybersecurity companies are there based in Australia?

RevenueBase identified 174 company matches for accounting firm cybersecurity companies 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?

Triskele Labs tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most accounting firm cybersecurity companies?

Melbourne leads with 39 company records, followed by Sydney (34) and Brisbane (13).

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 340 professional contacts with verified work emails tracked across these 174 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 27, 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.