Strong on both Core Competencies and 360-Performance. These firms have proven track records, deep specialisation, and solid client outcomes. Default recommendation for most buyers.
Top Application Security Testing Companies
Goodfirms has reviewed 1,047 Application Security Testing Companies as of September 2026 across 80 countries. The top-ranked firm is QA Mentor (5.0 stars, 8 verified reviews, < $25/hr, founded 2010, NYC). Across the category, the median hourly rate is $37, median client rating is 4.8, and 39% of firms employ 50+ members. Explore the vetted Application Security Testing Companies below, compare their strengths, and connect with the provider best suited to your requirements.
Application security breaches are no longer isolated incidents — they are business-defining events. Application security companies today operate across an expanded attack surface shaped by AI-generated code, third-party APIs, and cloud-native deployments — and the need for trusted application security testing partners has grown sharper across every industry. The firms on this list deliver application security testing services that cover the full vulnerability spectrum — from static code analysis to dynamic runtime testing and compliance validation. Each uses proven application security testing tools to surface what automated scans miss. Goodfirms evaluated these companies on methodology, industry experience, and their ability to protect what you have built.
Goodfirms has verified 1,047 Application Security Testing Companies - part of 5,425+ Software Testing Companies reviewed across 80 countries, each passing Goodfirms' 4-step verification process (background check, client interviews, portfolio audit, ongoing quality review). Listings marked "Sponsored" are agencies that pay for premium placement - sponsorship does not affect star ratings or review content.
Top 10 at Glance
Compare the highest-ranked firms first side by side.
List of Best Companies for App Security Testing
We specialize in delivering scalable, end-to-end QA solutions that drive product quality, speed, and confidence. Whether it’s Functional Testing, Automation, AI/ML testing, or CI/CD integration — we’re not generalists, we’re QA specialists. Our mission is simple: to end bugs before they reach your users. Our expert team partners closely with your developers, integrates seamlessly with ... read TestOrbit reviews & insights
$25 - $49/hr2 - 92024London, United KingdomAt SQA Alliance, we are dedicated to delivering top-quality software testing and QA services that help businesses launch reliable, high-performing, and secure digital products. With a team of experienced QA engineers and test automation experts, we ensure your software meets the highest industry standards while providing a seamless user experience. Our expertise covers a wide ... read SQA Alliance reviews & insights
< $25/hr10 - 492024Lahore, PakistanWe believe that quality software is the foundation of digital success. Every line of code, every feature, and every user interaction should work flawlessly to create exceptional experiences. Quality assurance isn't just about finding bugs—it's about preventing them, ensuring reliability, and building confidence in your product from the ground up. We believe in proactive collaboration, ... read NorthQA OPC reviews & insights
NA2 - 92023Cagayan de Oro, PhilippinesQuality Lab LLC is a team of testing experts. We've been working since 2009. Our team consists of 134 testers with various specializations and competencies. We test websites, applications, and software, and perform QA audits. We can handle project-based work or long-term support. We use the latest QA tools and have extensive experience in various ... read Quality Lab LLC reviews & insights
$25 - $49/hr50 - 2492009Moscow, RussiaTestOrigen Software Testing Services Pvt Ltd is an independent software testing and quality assurance company based in Noida, India. Founded in 2015, we have spent over 10 years perfecting the science and discipline of software quality — helping startups, SMBs, and growing technology companies across the United States, United Kingdom, and Europe launch with confidence. ... read TestOrigen Software Testing Services Pvt Ltd reviews & insights
$25 - $49/hr10 - 492015Noida, IndiaWhy TestOrigen Software Testing Services Pvt Ltd?
- Enterprise quality, startup-friendly rates
- Independent Perspective
- Clear, actionable bug reports always
Using AI Tools
ChatGPT
Claude
PinnacleQM is a global leader in Digital Business Assurance and Quality Engineering, with over 30 years of international delivery experience helping organisations navigate complex IT transformation with confidence.Our services span Digital Business Assurance, Independent Assurance, Testing & Test Management, AI & Automation Consulting, AI Security Testing, Business & IT Automation, Consulting & Advisory, and Project ... read PinnacleQM reviews & insights
NA50 - 2492013Melbourne, AustraliaWhy PinnacleQM?
