Qualysec

cyber consulting firms

Top 20 Cybersecurity Consulting Firm in 2025
Cybersecurity Companies

Top 20 Cybersecurity Consulting Firm in 2025

As the demand for robust security controls grows, the cybersecurity technology market has witnessed unprecedented growth and a boost in solutions offered. We’ve selected 20 leading Cybersecurity Consulting Firms and some notable mentions to assist you in this growing market. We base our choices on innovation, revenue growth, user ratings, product features and benefits, expert opinions, independent security testing, and real-world applications. Top Cybersecurity Companies The top-listed cybersecurity firms are specialists in predicting, preventing, and neutralizing cyber dangers so that their customers—and their customers’ consumers—can focus more on preventive actions rather than protective measures. List of the Best Cybersecurity Consulting Firms 1. Qualysec Qualysec one of the top cybersecurity consulting firms, assists businesses in enhancing their security posture via real-time vulnerability management, detection, and response services. Its Insight platform equips security teams with analytics, automation, and actionable intelligence through pen testing. Founded: Founded in 2020;  Cybersecurity Service Categories: Best  for: Customer Review See what a real pentest report looks like—download it within seconds here.   Latest Penetration Testing Report Download 2. Palo Alto Networks Palo Alto Networks is a global cybersecurity organization founded in 2005 and centred in Santa Clara, California. It offers sophisticated firewalls and cloud protection solutions geared toward providing quit-to-quit safety and blocking cyberattacks in community, cloud, and mobile settings. The firm has diversified its offerings through several acquisitions to encompass endpoint protection and other security tools. Cybersecurity Product Segments: Firewall Security Endpoint Security Cloud Security Threat Detection Zero Trust Security. Best for: Threat Detection and Prevention Network Security Cloud Security Endpoint Protection Overall Gartner Peer Insights Score: 4.6 Customer Review: Overall Glassdoor Score: 4 3. Fortinet Fortinet – one of the best cybersecurity consulting companies, established in 2000 using Ken Xie and Michael Xie, is a cybersecurity leader. The headquarters of the organization is located in Sunnyvale, California, and it has multiplied a great deal through the years. The leading made of Fortinet is its FortiGate firewall, which gives a complete range of protection and networking abilities. Fortinet is likewise well-known for its FortiGuard Labs, a studies enterprise that assists in preserving their security solutions current with the most latest international danger intelligence facts. Cybersecurity Product Categories: Network Security; Cloud Security; Secure Access and SD-WAN; Endpoint Security; Security Operations; Email Security; Zero Trust Access. Best for: Network Security; Threat Intelligence (FortiGuard Labs); Secure SD-WAN; Cost-effectiveness (especially appealing to medium-sized businesses). Overall Gartner Peer Insights Score: 4.7 Customer Review Overall Glassdoor Score: 4 4. IBM Security IBM Security is a business unit of IBM, a global chief in generation and consulting employment, committed to turning in security answers and services. It provides a wide portfolio of protection software programs, services, and studies across cloud and data safety, endpoint protection, identity and entry to control, and mobile security. Cybersecurity Product Categories: Endpoint Security; Network Security; Threat Intelligence & Response; Identity & Access Management; Cloud Security; Data Security. Best for: Enterprise Security Management;  Identity & Access Management;  Managed Security Services. Gartner Peer Insights Score: 4.4 Customer Review: Glassdoor Score: 4 5. Cisco Cisco Systems, Inc., Cisco, in short, is a technology leader in the global well-known for its networking equipment and telecommunications side of services. Established in 1984 by Leonard Bosack and Sandy Lerner, Stanford University pc technological know-how graduates. Cybersecurity Product Categories: Network Security; Advanced Threat Protection; Email Security; Cloud Security; Identity & Access Management; Web Security; Zero Trust Security. Best for: Integrated Network Security; Cloud Solutions. Overall Gartner Peer Insights Score: 4.5 Customer Review Overall Glassdoor Score: 4.3 6. Trend Micro Trend Micro Inc. is one of the leading American-Japanese cybersecurity consultant companies. It has research and development facilities in 16 locations globally, spanning all continents except Antarctica. Established in 1988 in Los Angeles, California, the company has evolved to be a major force in information security, especially in endpoint and cloud security. Cybersecurity Product Categories: Endpoint Security; Cloud Security; Hybrid Cloud Security. Best for: Endpoint Security; Cloud Security; Best for small and medium-sized business needs and budgets, providing easy, effective, and scalable security solutions. Gartner Peer Insights Score: 4.7 Customer Review: Glassdoor Score: 3.9 7. McAfee McAfee has ruled the laptop security sector from its inception in 1987 via John McAfee. It deals with generating virtual protection answers for PCs, server devices, and, currently, mobile telephones. McAfee’s software specializes in malware prevention, inclusive of viruses, worms, and Trojan horses, in addition to providing strong internet protection functions to stop threats online. Cybersecurity Product Categories: Consumer Solutions; Enterprise Solutions;  Identity Protection Services;  VPN and Privacy. Best for: Virus and Malware Protection; Internet Security; Identity Theft Protection; Performance Optimization; VPN Services. Overall Gartner Peer Insights Score: 3.9 Customer Review: Overall Glassdoor Score: 3.9 8. Darktrace Established in 2013 in Cambridge, United Kingdom, Darktrace is one of the leading cybersecurity consulting firms that applies system studying and AI algorithms to perceive, reply to and prevent cyber threats in diverse digital environments consisting of cloud, on-premises, and hybrid networks. The heart of Darktrace’s technology is its “Enterprise Immune System,” which is based on the human immune device. This technology learns what ordinary behaviour is in a virtual world and might then locate anomalies or capability threats based totally on deviation from this ‘normal’ pattern. Cybersecurity Product Categories Threat Detection & Response; Network Security; Email Security; Cloud Security. Best for: AI-powered security; Autonomous Threat Detection; Rapid Response (through its Antigena product); Reduction in Alert Fatigue. Overall Gartner Peer Insights Score: 4.7 Customer Review Overall Glassdoor Score: 3.4 9. Sophos Founded in 1985 in Abingdon, England, Sophos has grown to become one of the leaders in the global security market, catering to both small and medium-sized businesses as well as large enterprises. Cybersecurity Product Categories: Endpoint Protection;  Network Security;  Cloud Security;  Email Security;  Mobile Security;  Endpoint Detection & Response;  Threat Intelligence;  Managed Threat Response;  Phishing Protection;  Web Security.  Best for:  Endpoint Protection; Ransomware Protection;  Managed Threat Response; Cloud Security;  Small and Medium-Sized Businesses. Overall Gartner Peer Insights Score: 4.8 Customer Review  Overall Glassdoor Score: 3.9 10. Crowdstrike CrowdStrike is a leading name among

