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List of Best System Testing Service Providers

  • QA Mentor

    CMMI appraised, ISO certified Testing Company
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    QA Mentor is multi-awards winning a CMMI level 3 and ISO-certified leading software testing company founded in 2010 with headquarters in New York, USA. The company excels in delivering superior Software Quality Assurance (QA) with their 30+ QA testing services that are availed by clients like Bosch, Morgan Stanley, Ama ... read more about QA Mentor

    "Very professional and solid"
    Lindsey Allard, Co-Founder at PlaybookUX
    < $25/hr
    250 - 999
    2010
    United States, India
  • Impact QA services LLC

    Software Testing and Quality Assurance Company
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    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 Panasoni ... read more about Impact QA services LLC

    "Quality Assurance services: Recommended for the price but need good communication channels"
    Alister Cedeno, QA Manager at Teamflow
    $25 - $49/hr
    250 - 999
    2011
    United States, United Kingdom
  • SHIFT ASIA

    Quality and Security Assurance Company in HCMC
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    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.

    "Development & Testing for WordPress feature about task and Q&A management"
    YUSHI KODAMA, General Manager at Jienie Lab ASIA. Co., Ltd
    < $25/hr
    50 - 249
    2016
    Vietnam, Singapore
  • 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.   ... read more about hikeQA

    "Very nice experience and quality of services is very good"
    Sonal Tripathi, manager at HikeQA
    < $25/hr
    10 - 49
    2020
    India, United States
  • Packetlabs

    Penetration Testing Beyond the Checkbox
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    Packetlabs is a Canadian expert-level penetration testing services company. The company is a member of the Entrepreneur Organization, GIAC, and Retail Council of Canada. Their services include infrastructure penetration testing, Cloud penetration testing, application security testing, cybersecurity assessment, etc.

    "Packetlabs always exceeded my expectations for the services they’ve delivered"
    Anonymous, VP Integrated Technology Services at
    $200 - $300/hr
    10 - 49
    2011
    Canada, United States
  • Testlio

    Amazing customer experiences start here
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    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 perfo ... read more about Testlio

    "They have cost effective means of testing "
    Anonymous
    $25 - $49/hr
    50 - 249
    2012
    United States, Germany
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  • Get more from outsourced QA services – keep your software testing under control UTOR is an easily managed Software Testing company that helps growing product and development agile teams to implement their business ideas. We extend your in-house QA capabilities, automate where possible, bring in the rig ... read more about UTOR - QA services and Software Testing company

    "Delivered above and beyond my expectations, I look forward to our next engagement"
    Michael Kelly, CEO & Founder at Regenerative by Community
    $25 - $49/hr
    10 - 49
    2016
    Estonia
  • QAlified

    Building Quality | QA and Software Testing Company
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    QAlified is a software testing and quality assurance company specialized in solving quality problems by reducing risks, maximizing efficiency and strengthening organizations.An independent partner to evaluate software quality with experience in different technologies for any type of software.

    "A Comprehensive Review of QAlified's Software Testing Partnership with Sprout"
    Jeremy Huffman, Director of Technology at Sprout
    $25 - $49/hr
    10 - 49
    1992
    Uruguay
  • KiwiQA Services

    One Click Away from finding experience QA agency
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    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 tes ... read more about KiwiQA Services

    "Excellent QA Service"
    Scott Hunley, Devops Manager at Long Tail Technology
    < $25/hr
    50 - 249
    2009
    Australia
  • 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

    "Salesforce QA Automation"
    Nihar Sharma, CEO at NSIQ INFOTECH PVT LTD
    $25 - $49/hr
    10 - 49
    2014
    India
  • Zamratech

    Your Gateway to Tech Excellence
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    We offers a comprehensive suite of digital services. From web design and development to mobile app development, software development, and cross-platform app development, we cover all your needs. Our expertise extends to game development. We also provide managed cloud hosting, software, and mobile app maintenance, white ... read more about Zamratech