- Genuinely independent
- Automation that outlives its author
- Proven under pressure
Using AI Tools
ChatGPT
Claude
GitHub Copilot
Gemini
Luxival is a Finland-based digital services company helping businesses build, test and improve their online products. We provide professional website design, search engine optimisation, quality assurance, software testing, AI automation and chatbot solutions.Our website development services focus on responsive design, accessibility, performance, security and search visibility. We also test websites, web applications, APIs and mobile ... read luxival reviews & insights
$50 - $99/hrFreelancer2023Vantaa, FinlandWhy luxival?
- Practical solutions tailored to your business
- Web development and QA in one service
- Reliable support from planning to delivery
We are a team of young and dynamic talent that focuses on holistic project management, software development,quality assurance and testing services. We are working with Global customers to deliver excellent end-user experience and top class software products for our clients.
$25 - $49/hr2 - 92017Dubai, UAEiCST breathes and lives excellence. Our clients and consultants represent the best, brightest and most innovative people and organizations in Maine, the US and internationally. For over twenty years our clients have relied on iCST as a trusted consultant to provide key software solutions and IT staffing during critical growth period and IT development projects. ... read iCST reviews & insights
$100 - $149/hr10 - 491996South Portland, United StatesUsing AI Tools
Claude
Since our inception in 2015, UTrust has been dedicated to delivering comprehensive outsourced software testing solutions. We've grown into a reliable partner for businesses worldwide, ensuring the quality and reliability of their software products. Our team of experienced testers combines cutting-edge methodologies with a deep understanding of industry best practices to provide exceptional testing services ... read UTrust reviews & insights
$25 - $49/hr50 - 2492015Nasr City, EgyptWhy UTrust?
- Highest quality
- Risk mitigation
- Team capability
Testing Genez, powered by Teknotrait Solutions Pvt. Ltd., is an IT Consultancy and Outsourcing company headquartered in Bengaluru, Silicon Valley of India. Our mission is to deliver end to end IT Solutions across the globe by leveraging through latest technologies and bringing a positive social change. We specialize in Independent Testing Services. Our flexible engagement ... read Testing Genez reviews & insights
NA10 - 492017Bengaluru, IndiaKefiQA is a software testing company, which provides extensive list of independent software testing services to the customers around the globe. With a motto to offer high quality cost-effective software testing services to our clients , we present a team of highly experienced and 100%ISTQB certified team of professionals in a wide range of areas ... read KefiQA reviews & insights
< $25/hr50 - 2492017Toronto, CanadaDragonFlyTest is the brainchild of our vision to help our clients deliver bug-free software to end users by taking their creative creations to new levels to enhance their experience. With over 15 years of industry experience, we have a unique approach to solving problems, and some of our accomplishments include developing innovative open-source automation frameworks.
$25 - $49/hr10 - 492019Hyderabad, IndiaAt our core, we are dedicated experts in delivering unparalleled QA testing and consultancy services tailored to businesses of every scale. With a steadfast commitment to excellence, we empower organizations to achieve optimal software quality and performance. Our team of seasoned professionals combines industry-leading knowledge with innovative strategies to ensure seamless implementation and unmatched client ... read ReliaTest reviews & insights
$25 - $49/hr2 - 92023Lahore, PakistanAt Skipper Soft, we focus on Quality Engineering and Test Automation. We help tech teams align people, processes, and technologies so everything moves faster without accumulating tech debt. The way we do that is always shaped around each client's unique stack and priorities. We work across a broad range of domains - everything from web, ... read Skipper Soft reviews & insights
$50 - $99/hr10 - 492021Petach Tikva, IsraelWe are one of the leading Access Consulting companies that provides range of services to enterprises/organizations worldwide. Services include web accessibility, desktop accessibility, mobile accessibility, Document accessibility, Media accessibility and cloud services accessibility, Workplace accessibility solutions, SEO, Cross Browser Compatibility and more. Access Consulting and User Experience consulting is our key business. We also focus ... read Sugamya Digital Solutions Pvt. Ltd. reviews & insights
NA10 - 49Pune, IndiaOur mission is to make the “Cyber World” a better place to live in. We want to “guard” enterprise’s digital assets from hackers with a Hacker’s mindset. At Hackers Security, we have a constant hunger of preventing businesses from losing money and precious consumer personal information. Creating a “safe and secure” future for businesses to ... read Hacker’s Security reviews & insights
