Company lists · Data refreshed October 2026

Top 11 Information security consultancies based in Adelaide, Australia

RevenueBase identified 27 company matches for information security consultancies associated with Adelaide, Australia as of October 2026 and tracks 126 professional contacts across them, including 70 with verified work emails. Across Australia, Sydney is the largest hub for this category (150 companies); Adelaide has 27.

This list covers company matches for information security consultancies associated with Adelaide, 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 October 1, 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 Oct 1, 2026 How this list was built
27Companies
126Contacts tracked
70Verified emails
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The 11 largest information security consultancies based in Adelaide, Australia

Ranked by team size
Top 11 of 27 company matches for information security consultancies based in Adelaide, Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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 matchAdelaide, AustraliaHQ recorded Oct 1, 202651-20042 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 · Oct 1, 2026 · View company records in RevenueBase
2Exact matchAdelaide, AustraliaHQ recorded Oct 1, 202611-5027 contacts →

Exact match

“Identifly is the leading Australian independent identity consultancy and partner in Australia, helping enterprises implement large scale identity security projects fast.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3Exact matchAdelaide, AustraliaHQ recorded Oct 1, 202611-507 contacts →

Exact match

“In 2025, Opportunity is abundant, but so is risk.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4Exact matchAdelaide, AustraliaHQ recorded Oct 1, 20261-107 contacts →

Exact match

“Synergy Compliance is a specialist compliance and governance consultancy and managed service provider.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5Exact matchAdelaide, AustraliaHQ recorded Oct 1, 20261-106 contacts →

Exact match

“We can help reduce your cyber risk by improving its governance by: 1.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchAdelaide, AustraliaHQ recorded Oct 1, 20261-105 contacts →

Exact match

“Reckon Security provides expertise in IT Security services to Australian government and corporate clients.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7Exact matchAdelaide, AustraliaHQ recorded Oct 1, 202611-505 contacts →

Exact match

“Most AI projects in manufacturing fail.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchAdelaide, AustraliaHQ recorded Oct 1, 20261-104 contacts →

Exact match

“Information Security Specialists SecureWare specialise in information security solutions and services.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchAdelaide, AustraliaHQ recorded Oct 1, 20261-103 contacts →

Exact match

“Australian Cyber Defence - Managed cyber security, IT Support, Consulting and Assessments.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchAdelaide, AustraliaHQ recorded Oct 1, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchAdelaide, AustraliaHQ recorded Oct 1, 20261-101 contacts →

Exact match

“Systematech consulting works with small to medium businesses to help understand the complicated world of working online and keeping your business safe, secure, and working.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 11 of 27 information security consultancies based in Adelaide, Australia

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Information security consultancies based in Adelaide, Australia at a glance

As of Oct 1, 2026
55.6%Verified-email coverage
4.7Average contacts per company
1-10Median size (employees)
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
20
11-50
6
51-200
1

Email recency for this list is measured across the whole Australia list rather than for Adelaide, so it is reported there. Company counts and contact totals on this page are exact for Adelaide, over 27 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 Adelaide, Australia whose business descriptions match “information security consultancies” 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 70 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 October 1, 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 “information security consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many information security consultancies are there based in Adelaide, Australia?

RevenueBase identified 27 company matches for information security consultancies associated with Adelaide, Australia as of October 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?

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

Which city in Australia has the most information security consultancies?

Sydney leads Australia with 150 company records, followed by Melbourne (147) and Brisbane (60). Adelaide has 27.

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 70 professional contacts with verified work emails tracked across these 27 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 October 1, 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.