Top Cybersecurity Companies in Singapore 2025 (Reviewed)

• Who this list is for: IT leaders and procurement teams in Singapore comparing cybersecurity service providers.
• Best overall company: DeepStrike Specialist in expert led penetration testing and cloud security.
• Best for enterprise: Ensign InfoSecurity Broad, regulated industry cybersecurity services and managed security.
• Best for SMBs: Horangi Cyber Security Cloud focused security platform Warden and hands on services for fast growing companies.
• Best for compliance driven orgs: Qualysec Detailed, audit friendly pentests with proven reporting for regulated businesses.
• Best for offensive security: Vantage Point Security CREST accredited penetration and red team experts, ideal for application security.
• How to choose: Use our transparent methodology see below to weigh certifications, scope, industry fit, and reporting quality.

Choosing the right cybersecurity partner is more crucial than ever in 2026. With sophisticated AI driven threats emerging and compliance demands e.g. MAS TRM, PDPA, ISO 27001 tightening, enterprises and smaller firms alike need a provider that understands both local regulations and the latest attack techniques. This list is an independent, research based ranking not an advertisement intended to help Singapore organizations shortlist providers based on real capabilities, not marketing hype.

How to Choose the Right Cybersecurity Provider

Selecting a security firm is a strategic decision. Common mistakes include picking a vendor solely on price or flashy claims rather than proven results. Red flags to watch for are little to no evidence of certifications or certifications OSCP, CISSP, CREST, sparse case studies, or reliance on automated scans only. Instead, focus on concrete factors: technical skills, track record, and reporting quality. For example, one industry guide advises checking that a provider brings real evidence, not generic claims of effectiveness.

In practice, we evaluated providers on multiple fronts. Key criteria included:

• Technical expertise & certifications: Look for teams with hands-on credentials OSCP, OSWE, CISSP and CREST accreditation, as evidence of skill. Providers should be able to detail how they perform tests, not just list buzzwords.
• Service scope & specialization: Ensure they offer the services you need for pentesting, red teaming, IR, SOC, etc. and can tailor engagements. A broad or niche focus should match your use case e.g. cloud native startups vs. legacy enterprise networks.
• Industry experience: Providers with experience in your sector finance, healthcare, and government understand specific threats and regulations. A recommended evaluation checklist notes you should verify the provider... has experience in your industry or a similar one and familiarity with your compliance requirements.
• Compliance & standards: Alignments with ISO 27001, CSA guidelines, MAS TRM, PDPA and sector regulations is critical, especially in Singapore’s heavily regulated market. Providers should be able to advise on MAS cloud security rules and produce audit ready reports.
• Transparency & reporting quality: Look for clear deliverables and metrics tracking. Top consultants track metrics, milestones, and maturity improvements so leadership sees exactly how your security program is advancing. Audit quality documentation and remediation guidance are must haves.
• Global reach & local presence: A strong regional presence e.g. on shore Singapore teams or data centers is valuable for responsiveness and regulatory comfort. At the same time, global expertise can bring advanced tools and threat intelligence.
• Client trust & reputation: Check references or third party reviews. Providers with many clients or long tenure tend to perform consistently. If possible, prioritize those with positive feedback on delivering quality outcomes. For instance, a Qualysec client review praised their team’s transparency and understanding in delivering actionable pentest results.
• Innovation & tooling: Leading firms invest in custom tools and R&D e.g. automated scanners, CIEM/CSPM platforms like Horangi’s Warden. These add value beyond manual testing alone.
• Use cases Enterprise vs SMB: Finally, consider scale. Some boutique firms excel with hands-on SMB work, while larger consultancies better handle extensive enterprise programs. In general, ask whether the provider will embed into your workflow and workload true partners don’t just hand off reports, they help you implement fixes.

How to Choose the Right Cybersecurity Provider

Getting the most value means avoiding hype. Don’t be swayed by generic marketing claims or small print e.g. penetration testing included in a generic bundle. Instead, ask hard questions: How many clients have they served? What certifications do their testers hold? If answers are vague, that’s a warning. Verify whether their references match your needs. For example, if your environment is cloud heavy, a Singapore firm should offer expertise in both public clouds and local regulations. Refer to established penetration testing best practices to ensure your provider follows recognized methodologies, not just ticking boxes.