    "Zamratech met our expectations and also adopted our means of communication"
    Neil Marra, Founder. Director. at Creative Spark
    $25 - $49/hr
    50 - 249
    2015
    United States
  • DeviQA

    Our Quality - Your Efficiency
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    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 offer ... read more about DeviQA

    "DeviQA > Experience working with QA out-stuff "
    Yana Kushnareva, Scrum Master at Grover
    $25 - $49/hr
    50 - 249
    2010
    Poland
  • SPEC INDIA

    Enterprise Software, Mobility & BI Solutions
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    SPEC INDIA is an ISO/IEC 27001:2013 company specializing in custom software development, web & mobile app development, BI and analytics solutions, automation & security testing, legacy software migration, product engineering, and IoT solutions. SPEC INDIA has a team of 300+ consultants committed to delivering q ... read more about SPEC INDIA

    "From the product roadmap to the development of the application's core, SPEC INDIA helped us create a market-ready product."
    Karam Sethi, CEO & Co-Founder at Terra Digital
    < $25/hr
    250 - 999
    1987
    India
  • QATestLab

    Manual and Automated testing
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    QATestLab is an international QA and testing provider with headquarters in Cyprus and R&D centers in France, Poland, Cyprus, and Ukraine. We have 18+ years of experience delivering high-quality testing services for our partners working in such business domains as Software Development, Gaming, Business Solutions, E- ... read more about QATestLab

    "QATestLab team was good at communication and highly professional."
    Viacheslav Chernenko, Director of Business Development at Pragmatic DLT at Pragmatic DLT
    < $25/hr
    50 - 249
    2005
    Ukraine
  • Newwave Solutions Jsc

    Top 10 Software & Blockchain Company in Vietnam
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    Newwave Solutions ranked among the top 10 software companies in Vietnam and is recognized globally as one of the top 100 sustained software companies. With 12 years of experience and a dedicated team of over 300 members, we're committed to excellence. WHAT WE'VE ACHIEVED: 🏆 Vietnam's Top 10 ICT Com ... read more about Newwave Solutions Jsc

    "Mobile App Development"
    Evelyn Martinez, Sales Manager at Driscoll's at Driscoll's
    NA
    250 - 999
    2011
    Vietnam
  • BugRaptors

    Leaders in Software Testing & QA Services
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    BugRaptors – Improve Your Chances of Success with QA Solutions   Discover excellence in QA software testing services with BugRaptors, a renowned industry leader since 2016. Armed with ISO 9001:2018 and ISO 27001 certifications, our innovative approach to quality engineering solutions propels digital ... read more about BugRaptors

    "Greate team providing excellent QA/Testing services and development assistance along with potential improvements."
    Mohit Gupta, Technical Product Manager | Machine Learning Engineer at Timble Technologies Pvt Ltd
    < $25/hr
    250 - 999
    2016
    India
  • Relevant Software

    Web&Mobile Apps Development | Dedicated Engineers
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    Relevant is an international software development company that designs, builds and delivers products of world-class standard for Fortune 500 companies and promising startups. We provide software development teams made up of the best engineers from around the world, benefiting globalization and diversity.  More ... read more about Relevant Software

    "High professionalism, great resource management and engagement with the project"
    Julia Orlovska
    $25 - $49/hr
    50 - 249
    2013
    Poland
  • Forte Group

    Your full-spectrum software delivery partner
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    Forte Group is a full-spectrum software solutions and managed services resource for businesses seeking exceptional engineering talent and extraordinary software. We work with IT enterprises, business leaders, and technology companies to accelerate and evolve applications that consistently achieve valuable business outc ... read more about Forte Group

    "A true partnership "
    Phil Jones
    $50 - $99/hr
    250 - 999
    2000
    United States
  • OKQA

    More than just testing
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    Why OKQA is more than just testing? We are not a company that comes and goes. We are a QA team that can become your long-term partner for on-demand software testing or ongoing QA tasks.We do not only provide manual and automation software testing services. We deliver comprehensive QA audits for e-commerce businesses ai ... read more about OKQA

