Top Regression Testing Companies
Functional regression testing is required when a code is modified according to the requirement. Regression testing services confirm that any recent changes in the software code do not affect its functionality. Rather than re-executing a series of tests, regression testing selects segments of the program to detect any bugs and accordingly fix the defects. Goodfirms has thus created a list of the best regression testing companies for you to improve the quality of your software further.
List of Best Functional Regression Testing Service Providers
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Founded in 2010, QA Mentor is an ISO-certified, top software testing company having experience of working with 450+ clients globally. The company has a powerful team of 350 QA professionals that has delivered 3000+ projects to date, making them a reliable choice for a wide range of software testing and consulting services.
< $25/hr250 - 9992010NYC, New YorkReliable QA
- Dwight Lee, Partner at Division Of/ -
Established 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, California -
HikeQA is one of the top USA-based independent software testing services companies. This QA agency provides exceptional testing services, including Functional testing, performance testing, App testing, and Web testing. They provide 24/7 customer support and claim a money-back guarantee to dissatisfied clients.
< $25/hr10 - 492020Noida, IndiaThey were the perfect testing Service partner for PixelPlex.
- Alex Dulub, Founder @ Web3 Antivirus | Blockchain Pioneer Since 2013 at PixelPlex -
BugRaptors stands out as a top software testing company, delivering best quality assurance that empowers businesses to launch with absolute confidence. We combine traditional methodologies with cutting-edge innovation, offering AI-enhanced engineering solutions that redefine industry standards for speed and accuracy. Our team of over 200 ISTQB-certified experts specializes in minimizing risks while maximizing product reliability ... read BugRaptors reviews & insights
< $25/hr250 - 9992016Mohali, IndiaWorking with Bug Raptors has been a pleasure.
- Tom Lori, QA Coordinator at Microids -
UTOR is a specialist software tester company well-known to set up, optimize, and scale the QA and software testing processes for seamless software solutions. Through a team of 70+ QA experts, the company has successfully tested and delivered over 140+ projects, including quality diagnostics, manual/automation testing, and mobile app/web testing.
$25 - $49/hr10 - 492016Tallinn, EstoniaVery friendly, skilled, capable and experienced QA team able to collaborate seamlessly.
- Dom Huxley, Managing Director at Huxley -
ImpactQA is a leading independent software testing services company based in New York, USA. The company is a global provider of full-cycle software testing and consulting services catering to various industries such as Healthcare, Telecom, Media, E-commerce, and banking worldwide. Their premier clients include Panasonic, Deloitte, and KFC.
$25 - $49/hr250 - 9992011Houston, TexasThe Impact QA team went above and beyond in delivering outstanding service and dedication.
- Venkat Manda, Head Of Quality Engineering at PowerSchool -
KiwiQA Services is an Australia based quality focused & knowledge-centric firm. KiwiQA Services, offers a wide range of testing solutions and services across industry domains, with a primary focus on risk management and implementable solutions. KiwiQA is dedicated to “Quality” to provide world-class testing services for several years. We have strong expertise in delivering cost-effective, ... read KiwiQA Services reviews & insights
< $25/hr50 - 2492009Sydney, AustraliaKiwi QA has significantly improved our quality assurance processes with their expertise and professionalism.
- Vishal Rajpurohit, Chief Technology Officer | Founder at Viitorcloud Technologies Pvt Ltd -
Testscenario, founded in 2014, is a one-stop shop for all of your QA needs and desires.We are a passionate Software testing firm that provides a wide range of customers with Quality Assurance Software testing services.Testscenario is a specialist QA and testing firm with more than 8 years of experience in the field
$25 - $49/hr10 - 492014Ahmedabad, IndiaSalesforce QA Automation
- Nihar Sharma, CEO at NSIQ INFOTECH PVT LTD -
DeviQA is one of the global leaders in the Quality Assurance and Testing market since 2010. We are the finalist of the Software Testing Award in the nomination "Best Test Automation Project – Functional.". Twelve judges choose a few finalists among hundreds of participants around the globe. Our offerings include QA process design and setup, ... read DeviQA reviews & insights
$25 - $49/hr50 - 2492010Warsaw, PolandExcellent automated testing Service
- Alex Mao, Castrol at EVHC Global Project Manager -
We deliver applications with no compromise on quality and time. Our developers work in a flexible work environment while ensuring professionalism is maintained at all times. We work together as one team to develop state of the art applications, following the best practices, thus achieving global recognition.