Similarly, be skeptical of bold slogans. A true expert will explain the process and findings in plain terms. Look for providers who emphasize collaboration with your team, and who will tailor services not sell one size fits all packages. For instance, while one firm might boast 80,000 hours of pentesting annually as Vantage Point does, the key is how they apply that effort to your context. Ultimately, the right provider will lighten your IT team’s load by delivering clear, prioritized remediation advice, not more questions.

Top Cybersecurity Companies in Singapore 2026

We have curated the following list of leading cybersecurity service providers with strong Singapore focus. DeepStrike is ranked first Best Overall, but all companies below met our rigorous criteria. Each listing includes strengths and honest limitations.

DeepStrike

• Headquarters: Singapore / United States Global
• Founded: 2016
• Company Size: 10–49 employees
• Primary Services: Penetration testing, red teaming, cloud/API security assessments, vCISO advisory
• Industries Served: Financial services, healthcare, technology, government, enterprise

Why They Stand Out: DeepStrike specializes in high quality manual penetration tests designed to uncover complex flaws. Industry profiles note DeepStrike’s focus on human powered, high quality penetration testing with ethical hackers simulating real world attacks to yield actionable insights. The team emphasizes deep cloud and API expertise, reflecting modern architectures. Clients praise DeepStrike’s depth of expertise and flexible approach, their small team of senior, CREST certified or OSCP certified testers can adapt to client needs and dive deep into technical issues. Detailed reports include step by step reproductions and prioritized fixes.

Key Strengths:

• Proven senior tester team with advanced certifications OSCP, OSWE, CISSP and decades of experience in enterprise and fintech settings.
• Focus on cloud and API security, using custom tooling to audit AWS, Azure, GCP, and custom architectures.
• Actionable, auditor accepted reports often meeting ISO/SOC2 expectations with clear remediation guidance.
• Flexible engagement models are often more agile than large consulting firms.
• Strong track record for uncovering logic and chain of exploit vulnerabilities beyond automated scanning.

Potential Limitations:

• Smaller scale may limit simultaneous delivery on very large multi region engagements compared to big firms.
• Less brand recognition than global consultancies, prospective clients may need to validate credentials.
• Limited range of services beyond offensive security e.g. fewer in house managed security operations.

Best For: Enterprises and growth stage companies seeking deep, manual security testing e.g. red teaming and consultants who can tailor the process. Also suited to cloud first organizations and regulatory clients needing thorough API/cloud pentests.

Qualysec

• Headquarters: Singapore Pvt Ltd
• Founded: 2020
• Company Size: 50–200 employees approx.
• Primary Services: Penetration testing web, mobile, API, IoT, cloud, vulnerability assessments, source code review
• Industries Served: Finance, healthcare, technology, startups, e commerce

Why They Stand Out: Qualysec is a Singapore based pentesting specialist known for compliance focused engagements. They emphasize audit quality documentation aligned with PDPA, ISO 27001, HIPAA, SOC2, etc., making them attractive for firms needing to meet multiple standards. Client reviews highlight Qualysec’s professionalism and thorough reporting, one review noted their team’s transparency and understanding in delivering test results. The firm also builds custom tools e.g. an adaptive vulnerability scanner and performs frequent rescans until fixes are confirmed.

Key Strengths:

• Comprehensive pentesting expertise web, mobile, API, IoT, cloud using both automated and human driven techniques.
• Strong compliance orientation: reports are formatted for regulators and auditors, with evidence maps to frameworks and retesting certificates.
• High volume testing capability Qualysec reports conducting thousands of tests and an in house dev team for security tooling.
• Known for hands-on collaboration with clients, helping integrate security into SDLC rather than just spotting flaws per Qualysec’s own case studies.

Potential Limitations:

• As a rapid growth startup founded 2020, some larger enterprises may require more vetting of scale and longevity.
• Less specialization in network/OT security or managed detection compared to firms with dedicated SOCs, their focus is mainly on application/data assets.
• Marketing materials claim most effectiveness in Singapore, but prospective buyers should verify fit slogans aside.

Best For: Organizations needing compliance driven testing, especially those preparing for audits e.g. banking, fintech, healthcare. Also suitable for SMBs and startups that want thorough pentests and easy to understand reporting for stakeholders or investors.