NA2 - 9Gurgaon, IndiaWeblineGlobal is an Award winning Software Development Company from Irvine, California, USA; active since 1999. We are considered as one of the leading software development organization in the Market, started providing enterprise services and solutions, well before our counterparts. With extensive experience in complex new age tech, our team is well equipped not only in ... read WeblineGlobal reviews & insights
$25 - $49/hr50 - 2491999Irvine, United StatesWe bring into play the NASA precision and apply basic fundamental elements to bring balance into the system. Our builds move through the development channel, we test the code under production conditions to build our staging environment to simulate our customers’ production environments. Our engineers are fully autonomous. Determination and Commitment to excellence is the ... read Thought Frameworks reviews & insights
$50 - $99/hr50 - 2492009Orange County, United StatesEstablished in 1988, TestPros provides Independent Assessment and Security Services. Our range of services includes Testing, Quality Assurance, Software/Systems Testing, Automated Testing, Test Range/Test Lab operations, Section 508/WCAG, Program Management, Oversight, Cyber Security, FedRAMP Cloud Security, 800-171, Quality Assurance, Information Assurance, Software Assurance, Configuration Management, Continuous Integration, Help Desk, and software lifecycle services. TestPros supports ... read TestPros reviews & insights
$100 - $149/hr50 - 2491988Sterling, United StatesWe are a software house based in Turin. Our focus is to be constantly up to date with the last cutting-edge technologies in order to give our customers the best business solution possible and tailor it to their needs. Our services include mobile apps, web apps, e-commerce, social integration, testing and quality assurance. We always ... read Etiqa srl reviews & insights
$50 - $99/hr10 - 492014Turin, ItalyWe specialize in different types of software testing services, are skilled in using various testing tools, working with modern mobile, desktop and web technologies. Our high competence along with deep knowledge in IT allow us to be one of the best among quality control companies to satisfy our numerous customers from all over the world ... read SO Testing & Training reviews & insights
$25 - $49/hr10 - 49Auckland, New ZealandWe help teams in software, gaming and fintech industries to improve the quality of their new or existing software by delivering crowdsourced testing services. We do both Functional and Automated testing services with a vetted crowd of high skilled professionals. Our Testing as a Service Platform offers full BDD Test Automation Framework based on Open ... read Crowdar reviews & insights
$25 - $49/hr10 - 492013Manchester, United KingdomWe help startups to deliver quality products at faster release cycles without compromising on quality. We provide functional, automation, API, and performance testing services to startups to build quality and robust web and mobile applications.
< $25/hr2 - 92024Hyderabad, IndiaUsing AI Tools
Claude
360 Fahrenheit is a boutique QA automation agency based in Lahore, Pakistan, built for tech teams that need senior-level test engineering without the overhead of large outsourcing firms.Unlike traditional offshore QA companies that staff with junior testers, we are a tight team of senior automation engineers specializing in Java-first frameworks — Selenium, Playwright, RestAssured, and ... read 360 Fahrenheit reviews & insights
< $25/hr2 - 92025Lahore, PakistanWhy 360 Fahrenheit?
- Senior engineers only no junior bait and switch
- Java first stack Selenium, Playwright, RestAssured
- 50-70 percent lower cost than US UK QA agencies
At Zeus, we believe that quality make everything stand-out from the rest. Its even more important when we have something that many will use - be it a mobile app or an e-commerce site.Our team of experienced and competent resources are skilled and qualified to do just that - identify issues and get it fixed ... read Zeus Testing Solutions reviews & insights
NA2 - 9London, United KingdomWe are a service provider company specializing in software quality assurance.To create top-notch solutions that are tailored to our client's individual demands, our team of professionals combines technical know-how with an eye for style.We are a service provider company specializing in software quality assurance. To create top-notch solutions that are tailored to our clients' individual ... read Tatylab Solutions reviews & insights
< $25/hr10 - 492023London, United KingdomWe have emerged as one of India's leading software quality engineering company, exclusively focused on Hyper Automation Software Testing. Our talented team of 40+ QA champions strive to deliver impactful and intelligent software testing services to software development companies and tech-enabled businesses worldwide with the goal of elevating their software quality and ensuring that their ... read Calidad Infotech LLP reviews & insights
$25 - $49/hr10 - 492021Ahmedabad, IndiaCarnelian Technologies is a specialized QA and software testing company with nine years of proven excellence, delivering zero-defect release cycles for HealthTech, FinTech, and SaaS companies across the globe. Full Company Description: Carnelian Technologies is a dedicated quality assurance and software testing firm with over nine years of experience helping technology companies ship reliable, high-performing ... read Carnelian Technologies LLC FC reviews & insights
$25 - $49/hr2 - 92015Dubai, UAEWhy Carnelian Technologies LLC FC?