    "Outstanding with exceptional attention to detail when it comes to testing"
    Leo J Barnett, Founder & CEO at Reelshot - Pro camera & video editor
    < $25/hr
    2 - 9
    2020
    Ukraine
  • Inoxoft

    IEC/ISO 27001, Google, Microsoft Certified Company
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    Inoxoft is a custom software development company that gets to realize clients’ business ideas and deliver cutting-edge solutions for several industries including Healthcare, Fintech, Education, Logistics, and Real Estate.Depending on the requirements, the team estimates the best cooperation model for client commu ... read more about Inoxoft

    "We were impressed with their responsiveness, personality, accommodating nature, and professionalism"
    Stephanie Soetendal, Founder at Matrix Tutors
    $25 - $49/hr
    50 - 249
    2014
    Ukraine
  • KMS Solutions is a premier technology consulting and solutions provider that empowers BFSI enterprises to optimize operations, drive innovation and help them enhance their product & service offerings through the seamless integration of cutting-edge technologies and tailored solutions. To learn more about KMS Sol ... read more about KMS Solutions

    "We need a tool to help us gain better insights into how users engage with our digtal product. KMS Solutions recommended a product analytics solution t"
    Thuan Do, Teacher Manager at Schola
    NA
    250 - 999
    2019
    Vietnam
  • QA Supermarket

    Quick as automated testing, Clever as a human
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    QAsupermarket is a place where you can get your software tested by professionals with the maximum automation of processes and with the minimum time and money expenses. QAsupermarket will cover all test types you need on any platforms you need. Professional tools such as Online Bug Tracking System and easy-to-use ... read more about QA Supermarket

    "Excellent experience using QA supermarket"
    Fern Bazuin, Quality Assurance Manager at at RoomRaccoon
    NA
    2 - 9
    United States
  • 9YARDS IT TECHNOLOGY PRIVATE LIMITED

    Leading Software Development & Testing Company
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    9Yards Technology is a preeminent IT service provider rendering top-notch IT services worldwide. Since our inception, we have successfully served 500+ global clients as their strategic technology partners, including numerous Fortune 500 companies, tech giants, and a multitude of progressive startups. Our efficacious en ... read more about 9YARDS IT TECHNOLOGY PRIVATE LIMITED

    "Experts in the field of QA. Best outsourcing team to work"
    RP Singh, Sr. Business Manager at Mobilecoderz
    < $25/hr
    50 - 249
    2020
    India
  • QTeam Software Solutions

    We are creating bespoke software solutions
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    Our purpose is to deliver complex digital solutions in web related industries like e-learning, e-commerce and social media marketing.Share with us your pitch and ideas, we learn your trade, we will involve our team, technologies, and techniques that will grow and raise your business. We have seen with each customer tha ... read more about QTeam Software Solutions

    "Top notch quality"
    Andrei Dobrin, QA Manager at at Zitec
    $50 - $99/hr
    2 - 9
    2016
    Romania
  • Spiral QA

    Full suite of software testing solutions
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    Spiral QA gives companies the software testing and quality assurance support they need to create better, more user-friendly web and mobile applications. For over 9 years, our dedicated team of software testers and quality assurance specialists at Spiral QA has been helping businesses build confidence in their products, ... read more about Spiral QA

    "Web Application Testing Partnership "
    Bogdan Nechaev, Chief Knowledge Officer at IM Action
    $25 - $49/hr
    10 - 49
    2011
    United States
  • test IO

    Fast QA Testing as a Service
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    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 ... read more about test IO

    "Excellent team. Value for money!"
    Nick woods
    $50 - $99/hr
    10 - 49
    2011
    United States
  • Merged Minds

    Professionals with young hearts and open minds
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    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 comp ... read more about Merged Minds

    "Excellent team work"
    Clarence Jacobson, Test Manager - Contractor at Freelancer
    < $25/hr
    2 - 9
    2017
    United Kingdom
  • Mindful QA

    American Software Testing Company - 10% to Charity
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    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 ... read more about Mindful QA

    "Skilled, Experienced, and Easy to Work With!"
    Jeff Broussard, CTO at at Wonderwall Consulting
    $50 - $99/hr
    50 - 249
    2018
    United States
  • 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 Ons ... read more about Testdel UK LTd.