Ensign InfoSecurity

• Headquarters: Singapore
• Founded: 2005
• Company Size: 500+ employees
• Primary Services: Managed security services SOC/MDR, penetration testing, security consulting, incident response, digital forensics
• Industries Served: Financial services, government, infrastructure, healthcare, retail

Why They Stand Out: Ensign is one of Asia’s largest cybersecurity firms with strong Singapore roots. It runs multiple regional SOCs and works closely with critical infrastructure and government sectors. Ensign has a broad service portfolio from risk assessment to 24/7 monitoring. In Singapore, Ensign has won high profile engagements e.g. national event protection, public infrastructure projects. Its scale and government ties make it a go to for regulated enterprises.

Key Strengths:

• Comprehensive service range: 24/7 SOC/MDR, threat intelligence, compliance consultancy MAS TRM, CII and full incident response.
• Deep experience with public sector and finance clients, knowledge of Singapore’s regulatory landscape is built in.
• Proprietary analytics platforms AI driven threat detection to complement expert analysts.
• Strong multi industry footprint across Asia banks, telcos, utilities, etc..

Potential Limitations:

• As a very large provider, engagement teams may be less flexible for smaller projects.
• Some clients report that security services can feel standardized given scale, so ad hoc customization may require negotiation.
• Major focus on MSSP means pure consulting projects like niche pentests might be led by partners or separate divisions.

Best For: Large enterprises and government affiliated organizations in Singapore needing end to end security operations with deep regulatory knowledge. Well suited for financial institutions and critical infrastructure seeking both strategic advisory and managed defense.

Horangi Cyber Security

• Headquarters: Singapore
• Founded: 2016
• Company Size: 200+ employees acquired by Bitdefender 2023
• Primary Services: Cloud security Warden platform, penetration testing, red teaming, compliance automation, incident response
• Industries Served: SaaS startups, fintech, healthcare, e commerce, cloud native companies

Why They Stand Out: Horangi is a Singapore born cloud security specialist whose flagship Warden platform automates multi cloud security posture management and compliance. Analysts note Horangi’s focus on compliance automation, threat detection and cloud posture management in Warden, making it ideal for highly regulated or cloud centric businesses. Horangi has also built strong CREST accredited consulting teams for red teaming and pentesting. The recent Bitdefender acquisition underscores their innovative edge.

Key Strengths:

• Warden platform: Real time monitoring of AWS/Azure/GCP, automated checks against ISO/SOC2/CIS/MAS standards, and continuous compliance reporting.
• Expertise in multi cloud environments, Horangi consultants often integrate tools like CSPM/CIEM in engagements.
• Hands on offensive services pen testing, red team, phishing simulations to validate cloud defenses.
• Rapid scaling: designed to support fast growing tech companies regionally notably Singapore startups and fintech firms.

Potential Limitations:

• Primarily cloud focused, organizations with legacy on premises infrastructure may prefer a more diversified provider.
• As a younger company, enterprise clients should verify global scale though backed by Bitdefender’s network now.
• Emphasis on tooling means some smaller firms without cloud maturity may need more basic services Horangi tends to target higher tech environments.

Best For: Cloud first companies and SMBs/startups especially in fintech and SaaS that need automated compliance and posture management. Also good for offensive security projects where cloud and DevSecOps expertise are needed.

Vantage Point Security

• Headquarters: Singapore
• Founded: 2014
• Company Size: 100+ employees
• Primary Services: Penetration testing network, application, mobile, API, red teaming, secure code review, training
• Industries Served: Technology firms, financial services, government, startups

Why They Stand Out: Vantage Point is a CREST accredited Singaporean firm specializing in application and red team testing. Their website touts CREST Approved Penetration Testing and Application Security Testing Services at scale. In practice, Vantage Point is known for finding deep flaws in web and mobile apps and for educating client dev teams e.g. secure coding workshops. They often work with growing fintech and mobile startups, as well as larger enterprises during critical product launches.

Key Strengths:

• Strong application security focus: comprehensive testing of codebases and APIs, often used by software companies launching new apps.
• Skilled red team and social engineering capabilities for simulation of advanced threats.
• High client trust in the process and clarity: teams deliver tailored findings avoiding false positives and work with devs on fixes.
• Regularly conduct specialized tests e.g. ATM hacking, IoT pentests beyond standard scope.