$25 - $49/hr10 - 492015Lahore, PakistanTheir expertise in AI and healthcare software delivered user-friendly platform for our organization
- CTO at Bstack -
KeenEthics is an ethical web and mobile development partner based in Eastern Europe and represented in the Netherlands and the United States. Since 2015, we have been solving business challenges with full-cycle development. More than 40 companies have turned their ideas into lucrative products with us. The successful web and mobile projects include PWA, MVP, ... read KeenEthics reviews & insights
$25 - $49/hr50 - 2492015Tallinn, EstoniaKeenEthics proved to be a reliable, skilled partner who delivered exactly what we expected.
- Catherine Ilaschuk, Marketing manager at Elit-Web -
Trudosys Tech LLP is a custom software development company based in Bengaluru, India. We help startups, SMEs, and enterprise teams build scalable web applications, mobile apps, and AI-driven automation solutions. Our expertise includes custom software development, AI and workflow automation, mobile app development (Android & iOS), cloud-native platforms, and dedicated remote development teams. We work ... read Trudosys reviews & insights
NA10 - 492023Bengaluru, IndiaAMAZING!
- Hooman Bolandi -
At Twelvedevs, we build scalable, high-impact digital solutions that power growth for startups and enterprises worldwide. With 13+ years of cross-industry experience — especially in logistics and SaaS — we help our partners turn ambitious ideas into robust, production-ready platforms. What sets us apart We work closely and collaboratively with our clients, striving to achieve ... read Twelvedevs reviews & insights
$25 - $49/hr50 - 2492012Warsaw, PolandProductive, transparent partnership with proactive experts delivering fast results.
- Andrei Antipov, COO at AIST Safety Consulting -
AcidSoft is a software development company specializing in building high-quality mobile applications and digital products for businesses. We develop solutions for iOS and Android (Flutter / native) with a strong focus on stability, scalability, and real business value. One of our core areas of expertise is GPS navigation and geolocation solutions. We have deep hands-on ... read AcidSoft reviews & insights
$25 - $49/hr10 - 492014Kharkiv, UkraineAcidSoft delivered a reliable, high performance GPS and map solution that scaled smoothly at scale.
- Sergey Lvov, CEO & CTO at Genius Software -
At CyberSkill, our passion is rooted in the belief that technology has the power to transform lives, businesses, and communities. We are driven by a relentless pursuit of excellence in software development, always pushing the boundaries of what’s possible. Our work is not just about coding; it’s about crafting solutions that empower people, drive innovation, ... read CyberSkill reviews & insights
$25 - $49/hr10 - 492020Ho Chi Minh City, VietnamThe service is good with strong technical team and smooth collaboration.
- Ha Ngo -
SHIFT ASIA is a leading software testing and quality assurance company based in Vietnam and was founded in 2016. With their team of QA experts and professional full-stack engineers, they specialize in offering a wide range of QA services, including ad-hoc testing, vulnerability testing, GUI testing, etc.
< $25/hr50 - 2492016New Jersey, New JerseyIt was a great success
- Anonymous -
Relevant: Your Trusted Software Development Partner For over a decade, Relevant Software has delivered top-tier software solutions to businesses of all sizes—from Fortune 500 enterprises to growth-stage companies. With a 9.8 Net Promoter Score and 200+ successful projects, we’ve become a trusted development partner worldwide. Our company eliminates outsourcing risks with a proven approach that ... read Relevant Software reviews & insights
$25 - $49/hr50 - 2492013Warsaw, PolandPlatform Development for Online Application
- Nazar Trokhymchuk -
QualityLogic is a US-based software testing service providing turnkey testing and quality assurance solutions like regression testing, onshore automation testing, website testing services, interoperability testing, and more since 1986. Their talented and experienced QA team has served premium clientele, including HP, Adobe, Lexicon, Vid and Verizon, and Game Knight
$25 - $49/hr50 - 2491986Boise, IdahoThorough and professional user acceptance testing services for software implementation
- Jennifer Dunn, Co-Leader at Woligo -
inVerita is a global custom software development, AI development, and data company with core expertise in building complex digital health software, medical IoT, pharmacy, supply chain, retail, and fintech. We offer expert solutions in AI, data analytics and business intelligence, cloud and embedded systems, IoT, and product design. Through years of work with dozens of ... read inVerita reviews & insights
$25 - $49/hr50 - 2492015New Jersey, New JerseyinVerita enhanced development speed and efficiency through seamless team integration and responsive collaboration.
- Kirk Eppenstein, Corporate Coordinator at Will To Escape -
Exoft is a software development company that provides solutions to various business needs. After our first meeting in 2013, our team of skilled IT experts has built more than a hundred software systems regardless of their types and complexity. Fortunately, our numerous success stories speak for themselves. Since we consider Microsoft technologies the perfect ones ... read Exoft reviews & insights
$25 - $49/hr50 - 2492013Lviv, UkraineI am very satisfied, and I would recommend them to everyone.
