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 at Eminence Square (The testing hub) have great track record in handling outsourced testing assignments. We have an independent team of testers who have relevant expertise and experience in testing and can exercise the product 360 degree to ensure it not only meets functional requirements but also the non-functional requirements too. Our test engineering ... read Eminence Square reviews & insights
< $25/hr10 - 492014Indore, IndiaSecuring Networks Protecting Data As a global leader and the Middle East's number one Cybersecurity Service & Solutions Provider, we secure small & medium businesses, together with large enterprises, and government institutions.' Who We Are IT SEC is a leading Information Security, Application Security, Network & Data Security Assessment and Consultancy firm committed to providing ... read IT SEC reviews & insights
NA10 - 492011At ShellExa, we turn challenges into opportunities and create endless horizons for our clients, with reliable and innovative solutions. Founded in 2022. We are a leading QA Service Provider dedicated to ensuring the quality, reliability, and performance of software and applications for businesses worldwide. With a team of highly skilled and experienced QA professionals, we ... read ShellExa reviews & insights
< $25/hr10 - 49Faridabad, IndiaInvesics, 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 Security and Forensics reviews & insights
NA10 - 492017Sage Infrastructure Solutions Group Inc. (Sage ISG) is a premier cybersecurity consulting firm headquartered in Calgary, Alberta. Founded in 2013, we specialize exclusively in cybersecurity, providing industry-leading expertise, innovative solutions, and trusted guidance to organizations across Canada and beyond. Our services encompass comprehensive cybersecurity offerings, including Penetration Testing, Managed Detection and Response (MDR), Managed SIEM ... read Sage Infrastructure Solutions Group Inc. reviews & insights
$150 - $199/hr10 - 492013Calgary, CanadaUsing AI Tools
ChatGPT
GitHub Copilot
BurpSuite
OWASP
TrustLayerLabs is a cybersecurity company specializing in Vulnerability Assessment and Penetration Testing (VAPT), Web Application Security Testing, API Security Testing, and Cloud Security Assessment. We help startups, SaaS companies, and growing businesses identify security vulnerabilities before attackers exploit them. Our security testing approach focuses on identifying authentication flaws, broken access controls, misconfigurations, injection risks, API ... read TrustLayerLabs reviews & insights
$25 - $49/hr10 - 492026Vijayawada, IndiaWhy TrustLayerLabs?
- Expert VAPT for web, API & cloud security
- OWASP-based testing with clear reports
- Affordable security for startups & SaaS
Qapitol QA Testing Services is a new age quality engineering company that specialises in digital transformation testing encompassing all customer touch points that include Mobile Apps, POS Applications, Web Portals, Marketing Applications, Customer Support Applications, Payments, Supply Chain Ecosystem and Big Data / Data Pipelines. We build test automation solutions across Web, Mobile Apps, APIs ... read Qapitol QA reviews & insights
< $25/hr50 - 2492015Madrid, SpainUsing AI Tools
GitHub Copilot
Briskinfosec provides world-class offensive security services and compliance solutions designed for the modern threat landscape. As a CREST-certified and CERT-In empaneled cybersecurity firm, we serve as a trusted partner for global enterprises, bridging the gap between complex technical vulnerabilities and executive-level risk management.Core Specializations:Advanced VAPT: Specialist assessments focusing on manual exploitation and deep business logic ... read Briskinfosec Technology and Consulting Pvt Ltd reviews & insights
< $25/hr50 - 2492012Chennai, IndiaWhy Briskinfosec Technology and Consulting Pvt Ltd?