    "Health Care Industry "
    Lisa Barnett
    NA
    50 - 249
    2016
    United Kingdom
  • Tesvan

    Manual and Automation QA Outsourcing Services
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    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: P ... read more about Tesvan

    "Excellent team and always available !"
    Nina Antonyan
    $25 - $49/hr
    10 - 49
    2019
    Armenia
  • 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 e ... read more about Rocketlab

    "Excellent QA partner for various projects"
    Peter Hans Baumann
    $50 - $99/hr
    50 - 249
    1994
    Switzerland
  • ScienceSoft USA Corporation

    USA-based Software Development Company
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    ScienceSoft is a US-based IT consulting and software development company that offers all-encompassing software testing and QA services. Backed by 30 years of experience, the company provides QA consulting and software testing services for a range of industry domains, including healthcare, banking, retail, manuf ... read more about ScienceSoft USA Corporation

    "I'd highly recommend ScienceSoft for various testing needs"
    Kavitha Ganapa, PMP, CSM, Delivery Leader at Guardian Technology Group
    $50 - $99/hr
    250 - 999
    1989
    United States
  • mVerve, a boutique Enterprise Software Services firm based in Bengaluru with clients all across the Globe. mVerve offers B2B & B2C digital solutions on Mobile and Web platforms. Our enterprise-grade services include Digital Advisory, UI/UX Design, Mobile/Web App development, Emerging technologies like wearables, bo ... read more about mVerve

    "Had A Great Experience"
    sneha singh
    < $25/hr
    10 - 49
    2017
    India
  • TestUnity

    You Make Apps. We make them Better.
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    A SaaS platform, dedicated company for all kinds of software testing services need. A complete QA organization for on-demand scalable testing services need with all pre-defined well-set processes & procedures. A QA community with a pool of talented resources spread across the world to cater to the need of demanding ... read more about TestUnity

    "Plug and play solution via Resource -as -Is availability. Highly effective"
    Prashant Kanoo, Head of IT/CTO at DHS Arabia
    < $25/hr
    50 - 249
    India
  • CMSMART

    Website Development Company
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    CMSMART is one of the biggest leaders in providing complete e-commerce solutions to SMB businesses all over the world. To become a trusted partner to grow up during customers' process of building & developing their website is our target mission. Various choices for different platforms such as Joomla, Virtu ... read more about CMSMART

    "We use the plugin NBDesigner and it works really good."
    Gala Freixa, Co-Founder at Sheedo
    $25 - $49/hr
    50 - 249
    2010
    Vietnam
  • PieSoft

    Development as Easy as Pie
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    PieSoft is an international company based in Pennsylvania with satellite offices located in Poland and Georgia. How we assist you  We offer start-ups and companies a full spectrum of custom software and hardware development services to achieve business continuity, agility, and efficiency. PieSoft in numbe ... read more about PieSoft

    "With the introduction of PieSoft's CRM, we've been able to manage and enhance our production"
    Laura Cerezo, Director at GistOp
    $25 - $49/hr
    50 - 249
    2012
    United States
  • NMG Technologies

    Transforming Startups into Industry Leaders
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    NMG is a globally recognized digital solutions powerhouse, specializing in full-cycle software development since 2008. With over 15 years of expertise, we serve a diverse clientele, from NASDAQ-listed corporations to innovative startups, delivering solid solutions within budget and timelines. Our team comprises over 15 ... read more about NMG Technologies

    "Highly recommend them as Best Mobile App Developers"
    Jeremy Tillman, Founder & CEO at Tillman Learning LLC
    $25 - $49/hr
    50 - 249
    2008
    United States, India
  • instinctools

    Dedicated Software Development Teams
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    *instinctools is a software product development and consulting company with headquarters in Germany and the USA. Powered by 350+ seasoned in-house professionals located in development hubs in Poland, Kazakhstan, and LATAM, we provide self-managed cross-functional dedicated teams to reduce development costs while inc ... read more about instinctools

