Top Cyber Security Companies in Sydney
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Explore Reviewed Cyber Security Companies in Sydney — Find Skilled Cyber Security Professionals for Your Project
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15 Companies
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Australia
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New South Wales
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Sydney
5.0 (3 Reviews)
49
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
49
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Powering Enterprises with AI and Innovation
Seasia Infotech is an AI-driven digital engineering company with 20+ years of experience building enterprise-grade technology solutions. We help organizations design, develop, and scale secure and high-performance digital products that drive transformation and long-term growth. We operate at the intersection of AI, cloud computing, enterprise engineering, and product innovation, enabling businesses to adopt modern technologies faster and more efficiently. Our focus is on solving real-world business problems using intelligent systems, automation, and scalable architecture. We have worked with startups, enterprises, and global companies across industries such as healthcare, fintech, legaltech, e-commerce, education, logistics, and energy. Our delivery spans custom software, mobile apps, SaaS platforms, AI solutions, and cloud-native systems. At Seasia Infotech, we believe software should continuously evolve with business needs. As an AI-first engineering organization, we embed intelligence, governance, and measurable outcomes into every solution we deliver. Our Expertise Custom Software Development Enterprise Solutions (ERP, CRM, CMS) Enterprise Software Engineering & Modernization AI & Machine Learning Solutions Generative AI (Chatbots, Image & Text Generation) Agentic AI & Intelligent Automation Cloud Computing & DevOps Mobile App Development (iOS, Android, Cross-Platform) Web Development (Frontend & Backend) Data Engineering & Big Data Analytics UI/UX Design & Product Strategy Quality Engineering & AI-Powered Testing Blockchain Development IoT Solutions AR/VR Solutions Cybersecurity & Enterprise Security E-commerce Development Low-Code / No-Code Development Digital Transformation & Smart Automation We are committed to delivering high-quality, transparent, and outcome-driven solutions that help businesses reduce costs, improve efficiency, and accelerate innovation. Our goal is to empower organizations with future-ready digital ecosystems. Seasia Infotech continues to shape the future of digital transformation through AI-first thinking and deep engineering expertise.
See all 40+ Portfolios
$25-$49/hr
$5,000+
500 - 999
Sydney, Australia
Verified Client Review
E-Commerce Engine for Web Dev Firm
Reviewed by: William Akuoko, CEO at ADEHYEE INFOTECH LTD View all 3 Reviews
5.0 (4 Reviews)
36
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
36
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Driving Excellence in Salesforce, Ai ML and Cloud solutions
Oak Tree Software, founded in 2016, is a global technology consulting and development company specializing in Salesforce, cloud, and digital transformation solutions. With a team of certified Salesforce developers in the USA and offshore experts worldwide, we deliver end-to-end services designed to accelerate business growth and solve complex technology challenges. Our expertise spans AI & ML consulting, Cybersecurity, Data Engineering & Business Intelligence, DevOps & Cloud Automation (AWS, Azure, GCP), Full Stack Development, Custom CRM Solutions, Salesforce app development, and Enterprise Mobile & Web Applications. With proven experience across 20+ industries, we combine innovation and specialized talent to provide dedicated staffing models, offshore development, and hybrid engagement solutions that are tailored to client goals. At Oak Tree Software, we don’t just fix software problems, we empower businesses to unlock their true potential with scalable, secure, and future-ready solutions.
View Oak Tree Software Profile
$25-$49/hr
$5,000 - $1,000,000
100 - 250
Sydney, Australia
Verified Client Review
Custom Software Development for Global Recruitment Provider
Reviewed by: Mauzam Munshi, Director at MM Management View all 4 Reviews
0.0 (0 Reviews)
32
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
32
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Cyber Security Solutions, IT consulting, IT Managed Service Provider, Managed Cyber Security, Private Cloud Solutions
FOIT Group is Australia's trusted managed IT service provider, offering end-to-end solutions, including cybersecurity, cloud, and connectivity. With a people-first approach, top-notch customer service, and tailored strategies, we ensure secure, innovative, and reliable tech support for businesses. Choose FOIT Group for quality service and the right technology fit to keep your business ahead.