- CREST Certified and CERT-In empaneled Company
- Certified Expertise OSCP, OSDA, OSWE, CISSP, CISA
- Continuous Support
QualiTlabs is one of the growing pure play software testing services companies, focused solely on software testing and Quality Assurance (SQA) for new age digital enterprises. With multi-domain focus, QualiTlabs offers a comprehensive range of value-added outsourced QA solutions to clients across the globe. We leverage our deep technology, business, industry-specific understanding and experience in ... read QualiTLabs reviews & insights
$50 - $99/hr50 - 2492013Hyderabad, IndiaAt TrackDfect Technologies Pvt Ltd, we are a tribe of Committed, Agile and dynamic professionals with strong expertise and experience in delivering Testing/QA services. Our business objective is to help our customers to achieve measurable business results and make them to become Delightful customers from Satisfied customers. We have a strong Testing/QA expertise to test ... read TrackDfect reviews & insights
< $25/hr10 - 492016Chennai, IndiaUsing AI Tools
Claude
DarkPoint Security provides penetration testing, red teaming, and security assessments across web/API/mobile apps, networks, cloud, and IoT. Used to find exploitable vulnerabilities, satisfy compliance (PCI DSS, SOC 2, ISO 27001, OSFI), and validate defenses against real-world attackers.
NA2 - 92022Toronto, CanadaWhy DarkPoint Security?
- We find what automated scanners miss
- OSCP, CEH & CISSP-certified testers
- Free retesting to confirm fixes work
Welcome to Global Cyber Security. we highlight our expertise in cybersecurity, API testing, and penetration testing services, ensuring businesses thrive with tailored solutions. At Global Cyber Security, we specialize in Web Application Penetration Testing, Security Audits, API Testing, and other tailored cybersecurity services to safeguard your digital assets. Our expert team identifies vulnerabilities and implements ... read Global Cyber Security reviews & insights
NA02 - 9Bhiwadi, IndiaTamkeen Security is a Saudi Arabian based professional cyber security consultancy firm providing premium solutions to local and international clients.
NA2 - 92021Al Khobar, Saudi ArabiaSharkStriker is a global cybersecurity vendor with a presence in around 30+ countries. They were founded with the sole purpose of empowering MSPS solving industry cybersecurity challenges such as: Their cybersecurity services are tailored to solve multi-faceted cybersecurity bottlenecks across industries. These challenges include Lack of compliance. Low cybersecurity posture, Lack of skilled personnel in ... read SharkStriker reviews & insights
NA10 - 492019Walnut Creek, United StatesEstablished in 1997, Qualitest Group is among the prominent software testing service providers popular for delivering innovative and scalable testing solutions. The company has a skilled workforce that can combine time tested delivery models with technology and business-driven quality engineering to deliver exceptional results with enhanced quality and efficiency.
NA1,000 - 9,9991997Santa Clara, United StatesA leader in software testing services and quality assurance, 360logica offers high-end software testing programs and test solutions to independent software vendors (ISVs), software product companies, and SMEs. Independent testing services for all verticals, including retail, BFSI, e-commerce, e-learning, gaming, healthcare, mobile, telecom, IT, social media, finance, Web 2.0, manufacturing and engineering and many more.
