Top 25 IT Security Consulting Companies

Looking for top-notch IT security consulting agencies? Explore our list of top 25 industry leaders imparting expert offerings in cybersecurity, threat management, and incident reaction.

Safeguard your corporation’s digital belongings with the help of relied on specialists in the discipline.

1. PricewaterhouseCoopers (PwC)

• Founders: Samuel Lowell Price, Edwin Waterhouse, William Hopkins Holyland, and Elijah Watt Sells
• Founded: 1998
• Headquarters: London, United Kingdom
• Product Categories: IT Security Consulting
• Description: PwC offers comprehensive IT security consulting services to help organizations address their cybersecurity challenges. They provide services such as security strategy, threat intelligence, incident response, and privacy consulting. PwC assists clients in protecting their digital assets and managing cyber risks effectively.
• Key Features:
  • Security strategy and governance consulting
  • Threat intelligence and vulnerability management
  • Incident response and digital forensics
  • Privacy and data protection consulting

2. Deloitte

• Founders: William Welch Deloitte, George Deloitte, Charles Haskins, and Elijah Sells
• Founded: 1845
• Headquarters: London, United Kingdom
• Product Categories: IT Security Consulting
• Description: Deloitte is a global leader in IT security consulting services. They provide a wide range of services, including cybersecurity assessments, incident response, risk management, and compliance. Deloitte helps organizations strengthen their security posture and protect against evolving cyber threats.
• Key Features:
  • Cybersecurity assessments and audits
  • Incident response and breach management
  • Risk management and compliance consulting
  • Security strategy and program development

3. EY

• Founders: Arthur Young and Alwin Ernst
• Founded: 1989
• Headquarters: London, United Kingdom
• Product Categories: IT Security Consulting
• Description: EY provides a wide range of IT security consulting services, including cybersecurity strategy, risk management, compliance, and incident response. They help organizations develop robust security measures and protect their sensitive information from evolving cyber threats.
• Key Features:
  • Cybersecurity strategy and planning
  • Risk assessment and management
  • Compliance consulting and auditing
  • Incident response and digital forensics

4. KPMG

• Founders: Piet Klijnveld, Jaap Kraayenhof, and Barents Krans
• Founded: 1987
• Headquarters: Amstelveen, Netherlands
• Product Categories: IT Security Consulting
• Description: KPMG offers comprehensive IT security consulting services to help organizations manage and mitigate cyber risks. They provide services such as cybersecurity governance, risk assessment, incident response, and compliance consulting. KPMG helps clients build resilient security frameworks and protect their valuable assets.
• Key Features:
  • Cybersecurity governance and strategy
  • Threat and vulnerability management
  • Incident response and recovery planning
  • Compliance and regulatory consulting

5. Booz Allen Hamilton

• Founders: Edwin G. Booz, James L. Allen, and Carl L. Hamilton
• Founded: 1914
• Headquarters: McLean, Virginia, USA
• Product Categories: IT Security Consulting
• Description: Booz Allen Hamilton is a leading provider of IT security consulting services. They offer a wide range of cybersecurity solutions, including risk assessment, secure infrastructure design, incident response, and digital forensics. Booz Allen Hamilton helps organizations protect their critical assets and build resilient security capabilities.
• Key Features:
  • Cybersecurity strategy and risk assessment
  • Secure infrastructure and network design
  • Incident response and digital forensics
  • Identity and access management

6. IBM

• Founders: Charles Ranlett Flint
• Founded: 1911
• Headquarters: Armonk, New York, USA
• Product Categories: IT Security Consulting
• Description: IBM Security provides a comprehensive range of IT security consulting services, including risk management, threat intelligence, incident response, and compliance. They help organizations build resilient security frameworks and safeguard their critical assets.
• Key Features:
  • Security risk assessment and management
  • Threat intelligence and advanced analytics
  • Incident response and recovery planning
  • Security compliance and regulatory consulting