- Aleksandra Kharlym, Marketing Manager at at Admixer -
Embark on an extraordinary journey of innovation and success with Hiteshi, your trusted partner for custom web and mobile application development. Established in year 2006 with with over a decade of industry experience, we have become a go-to IT service provider, offering a wide range of solutions tailored to meet your unique business needs.Being in ... read Hiteshi reviews & insights
$25 - $49/hr50 - 2492006Indore, IndiaMy experience with Hiteshi’s AI services was great they delivered tailored solutions efficiently and
- Sophia Mishra, Senior Project Manager at Techno Solutions -
Software Testing and QA you can rely on For over 20 years, QATestLab has helped businesses worldwide launch reliable software. With 3000+ successful software testing projects, we offer expert QA services across e-commerce, gaming, healthcare, AI, fintech, business solutions, mobile apps, and more. Why QATestLab? Real Results, Fast. We tackle your QA ... read QATestLab reviews & insights
< $25/hr50 - 2492005Nicosia, CyprusQATestLab provided us with valuable assistance that benefited our software significantly.
- Vitalii Drach, Chief Executive Officer at RD2 Crypto Marketing & PR Agency -
We have strong expertise in delivering cost-effective, value-added testing services to our clients worldwide. PrimeQA has vast of experience in providing Testing services such as Testing Consultancy, Test Automation, Specialized Testing Services and Managed Testing Services.
$25 - $49/hr2 - 92020Ahmedabad, IndiaProvided seamless and top-notch QA services, significantly enhancing our platform's reliability.
- Ada Gupta, Head of Product at Cinevesture -
Savarian is a progressive, experienced team that offers flexible terms and affordable software testing services of any kind and purpose for clients worldwide.We are flexible in cooperation with clients and can set up teams based on your business needs and the types of testing you require: from regression to user acceptance. We have worked with clients ... read Savarian.tech reviews & insights
$25 - $49/hr10 - 492019Cracow, PolandSavarian.tech supported us with a dedicated testing team
- Founder at REYME -
Nest Software Private Ltd. is a cutting-edge IT solutions provider based in India, specializing in innovative technology services that address complex business challenges. With over a decade of experience, Nest Software has built a reputation for delivering customized, scalable, and high-performance digital solutions tailored to industry-specific needs. Core Services & Expertise Nest Software excels in ... read Nest Software Private Ltd. reviews & insights
$25 - $49/hr10 - 492002Amritsar, IndiaTheir testing made our FinTech app secure, reliable, and fully optimized for seamless transactions.
- James Anderson -
Testvox was founded with the goal of creating a venue that offers full software testing services. Since 2017, we've evolved from a tiny startup to a team of highly skilled engineers dedicated to achieving our objectives. We have successfully completed projects with national and international clients in India, the United Arab Emirates, and the United ... read Testvox reviews & insights
< $25/hr10 - 492017Dubai, UAEExcellent in terms of quality
- Manjunath M, Founder at Storylens.io -
At OKQA, we’re more than just a QA vendor — we’re your strategic business partner for on-demand software testing services and continuous quality assurance. We also offer specialized QA for SaaS companies, ensuring that your software scales smoothly while maintaining reliability and user-friendly experiences. Additionally, we conduct QA audits tailored for e-commerce to identify critical ... read OKQA reviews & insights
< $25/hr2 - 92020Chernihiv, UkraineVery professional QA testing with priortization and a well documented findings catalogue
- Ralf Krone, Ergonomics at Continental Tires -
SumatoSoft builds complex custom software to help companies apply the best IT innovations to meet their goals through business digitalization. 5 key points we follow and stand for: Focus first on the business value delivery; Make the software delivery process transparent and predictable; Use only relevant solutions, approaches, and technologies; Build reliable and trustworthy communication; ... read SumatoSoft reviews & insights
$50 - $99/hr50 - 2492012Boston, MassachusettsLong term partnership to build software platform
- Damian Gevertz, Owner at Widgety.co.uk -
QTeam Solutions is a custom software and AI solutions company serving clients in the USA and Europe. Since 2016, we have focused on delivering high-quality, scalable web platforms, AI-driven systems, and automation tools that help businesses grow. Every project is personal: we show up, stay curious, and deliver with passion. Sales will never be a ... read QTeam Software Solutions reviews & insights
$50 - $99/hr10 - 492016Bucharest, RomaniaReliable and experienced partners
- Alexandru Gheorghe, Marketing Manager at Luxoft Training Europe -
Founded by a real QA tester BespokeQA has dealt with testing, structuring, creating solutions for more than twenty-five clients across ten industries for last more than one year. Our mission is to help clients make distinctive, lasting and substantial improvements in their business and to continue building a great company that attracts, develops, excites and ... read BespokeQA reviews & insights
< $25/hr2 - 92019Mohali, IndiaAmazing company
- Vansh Tangri, Medical Director at Whanau Ora Clinics -
We are a nearshore boutique Quality Assurance firm that focuses on helping your products reach your customers with maximum quality.Unlike other outsourcing companies, our testers integrate very tightly with your team, helping your developers reach their goals. Our rates are lower than hiring in the United States, or Canada, but you can rest assured that our ... read Outpost QA reviews & insights
$25 - $49/hr10 - 492020Mazatlan, MexicoTop notch Quality Assurance engineering team delivering tangible value at a very reasonable cost
- Tyler Newman, Director Of Quality Assurance at at Owlet Baby Care -
Binmile offers unmatched QA and software testing services that help businesses bank on their product quality. Their testing services include automation testing, functional testing, performance testing, security testing, usability testing, compatibility testing, and localization testing. Plus, they test web, mobile, and desktop apps.