NA250 - 9992009Noida, IndiaQASource is a leading QA outsourcing & quality assurance company that delivers high-quality services using a hybrid onsite-offshore model that help organizations to enjoy the benefits of a full QA department without the associated setup cost and hassle. To learn more, log on to https://www.qasource.com/ or email at [email protected]
$25 - $49/hr250 - 9992002Pleasanton, United StatesWe’re on a mission to ensure bug-free user experience for everyone in the world. Our focus is on providing flexible QA and QC solutions for game publishers and developers. From hyper-casual to complex AAA projects. We are building a future where things are working as intended. SnoopGame has been existing for 5 years now. We ... read SnoopGame QA reviews & insights
< $25/hr10 - 492013Tallinn, EstoniaAbout Testers HUB Founded in August 2012, Testers HUB is a premier Software Testing Consulting and Services firm, committed to helping clients worldwide optimize their test investments and effectively manage critical testing processes. By focusing on reducing the total cost of producing quality software, we have established a strong reputation as a leader in the ... read Testers HUB reviews & insights
< $25/hr10 - 492012Pune, IndiaSince 2005, Keytorc Software Testing Services has been assisting its customers to manage their critical software testing processes to reduce the total cost of producing high quality systems. Keytorc uses a risk-based prioritization approach to get to the right answers and overcome the top reasons for failure. The Company has the best references from the ... read Keytorc Software Testing Services reviews & insights
$50 - $99/hr50 - 2492005Istanbul, TurkeyWe are a specialized technology and services company, where we work to contribute to the achievement of our clients' business objectives, guaranteeing the performance of their critical processes, and ensuring their business processes and the quality of their technological solutions.With our work we contribute to minimize risks of both tangible losses (money, customers) and the ... read GreenSQA S.A reviews & insights
$50 - $99/hr50 - 2492002Cabrera, ColombiaEstablished in 2016, Lotus Quality Assurance (LQA) is the first independent quality assurance service provider in Vietnam. Currently, we have subsidiaries in Japan & the United States to completely fulfill clients' demands for quality assurance of diverse domains, including healthcare, fintech, gaming, education, construction, eCommerce, automotive, and more. Our services of strength include: - Mobile ... read Lotus Quality Assurance reviews & insights
< $25/hr50 - 2492016Hanoi, VietnamAMQA Experts is a software testing company. Our expertise is multifaceted as we have experience in various testing services. We are enhancing the Quality of Software products and delighting our Clients globally for the last 10 years. We make our Client's Software “a World-Class Product” using our well-organized QA processes, methodologies, best Industry Standard practices ... read AMQA Experts reviews & insights
< $25/hr10 - 492010Indore, IndiaJMR Infotech is a platinum oracle implemenation partner since 2007 , serving more than 170 customers across Africa and Middle-East JMR has stepped in to itsnew offering of Testing as a service in its new business unit. As a testing organization we deliver software testing solutions for all types of domains large or small enterprizes.The ... read JMR Infotech reviews & insights
$150 - $199/hr50 - 2492007Bengaluru, IndiaTestPRO provides Software Testing Services: - Testing as a managed services - Agile Coaching Program - Outsourcing Services - ISTQB Courses. - Software Testing Training TestPRO offers Function, Performance, Security, and Automation Testing services as well. 1️⃣First Software Testing Company in Egypt. 2️⃣More than 45 K+Testing Hours. 3️⃣200 + Testing Projects 4️⃣ISTQB Certified Staff 5️⃣ISTQB ... read TestPRO reviews & insights
NA10 - 492011Nasr City, EgyptQAble is a Quality Engineering Company specializing in QA outsourcing and end-to-end software testing services. We help startups, SaaS businesses, and enterprises build reliable, secure, and high-performing digital products by embedding quality throughout the software development lifecycle. Our team provides comprehensive quality assurance services tailored to modern development environments, helping organizations improve release confidence, accelerate ... read QAble Testlab Private Limited reviews & insights
< $25/hr50 - 2492018Ahmedabad, IndiaEstablished in 2002 in New Boston, MA - Quality Matrix has earned a reputation in a dynamic global marketplace, by partnering with their clients in achieving technology roadmaps and business transformations. Quality Matrix is committed to providing highly technical talented QA resources to clients at competitive rates (25% less) in the current marketplace. Our motive ... read Quality Matrix Inc reviews & insights
NA250 - 9992002Westborough, United StatesSpec QA is a premier software Testing and Quality Assurance Company.We believe that quality can set the benchmark for successful business and help derive significant benefits. We have helped many global clients to deliver seamless, personalized user experience through best-in-class quality assurance model with a unique approach to visualize quality as a transformational approach.