Top 20 Cybersecurity Companies in Greece
cyber security service

Top 20 Cybersecurity Companies in Greece (2025)

Introduction Greece is increasingly becoming a force to be reckoned with as a European cybersecurity power base, supported by growing top talent and foreign investment. With more cyberattacks taking place worldwide, Greek firms are rising to the challenge, providing world-class penetration testing, threat intelligence, managed security, and regulatory compliance solutions. In this extensive list, we identify the Top 20 Cybersecurity Companies in Greece for 2025, starting with Qualysec, the company breaking standard records in penetration testing and cybersecurity assurance.  List of Top Cybersecurity Companies in Greece 1. Qualysec Headquarters: Global HQ India-based Founded: 2020 Specialized in: Penetration Testing, VAPT, Web & Mobile App Security, API Security Test Qualysec ranks at number one on our list because it is the strongest and fastest-growing cybersecurity firm with a Greek-based headquarters for the year 2025. It started in India but has expanded aggressively across Europe with a strategic Athenian operation to cover the EU region. Their fintech, SaaS, e-commerce, and healthcare industry clients have a tremendous amount of trust in their cybersecurity offerings. Qualysec stands out in the way that they implement a hybrid methodology — a combination of human touch and AI-based tools to provide actionable reports that customers adore. Their main services are: With 97% customer retention and ISO/IEC 27001:2022 certification, Qualysec’s Greek market leadership is changing the way companies protect their digital assets. Talk to our Cybersecurity Expert to discuss your specific needs and how we can help your business. Schedule a Call 2. NVISO Greece Head Office: Brussels, Belgium (offices in Athens & Thessaloniki) Established: 2013 Specialized in: Threat Detection, Red Teaming, SOC Services NVISO ranks second on our list due to its leading cybersecurity expert and intelligent investments in Greek cyber experts. The company has a headquarters in Belgium, but its operational base is in Athens, with its operations to be soon based in Thessaloniki. NVISO offers high-impact services that are relied upon by top banks, telecom leaders, and public sector clients. Their participation has been included in the Greek Cybersecurity Challenge and collaboration with universities to make sure they are investing in local skill-building. Their  The main solutions are: Managed SOC services with 24/7 monitoring Advanced threat detection and incident response Red Team and Purple Team simulations Security architecture and compliance consulting With its pool of certified professionals and EU compliance expertise, NVISO continues to be the market leader in Greece’s cybersecurity sector.  3. Hack The Box Headquarters: London, UK (with R&D conducted in Athens) Founded: 2017 Specializing in: Cybersecurity Learning, Ethical Hacking Training Platforms Hack The Box is in the third position, transforming cybersecurity training with gamified, live-hacking labs. Greek entrepreneurs started the business with a significant development footprint in Athens and are providing services to more than 1 million users globally. Their platform is used extensively by Fortune 500 firms and security professionals for ongoing learning and proving their skills.  Some of their key features include: Lifelike team and individual hacking drills Corporate labs for employee upskilling Global certifications (e.g., HTB CPTS) are accepted worldwide Community-based content and capture-the-flag challenges Hack The Box is not only a training site but a worldwide phenomenon fueling the cybersecurity profession, with Greek talent at its core. 4. Obrela Security Industries Headquarters: Athens Founded: 2009 Specialization: Cyber Risk Management-as-a-Service (CRaaS) Obrela is the fourth prescriptive cyber security vendor. Headquartered in Athens, the company provides a better and smarter CRaaS solution that is relied upon by clients from high-risk sectors like energy, finance, and telecom. On an ongoing basis, they provide 24/7 risk management via their proprietary platform that includes real-time analytics, threat intelligence, and automation.  