What are the Top Cybersecurity Companies in Australia 2026-2027?

Companies providing security assessments, managed security, incident response and compliance services. Compare verified providers in Australia, see typical 2026-2027 pricing and use our checklist to pick the right partner.

Category: CybersecurityUpdated: November 2026Published by: iCreativez TechnologiesCountry-specific lists: 10 of 67

9 companies based in Australia

Companies based in Australia only: Clutch-verified Cybersecurity Companies with an office in Australia and established cybersecurity firms based in Australia selected by the iCreativez research team. International providers are shown separately below and are not counted as local.

Companies based in Australia

  1. 1

    Borderless CS

    Melbourne, Australia

    Min. project
    $10,000+
    Hourly rate
    $100 - $149 / hr
    Team size
    10 - 49

    Main services: Cybersecurity, IT Managed Services

    Visit websiteborderlesscs.com.au✓ Verified business
  2. 2

    AUP IT

    Sydney, Australia

    Min. project
    $5,000+
    Hourly rate
    $200 - $300 / hr
    Team size
    10 - 49

    Main services: IT Managed Services, Cybersecurity, IT Strategy Consulting

    Visit websiteaupit.com.au✓ Verified business
  3. 3

    CyberSafeHaven Consulting

    Hughesdale, Australia

    Min. project
    $5,000+
    Hourly rate
    $100 - $149 / hr
    Team size
    2 - 9

    Main services: Cybersecurity, Blockchain, IT Strategy Consulting

    Visit websitecybersafehaven.com✓ Verified business
  4. 4

    Computer One

    Brisbane City, Australia

    Min. project
    $10,000+
    Hourly rate
    $150 - $199 / hr
    Team size
    10 - 49

    Main services: IT Managed Services, IT Strategy Consulting, Cybersecurity

    Visit websitecomputerone.com.au✓ Verified business
  5. 5

    Stratus Security

    Melbourne, Australia

    Min. project
    $5,000+
    Hourly rate
    $100 - $149 / hr
    Team size
    10 - 49

    Main services: Cybersecurity

    Visit websitestratussecurity.com✓ Verified business
  6. 6

    Boost IT

    Brisbane City, Australia

    Min. project
    Undisclosed
    Hourly rate
    $150 - $199 / hr
    Team size
    10 - 49

    Main services: IT Managed Services, Cybersecurity, Cloud Consulting & SI

    Visit websiteboostit.com.au✓ Verified business
  7. 7

    Mantel

    Melbourne, Australia

    Min. project
    Undisclosed
    Hourly rate
    Undisclosed
    Team size
    250 - 999

    Main services: Cybersecurity, AI Agents, AI Consulting

    Visit websitemantelgroup.com.au✓ Verified business
  8. 8

    Cliffside Cybersecurity

    Sydney, Australia

    Min. project
    Undisclosed
    Hourly rate
    Undisclosed
    Team size
    10 - 49

    Main services: Cybersecurity, Cloud Consulting & SI, IT Managed Services

    Visit websitecliffside.com.au✓ Verified business
  9. 9

    CyberCX

    Melbourne, Australia

    Why listed: established firm with an office in Australia, selected by the iCreativez research team for its scale and track record.

    Visit websitecybercx.com.au✓ Based in Australia

International firms to consider for Australia

Headquartered outside Australia or working remotely, so not counted in the local list above. Some work with clients in Australia through regional offices, partners or remote teams; check coverage before you shortlist.

  1. 10

    CrowdStrike

    Headquarters: Austin, USA

    Why listed: Established Cybersecurity firm operating internationally.

    Visit websitecrowdstrike.com★ Established industry leader
  2. 11

    Palo Alto Networks (Unit 42)

    Headquarters: Santa Clara, USA

    Why listed: Established Cybersecurity firm operating internationally.

    Visit websitepaloaltonetworks.com★ Established industry leader
  3. 12

    Mandiant (Google Cloud)

    Headquarters: Reston, Virginia, USA

    Why listed: Established Cybersecurity firm operating internationally.

    Visit websitemandiant.com★ Established industry leader
  4. 13

    NCC Group

    Headquarters: Manchester, United Kingdom

    Why listed: Established Cybersecurity firm operating internationally.

    Visit websitenccgroup.com★ Established industry leader
  5. 14

    Sophos

    Headquarters: Abingdon, United Kingdom

    Why listed: Established Cybersecurity firm operating internationally.

    Visit websitesophos.com★ Established industry leader

About Cybersecurity providers

Companies providing security assessments, managed security, incident response and compliance services.

Cybersecurity companies protect organisations from attacks, data breaches and compliance failures through testing, monitoring, response and advisory work. Credentials, response capability and honesty about risk matter most.

In Australia, Cybersecurity Companies are concentrated around Sydney, Melbourne, Brisbane and Perth. Local rates sit at the upper end of the global ranges, so many buyers in Australia pair a local lead with nearshore or offshore delivery to manage cost.

How to choose the best Cybersecurity Companies in 2026-2027

  • Ask for sample reports and incident response playbooks.
  • Ask for certifications such as CREST, OSCP, CISSP or ISO 27001.
  • Check 24/7 monitoring and incident response capability.
  • Ask how findings are reported and prioritised.

What does it cost?

Penetration tests commonly cost $5,000-$30,000 per scope; managed security (SOC/MDR) often runs $3,000-$20,000+ per month depending on size.

Before you sign

Ask for a written proposal with scope, milestones, team members and exit terms, and speak to at least one current client of each shortlisted provider.

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Frequently asked questions

What are the top Cybersecurity Companies in 2026-2027?

Our 2026-2027 shortlist of Cybersecurity Companies includes verified providers such as CyberDuo, Nexa, Qualysec Technologies Pvt Ltd, CrowdStrike, Palo Alto Networks (Unit 42). Use the country selector to see only firms based in your country.

What do Cybersecurity Companies do?

Companies providing security assessments, managed security, incident response and compliance services. Cybersecurity companies protect organisations from attacks, data breaches and compliance failures through testing, monitoring, response and advisory work.

How much do Cybersecurity services cost in 2026-2027?

Penetration tests commonly cost $5,000-$30,000 per scope; managed security (SOC/MDR) often runs $3,000-$20,000+ per month depending on size. Prices vary by scope, seniority and location, so ask at least three providers for written proposals.

How do I choose the right Cybersecurity Company?

Ask for sample reports and incident response playbooks. Ask for certifications such as CREST, OSCP, CISSP or ISO 27001. Check 24/7 monitoring and incident response capability.

How were these Cybersecurity Companies selected?

The worldwide view lists Clutch-verified specialists (registered businesses independently verified on Clutch with working websites, ordered by verified client reviews as of November 2026) and established industry leaders. When you choose a country, the main list shows only companies based in that country or with an office there: Clutch-verified firms with a local office, plus established local firms selected by the iCreativez research team. International firms are shown in a separate, labelled section. Inclusion is free and not paid for.

How this list is compiled

Worldwide view: Clutch-verified specialists (registered businesses independently verified on Clutch with a working website, ordered by their number of verified client reviews) followed by established industry leaders. Country view: the main list is strictly local. It shows only Clutch-verified firms with an office in the selected country and established firms based in that country that the iCreativez research team selected for their scale and track record. Large international firms and remote teams that serve the country appear in a separate, labelled section and are never counted as local. Where we have not yet verified enough local firms, the page says so instead of padding the list. Minimum project size, hourly rates and team size are as published by each company in November 2026. Inclusion is free and not paid for. Providers can request a review via our contact page.