NA250 - 9991987Ahmedabad, India"STAD Solution is an Ahmedabad based IT Training and Development company. We provide Best Software Training Training in Ahmedabad. We provide the Manual Testing Training and Automation Testing Training in Ahmedabad. We are the best software testing training institute in Ahmedabad which offers the best software testing course in Ahmedabad. If you are an IT ... read STAD Solution reviews & insights
NA10 - 495Ahmedabad, IndiaOur company is specialised in helping start-ups introduce testing(automated testing) into their workflow. We are well accommodated with dynamic environments where everything is urgent … bugs are in abundance, exhaustion is at high peaks. This is where we come in, we take off the stress from development by create automated tests in pipelines. We create ... read Ask Your Qa reviews & insights
$25 - $49/hr2 - 92020Cluj-Napoca, RomaniaIn today’s fast-moving cybernetic world, our industries face grave threats in the digital space, with malicious groups ready to lay into pivotal data, leaving the afflicted users open to personal and financial risk, and the firm with a deluge of negative publicity. We, at Walnut Security Services, are passionate about making the Internet a safe ... read Walnut Security Services reviews & insights
$25 - $49/hr2 - 9Ahmedabad, IndiaAt TestPapas, we provide quality assurance and software testing solutions for online businesses. With years of experience in manual and automated testing of payment platforms, online casinos, financial services, and more, our team has developed deep domain expertise across these industries. Our services include Test Automation, Performance Testing, Payment Testing, Security Testing, User Experience testing, ... read TestPapas reviews & insights
$25 - $49/hr10 - 492013Tallinn, EstoniaAt GQAT Tech, we specialize in offering innovative Quality Assurance (QA) and Business Analysis (BA) services that drive business efficiency and digital transformation. Combining state-of-the-art automation tools, data-driven insights, and industry expertise, we deliver solutions that ensure software reliability and align business processes with organizational goals. Whether it's optimizing software performance through AI-driven testing or ... read GQAT TECH reviews & insights
$25 - $49/hr50 - 2492020Atlanta, United StatesUsing AI Tools
ChatGPT
Claude
Cursor
Co-Ventech is an organization which aims to provide the Test Automation, Security, Performance and Quality Assurance services for the Tech companies and Startups.
$25 - $49/hr10 - 492019Sheridan, United StatesWhy coventech?
- Fast, scalable engineering delivery QA automation
- QA automation & AI-driven workflows
- Senior talent with global experience
Vihat Technologies, based in Ahmedabad, is India’s leading software testing company. It’s a rapidly growing pure-play offshore software testing services company in India aiming to help its clients get their software applications validated efficiently and effectively through its full range of services for software testing.
NA2 - 92020Ahmedabad, IndiaMammoth-AI enables businesses to launch and support digital assets at scale by delivering repeatable actions through engineered automation.Get access to a dedicated team of 100+ engineers, knowledgeable professionals with domain expertise, and a state-of-the-art testing lab.Your product represents your business on a global stage. Mammoth-AI helps your organization with comprehensive QA Services as well as ... read Mammoth-AI reviews & insights
< $25/hr50 - 2492017Princeton, United StatesAt QActions, we offer specialized consulting in software quality assurance and quality control (QA/QC) , robotic process automation (RPA + AI ), and the implementation of advanced, AI-powered boutique testing solutions. We are strategic partners in digital transformation, helping companies optimize their critical systems with leading Tricentis technologies such as Tosca, Testim, and qTest, as ... read QActions reviews & insights
$50 - $99/hr50 - 2492010Buenos Aires, ArgentinaQAonCloud offers fully managed and jointly managed testing services for your web, mobile, and desktop apps. QAonCloud’s team specializes in providing manual and automated testing solutions to customers across the globe. Our prime objective is to deliver high-quality testing solutions to our clients by adopting advanced testing methodologies and tools at optimal costs.
< $25/hr10 - 492015Chennai, IndiaTesting Minds consultancy services provide cost-effective QA & testing services for your business IT projects. Our company can provide a wide variety of testing services that include manual testing, automation testing and next-generation software testing.