7. Accenture

• Founders: Clarence DeLany, Arthur E. Andersen, and Charles E. Allen
• Founded: 1989
• Headquarters: Dublin, Ireland
• Product Categories: IT Security Consulting
• Description: Accenture is a global leader in IT security consulting, offering services such as cybersecurity strategy, threat intelligence, incident response, and compliance. They help organizations optimize their security posture and mitigate cyber risks effectively.
• Key Features:
  • Cybersecurity strategy and advisory services
  • Threat intelligence and vulnerability management
  • Incident response and digital forensics
  • Cloud security consulting
  • IT Security Consulting expertise

8. FireEye

• Founders: Ashar Aziz
• Founded: 2004
• Headquarters: Milpitas, California, USA
• Product Categories: IT Security Consulting
• Description: FireEye is a leading provider of IT security consulting and intelligence services. They offer a range of solutions, including threat assessment, incident response, penetration testing, and malware analysis. FireEye helps organizations detect, prevent, and respond to cyber threats effectively.
• Key Features:
  • Advanced threat intelligence and analysis
  • Incident response and digital forensics
  • Penetration testing and vulnerability assessment
  • Security training and awareness programs
  • IT Security Consulting expertise

9. Wipro

• Founders: George Kurtz, Dmitri Alperovitch, and Gregg Marston
• Founded: 2011
• Headquarters: Sunnyvale, California, USA
• Product Categories: IT Security Consulting
• Description: CrowdStrike provides comprehensive IT security consulting services, specializing in endpoint protection, threat intelligence, incident response, and proactive threat hunting. They help organizations stay ahead of sophisticated cyber threats and minimize the impact of security breaches.
• Key Features:
  • Endpoint protection and threat detection
  • Threat intelligence and incident response
  • Proactive threat hunting and investigation
  • Managed security services
  • IT Security Consulting expertise

10. Trustwave

• Founders: Robert J. McCullen
• Founded: 1995
• Headquarters: Chicago, Illinois, USA
• Product Categories: IT Security Consulting
• Description: Trustwave offers comprehensive IT security consulting services, including vulnerability assessment, penetration testing, threat hunting, and managed security services. They help organizations enhance their security posture and protect against evolving cyber threats.
• Key Features:
  • Vulnerability assessment and penetration testing
  • Threat hunting and incident response
  • Managed security services
  • Security compliance consulting

10. Verizon

• Founders: Based on the merger of Bell Atlantic Corp. and GTE Corp.
• Founded: 2000
• Headquarters: New York City, USA
• Product Categories: IT Security Consulting
• Description: Verizon provides a wide range of IT security consulting services, including managed security, incident response, and threat intelligence. They offer solutions for network security, data protection, and risk management, helping organizations stay secure in an evolving threat landscape.
• Key Features:
  • Managed security services
  • Incident response and threat intelligence
  • Network security solutions
  • Data protection and privacy services
  • Risk management consulting

11. Secureworks

• Founders: Michael R. Cote
• Founded: 1999
• Headquarters: Atlanta, Georgia, USA
• Product Categories: IT Security Consulting
• Description: Secureworks is a leading cybersecurity company that offers consulting, managed security, and threat intelligence services. They specialize in protecting organizations from advanced cyber threats, providing solutions such as threat detection and response, vulnerability management, and compliance support.
• Key Features:
  • Threat detection and response
  • Vulnerability management
  • Managed security services
  • Security and risk consulting
  • Compliance support

12. Rapid7

• Founders: Alan Matthews, Tas Giakouminakis, and Chad Loder
• Founded: 2000
• Headquarters: Boston, Massachusetts, USA
• Product Categories: IT Security Consulting
• Description: Rapid7 offers a range of cybersecurity solutions and consulting services, including vulnerability management, incident detection and response, and application security. Their solutions help organizations assess risks, identify vulnerabilities, and strengthen their overall security posture.
• Key Features:
  • Vulnerability management
  • Incident detection and response
  • Application security testing
  • Security analytics and automation
  • Advisory and consulting services