View FOIT Group Profile
N/A
$0+
0+
Sydney, Australia
0.0 (0 Reviews)
28
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
28
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Combining technology expertise to strengthen managed services for regulated entities
360 Managed is a managed IT services and technology strategy firm delivering high-touch support to organizations in financial services, nonprofit, and other highly regulated industries. The company partners closely with clients to design secure, compliant business solutions using best-in-class technologies. With a focus on stability, performance, and cybersecurity, 360 Managed helps organizations maintain reliable IT environments while meeting strict regulatory and operational requirements.
View 360 Managed Profile
N/A
$1,000+
2 - 9
Sydney, Australia
0.0 (0 Reviews)
28
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
28
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Your Partner in Scalable Digital Growth
GYSP.tech's Cloud & DevOps expertise ensures scalable FinOps and DevSecOps strategies, while its AI/ML & Data Science teams build cutting-edge Generative AI and Predictive Analytics platforms. The company excels in end-to-end Product Engineering, delivering market-ready MVPs and modernizing Legacy Systems with seamless Full-Stack Integration and Microservices Architecture. The company’s expertise also includes Web/Mobile App development for optimal user experience.
View GYSP.tech Profile
< $25/hr
$500 - $10,000
50 - 200
Sydney, Australia
0.0 (0 Reviews)
26
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
26
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Your Partner for Web, App & Cloud Solutions
NexusByte is a Sydney-based digital and IT solutions agency specialising in web design and development, mobile app development, ecommerce solutions, cloud consulting, and cybersecurity services. We help startups, small to mid-sized businesses, and growing organisations build secure, scalable, and high-performing digital products. Our team delivers custom websites, web applications, and software solutions backed by reliable IT support, cloud infrastructure, and security best practices. With a practical, results-driven approach and transparent communication, NexusByte partners with businesses to streamline operations, enhance digital performance, and support long-term growth.
View NexusByte Technology Profile
N/A
$1,000 - $5,000
11 - 50
Sydney, Australia
4.8 (2 Reviews)
4.8 (2 Reviews)
25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Australia's Leading Smart Contract Auditing Firm
Hashlock is Australia's top independent blockchain cybersecurity and smart contract auditing firm, specializing in auditing and manual analysis. With a background in competition and web3 bug bounty, they have audited projects like Redbelly Network, Verida Network, Tomcat Finance, and CSENS. They excel in quantity and quality of vulnerability findings, while maintaining high collaboration with clients globally.
View Hashlock Profile
$100-$149/hr
$10,000+
10 - 49
Sydney, Australia
Verified Client Review
Product Audit for Web3 Rewards System Provider
Reviewed by: Malcolm Robertson, CEO at ItsCommonsense Pty Ltd T/as CSENS View all 2 Reviews
0.0 (0 Reviews)
0.0 (0 Reviews)
22
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
22
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Client Focused. Results Driven.
Tritusa is an Australian-based software services and testing consulting company, headquartered in Sydney, with a strong presence in Melbourne, Canberra, and Brisbane. Established in 2011, Tritusa focuses on specialized areas critical to modern businesses, such as SAP Testing, Test Automation, Performance Testing, and Software Development. With operations across the nation, Tritusa serves a diverse clientele from the public and private sectors, ensuring accessibility and tailor-made solutions. Tritusa is 100% Australian-owned and operated, reflecting its commitment to contributing to the growth and development of the Australian business landscape. The company's diverse client portfolio includes the Australian Government, Energy, Utility, Logistics, Banking, Education, Manufacturing, Retail, and Insurance. Tritusa's success is attributed to a dedicated and highly skilled team with over a decade of collaborative experience. The company provides innovative solutions to complex business challenges and is committed to staying updated on industry trends, technological innovations, and insights that can transform businesses.