$25 - $49/hr250 - 9992017Claymont, DelawareExcellent Service and Support on Website Maintenance
- Siddhesh Desai -
Scalable Teams. Atlassian Apps Expertise. Proven Quality. TECUNIQUE is a trusted software services partner with over 15 years of experience in delivering reliable software engineering solutions. Based in India, we specialize in helping Independent Software Vendors (ISVs), accelerate product development, ensure quality, and scale with confidence. Our strength lies in the Dedicated Team Model, where engineers work exclusively ... read TECUNIQUE PRIVATE LIMITED reviews & insights
$25 - $49/hr10 - 492010Vadodara, IndiaA true partner
- Guillaume Brejaud, COO at oppScience -
As a global leader in software crowdtesting, we enable fast moving software development teams with a platform for on-demand QA testing throughout the entire development cycle. Test setup takes just minutes, and we dynamically allocate human testers in real-world conditions to fit your specific testing needs. No more QA bottlenecks at the end of your ... read test IO reviews & insights
$50 - $99/hr10 - 492011San Francisco, CaliforniaExcellent team. Value for money!
- Nick woods -
Hawking Bros is a leading Russian outsource web-development company. Our company was founded in 2014 in Vladimir city. Over 5 years of work, we have assembled a strong team of specialists and gained experience in developing projects for various industries. Our portfolio includes joint work with leading global advertising agencies and leading Russian companies.
$25 - $49/hr50 - 2492014Vladimir, RussiaSeveral projects in collaboration
- Galina Nuriakhmetova -
Founded in 1997, DataArt is a global software engineering firm that has continually evolved to become the trusted technology partner of market leaders. Led by our people-first principle, our world-class team designs and engineers data-driven, cloud-native solutions to create immediate and enduring business value. Through our 20+ domain-specific Labs dedicated to R&D and strategic innovation, ... read DataArt reviews & insights
$50 - $99/hr1,000 - 9,9991997NYC, New YorkDataArt has been a crucial partner, providing high-quality talent
- Ilya Dubinsky, VP of CTO Office at Credorax -
Testlio is the leader in managed app testing. With robust client services, a global network of expert testers, and a comprehensive software platform, we provide a suite of burstable, flexible, and on-demand testing solutions: end-to-end, usability, localization, functional, payments, and more. When apps must perform brilliantly, Testlio helps ensure world-class customer experiences. In any location. On ... read Testlio reviews & insights
$25 - $49/hr50 - 2492012Austin, TexasThey have cost effective means of testing
- Anonymous -
XBOSoft, founded in 2006, is a premier provider of software testing and quality assurance (QA) services, consistently delivering exceptional results for small to mid-size businesses. We offer a comprehensive range of QA consulting and software testing services, specializing in financial, healthcare, and e-commerce applications. Our experienced team, with an average tenure of 8 years, brings ... read XBOSoft reviews & insights
NA50 - 249Reston, VirginiaXbosoft's software testing services are exceptional!
