According to Statista, over 29,000 types of IT security vulnerabilities and exposures (CVEs) were discovered worldwide in 2023, and the number is growing every year. One of the best practices for ensuring a robust cybersecurity posture for businesses is conducting vulnerability assessments. These assessments, performed by cybersecurity services providers, reveal security weaknesses and provide risk evaluation guidance, significantly reducing the likelihood of cybercriminal breaches. To help you choose the best security vendor, we have compiled a list of the most trustworthy vulnerability assessment companies.

Number of common IT security vulnerabilities and exposures (CVEs) worldwide from 2009 to 2023

Selection criteria

We selected the best vulnerability assessment companies, relying on specific criteria to help you choose the most suitable one. For instance, companies with over ten years of experience conducting security assessments are more likely to have the necessary expertise and qualifications to provide such services. Also, firms with more security experts on board offer a more comprehensive range of industry-specific expertise and can accelerate business processes. Thus, we selected the following criteria to find the most trusted vulnerability assessment firms globally:

  • Proven experience in providing vulnerability assessments;
  • Over 10 years on the market;
  • More than 250 tech experts on board;
  • Over 10 reviews on Clutch;
  • 4,6 and higher overall ranking on Clutch.

Top 15 reliable vulnerability assessment companies

1. N-iX

N-iX is a global technology company with 21 years of experience in providing software development and cybersecurity services. N-iX experts use automated tools and scanners to identify weaknesses, threats, and risks of potential attacks. The company's security analysts conduct vulnerability assessments for networks, hosts, applications, and data.

The company has a diverse portfolio of cybersecurity projects for businesses of all sizes. It supports them through security consulting, application security services, adoption of government and compliance frameworks, and setting up security operations centers (SOCs). N-iX also provides DevSecOps services to accelerate and strengthen the software development lifecycles of its clients.

N-iX helps organizations achieve regulatory compliance in highly regulated domains such as healthcare, finance, and banking. The company ensures adherence to cybersecurity policies and standards by complying with regulations like PCI DSS, FSQS, CyberGRX, GDPR, HIPAA, ISO 9001:2008, ISO 27001, and ISO/IEC 27701:2019. Over two decades of experience and strong domain expertise in finance, manufacturing, logistics, supply chain, retail, automotive, energy, and other industries make N-iX one of the trusted vulnerability assessment companies.

N-iX: year of establishment, number of employees, key clients

2. Sikich

This outsourcing company provides consulting, risk mitigation, vulnerability scanning, and prevention services. With over 40 years of experience and 16 offices across the US, this vendor has a portfolio of conducting compliance audits, penetration testing, vulnerability assessments, and investigations. This tech vendor has experience and certifications in handling different types of data: medical (HIPAA), banking (GLBA), credit card (PCI DSS), and more.

Sikich: year of establishment, number of employees, key clients

3. TechMD

Headquartered in the US, this cybersecurity vendor offers endpoint detection and response, employee security awareness training, and multi-factor authentication. It also provides access control, business continuity, disaster recovery, and proactive risk and vulnerability assessments. The company partners with small and mid-sized businesses in the automotive, manufacturing, education, finance, and other industries.

TechMD: year of establishment, number of employees, key clients

4. Andersen

The company is a large vendor from Poland that provides IT cybersecurity management services. In addition to security maintenance, automatic analysis, incident solutions, and audits, the tech company also offers vulnerability scanning services. Their security experts have the appropriate certifications, such as SSCP, OSCP, and OSWE.

Andersen: year of establishment, number of employees, key clients

5. Dataprise

With almost three decades of experience, this firm provides comprehensive cybersecurity programs for businesses offering MDR and SOC solutions. They include protecting human, perimeter, endpoint, and network layers of security, round-the-clock monitoring and response, tech support, and vulnerability management. They mainly provide services for companies in healthcare, banking, media, entertainment, finance, and other industries.

Dataprise: year of establishment, number of employees, key clients

6. Infopulse

This is another European company on our vulnerability assessment companies list. Their custom security assessment services include identifying vulnerabilities and areas for improvement, ensuring data compliance, reputation management, developing security strategies, and strengthening policies. The vendor works with companies of different sizes, mainly from the banking, telecom, oil and gas, energy, and software industries.