- 9 years of focused QA expertise across regulated
- Agentic AI-powered testing for smarter testing
- Flexible engagement models
Avekshaa Technologies is a leading provider of Performance, Availability, Scalability, and Security (P-A-S-S™) assurance solutions for enterprise IT systems. Since 2011, we’ve helped over 60 large businesses across industries ensure their mission-critical applications run efficiently, securely, and reliably. Our proprietary P-A-S-S™ Assurance Platform proactively identifies and resolves non-functional issues across the application lifecycle, improving ROI, ... read Avekshaa Technologies reviews & insights
NA50 - 2492011Bengaluru, IndiaUsing AI Tools
Claude
Vibecop is an AI-built software audit service: independent technical review of applications built with AI coding tools such as Claude Code, Cursor, Lovable, Bolt and Replit. Adult supervision for AI-built products. Every audit runs the same ten stages against your codebase and infrastructure, covering architecture, code quality, security, authentication and authorization, database and API design, ... read Vibecop reviews & insights
$25 - $49/hr2 - 92026Lahore, PakistanWhy Vibecop?
- Senior engineers, not AI, review your code
- Catch costly issues before production
- Independent, unbiased technical audits
Anbosoft is a trusted leader in Software Quality Assurance (QA) services, dedicated to ensuring flawless digital experiences. Our expert QA team specializes in manual and automated testing, performance optimization, and security validation across diverse platforms. With a client-first approach, we’ve earned a reputation for exceeding expectations, delivering timely, defect-free solutions, and fostering lasting partnerships. At ... read Anbosoft reviews & insights
$25 - $49/hr10 - 492020Irvine, United StatesWe are passionate about harnessing technology to drive business success. Founded by a team of experts in web development, software engineering, graphic design, and digital marketingTake your business to new heights. Use our fastest CRM HRM and Hospital Management System, or build a custom system with us. It's secure and Fast.
< $25/hr2 - 9Kuala Lumpur, MalaysiaAbout Sevlex Sevlex is a modern cybersecurity company focused on protecting businesses of all sizes from digital threats. We deliver expert-led, AI-backed security solutions that are scalable, efficient, and tailored to your industry needs. Our services are built to secure startups, enterprises, and online platforms across the globe—ensuring data privacy, compliance, and 24/7 threat defense. ... read Sevlex reviews & insights
$25 - $49/hr2 - 92024Bardoli, IndiaWith 14 years’ industry experience and a background in enterprise-level application and software testing, we understand how technology and build quality enhances customer relationships, drives profitability and your brand. Our expertise is in ensuring your project is successfully delivered, works as intended and delivers an amazing customer and user experience. We work alongside in-house development ... read Revolution IT reviews & insights
$100 - $149/hr250 - 9992004Melbourne, Australia"Cyber Suraksa" is a premium cybersecurity company that provides security solutions against cybercrime and threats. Our objective is to reduce the susceptibility of digital enterprises and enhance overall security administration. Cybersuraksa is a VAPT service provider to startups, Small - medium-sized enterprises across the globe. Our VAPT solutions work to eliminate data privacy risks to ... read Cyber Suraksa reviews & insights
NA2 - 92022Ahmedabad, IndiaTESTiLABS is a Finnish company founded by Nokia veterans. Our state of the art laboratories are located in Finland and are mainly built by Nokia Mobile Phones. TESTiLABS provides test and certification services for multiple industries including wireless, healthcare, telecommunications and automotive. TESTiLABS provides both product development testing and certification services and are able to ... read TESTiLABS Oy reviews & insights
$50 - $99/hr10 - 492016Oulu, FinlandInvesics, with the proven history of providing overall outlook to your concerns of Digital Safety are available for hire in a wide range of disciplines of Securing, developing and supporting your Cyber space. Invesics is established with a view of creating a dent in the Cyber World by implying thought process and welcoming all the ... read Invesics Cyber and Forensics LLP reviews & insights
< $25/hr10 - 49Ahmedabad, IndiaApprise Cyber is the top renowned Cyber Security, Penetration Testing Services and Training Provider Company in Pakistan with experts of cyber security and data management. Our clients from different regions of Pakistan considered Apprise Cyber as the top security agency to proactively research and stay ahead of future threats and barriers. Apprise Cyber as the ... read APPRISE CYBER PVT LTD reviews & insights
$50 - $99/hr010 - 49Karachi, PakistanOur mission is to ensure the best quality software. We audit, plan, and implement test processes. We carry out functional, non-functional tests and automate them.We create our own proprietary tools and solutions. We use Artificial Intelligence to keep your software stable and safe. We take on the most difficult testing challenges.