View Tritusa Profile
$150-$199/hr
$250,000+
50 - 249
Sydney, Australia
0.0 (0 Reviews)
17
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
17
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Top-Rated Mobile Application Dev Firm
One of the leading software development and BPO organizations in the globe, Sataware provides worldwide clients with dependable and effective BPO outsourcing solutions. We actually offer 24X7 services because we have offices in the USA & India. Finding the ideal technical partner for Web, mobile, desktop application development, and BPO services can be tough, but Sataware stands out for having a solid set of competencies that can help you accomplish your vision. Basically, the safe, scalable, upward-facing, and trustworthy business systems are the focus of our services. Our most creative information technology and software outsourcing services are built with a focus on addressing the particular needs and objectives of our clients. We publicize our high standards through our inexpensive, trustworthy, and high-quality software services.
View Sataware Technologies Profile
$25-$49/hr
$1,000+
50 - 249
Sydney, Australia
0.0 (0 Reviews)
0.0 (0 Reviews)
17
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
17
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Improve Software Products
Dazlab is a trusted software development and innovation partner, specializing in SaaS products, custom software solutions, and web and mobile app development. We combine creativity and technical expertise to ensure your technology drives business growth. Whether optimizing CMS-driven websites or building seamless digital platforms, our team delivers solutions tailored to your unique requirements. With experience creating hundreds of products for clients—and many in-house—we understand both business objectives and developer workflows, enabling a streamlined, efficient, and stress-free development process. Partner with Dazlab to transform ideas into scalable, high-performing software that accelerates your business success.
View Dazlab Profile
$100-$149/hr
$50,000+
10 - 49
Sydney, Australia
0.0 (0 Reviews)
17
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
17
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Knowledge, wisdom, and action.
Hokma Consulting and Technology Solutions is a leading management and technology consulting firm, delivering innovative strategies and advanced digital solutions for businesses worldwide. By combining deep industry expertise with cutting-edge technologies, we help organizations overcome complex challenges, optimize operations, and achieve sustainable growth. Our services include enterprise product development, custom software development, management consulting, and professional training, providing end-to-end solutions tailored to each client’s goals. We design scalable, reliable, and user-centric software solutions that drive efficiency and performance. Our enterprise products leverage emerging technologies to enhance agility and maintain a competitive edge in rapidly evolving markets. Through strategic consulting and actionable insights, Hokma empowers businesses to innovate, adapt, and thrive. Our professional training programs in business analysis, leadership, technical certifications, and industry best practices equip teams to succeed in today’s dynamic business environment. Partnering with Hokma ensures your organization benefits from transformative solutions, measurable results, and long-term growth in an ever-changing digital landscape.
View Hokma Consulting and Technology Solutions Profile
N/A
$1,000+
10 - 49
Sydney, Australia
0.0 (0 Reviews)
0.0 (0 Reviews)
6
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
6
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Experts in Innovation, AI and Blockchain Marketing
Forestlyn is a Sydney-based marketing consultancy founded by Lucy Lin, specializing in communications strategy for innovation-driven and emerging technology businesses. The consultancy helps corporate technology firms, disruptive startups, and founders translate complex technical concepts into clear market positioning, messaging, and audience segmentation. Forestlyn's core specialities span blockchain and cryptocurrency (including ICOs, TGEs, and STOs), artificial intelligence, machine learning, big data, IoT, robotics, cybersecurity, AR/VR, drones, smart cities, and autonomous vehicle technology, giving it unusually deep fluency in frontier technology sectors. Services include strategic planning, go-to-market execution, education, and hands-on marketing implementation, with prior work spanning financial services, legal, insurance, geospatial, supply chain, healthcare, entertainment, and travel industries. Rather than acting as a generalist agency, Forestlyn positions itself as a specialist partner that understands both the underlying technology and how to communicate it to global audiences. For technology founders and innovation teams seeking a marketing partner fluent in emerging tech, Forestlyn offers a boutique, founder-led alternative to larger generalist agencies.