13. CGI

• Founders: Serge Godin, André Imbeau
• Founded Year: 1976
• Headquarters: Montreal, Quebec, Canada
• Product Categories: IT Strategy and Consulting, Cloud Services, Data Centers, Network Services, Security Services, and more
• Description: CGI is a leading IT security consulting, offering services such as cybersecurity strategy, threat intelligence, incident response, and compliance. They help organizations optimize their security posture and mitigate cyber risks
• Key Features:
  • Endpoint protection and threat detection
  • Threat intelligence and incident response
  • Proactive threat hunting and investigation
  • Managed security services
  • IT Security Consulting, assessment and consulting

14. Optiv Security

• Founders: Based on the merger of Accuvant and FishNet Security
• Founded: 2015
• Headquarters: Denver, Colorado, USA
• Product Categories: IT Security Consulting
• Description: Optiv Security is a leading provider of end-to-end cybersecurity solutions. They offer services such as identity and access management, cloud security, threat management, and risk consulting. Optiv helps organizations build proactive and resilient security capabilities.
• Key Features:
  • Identity and access management
  • Cloud security solutions
  • Threat management and intelligence
  • Risk and compliance consulting
  • Incident response services

15. Booz Allen Hamilton

• Founders: Kumar Mahadeva and Francisco D’Souza
• Founded: 1994
• Headquarters: Teaneck, New Jersey, USA
• Product Categories: IT Security Consulting
• Description: Cognizant is a global IT services and consulting company that offers IT security consulting services. They provide solutions such as cybersecurity strategy, risk management, compliance, and incident response. Cognizant helps organizations build resilient security frameworks and protect their digital assets.
• Key Features:
  • Cybersecurity strategy and risk management
  • Compliance and regulatory consulting
  • Incident response and digital forensics
  • Identity and access management
  • IT Security Consulting expertise

16. SecureLink

• Founders: Hans C. Bos and Erik Remmelzwaal
• Founded: 2003
• Headquarters: Utrecht, Netherlands
• Product Categories: IT Security Consulting
• Description: SecureLink is a leading cybersecurity company that offers IT security consulting services. They specialize in network security, cloud security, and identity management. SecureLink helps organizations assess vulnerabilities, implement effective security measures, and protect against cyber threats.
• Key Features:
  • Network security solutions
  • Cloud security consulting
  • Identity and access management
  • Security assessments and audits
  • IT Security Consulting expertise

17. Cylance

• Founders: Samuel Lowell Price, Edwin Waterhouse, William Barclay Peat, and Ernest Goodeve
• Founded Year: 1998
• Headquarters: London, United Kingdom
• Product Categories: IT Strategy and Consulting, Cloud Services, Data Centers, Network Services, Security Services, and more
• Description: PwC provides IT infrastructure consulting services, helping organizations align technology with business objectives. Their expertise includes cloud solutions, data center management, network optimization, and cybersecurity.
• Key Features:
  • IT infrastructure assessment and consulting
  • Cloud strategy and migration
  • Data center services and optimization
  • Network design and optimization
  • Cybersecurity assessment and implementation

18. Unisys

• Founders: J. Presper Eckert, John W. Mauchly
• Founded Year: 1986
• Headquarters: Blue Bell, Pennsylvania, United States
• Product Categories: IT Strategy and Consulting, Cloud Services, Data Centers, Network Services, Security Services, and more
• Description: Unisys offers IT infrastructure consulting services, enabling organizations to leverage technology for competitive advantage. They specialize in cloud solutions, data center management, network optimization, and cybersecurity.
• Key Features:
  • IT infrastructure assessment and consulting
  • Cloud strategy and migration
  • Data center services and management
  • Network design and optimization
  • Cybersecurity assessment and implementation

