Company lists · Data refreshed September 2026
Top 25 Critical infrastructure security consulting companies based in Canberra, Australia
RevenueBase identified 51 critical infrastructure security consulting companies headquartered in Canberra, Australia as of September 2026 and tracks 573 professional contacts across them, including 209 with verified work emails. Across Australia, Melbourne is the largest hub for this category (131 companies); Canberra has 51.
This list covers critical infrastructure security consulting companies headquartered in Canberra, 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 27, 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 critical infrastructure security consulting companies based in Canberra, Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 62 contacts → | ||||
Partial evidence “a23 is a straight-talking, Australian-owned IT consulting firm focused on what matters most to government and business.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 35 contacts → | ||||
Indirect evidence “Noetic challenges clients to think differently and adopt new approaches to find solutions.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 30 contacts → | ||||
Indirect evidence “The Cyber Capability team has extensive experience with many of our principal consultants having worked at senior levels in Federal and State governments and the commercial…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 28 contacts → | ||||
Partial evidence “Jigsaw Notions is a professional services consultancy specialising in Cyber Security, Engineering, Procurement, and Management solutions, supporting Australian Industry and…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 21 contacts → | ||||
Partial evidence “A strategy, intelligence and creative communications consulting firm, OCRT works with government and industry partners to design, develop and deliver scalable solutions.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 21 contacts → | ||||
Indirect evidence “JL2 Group is a team of specialists trusted by government, defence and industry to solve complex problems, deliver high-impact outcomes and build long-term capability.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 20 contacts → | ||||
Strong evidence “Cyconsol is an Australian based professional service provider specialising in the delivery of cyber security and IT related business consulting and training services.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 18 contacts → | ||||
Strong evidence “SAHR is an Australian-owned professional services business providing niche consulting services to the Defence and National Security sector.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 12 contacts → | ||||
Partial evidence “Aegis9 is an Australian owned consultancy that specialises in providing tailored security solutions for both public and private sector clients, based on their specific needs.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 11 contacts → | ||||
Partial evidence “At Helix, our mission is to strengthen Australia’s national security capability by delivering trusted people, intelligence-led vetting, and lean professional services to the…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 7 contacts → | ||||
Indirect evidence “Advantage Advisory provides specialist management consultancy services to federal government clients in- Strategy & policy - Capability development - Project & program management…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 7 contacts → | ||||
Strong evidence “STSC delivers Security, Technology, and Strategy Consulting services to commercial, corporate, and executive customers; a field in which we have been operating for almost fifteen…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 6 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 4 contacts → | ||||
Strong evidence “Government, Defence and Critical Infrastructures are a serious business, and you want to be taken seriously.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 4 contacts → | ||||
Strong evidence “Established in 2020, Five Eyes Consulting is a fast-growing Information Security and Technology consulting firm based in Canberra, Australia.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 contacts → | ||||
Indirect evidence “Apex Sentinel protects and enables what is necessary for Australians to live, work, and prosper.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 2 contacts → | ||||
Indirect evidence “CORWIL Group provides a range of professional services to the Defence, Other Government Agencies and private industry sectors.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 2 contacts → | ||||
Strong evidence “Security services consulting group specialising in cyber risk, maturity modelling, and pre IRAP assessments.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2 contacts → | ||||
Partial evidence “Brady Perspectives provides boutique strategic problem-solving research, analysis and consulting services to government and private-sector clients.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1 contacts → | ||||
Strong evidence “PCG Cyber consultancy services provide tailored and honest cyber security consulting to Government and Industry organisations across Australia that ensures every customer is as…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1 contacts → | ||||
Strong evidence “Cavum Consulting is a specialist Australian owned and managed Cyber security consultancy working with many Commonwealth Government agencies and private organisations.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 contacts → | ||||
Indirect evidence “Stirling Advisory provides strategic advisory and consultancy services to Australian and international industry who are currently engaged, or want to engage, with the defence…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 contacts → | ||||
Strong evidence “Next Step Cyber provides cyber security consulting to private and public organisations throughout Australia to empower clients to understand cyber compliance, deploy secure…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Partial evidence “Intrinsic Cyber is a 100% Australian owned cyber security consultancy, headquartered in Canberra.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 27, 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: critical infrastructure security consulting 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 critical infrastructure security consulting companies.
- Partial evidence
- Its own public description names part of critical infrastructure security consulting companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name critical infrastructure security consulting 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 51 critical infrastructure security consulting companies based in Canberra, Australia
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Critical infrastructure security consulting companies based in Canberra, Australia at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured across the whole Australia list rather than for Canberra, so it is reported there. Company counts and contact totals on this page are exact for Canberra, over 51 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 critical infrastructure security consulting 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 Canberra, Australia whose own description of what they do matches “critical infrastructure security consulting 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 critical infrastructure security consulting 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 critical infrastructure security consulting companies, and records with no verified work email. Companies headquartered outside Canberra 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, 209 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 27, 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.
Critical infrastructure security consulting companies by metro in Australia
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 critical infrastructure security consulting 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 critical infrastructure security consulting companies are there based in Canberra, Australia?
RevenueBase identified 51 critical infrastructure security consulting companies headquartered in Canberra, 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?
A23, headquartered in Canberra, tops this list with the largest team on record.
Which city in Australia has the most critical infrastructure security consulting companies?
Melbourne leads Australia with 131 headquartered companies, followed by Sydney (130) and Brisbane (61). Canberra has 51.
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 209 verified decision-maker contacts tracked across these 51 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 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 51 critical infrastructure security consulting companies based in Canberra, Australia. Start with a free account, no credit card.
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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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