Are you looking for Top Security Testing Companies in USA to help improve your IT application quality?

We have provided a list of the Top Security Testing Companies from USA. We have also compared Security Testing Companies in detail so you can quickly select the best provider for your services.

We have compiled a list of top Security Testing Companies in USA.

Here is a list of Top Security testing companies in USA

  • Indium Software
  • Scnsoft
  • Cigniti
  • Kualitatem
  • ImpactQA
  • Testingxperts
  • Acunetix
  • HackerOne
  • Rapid 7
  • Redbot Security Penetration Testing

Top Security Testing Companies in USA 2021

Indium Software

Indium Software: Providing customer-centric high-quality technology solutions that deliver business value.

Indium software has been helping global enterprises and ISVs across BFSI, Healthcare, Retail, Manufacturing and other industries develop and enforce the most effective protection for their IT environments.

They have a team of certified engineers with more than 10+ years of experience specializing in end-to-end security testing services. As a thought leader in QA, they adhere to the industry guidelines like OWASP Top 10 & SANS Top 25 along with HIPAA, PCI DSS, SOX.

Best for Global enterprises and ISVs looking to identify the security threats within their system, measure its potential vulnerabilities and avoid future security exploits.

Headquarters: Cupertino, CA
Founded: 1999
Company size: 1100+

Core Services: Network penetration testing, application security testing, cloud application security testing, mobile application security testing, Vulnerability Assessment

Service Packages: Get a Quote for pricing details


IBM business partner in Security Operations and Response since 2003, ScienceSoft provides vulnerability assessment, penetration testing, compliance testing, security code review, and infrastructure security audit. ScienceSoft’s certified ethical hackers have completed over 150 security testing and security consulting projects in banking, retail, healthcare, manufacturing, public sector, and telecoms.


Cigniti’s Security Testing and web application penetration testing uncovers vulnerabilities in applications, ensures your application risks are minimized, and benchmarks your software code for increased quality assurance. Our Security Testing services across different industry verticals & enterprises ensure their cyber-safety, leading to robust brand image & client retention. A few differentiators of our dynamic application security testing services are:

  • Recognized by Fortune 500 companies for helping secure their products
  • Co-located testing professionals (Career Testers) & access to large software testing pool
  • Proprietary IP-led testing services & platform – BlueSwan
  • Security testing CoE
  • Certified ethical hackers, Hacker Eye View, structured testing methodologies, & zero-day vulnerabilities check
  • Web application security testing, mobile app security testing, regulatory & compliance, & static code analysis
  • Expertise in intrusive tests (DoS, DDoS, etc.)


We offer an in-depth automated and manual security assessment & code review service to highlight security vulnerabilities in software applications. Our security experts are experienced, certified, and use latest proprietary tools from HP, IBM, McAfee and Symantec to run our security testing processes.

We have extensive experience of security testing for Education, Retail, Government, Media & Financial sector. As a security testing company we helped many of our Fortune 1000 clients with security testing script preparation and their resourceful implementation.

We offer a broad range of security assessment and penetration testing services that includes Web Application Penetration Testing, Mobile Application Penetration Testing, Infrastructure Security Assessments, Physical Security Assessments, Voice Over IP Penetration Testing and Social Engineering.


ImpactQA has broadened its security testing model to expose vulnerabilities across applications and detect potential risks which can impact an organization’s brand name and reputation. With an adept team of professionals, this security testing company delivers state-of-the-art security practices that fit perfectly to suit the requirements of global clients.

Our service offering ensures utmost cyber-safety which is backed by comprehensive methodologies, cutting-edge technologies, and the latest tools. This security testing company makes sure that the tested applications exhibit improved agility, security, and scalability.

We possess decade old experience as a capable security testing services company to serve enterprises belonging to different industry verticals. We have successfully collaborated with Fortune 500 companies as well as small businesses to help them deliver secure software applications.