$25 - $49/hr10 - 492018Essex, United KingdomHera Group, a prominent cybersecurity company with its roots in South Africa. With an established presence in multiple African nations, including Botswana, Namibia, Kenya, Malawi, Ghana, Mozambique, Nigeria, and Tanzania, Hera Group is dedicated to bolstering cybersecurity across the African landscape. Founded in South Africa, Hera Group has emerged as a trusted partner in the ... read Hera Group reviews & insights
NA50 - 2492020Cape Town, South AfricaFor over ten years, Testrig Technologies has been driving software excellence by helping businesses deliver flawless web and mobile applications. We go beyond traditional testing by blending deep domain expertise with modern QA practices, ensuring every release is fast, secure, and built to scale. Our global reach—spanning the U.S., UK, Canada, and Singapore—allows us to ... read Testrig Technologies reviews & insights
< $25/hr10 - 492015Pune, IndiaParasoft provides innovative tools that automate time-consuming testing tasks and provide management with intelligent analytics necessary to focus on what matters. Parasoft’s technologies reduce the time, effort, and cost of delivering secure, reliable, and compliant software, by integrating static and runtime analysis; unit, functional, and API testing; and service virtualization. Parasoft supports software organizations as ... read Parasoft reviews & insights
$50 - $99/hr50 - 2491987Monrovia, United StatesHumancrest Co.,Ltd offers high quality and cost-effective testing service built on 18 years of knowledge accumulated by the Japanese QA testing company. We set up test centers in Yokohama, Japan and Da Nang, Vietnam. With outstanding test automation solution and software quality management solution, we made transaction performance with more than 500 companies, and a ... read Human Crest Co.,Ltd reviews & insights
NA50 - 2492002Yokohama, JapanShanghai BWF Software Technology Corp.(NEEQ Code:836392) is founded in 2004 with its headquarters in Shanghai, China. We are a software testing services provider (certified by ISO9001: 2008, ISO27001, ISO20000, CNAS, CMMI Level 5) dedicated to offering integrated solutions for our clients around the world. To fully meet the different requirements of clients from diverse industries, ... read 51Testing reviews & insights
NA1,000 - 9,9992004Shanghai, ChinaKeytorc provides management and technology consultancy services that ensures the high quality of software products. In addition to delivering internationally accredited trainings, Keytorc contributes greatly to the software testing industry with conferences, books and sectoral reports it publishes. Keytorc has been the finalists of the European Software Testing Awards, the most prestigious software test awards ... read Keytorc Software Testing reviews & insights
$25 - $49/hr050 - 249Istanbul, TurkeyDevQAExpert Solution Pvt. Ltd. is a registered trademark company for Software Quality Assurance and Testing since 2015. We are focused on delivering our services for QA Outsourcing, QA Consultant, QA Services, QA Audit, and QA Staffing. We pay close attention to the privacy and security of customer data storage and all intellectual property. DevQAExpert Solution ... read DevQAExpert Solution Pvt. Ltd. reviews & insights
< $25/hr10 - 492020Indore, India🚀 QAonTOP is an independent software testing company that believes in providing top-notch services across the globe to fulfill desired product quality. With our cutting-edge testing methodologies and a team of experienced professionals, we empower businesses to deliver flawless software applications, products, and services to our customers. 🚀 We understand the critical role that software ... read QAonTOP Software Solutions Private Limited reviews & insights
< $25/hr10 - 492022Ahmedabad, IndiaABOUT JDAQA JDAQA is a highly scalable on-demand team of 60+ quality assurance leads and engineers including industry-proven QA leads, manual and automated QA engineers, API testing specialists, documentation specialists, and security testing experts. WHAT WE DO We can provide a complete full-stack QA team or embed ourselves into your existing team, processes, and development ... read JDAQA, LLC reviews & insights
$25 - $49/hr50 - 2492013Philadelphia, United States
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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.
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