We’ve compiled a list of the leading cybersecurity companies in Australia to help you find high-quality and competitive services for your business. Compare their past projects, clients, reviews, expertise, team size and more to make an informed hiring decision.
We Researched the Best Australia Cybersecurity Firms for You
118 Companies-Rankings updated: September 23, 2026
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
Accelerating Software Development - Building Offshore Software Development Centers
Accelerating Software Development - Building Offshore Software Development Centers
Saigon Technology delivers cybersecurity services to SMBs, covering threat detection, managed firewall, ransomware protection, and compliance support for HIPAA, SOC 2, PCI, GDPR, and CCPA. With 300+ global clients, it has established itself as a trusted cybersecurity services provider...
Internut provides CREST-certified penetration testing, AI-assisted threat detection, and 24/7 SOC monitoring across web, mobile, API, and cloud environments. With 20+ years of experience, the leading cybersecurity company has protected 500+ businesses...
CREST-accredited penetration testing expert, Borderless CS specializes in over 15 cybersecurity services, including vCISO as a Service and Microsoft 265 protection. Led by a team of 36 Australian certified experts, the cybersecurity firm serves SMEs and enterprises seeking a local partner...
Enterprise AI Solutions | Scalable . Flexible. Sustainable
Enterprise AI Solutions | Scalable . Flexible. Sustainable
Achieving a CMMI Level 5, Seasia Infotech offers robust, scalable IAM, cloud security, CSOM, advanced threat protection, and managed cybersecurity services. With over 20+ years in enterprise IT security, it has helped BFSI, healthcare, government, and logistics companies achieve cyber resilience...
Using the same tech Google uses to make your app beautiful.
Using the same tech Google uses to make your app beautiful.
Aviato Consulting, founded by former Google employees, leverages their expertise to deliver stunning, high-performing apps at a lower cost, all for a fixed monthly fee. Benefit from our team's extensive experience to achieve your app development goals efficiently and affordably...
Tikka Consulting Where Innovation Meets Implementation.
Tikka Consulting Where Innovation Meets Implementation.
Tikka is a new IT consulting firm that excels in delivering unparalleled IT and business management services and solutions. With a relentless commitment to excellence, Tikka sets itself apart through its exceptional provision of cutting-edge technology strategies and expert guidance. We are dedicated to...
DigiOne transformed IT management with over two decades of expertise, offering customized solutions that drive efficiency and innovation for enterprises, agencies, and SMBs alike...
If you think about SOC2, ISO27001, ISO 42001, GDPR, HIPAA, HITRUST Services, Securis360 For you! We weave a web of protection so strong, even the most cunning spider wouldn't dare to tangle...
With Cygnet.One, our goal is to seamlessly integrate our offerings empowering organizations to tackle challenges with tech-enabled and data-driven solutions facilitating business process digital transformation. This is achieved through our digital transformation framework, Cygnet Cosmos...
Ruby on Rails and React developers in Sydney Australia
Ruby on Rails and React developers in Sydney Australia
We build intelligent, scalable software platforms & products. Build with us or we can advise on your existing technology or team.Sound interesting? Then come and talk to us. Let’s make something awesome together. ...
With custom apps, superior security protocols, 24/7 mobile support and other industry leading security tools and resources, Mobile Mentor is one of the most trusted cybersecurity firms in the world. Founded in New Zealand in 2004, the company is ready to assist with all your cybersecurity needs...
Intergy Consulting has been helping Australian clients achieve their business goals through the creation of high quality custom-made software and Mobile app solutions...
Webcom Systems Pty Ltd is an Australian-based fintech development company that leads the way in today's digital arena. We specialize in a range of innovative solutions tailored to meet the dynamic needs of the tech-driven world...
Knowledge On TAP is an Okta IAM Solution Partner, helping businesses implement the most secure IAM (Identity and Access Management) Solution to safeguard and protect their digital assets against cyber threats and data breaches...
Security is not a destination, but a journey. Entersoft works relentlessly as a partner and advisor to empower client business leaders to take charge of their application security. Seamlessly integrating with existing processes, we incorporate a combination of offensive assessments, pragmatic managed security...
Revolutionizing Banking With Practical Innovation.
Revolutionizing Banking With Practical Innovation.
At Experion Technologies, we specialize in future-proofing finance app development that revolutionizes the banking industry. We leverage the latest technologies and design principles to deliver truly innovative solutions that meet the needs of our customers. Our expertise in product engineering and digital...
BR Softech is the leading mobile game development company in the USA. We deal in website development, game development, and app design and development...
Sibedge is a globally distributed software engineering company that puts people first. For over 15 years, we have successfully implemented over 350 projects across more than 27 countries...
We partner with businesses, brands, not-for-profits and government. We're here to help invent, create, build and leverage your digital brand or product. Want to explore creative ideas, create compelling customer experiences or learn to connect with new audiences? We'll be your partner in crime, by your side...
EY offers Accounting, Business Consulting, and IT Services with a mission to build a better working world. It provides insights and quality services that instill trust in global capital markets and economies. EY focuses on developing exceptional leaders who deliver on their commitments to all stakeholders...
NSW IT SUPPORT is a Sydney based IT company in Australia established to offer a single point of contact for IT, Telecommunication and Procurement services for every business across New South Wales. We exclusively provide flexible and on-demand access to the latest cutting-edge enterprise-level technologies...
Collaborating for Lasting Impact in Business Consulting
Collaborating for Lasting Impact in Business Consulting
Join us at Deloitte, where we believe that our collective influence is the cornerstone of our value. With a rich legacy spanning over 175 years and a global network encompassing 150 countries, we empower remarkable achievements, solve complex problems, and drive meaningful progress for clients, professionals...
