Top Application Security Testing Companies

Searching for application security testing companies? Here is a list of firms for application security testing services. These firms are skilled enough to protect your application from security violation or unintended penetration. They are among the top companies for app security testing that have expertise in appraising a wide range of applications for security threats and ensure that your app is rigorously tested for all possible threats and vulnerabilities. With good experience in serving clients across different industry verticals and organization sizes, we handpicked these companies judging them under certain crucial parameters to present you the list below:

Goodfirms conducts a thorough review and verification process before including any company in the listings. Some listings may involve fees. [How Goodfirms ensures trust]
1012 CompaniesRankings updated: Dec 31, 2025
Find a Testing Services Company Near you
Find a Testing Services Company Near you
Service
Hourly Rate
Employees
ReviewsAll Companies
Industry
Client Type

List of Best Companies for App Security Testing

  • Nexential Solutions Private Limited is an emerging company based in India providing a one-step solution for all your needs. We practice saying ‘ÝES’ to all your queries and needs. With a wide range of service at Nexential Solutions, we provide end to end solution starting from startups to enterprises. Our business philosophy is to assure ... read Nexential Solutions Pvt. Ltd. reviews & insights

    < $25/hr
    2 - 9
    2019
    Bengaluru, India
  • Welcome to Solway, your premier partner in pioneering Digital IT services. Established with a profound dedication to revolutionizing the tech landscape, Solway offers a comprehensive suite of services tailored to enhance business efficiency and innovation. Our core offerings include: Custom Software Development: Crafting bespoke software solutions that are precisely aligned with your business needs. IT ... read Solway reviews & insights

    $25 - $49/hr
    10 - 49
    2023
    Warsaw, Poland
  • We are a Melbourne-based nearshore software company providing world-class dedicated tech talent and development expertise to companies listed in the Australian Share Market to innovative startups who are shaping the future.

    $50 - $99/hr
    10 - 49
    2018
  • 4Roots Consulting is a technology company specializing in software testing, automated QA, and digital quality assurance . We operate globally—with a presence in Brazil, the US, and Europe —helping companies deliver secure, stable, and high-performance digital products . We combine technical expertise, agile methodologies, and strategic vision to offer tailored solutions, from rapid validations to continuous QA programs (CTaaS) . Our focus is simple—ensuring that every client delivery performs ... read 4Roots Consulting reviews & insights

    NA
    2 - 9
    2025
    Sao Paulo, Brazil

Confused about which partner to choose?

Let our experts study your requirements and send a curated list of trusted companies.

Get a shortlist

Why Trust Goodfirms

Goodfirms is the world’s leading reviews and ratings company featuring 100,000+ tech companies from across the globe, complete with 80,000+ humanly vetted client reviews, detailed portfolios, hourly rates, employee strength, and more to help you choose your perfect tech partner.

Humanly-Vetted Client Reviews

Our researchers have personally vouched for the authenticity of 80,000+ client reviews by speaking directly with clients, cross-checking project details, timelines, and results to ensure 100% credibility.

Data-Driven Rankings

Data powers our company listings. Every company listed is evaluated based on its expertise, experience, market presence, reviews, and client satisfaction rate, which helps buyers confidently choose the right tech partner.

Global Trust & Recognition

Goodfirms is trusted by 100,000+ businesses in 160+ countries to connect with reliable tech partners. Our reputation is built on 80,000+ verified reviews and rankings you can trust.

Transparency In Detail

From verified client reviews and portfolio highlights to service focus and pricing, Goodfirms provides a 360-degree view of every company, helping 2+ million monthly users find the perfect tech partner.

Trending insights from Goodfirms

Valuable insights from top experts accelerate decision-making.

AI in Test Automation: A Guide for Modern Software Development Teams
Automated Testing - The Future of Software Testing
Big Tech’s A/B Testing and Culture of Experimentation: 5 Reasons Startups Should Follow Suit
Read all research articles