19. NCR Corporation

• Founders: John H. Patterson
• Founded Year: 1884
• Headquarters: Atlanta, Georgia, United States
• Product Categories: IT Strategy and Consulting, Cloud Services, Data Centers, Network Services, Security Services, and more
• Description: NCR Corporation provides IT infrastructure consulting services, helping organizations optimize their technology ecosystems. They specialize in cloud solutions, data center management, network optimization, and cybersecurity.
• Key Features:
  • IT infrastructure assessment and consulting
  • Cloud strategy and migration
  • Data center services and management
  • Network design and optimization
  • Cybersecurity assessment and implementation

20. Herjavec Group

• Founders: Robert Herjavec
• Founded: 2003
• Headquarters: Toronto, Ontario, Canada
• Product Categories: IT Security Consulting
• Description: Herjavec Group is a global cybersecurity firm that offers IT security consulting services. They provide expertise in security assessments, identity and access management, incident response, and threat detection. Herjavec Group helps organizations enhance their security posture and defend against evolving cyber threats.
• Key Features:
  • Security assessments and vulnerability management
  • Identity and access management solutions
  • Incident response and threat detection
  • Security program development
  • IT Security Consulting expertise

21. BT Security

• Founders: William Fothergill Cooke and John Lewis Ricardo
• Founded: 1846
• Headquarters: London, United Kingdom
• Product Categories: IT Security Consulting
• Description: BT Security is a leading provider of cybersecurity solutions and IT security consulting services. They offer a wide range of services, including threat intelligence, incident response, security assessments, and managed security. BT Security helps organizations protect their digital assets from evolving cyber threats.
• Key Features:
  • Threat intelligence and monitoring
  • Incident response and digital forensics
  • Security assessments and audits
  • Managed security services
  • IT Security Consulting expertise

22. CyberArk

• Founders: Michael Krasny
• Founded Year: 1984
• Headquarters: Lincolnshire, Illinois, United States
• Product Categories: IT Hardware, Software, and Services
• Description: CDW Corporation is a leading provider of IT infrastructure consulting services to help organizations optimize their technology landscape. They provide solutions in cloud computing, data center management, network optimization, and cybersecurity.
• Key Features:
  • IT infrastructure assessment and consulting
  • Cloud strategy and migration
  • Data center services and optimization
  • Network design and optimization
  • Cybersecurity assessment and implementation

23. F-Secure

• Founders: Petri Allas and Risto Siilasmaa
• Founded: 1988
• Headquarters: Helsinki, Finland
• Product Categories: IT Security Consulting
• Description: F-Secure is a global cybersecurity company that offers IT security consulting services. They provide solutions for endpoint protection, threat intelligence, vulnerability management, and incident response. F-Secure helps organizations build robust security frameworks and defend against cyber threats.
• Key Features:
  • Endpoint protection and antivirus solutions
  • Threat intelligence and monitoring
  • Vulnerability management and assessment
  • Incident response and digital forensics
  • IT Security Consulting expertise

24. HCL Technologies

• Founders: Shiv Nadar
• Founded: 1976
• Headquarters: Noida, Uttar Pradesh, India
• Product Categories: IT Security Consulting
• Description: HCL Technologies is a global technology company that offers IT security consulting services. They provide expertise in areas such as cybersecurity, risk management, compliance, and incident response. HCL Technologies helps organizations enhance their security capabilities and protect against cyber threats.
• Key Features:
  • Cybersecurity strategy and consulting
  • Risk management and compliance
  • Incident response and digital forensics
  • Security assessments and audits
  • IT Security Consulting expertise

25. NTT

• Founders: Hiroo Unoura
• Founded: 1985
• Headquarters: Tokyo, Japan
• Product Categories: IT Security Consulting
• Description: NTT Security is a global cybersecurity company that offers IT security consulting services. They provide expertise in areas such as threat intelligence, vulnerability management, and incident response. NTT Security helps organizations protect their digital assets and respond effectively to cyber threats.
• Key Features:
  • Threat intelligence and monitoring
  • Vulnerability management and assessment
  • Incident response and digital forensics
  • Security consulting and assessments