A Software Quality Assurance, Testing & DevOps Company
A Software Quality Assurance, Testing & DevOps Company
Established in 2000, Testhouse is a global, independent, technology agnostic Software Testing and Quality Assurance company based out of London, UK with operations in the Middle East, USA, Australia, New Zealand and India...
BDO is a trusted adviser to clients seeking project management, audit, tax, and business consulting services. As one of the worlds leading audit and accounting organisations, we have clients of all types and sizes from large corporate organisations to private businesses, entrepreneurs and individuals across...
Qbit has extensive knowledge in all facets of business ICT, having signed our first client over 16 years ago. Our large team is highly trained and certified in the latest technologies and methodologies, giving us the confidence to be both your technology partner, and advisor...
Gridware Cybersecurity is an Australian information security risk auditing and consulting startup based in Sydney. Servicing corporate, fintech and SMEs...
Fortify Your Business with Effective Cybersecurity
Fortify Your Business with Effective Cybersecurity
Protect your business from cyber threats and fortify your defenses with our leading cybersecurity services. Safeguard your networks, devices and data while minimizing the risks of financial loss and reputational damage. Trust our expertise to deliver tailored solutions that empower your business in today's...
In an era when businesses are increasingly exposed to sophisticated and unseen threats, 3Columns exists to help you enhance and strengthen your IT infrastructure and strategy, by embedding security into every element...
Offering AgTech, Business, and IT Services. Baker Tilly Canada Cooperative is a member of the global network of Baker Tilly International Limited, the members of which are separate and independent legal entities. Baker Tilly Canada refers to the association of member firms of Baker Tilly Canada Cooperative...
Native Point of Sale powered by the Oracle NetSuite solutions allowing retailers to operate a dynamic business while providing customers with a seamless instore and online experience...
A boutique cyber security consultancy firm that specializes in application security, cloud security, DevSecOps, threat modelling with focus on small businesses and startups. Also, provide multiple unique solutions like CyberRISK4Board and cyber risk management consulting...
IT Advisors Online (ITAdOn) is a growing team of technology experts who are passionate about helping companies like yours boost their effectiveness. Join ITAdOn today and grow your business. When you succeed, we succeed!...
Savvycom is an AI-driven software development and IT consulting company founded in 2009, helping enterprises design, build, and modernize digital systems that deliver measurable business outcomes. Recognized as one of Vietnams Top 10 Digital Technology Companies, Savvycom partners with organizations...
We are a development-focused company that specializes in both open-source web apps and bespoke software. To help our customers expand and progress their businesses, we assist them in locating and implementing technology that is both practical and effective...
Business Cybercrime Protection and Threat Prevention Experts
Business Cybercrime Protection and Threat Prevention Experts
We help businesses by destroying current cybercrime threats and preventing future occurrences with a suit of managed services designed to shut down cyber threats from all angles, before they can become a problem. We also train company employees with threat simulation testing and training services, this...
Sello Tech provides a 360 degrees cyber security protection encompassing our three pillars: Protect, Detect, and Respond. Get ahead of attackers, your organisation is too valuable to be stalled by a cyber attack...
What certifications should a cybersecurity company in Australia have?
A credible cybersecurity company in Australia should have certifications and accreditations from the following organisations:Â
Australian Cyber Security Centre (ACSC)Â
Australian Signals Directorate (ASD)Â
CompTIAÂ Â
SANS Institute Â
ISACAÂ Â
Global Information Assurance Certification (GIAC)Â
Additionally, Australian cybersecurity companies must be familiar with the Australian Privacy Principles, Essential Eight framework, NIST-CSF framework, and Defence Industry Security Program. They should also have an Infosec Registered Assessors Program (IRAP) assessment.Â
What should I look for when hiring an Australian cybersecurity firm?
When hiring an Australian cybersecurity firm, look for the following qualifications to verify expertise and reliability:Â
Proven track record in your industry and systemÂ
Knowledge of the latest global and local trends, threats, and best practicesÂ
Relevant certifications and accreditations
Verifiable client reviews and references
Transparent reporting and auditing processes
Business stability
Cultural fit
What red flags should I avoid when selecting a cybersecurity company in Australia?
When selecting a cybersecurity company in Australia, avoid the following red flags:Â
Limited knowledge of Australian-specific cybersecurity regulations and frameworksÂ
Outdated company certifications, accreditations, and assessmentsÂ
Inadequate case studies and project portfolios, particularly in your industry and requirementsÂ
Pattern of problematic behaviour, as highlighted in client reviewsÂ
Unwilling to provide the credentials of its individual team members Â
High exit fees and inflexible contractsÂ
What factors affect the pricing of an Australian cybersecurity firm?
A business’s IT infrastructure size, complexity, and security strength are the primary factors that affect the pricing of an Australian cybersecurity firm. Other factors include type and level of security, industry-specific compliance requirements, and the number of users and devices.Â
For instance, network monitoring can cost between $100 and $2,000 per month. On the other hand, a security operations centre (SOC) for cloud cybersecurity costs $2,7000 per professional on average. Â
How do cybersecurity companies in Australia measure project success?
Cybersecurity companies in Australia measure project success by selecting KPIs and reporting frameworks based on business goals and SLAs. The most common metrics they measures include:Â
Risk and control maturity: Essential Eight, security audit compliance, and level of preparednessÂ
Detection and response: MTTD, MTTR, incident response rateÂ
Coverage and quality: Number of vulnerability scans conducted, number of cybersecurity incidents reportedÂ
People and preparedness: User awareness training completion rateÂ
Proposals