    "The team delivers on time and within budget, proactively asking how to help the client and providing new ideas."
    Sebastian Belle, Head of Engineering at lawpilots GmbH
    $25 - $49/hr
    250 - 999
    2000
    United States, Germany
  • Sigma Software is a team of 2000 IT experts across the USA, Sweden, UK, Canada, Israel, Singapore, UAE, Australia, Austria, Ukraine, Poland. For almost 20 years we have successfully been helping our clients to solve their business challenges through managed services, dedicated development teams & smart solutio ... read more about Sigma Software Group

    "Overwhelming Positive Experience With Very Quick Turnaround."
    Jennifer Benbow, Nick Pearson, Co-Founder at Twixt
    $50 - $99/hr
    1,000 - 9,999
    2002
    Ukraine
  • ITC Infotech is a leading global technology services and solutions provider, led by Business and Technology Consulting. ITC Infotech provides business-friendly solutions to help clients succeed and be future-ready, by seamlessly bringing together digital expertise, strong industry specific alliances and the unique abil ... read more about ITC Infotech

    "Unifi Aviation LLC – Sandeep Angra"
    Sandeep Angra, CIO/CTO at Unifi Aviation
    NA
    10000+
    2000
    India
  • Aimdek Technologies

    Your Technology Partner for Growth
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    AIMDek, incorporated in the year 2014, aims at empowering businesses across the globe with high-class infrastructure for information technology solutions. As an organization, we excel in delivering quality, innovative business strategies and resolve complex business challenges in digitalization. We are one of the le ... read more about Aimdek Technologies

    "AIMDek is a serious company, and we are very satisfied with the work."
    Polargentina, CTO at POL Argentina
    $25 - $49/hr
    50 - 249
    2014
    India
  • ETEAM

    The innovator's engineering team
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    ETEAM is a seasoned digital product agency specializing in transformative growth for different types of businesses, from VC-backed startups to the largest company in the world, for the last decade.  We're best known for translating the complex world of digital development into clear and easy-to-understand p ... read more about ETEAM

    "A terrific experience with a contracted engineering team"
    Corbin Fraser, Group Product Manager at at Bitcoin.com
    $50 - $99/hr
    50 - 249
    2016
    United States
  • Techforce provides solutions for every business need and has been serving global customers since 2015.Focused on industry-leading technology, Techforce supports its customer’s growth with flexible, scalable, and intelligent solutions implemented and supported by an experienced technical force.

    "Metaversity SmartContract"
    Tarsha Weary, Web 3 Founder⚡ Metaverse Creator ⚡Masters Degree in Failing; Ph.D. in Getting Back Up! at SW Design Metaversity
    $25 - $49/hr
    50 - 249
    2015
    United States
  • ITester Inc

    Best Digital Transformation company in USA
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    ITester We are Best Software Development, Best Digital Transformation company in Germany, Top Security Testing, social security attorney- Many years Itester has been dedicated to every client success and to creating innovations that matter for the world".iTester follows an ITIL based SDLC for managing the developm ... read more about ITester Inc

    "Professional Ecommerce website"
    CXO
    NA
    50 - 249
    2000
    United States
  • MichiganLabs is a custom software development company in Grand Rapids, Michigan. Michigan Software Labs develops software for mobile app, web, IoT, and embedded devices across a wide range of industries. We’d love to talk about your next project.Michigan Software Labs develops custom mobile, web, and Internet of ... read more about Michigan Software Labs

    "Highly skillful and talented team they have!"
    Joe Bennett, Director at Cascade Engineering
    $150 - $199/hr
    10 - 49
    2010
    United States
  • NexThoughts is a complete Software Solutions Company with a team of 45+ professionals expertise in Development, Testing and Evaluation of Enterprise software and web applications. We look to disrupt traditional business models and help companies with Digital transformation.We work closely with our customers and engage ... read more about NexThoughts Software Technologies Pvt. Ltd.