Core services are: Managed Detection and Response (MDR) Cyber Risk-as-a-Service 24/7 Breach simulation and threat modeling AI-powered incident prediction and orchestration Through substantial venture capital funding and European-wide partnerships, Obrela is assisting companies in Greece and globally to stay cyber resilient amidst a constantly changing threat environment. 5. ForAllSecure Headquarters: United States (Greek co-founder: Thanassis Avgerinos) Founded: 2014 Specialization: Autonomous Application Security Testing ForAllSecure stands in the fifth position, utilizing autonomous fuzz testing to discover software vulnerabilities before they become threats. With Greek brilliance coursing through its veins, the organization collaborates hand-in-glove with defense establishments and academia. Mayhem is the company’s lead product that provides real-time security to DevSecOps teams and vulnerability discovery automation within software ecosystems.  Solutions include: Autonomous fuzzing of CI/CD pipelines Unification of static and dynamic analysis Support for multi-language and containerized apps Compliance reporting for secure SDLCs ForAllSecure’s Greek engineering teams and R&D activities keep pushing application security to a worldwide level. 6. Future Headquarters: Zurich, Switzerland (Co-founder: Nikos Karapanos, Greece) Established: 2016 Specialization: Authentication & Zero Trust Security Sixth is Futurae with its second-generation authentication platform, easily able to protect digital identities. The Zurich company, co-founded by Greek entrepreneur Nikos Karapanos, offers frictionless access through passwordless and multi-factor authentication. Futurae solutions are designed for fintechs, insurers, and hospitals that need secure, scalable, and user-friendly security architectures.  Core offerings: One-tap MFA and biometric sign-in Zero Trust integration with business apps Mobile and web SDKs for onboarding securely Risk-based adaptive authentication The company’s SDKs and API-based solutions are picking up pace among Greek businesses who desire to scale frictionless security. 7. Cylera HQ: New York, USA (Greek co-founder: Paul Bakoyiannis) Year of establishment: 2017 Specialization: Healthcare Cybersecurity & IoT Defense Cylera, ranked seventh, is an expert in protecting healthcare networks and hospitals from emerging cyber-attacks. It was founded by Paul Bakoyiannis, and the company is a top organization in the security of European medical IoT devices. Additional scrutiny by EU healthcare watchdogs and regulators is complemented by Cylera’s Greek footprint in the following: Device threat detection and monitoring, and device behavior Risk scoring and network segmentation GDPR, NIS2, and HIPAA compliance AI-powered anomaly detection and alerting As healthcare is digitizing at a pace that continues to accelerate, Cylera’s solution provides patient information and life-saving devices with the protection they need. 8. Malloc HQ: Nicosia & Athens Established: 2020 Area of expertise: Mobile Privacy & Anti-Surveillance Tools Malloc is an eighth-ranked

Scroll to Top
Pabitra Kumar Sahoo

Pabitra Kumar Sahoo

COO & Cybersecurity Expert

“By filling out this form, you can take the first step towards securing your business, During the call, we will discuss your specific security needs and whether our services are a good fit for your business”

Get a quote

For Free Consultation

Pabitra Kumar Sahoo

Pabitra Kumar Sahoo

COO & Cybersecurity Expert