TestingXperts is among the best security testing companies that have expertise in assessing a wide range of applications for security threats and we ensure that your application is rigorously tested for all possible threats and vulnerabilities.

We primarily follow the OWASP (Open Web Security Project) guidelines in our security testing services along with PCI-DSS, HIPAA, SOX, WAHH, OSSTM, WASC and NIST Standards as per the application-specific requirements. These include a set of comprehensive checks for testing the security of your web application and ensuring that no vulnerabilities are missed during testing.


Acunetix is a fully automated web vulnerability scanner that detects and reports on over 4500 web application vulnerabilities including all variants of SQL Injection and XSS.

It complements the role of a penetration tester by automating tasks that can take hours to test manually, delivering accurate results with no false positives at top speed. Acunetix fully supports HTML5, JavaScript, and Single-page applications as well as CMS systems.

This includes advanced manual tools for penetration testers and integrates them with popular Issue Trackers and WAFs.


HackerOne is the global leader in hacker-powered security. We tap into our community of white-hat hackers to deliver 6x the ROI of traditional pentests.

Headquarters: San Francisco, US
Founded: 2012
Employee Count: 250
Revenue: $25 M+

Enlisted Below Are Some Reasons For Top Companies To Choose HackerOne’s Pentests:

  • Speed of on-demand delivery: Get started in 7 days and get full results in 4 weeks.
  • Get alerted to vulnerabilities as they are found: Don’t wait until the report to find out critical vulnerabilities, know immediately.
  • Hands-on scoping: Pentesters are matched based on skills and relevance to business applications.
  • Direct feedback loop with testers: Communicate directly with your team through modern collaboration tools like Slack.
  • No additional cost for retesting: Retesting is included and is handled by the original finder to ensure accuracy & consistency.
  • Software development life cycle integrations: Get integration with products like Github and Jira to collaborate easily with dev teams and remediate faster.
  • Achieve compliance standards: SOC2, ISO, PCI, HITRUST, etc.

Core Services: Hacker-powered security through penetration testing, bug bounties, vulnerability disclosure programs, vulnerability assessment, compliance testing, and more.

Customers: Google Play, Spotify, Paypal, Slack, HBO, Verizon, Twitter, Shopify, Toyota, General Motors, Starbucks, European Commission, Twitter.

Rapid 7

In security as in life, the hardest weaknesses to pinpoint are your own. Fortunately, we have no problem thoroughly documenting all of your flaws. In fact, it’s kind of our job. And that’s a good thing: Knowing your vulnerabilities—and the ways in which attackers could exploit them—is one of the greatest insights you can get in improving your security program.

With that in mind, Rapid7’s Penetration Testing Services team will simulate a real-world attack on your networks, applications, devices, and/or people to demonstrate the security level of your key systems and infrastructure and show you what it will take to strengthen it. Much like your mom, we don’t highlight your failings because it bothers you—we do it because we care.

Redbot Security Penetration Testing

Redbot Security can customize a penetration testing scope based for any size client project and budget. Redbot Security penetration testing team is ranked on the world’s ethical hacker list within the top 5 spots and have performed penetration testing work for companies ranging from Fortune 100 to SMBs. Redbot Security scoping and detailed remediation reporting is the cleanest and most comprehensive in the industry. Redbot specializes in ICS/SCADA, Wireless, Application and Internal/ External Penetration Testing. Redbot Security’s Penetration Testing division is operated as a lean company with little overhead, with a mission to provide customers with enterprise level services and highly competitive service rates – making the company highly sought after for any size Penetration Testing project. The company has the unique ability to scope small to large projects, meeting the budgets and timelines of their clients.

In addition, Redbot Security penetration testing is reviewed and analyzed by a team of Sr. Level Engineers that have worked in the space for over 20 years and manage real world threat detection for many large enterprise companies, daily.


All these companies will provide you with almost every piece of equipment you need to make your business grow. The latest technology and faster service make your software more efficient. The above-mentioned Security testing companies are the top of their game.