- Jessica Bernstein, CEO and Founder of Universally Found at Universally Found -
✅ Top Rated agency ✅ 6 years on the market ✅ Award-winning agency ✅ 50+ successfully delivered software solutions ✅ 93% of our clients recommend us 🧑💻 WHO WE ARE We are a team of developers, designers, and product experts who build innovative healthcare and wellness products that transform people's lives. Our team is represented ... read Bladeware reviews & insights
$25 - $49/hr10 - 492018London, United KingdomBladeware did a fantastic job bringing our project from an idea into a fully functional product
- Artem Ivanov, CEO at CrewRed -
Award-winning American software testing company with a mission to do good. From donating 10% of profits to charity to being the first carbon neutral QA company, Mindful QA is proud to fuel progress while improving usability for millions of users. Mindful QA has been featured on over a dozen "best software testing company" lists, and ... read Mindful QA reviews & insights
$50 - $99/hr50 - 2492018Los Angeles, CaliforniaSkilled, Experienced, and Easy to Work With!
- Jeff Broussard, CTO at at Wonderwall Consulting -
Merged Minds is a software testing service provider, focusing on supporting projects quality assurance using manual and automated test tools.Our experience goes way back to 2006 with the Merged Minds brand founded in 2017.We can support any software projects using our knowledge covering Functional (ad-hoc, browser compatibility, GUI, integration, system, sanity, smoke, interface, regression, happy ... read Merged Minds reviews & insights
< $25/hr2 - 92017Walton on Thames, United KingdomExcellent team work
- Clarence Jacobson, Test Manager - Contractor at Freelancer -
Qualysec is a global cybersecurity and penetration testing company specializing in vulnerability assessment and penetration testing (VAPT), red teaming, cloud security testing, mobile application security testing, API security testing, blockchain security testing, and compliance-driven security audits. Founded with a mission to strengthen organizational security posture, Qualysec helps fintech companies, banks, healthcare organizations, SaaS providers, enterprises, ... read Qualysec Technologies Pvt. Ltd. reviews & insights
< $25/hr50 - 2492020Bhubaneswar, IndiaQualysec Technologies is a leading iOS penetration testing provider.
- Olivia Stone, Qualysec at Qualysec -
TestDel has developed its services for companies wishing to outsource all or a portion of their software quality activities so they may gain testing efficiencies and reduce administrative burdens associated with in-house QA teams. An established and trusted brand with a global presence and network. TestDel delivers Onshore Testing Services, providing our clients with bespoke ... read Testdel UK LTd. reviews & insights
NA50 - 2492016London, United KingdomHealth Care Industry
- Lisa Barnett -
-DOIT Software is your technology satellite for sustainable growth. We offer: 1. Development of Mobile Apps & Custom Software Development from scratch. DOIT Software can help you to evolve an idea and create a solution from the concept. 2. IT Staff Augmentation and Recruitment of the best professionals in the industry. DOIT Software helps to extend teams and to create full-cycle Dedicated Development ... read DOIT Software reviews & insights
$25 - $49/hr10 - 492014Kyiv, UkraineGreat business partner
- Gil Dror, CTO at at Human Care Systems, Inc. -
Introducing Tesvan LLC: Your Go-To Partner for Innovative Testing and Development Solutions! 🚀 Experience: Over 4 years of excellence in outsourcing services. Specializing in premium software testing and development solutions tailored for global clients. 👩💻 Our Team: Passionate engineers dedicated to testing high-load, modern web apps. Skilled developers crafting cutting-edge solutions alongside our testing expertise. ... read Tesvan reviews & insights
$25 - $49/hr10 - 492019Sevan, ArmeniaExcellent team and always available !
- Nina Antonyan -
Rocketlab is a Swiss-based company that provide experienced software test engineers to small to medium sized businesses within Switzerland, Germany and Europe.Headquartered in Tallinn (Estonia) - known as the most advanced technology spot in Europe, and Zurich (Switzerland) around 100 outstanding and experienced test experts, developers and engineers solve companies needs in the broad field ... read Rocketlab reviews & insights
$50 - $99/hr50 - 2491994Zurich, SwitzerlandExcellent QA partner for various projects
- Peter Hans Baumann -
StairwaySoft is a global engineering provider of innovative software development services with a team of expert engineers. We service various businesses internationally to create solutions and help companies achieve their technology goals. We build software solutions through an ever-expanding UNIQUE HYBRID of Eastern European, Middle East and Central Asia Engineering matched with Israeli Innovation
$25 - $49/hr10 - 492012Kington, United KingdomVery good
- Daniel David, VP R&D at Boards.com -
Our services include Salesforce Custom Development, Salesforce Configuration, and building apps for the Salesforce AppExchange. At Modelit, we take care of all the aspects to implement a new system, configure a current set up, or build an application. Our team of Salesforce Certified Developers, Administrators, QA Analysts, and Software Architects know what it takes to ... read Modelit reviews & insights
$25 - $49/hr10 - 492012Montevideo, UruguayExperts + Efficient + Reliable = Model IT
- Cecilia Mescall
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