Infopulse: year of establishment, number of employees, key clients

7. Softeq

Headquartered in the US, the company has a strong security focus, among other software engineering services. In addition to conducting assessments, testing, overhauling, and implementing cybersecurity practices, the vendor provides manual and automated vulnerability scanning. Their vulnerability management services include cross-site scripting, SSL/TLS, SQL injections, remote code execution, and others.

Softeq: year of establishment, number of employees, key clients

8. CyberDuo

With over 15 years of experience, this cybersecurity vendor offers endpoint protection, EDR, firewall, SIEM and log management, vulnerability scanning, and risk management. The company also provides email protection, cloud security, compliance, and security awareness training. The vendor's portfolio includes partnerships with healthcare, education, and software companies.

CyberDuo: year of establishment, number of employees, key clients

9. Future Processing

Established in 2000 in Poland, this technology company assists businesses in cybersecurity consulting, building security development lifecycles, pen testing, dependencies checks, application security testing, vulnerability assessments, SecOps, and SIEM/SOC deployment. Security engineers here have certifications like CISSP, OSP, and CEH.

Future Processing: year of establishment, number of employees, key clients

10. Ntiva

The company from the US provides IT services and support for small and medium-sized businesses in government, legal, financial, and healthcare domains. The vendor offers various managed security services, including risk assessment, virtual CISO solutions, multi-factor authentication, EDR, and IDR. It also provides phishing prevention, dark web monitoring, vulnerability assessment, and testing services.

Ntiva: year of establishment, number of employees, key clients

11. Dreamix

Founded in 2007, this IT technology provider is from Bulgaria. Its security services include protecting digital assets and sensitive data, vulnerability assessment, threat detection, and incident response. The company supports businesses in the aviation, transport, regtech, fintech, healthcare, and ESG industries.

Dreamix: year of establishment, number of employees, key clients

12. Dotsquares

Headquartered in the UK, this company has over two decades of experience providing cybersecurity services. These include red team exercises, web application security, network penetration testing, regulatory compliance, and cloud security services. The tech vendor also conducts vulnerability assessments across web and mobile platforms, as well as external and internal networks.

Dotsquares: year of establishment, number of employees, key clients

13. Computools

This is one of the European vulnerability assessment companies that utilize penetration testing, open source intelligent tools, security and risk management, continuous threat exposure control, and strategy consulting to protect their clients' businesses. They implement and enhance cybersecurity programs covering security awareness, vulnerability management, and continuous monitoring.

Computools: year of establishment, number of employees, key clients

14. Softude

Since 2005, this digital solutions provider from India has focused on cybersecurity. The company offers virtual CISO, security consulting and compliance, risk management, cloud and network security, and vulnerability management services. The latter include vulnerability assessment, penetration testing, and patching. The vendor works with healthcare, automotive, finance, wellness, and logistics businesses.

Softude: year of establishment, number of employees, key clients

15. Applaudo

The last one on our vulnerability assessment firms list is the technology company from EI Salvador which was founded in 2013. It provides robust cybersecurity services like information security audit, DevSecOps, penetration testing, endpoint monitoring, and vulnerability scanning. The vendor has a comprehensive portfolio of success stories with clients from travel, automotive, manufacturing, retail, sports, and other industries.

Applaudo: year of establishment, number of employees, key clients

Read more: Top 15 cybersecurity assessment companies

Why should you entrust vulnerability scanning to N-iX?

If you are looking for an experienced cybersecurity vendor to conduct vulnerability assessments, N-iX is here to assist you.

With 21 years of experience and over 20 cybersecurity experts, we successfully completed and delivered more than 100 security projects for businesses in various industries. For example, N-iX has worked with Fortune 500 companies and complies with such certifications as the PCI DSS, FSQS, CyberGRX, ISO 9001:2008, ISO 27001, ISO/IEC 27701:2019, and others.

With plenty of experience in healthcare, banking, finance, energy, manufacturing, retail, and other domains, N-iX is qualified to help you conduct vulnerability assessments and improve your business's security posture.

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