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Top Cybersecurity Companies

Cybersecurity companies are your defense against data loss, bot invasions, and account breaches. With a laser focus on predictive analytics, threat intelligence software, and risk mitigation, these cyber companies can mitigate and prevent cyber threats successfully. Fortify your operation with industry heavyweights like Microsoft, CrowdStrike, and Palo Alto Networks — in an industry evolving at lightning speed, it's time to team up with the best in the business. Also view other popular cybersecurity services: account take-over prevention, cybersecurity awareness training services or view cybersecurity packages.


10 Most Popular Cybersecurity Companies on Clutch

  1. Sekurno
    HQ Location: Amsterdam, Netherlands
    Avg. Hourly Rate: $50 - $99 / hr
    # of Reviews: 21
    Review Rating: 5.0
    Sekurno provides cybersecurity solutions for high-risk industries and enterprise SaaS companies, focusing on safeguarding businesses against financial and reputational risks. Their services include vulnerability assessments, penetration testing, security training, compliance audits, incident response, and integration of security into software development. Sekurno's client-centered approach emphasizes identifying key vulnerabilities, optimizing resource use, and implementing best practices for a strong security posture.
  2. Foresite Cybersecurity
    HQ Location: Overland Park, KS
    Avg. Hourly Rate: Undisclosed
    # of Reviews: 28
    Review Rating: 4.9
    Foresite Cybersecurity is a global provider of managed security and compliance solutions designed to protect organizations in both the commercial and public sectors. Their services enhance existing security measures, working alongside internal teams or IT partners to maximize the value of current investments. Key offerings include managed SIEM/SOC for real-time threat monitoring, autonomous testing to identify vulnerabilities, and managed compliance to ensure alignment with cybersecurity frameworks.
  3. Packetlabs Ltd.
    HQ Location: Toronto, Canada
    Avg. Hourly Rate: Undisclosed
    # of Reviews: 43
    Review Rating: 5.0
    Packetlabs is a Canadian-based cybersecurity firm specializing in advanced security assessments for SMBs and enterprises across North America. Their approach prioritizes manual penetration testing—conducted in-house—to uncover vulnerabilities that automated scans often miss. Packetlabs provides services like ransomware and cloud penetration testing, adversary simulation, and application security assessments, all designed to go beyond compliance and deliver actionable insights.
  4. UnderDefense
    HQ Location:
    Avg. Hourly Rate: $50 - $99 / hr
    # of Reviews: 62
    Review Rating: 5.0
    UnderDefense is a cybersecurity firm specializing in 24/7 threat detection, incident response, and penetration testing to help organizations strengthen their defenses. Their core services include managed detection and response (MDR), cloud security, compliance support, and managed SIEM/EDR, tailored to reduce security incidents and improve threat visibility.
  5. TechMD
    HQ Location: Endicott, NY
    Avg. Hourly Rate: $150 - $199 / hr
    # of Reviews: 43
    Review Rating: 5.0
    TechMD is a cybersecurity-focused IT solutions firm dedicated to delivering secure and scalable technology to small and medium-sized businesses. Their services include robust cloud solutions, cybersecurity measures, and strategic IT consulting, all designed to enhance productivity while safeguarding critical data. By integrating enterprise-grade security into their cloud and infrastructure management offerings, TechMD helps organizations protect against threats.
  6. Vumetric
    HQ Location: Toronto, Canada
    Avg. Hourly Rate: $150 - $199 / hr
    # of Reviews: 47
    Review Rating: 4.9
    Vumetric is a specialized cybersecurity firm offering penetration testing and IT security assessment services. Serving Fortune 1000 companies, SMBs, and government agencies across five continents, their impartial, vendor-neutral approach has earned them expert standing in the cybersecurity community.
  7. Ebryx
    HQ Location: Salem, NH
    Avg. Hourly Rate: $25 - $49 / hr
    # of Reviews: 9
    Review Rating: 4.9
    Ebryx is a cybersecurity and engineering solutions provider offering a comprehensive range of services, including managed security, security product engineering, and custom software development. Their dedicated R&D division helps organizations develop proprietary security tools and strategies, combining technical innovation with practical experience to address evolving threats.
  8. Securing
    HQ Location: Kraków, Poland
    Avg. Hourly Rate: $100 - $149 / hr
    # of Reviews: 17
    Review Rating: 5.0
    Securing is a team of specialized IT security consultants offering expertise across diverse domains, including web, mobile, cloud, IoT, embedded systems, and blockchain. Their approach goes beyond security testing, focusing on collaborative partnerships to guide clients through every step of the security process.
  9. Apriorit
    HQ Location: Poznań, Poland
    Avg. Hourly Rate: $100 - $149 / hr
    # of Reviews: 39
    Review Rating: 5.0
    Apriorit is a trusted software engineering company specializing in cybersecurity and AI solutions for mid-sized companies, and startups worldwide. Their expertise spans custom software development, AI & ML technology implementation, cybersecurity audits, legacy product upgrades, and cloud infrastructure management. Apriorit's team excels in developing cutting-edge solutions for embedded systems, IoT, network management, and SaaS, while also offering specialized services in blockchain, software reverse engineering, and generative AI.
  10. Rewterz
    HQ Location: Riyadh, Saudi Arabia
    Avg. Hourly Rate: $50 - $99 / hr
    # of Reviews: 10
    Review Rating: 4.5
    Rewterz is a cybersecurity firm offering a comprehensive, holistic approach to safeguarding organizations against data breaches and cyber threats. With a focus on integrating advanced security measures, Rewterz provides a full range of services, including VAPT assessments, penetration testing, red teaming, and source code reviews. Their expertise extends to strategic services like secure architecture design, security maturity assessments, and threat landscape evaluations.

Selection Criteria: Popular Cybersecurity Companies

Clutch makes it easy to find and connect with the best cybersecurity companies on the planet. The Clutch Leaders Matrix provides a broad view of top cybersecurity firms, each company featured is evaluated on specific criteria. This robust criteria includes Area of Focus and Ability to Deliver. Area of Focus accounts for a company’s specialization within a certain service. Ability to Deliver includes client reviews, past projects, market presence and reputation in the industry. Each security firm must provide evidence of successfully completed projects for previous clients, validating the project occurred and the details of the engagement are valid.

Appearances in the Leaders Matrix are not paid placements; companies cannot pay to be included.

 Note: This list was last updated on November 26, 2024
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Ratings Updated: January 19, 2025