Potential Limitations:

• Small to mid size firm: capacity may be limited if you need very large network or cloud programs.
• Less broad compliance consulting more focused on offensive testing than policy frameworks.
• Fewer managed services offerings, best fit is one off or periodic testing projects.

Best For: Organizations needing offensive security red teaming, app sec expertise and technical mentoring for example, tech startups and agile teams that require CREST verified testing. Also suitable for enterprises launching critical digital services who want intensive application level reviews.

ST Engineering Cybersecurity Group

• Headquarters: Singapore
• Founded: 2015 as an arm of ST Engineering
• Company Size: 1,000+ ST Engineering group
• Primary Services: Secure hardware/systems, OT/ICS security, managed security, consulting, training, cyber wargaming
• Industries Served: Defense, aerospace, maritime, aviation, utilities, government

Why They Stand Out: ST Engineering is a long established Singapore defense/engineering conglomerate with a cybersecurity division. Their strengths lie in critical infrastructure and national security. For example, they operate cyber range and wargaming facilities, custom secure hardware for aerospace, and specialise in OT/ICS protection for sectors like maritime and energy. They also provide security consulting across enterprise IT and secure system development.

Key Strengths:

• Unique experience with operational technology OT and critical systems, their OT SOC solutions and secure hardware for defense/avionics are rare in the market.
• Strong government and defense pedigree often engaged for national level defense exercises and cyber readiness.
• Full spectrum security: from managed services and incident response to training and product engineering.
• Cybersecurity Centre of Excellence with AI tools for advanced threat intelligence.

Potential Limitations:

• Primarily geared toward large scale, government, or industrial clients, smaller commercial businesses may find the offerings too specialized.
• May have less competitive pricing for small engagements compared to agile pentest shops.
• As a traditional defense player, cultural pace may be slower for rapid SMB projects.

Best For: Large Singapore enterprises and critical infrastructure operators e.g. utilities, transport, defense contractors needing enterprise grade OT/IT protection. Also good for compliance conscious government linked projects requiring top tier cyber training and simulation.

NCS Network Computer Systems Pte Ltd

• Headquarters: Singapore
• Founded: 1981 Singtel group
• Company Size: 5,000+ approx.
• Primary Services: Managed security MSS, MDR, penetration testing, consulting, cloud and network services
• Industries Served: Government, finance, transportation, education, corporate

Why They Stand Out: NCS is Singtel’s technology services arm, delivering cybersecurity as part of a broad IT portfolio. It has one of the largest security footprints in Singapore, with advanced network/security operations and cloud advisory teams. NCS leverages Singtel’s ecosystem including Trustwave managed services while also offering bespoke cybersecurity projects.

Key Strengths:

• Deep local presence: NCS operates Singapore based SOCs and has rapid on site support via Singtel’s network.
• Integration with communication/cyber solutions e.g. SIEM, firewalls already deployed by local clients.
• Known for public sector and large enterprise projects often doing defense in depth for government agencies.
• Offers global security frameworks e.g. CREST pentesting, CMMC consultancy given its scale.

Potential Limitations:

• Security may be one component of a larger services contract, organizations wanting pure play security advice should confirm dedicated resource allocation.
• Like other large providers, smaller customers might find flexibility and price less competitive.
• Specialization focus is broad e.g. cloud migration, data center, hyper niche security innovations may come from specialists instead.

Best For: Singapore enterprises especially in government and regulated industries seeking an integrated security partner with guaranteed local support. Also fit for organizations already doing large IT projects with Singtel/NCS who want to bundle security within existing contracts.

SecureAge Technology

• Headquarters: Singapore HQ in Japan/Kuala Lumpur, R&D in Singapore
• Founded: 2009 Singapore R&D center
• Company Size: 200+
• Primary Services: Data encryption platform SecureData, CatchPulse, endpoint protection, USB security, consulting
• Industries Served: Government, finance, healthcare, enterprise IT

Why They Stand Out: SecureAge is known for its novel approach to data encryption and endpoint security. Their SecureData platform applies encryption at all times data centric, rather than just at rest and is used by governments and financial institutions globally. They boast zero data breaches in 20+ years of operation as a point of pride. Their solutions require minimal configuration and no keys to manage, which appeals to compliance focused entities.