< $25/hr50 - 2492016Warsaw, PolandWe provide unique competencies and expertise in creating and supporting the most complex industry IT solutions and services. We carry out all types of testing of IT systems: load, functional, automated, complex, security and others, and also provide services for the development of: UX/UI design, web/mobile/desktop interfaces, 3D modeling and animation.
$25 - $49/hr050 - 249Tula, RussiaAdvancement in technology and interconnected business ecosystems has combined to increase the exposure to cyber attacks. We aim to digitally shield the cyberspace by offering various products and services. We are hovering to influence our proficiency and global footprint in the field of information security and cyber crime investigation. Cybersecurity is important because it protects ... read Reinfosec reviews & insights
$200 - $300/hr2 - 92020Bengaluru, IndiaAt Qualitrix, we combine AI, automation, and human intelligence to deliver high-quality software testing and digital assurance solutions. Our expertise spans manual, automated, and crowd testing, ensuring flawless performance, security, and user experience across web, mobile, and enterprise applications. With AI-powered testing frameworks, we optimize quality engineering, reduce defects, and accelerate time-to-market. Our predictive analytics ... read Qualitrix Technologies Pvt Ltd reviews & insights
NA50 - 2492015Bengaluru, IndiaConqudel is a Singapore based software testing company. At Conqudel, we understand the importance of delivering high-quality software testing services that meets the ever-changing demands of your customers. Our team of experienced professionals is well-versed in the latest testing methodologies and tools to ensure flawless performance and functionality of your software applications.
NA2 - 92022Singapore, SingaporeRedfox Security is a fast-growing cyber security consulting firm, spread across 4 countries. With over 9 years of global security consulting experience, we help businesses strengthen their security posture. Our mission is to help businesses grow securely with our top-line cyber security consulting services – and that’s exactly what we do. We leverage our insightful ... read Redfox Security reviews & insights
$150 - $199/hr2 - 92020Santa Clara, United StatesEndure Secure is an information & cyber security consultancy firm based in Sydney, Australia. We believe that all businesses, companies and organisations should be able to operate with the assurance that they are protected from cyber security threats. Our mission is to assist organisations of all sizes to defend their most valuable online assets by ... read Endure Secure reviews & insights
NA2 - 92021Sydney, AustraliaWe help Product IT companies to quickly release the product. Our team introduce the synergy of freelance experience and large enterprises by selecting the right team and taking into account the individual needs of each project.
$50 - $99/hr10 - 492017Bydgoszcz, Poland
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The Magical Quadrant
Hover any bubble for the firm's exact scores. Filter the view using the controls on the right.
The four quadrants explained
Each card shows the count of firms in that quadrant and the top 5 by composite score.
Strong execution but broader service mix. High-quality generalists - good fit if your project crosses multiple disciplines in one engagement.
Deeply specialised but with moderate market presence. Often the right pick when specialisation matters more than scale - boutique shops with deep technical chops.
Top 5 by composite score
1DataArt100 / 482Testlio100 / 423Forte Group100 / 404Oxagile100 / 375BIT Studios100 / 36Newer entrants and smaller boutiques. Higher risk but often the best price-performance - particularly for early-stage startups or non-mission-critical projects.
The 3 highest-scoring firms in the Industry Leaders quadrant. Each has both Core Competencies and 360-Performance ≥ 50. Click any card for the full profile.
How firms are placed on the matrix
Every position on this chart is the output of the Goodfirms ranking algorithm - a weighted composite of signals across two axes. The algorithm is recomputed regularly and is fully documented.
Sponsorship does not affect placement. PRO members receive visible badges and ad placements, but their algorithmic scores are calculated identically to free listings.
Read the full methodology













