    "Top notch professional software engineering services"
    Julian Kaljuvee
    < $25/hr
    10 - 49
    2013
    India
  • With our experience of working with various domains and technologies, we carefully understand businesses and deliver sustainable, resilient, and secure software solutions. Our customized approach to software development aims at reinventing business models, accelerating innovation, and strategically planning a digital r ... read more about Observance Solutions Private Limited

    "Satisfying"
    Adeyemi Gill, Director of Anova Consulting Inc. at ANOVA Consulting Inc.
    $25 - $49/hr
    10 - 49
    2020
    India
  • zen8labs

    Start something awesome together
    Visit website

    We are a global technology consultancy that prioritizes effective results and client success. Zen8Labs adopts cutting-edge technology practices and tools to ensure alignment of winning business solutions and impactful optimization. A wealth of experience driving efficiencies and innovation allows us to bring that pe ... read more about zen8labs

    "A truly proffesional and talented team, highly recommend to everyone"
    Duy To, CEO at Newwave Solutions
    $25 - $49/hr
    10 - 49
    2019
    Vietnam
  • INOSTUDIO

    Pro software. Real solutions.
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    INOSTUDIO is a software development company providing clients with full cycle development services since 2006. Started as a company of two it has grown up to 80 people so far. We help small and medium businesses to increase profits by creating effective web&mobile solutions.The company portfolio comprises 285 ... read more about INOSTUDIO

    "Strong team with good communication skills"
    Rafael Moreno, R&D Team Leader - Software Engineer at XMPie
    $50 - $99/hr
    50 - 249
    2006
    Russia
  • We are an interactive creative agency; passionate about delivering successful, efficient and winning solutions for your business. Be it start-up or a large corporation, we can offer exceptional branding, groundbreaking marketing strategies, mobile app development & web solutions surpassing your expectations. BRAHMA ... read more about BRAHMA TECHNOLAB

    "Awesome Web development services form Brahma Technolab"
    Kevin Hughes, Regional Finance and performance manager at DNV at DNV
    $25 - $49/hr
    2 - 9
    2021
    India
  • Hexacta, a GlobalLogic company, offers end-to-end digital and data engineering services, delivering nearshore and offshore custom software development, testing, and user interface design. The company is headquartered in Uruguay and has additional innovation hubs in Argentina, Colombia, Peru, and the United States. Ente ... read more about Hexacta

    $25 - $49/hr
    250 - 999
    1999
    Argentina

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System Testing vs. Integration Testing: Key Differences

FeatureSystem TestingIntegration Testing
DefinitionTests the entire software system to ensure it meets functional and non-functional requirements and interacts seamlessly with other systems.Tests the interactions and communication between individual software components or modules to ensure they work together correctly.
FocusOverall functionality and behavior of the complete system.Interoperability and data exchange between individual modules.
TimingUsually conducted after integration testing and before deployment.Usually conducted after unit testing and before system testing.
Test casesDesigned to cover various user scenarios, system functionalities, and non-functional aspects like performance and security.Focused on specific interfaces, data flows, and error handling between modules.
Tools usedAutomated testing frameworks, performance testing tools, and security testing tools.Mocking frameworks, integration testing frameworks.
OutcomeIdentifies system-level issues, ensures all functionalities work together as expected, and verifies compliance with requirements.Ensures modules work together properly, data is exchanged correctly, and integration flaws are identified.
AutomationOften automated to streamline testing processes and ensure thorough coverage of system functionalities and scenarios.Frequently automated using testing frameworks and tools to facilitate the execution of integration tests across different configurations.
DependenciesDependent on completing integration testing to ensure that integrated components or systems function correctly.Dependent on completing unit testing to verify the correctness and stability of individual components before integration.
ExampleTesting if an online shopping system allows users to complete purchases, integrates smoothly with payment gateways, and delivers orders effectively.Testing whether the order processing module interacts correctly with the inventory and payment modules ensures accurate data transfer.
GoodFirms NotesSystem testing is often called "black-box" testing as it focuses on the system's external behavior without delving into internal code.Integration testing is a "white-box" approach, examining the internal interactions between components.