Key Strengths:

• Advanced data centric encryption that automatically protects files and backups without user action.
• Proven deployment in highly regulated environments government agencies, banks, healthcare seeking strong data in use protection.
• Endpoint email encryption and device control USB protection solutions integrated with data policy.
• Security by default model means even non security staff get protected data easily.

Potential Limitations:

• Niche focuses on encryption and endpoint, they do not offer classic pentesting or broad advisory services, mostly product/vendor.
• Best applied where structured data protection is the priority, not a provider for network or app vulnerability testing.
• Solutions may require buy-in for a new workflow since data is always encrypted, developers and admins need to adapt.

Best For: Organizations with strict data protection compliance needs banks, healthcare, and governments that want built in encryption. Also useful for enterprises worried about insider threats to data. Not a fit for general security consulting beyond their product scope.

Accenture Singapore

• Headquarters: Dublin, Ireland Regional HQ: Singapore
• Founded: 1989 as Andersen Consulting
• Company Size: 740,000+ globally Security: 50,000+
• Primary Services: Cybersecurity strategy, cloud security, managed security services, application security, cyber resilience
• Industries Served: All major sectors finance, telecom, energy, government, etc.

Why They Stand Out: Accenture is a global professional services leader with a substantial Singapore presence. Its Cybersecurity practice blends strategy and implementation, covering everything from governance to security operations. Accenture operates Singapore based Cyber Fusion Centers and Cloud Security Centers, and collaborates on local security initiatives like MAS programs. They leverage global R&D e.g. blockchain security labs, AI threat detection for local clients.

Key Strengths:

• Massive resources and breadth: can field large teams including on premise specialists and offshore analysts.
• Broad compliance expertise across industries GRC, digital ID, regulatory reporting.
• Deep cloud transformation background: able to secure IaaS/PaaS migrations for enterprises.
• Established local clients: known to work with major banks, telcos, and public agencies in Singapore.

Potential Limitations:

• Large consulting firms often carry higher overhead and costs, smaller firms may be more cost efficient for basic pentesting.
• Some clients find big consultancies less nimble project timelines can be extensive.
• Variable experience across different practice areas e.g. technical depth of pentesters may differ from strategy consultants.

Best For: Large enterprise wide initiatives, especially where security must align with global business transformation. Suitable for organizations needing a one stop shop strategy to execution and comfortable with an international consulting firm.

Deloitte Singapore

• Headquarters: London, UK Singapore office in Asia Pacific
• Founded: 1845 Deloitte Singapore est. 1917
• Company Size: 415,000+ globally Cyber practice: ~20,000
• Primary Services: Cyber risk advisory, managed security, data protection, threat intelligence, cyber M&A, training
• Industries Served: Financial services, government, TMT, energy, consumer, etc.

Why They Stand Out: Deloitte’s Singapore office is a top advisor on cyber strategy and risk. They combine CISO advisory and compliance guidance with technical testing. Deloitte often helps local companies with high level projects like establishing cybersecurity governance or preparing for MAS TRM. They also run managed threat intel and IR services. Being part of a Big Four gives them broad credibility and a huge partner network.

Key Strengths:

• Strong cyber risk and compliance advisory e.g. PDPA readiness, MAS TRM gap analysis, secure architecture design.
• Integrated with Deloitte’s audit and consulting practices, offering a unified view of business risk.
• Skilled incident response and forensics team that has handled major breaches regionally.
• Investment in emerging tech AI security, IoT security labs.

Potential Limitations:

• Similar to Accenture, Deloitte’s scale means higher costs and sometimes perceived bureaucracy.
• Tactical pentesting and blue team operations may be delivered via alliances or offshoot firms rather than their core teams.
• Busy consultancy means continuity, the same engineers throughout engagement can vary with staffing.

Best For: Organizations seeking strategic cyber risk management combined with access to high level advisory e.g. banking CEOs, regulators. Also apt for global firms operating in Singapore that want a familiar name with cross border capabilities.

Enterprise vs SMB Which Type of Provider Do You Need?