View Forestlyn Profile
N/A
$1,000+
2 - 9
Sydney, Australia
0.0 (0 Reviews)
0.0 (0 Reviews)
6
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
6
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Digital transformation, built different.
Dynamo6 is a digital transformation company that helps businesses navigate the complexity of modern technology through genuine relationship-building rather than one-size-fits-all solution selling. The company listens closely to each client's specific challenges before recommending a path forward, drawing on specialised expertise in cloud technology, cybersecurity and broader digital services. Dynamo6's distinctive approach combines people, process and technology, ensuring recommended solutions fit not only a client's technical requirements but also their organisational readiness and operational realities. This consultative, trust-based methodology allows Dynamo6 to bring clarity to complex technology decisions, simplifying what can often feel overwhelming for business leaders evaluating cloud migration, security upgrades or broader digital initiatives. Rather than pushing predetermined products, the company positions itself as a partner focused on solving real business problems through the right combination of cloud, security and digital expertise. Organisations seeking a digital transformation partner that prioritises understanding over quick fixes will find Dynamo6's relationship-first approach well suited to navigating cloud adoption, strengthening cybersecurity posture and implementing technology that genuinely addresses business challenges. This focus on listening, clarity and tailored recommendations distinguishes Dynamo6 in a market often dominated by generic technology vendors.
View Dynamo6 Profile
$200-$300/hr
$25,000+
10 - 49
Sydney, Australia
0.0 (0 Reviews)
3
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
3
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
To ignite innovation and drive progress through cutting-edge software solutions
RippleBytes is a Kathmandu, Nepal-based IT solutions company delivering custom software development, cloud architecture, UI/UX design, and digital marketing services to businesses across travel, finance, and e-commerce sectors. The company integrates emerging technologies including AI, machine learning, blockchain, and IoT to help clients innovate and differentiate in competitive markets. Its development team builds bespoke enterprise software with a focus on scalable, secure, and performance-centric architecture, applying continuous integration and continuous deployment (CI-CD) best practices alongside automated quality assurance and testing. RippleBytes also offers cloud migration and optimization services to help businesses future-proof their digital infrastructure, along with website development, CRM technology, and digital marketing strategies designed to increase leads and conversions. Clients across travel, finance, and e-commerce industries have credited RippleBytes with transforming their online presence through combined technical and marketing expertise. Businesses seeking a technology partner capable of blending custom software development with digital marketing and emerging technology integration choose RippleBytes for its full-spectrum IT capabilities.
View RippleBytes Profile
$200-$300/hr
$1,000+
10 - 49
Sydney, Australia
0.0 (0 Reviews)
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Australia’s Top Web Development Agency
The Development Agency (TDA) is an Australian web development and digital growth agency that has delivered over 300 projects for businesses across Sydney, Melbourne, Brisbane, and beyond over more than 18 years. The agency builds custom digital platforms, high-performing websites, and eCommerce solutions with a focus on usability, scalability, and conversion rather than templated designs. Services include web design and development, SEO audits and optimization, PPC and paid advertising management, UX/UI improvements, CRM integration, sales funnel automation, and AI-driven workflow tools. TDA positions itself as a growth partner rather than a traditional web design agency, combining developers, designers, and strategists to align technical execution with measurable business outcomes such as leads, conversions, and revenue growth. The agency has a strong track record with retail and eCommerce, professional services, healthcare, hospitality, trade and construction, and SaaS clients. Australian businesses looking for a results-driven web development and digital marketing partner can rely on The Development Agency for tailored, revenue-focused digital solutions.
View The Development Agency Profile
$25-$49/hr
$10,000+
50 - 249
Sydney, Australia
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