In practice, large enterprises and SMBs have different security needs. Enterprises typically require end to end programs and may benefit from full scale firms like Ensign, Accenture, Deloitte, NCS that can handle 24×7 operations, global compliance, and large network complexity. These providers often offer managed services and broad consulting portfolios. They help integrate cybersecurity into all levels of a big organization’s processes.

By contrast, SMBs and startups often need quick, focused help rather than multi year roadmaps. Smaller security firms like Qualysec, Horangi, Vantage Point, DeepStrike excel here. They can dedicate their senior experts to tight engagements and provide more personalized guidance. SMBs may start with a targeted pentest of their web app or a cloud configuration review, then build up from there. See our discussion on penetration testing best practices for tips on scoping tests effectively for companies without huge security budgets.

Cost vs value is a key trade off. Large consultancies bring breadth but often higher prices. Boutique firms can be more cost effective and faster to engage, but may lack broad in house services e.g. they may not run a SOC. Often a mix makes sense: you might hire a big firm for your annual compliance audit program, and a specialized firm for focused red teaming or creative testing.

No matter your size, avoid the trap of one size fits all. Tailor your choice to your security maturity. Use the criteria above industry fit, certification, reporting quality rather than just chasing the cheapest quote. Ultimately, an informed evaluation backed by references or sample reports will ensure you get the right partner.

Frequently Asked Questions

• How much do penetration testing services cost?

It varies widely by scope. Industry surveys show the average enterprise pentest runs in the low five figures roughly $10,000–$20,000 for a moderate engagement. Simple SMB tests might start around $5K, while very large assessments of multiple apps, APIs, networks can exceed $50K. Costs depend on complexity, number of targets, and any compliance requirements.

• Are certifications more important than tools?

Both matter, but real expertise comes from human skills. Certifications like OSCP, CISSP, CREST indicate knowledge and commitment, but good tools only amplify a tester’s work. Avoid providers touting fancy technology without certified personnel, conversely, a certified tester without modern tools will be inefficient. The best firms combine experienced, certified engineers with advanced techniques.

• How long does a pentest take?

Typically anywhere from a few days to a few weeks. A quick web app pentest might take 1–2 weeks of active testing, whereas a full network plus apps test in a large environment could require 3+ weeks plus time for reporting. Factors include tester expertise, test scope, access white box vs black box, and client responsiveness to questions. After the test, expect another week or two for a detailed report and retesting any fixes.

• What reports should I expect?

A quality pentest report includes a clear executive summary, technical finding details with evidence screenshots or logs, risk ratings, and prioritized remediation steps. It should map findings to any relevant standards you follow e.g. OWASP, PCI, MAS TRM. Reputable firms also offer retesting or validation of fixes and may issue a formal certificate of completion. Avoid reports that simply dump tool output, you want plain language explanations and actionable advice.

• How often should testing be done?

At minimum, annual testing is a common best practice and often required by compliance regimes. Many experts recommend at least once a year, or more frequently if you have high change velocity. Anytime there’s a major update, new application release, cloud migration, network upgrade it’s wise to rescan those changes. Continuous security programs with frequent mini scans or bug bounties are ideal for mature orgs. Compliance frameworks typically set annual pentests as the baseline, so use them as a guide.

In summary, Singapore’s cybersecurity market offers a mix of specialized boutiques and global consultancies. Each has its strengths: some excel at deep technical testing, others at broad risk management. This ranking is intended as a neutral, research driven guide not a promotional list. We encourage decision makers to use it as a starting point and to apply the transparent criteria outlined above. Always verify certifications, review sample reports, and match a provider’s capabilities to your specific needs.

Ultimately, the best cybersecurity partner is the one that delivers real value and trust for your organization. By focusing on experience, clarity of deliverables, and proven outcomes rather than just marketing slogans, you’ll make the most informed choice for your company’s security.

About the Author

Mohammed Khalil is a Cybersecurity Architect at DeepStrike, specializing in advanced penetration testing and offensive security operations. With certifications including CISSP, OSCP, and OSWE, he has led numerous red team engagements for Fortune 500 companies, focusing on cloud security, application vulnerabilities, and adversary emulation. His work involves dissecting complex attack chains and developing resilient defense strategies for clients in the finance, healthcare, and technology sectors.