List of Best Load Testing Service Providers
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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/hr250 - 9992010United States, India -
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/hr250 - 9992011United States, United Kingdom -
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, A ... read more about QualityLogic
"Thorough and professional user acceptance testing services for software implementation"Jennifer Dunn, Co-Leader at Woligo$25 - $49/hr50 - 2491986United States, Australia -
TestMatick offers end-to-end software test services to a diverse clientele. The company is a leading provider of QA testing and holds expertise in more than 20 types of testing services, such as mobile testing, functional testing, automated testing, usability testing, localization testing, and more.
"Successful QA Project"Mark Hamilton, Managing Director at Arthur Hamiltons LtdNA50 - 2492009United States, Ukraine -
Binmile is a Product Engineering & Custom Software Development Company with offices across the globe.We are an enterprise software engineering company that helps organizations implement their digital journeys at speed. An ISO 9001:2008 & 27001:2013 certified company, strengthened by our unique Global Deliv ... read more about Binmile Technologies
"Skilled, transparent & professional team"Daniel Prince, Product Manager at Veranda Learning$50 - $99/hr250 - 9992017India, United States -
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/hr50 - 2492016Vietnam, 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/hr10 - 492020India, United States -
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/hr10 - 492016Estonia -
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/hr10 - 491992Uruguay -
Successive Digital is a next-gen technology consulting services company purpose-built for the speed of modern business. We transform businesses across all touchpoints of customer experience with our digital transformation solutions.We strive to emerge as the long-term center of innovation and excellence partner fo ... read more about Successive Digital
"Good for all business needs"Michelle gery$25 - $49/hr250 - 9992012India -
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/hr50 - 2492009Australia -
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/hr50 - 2492015United States -
SimbirSoft is a global IT outsourcing service provider. We offer world-class custom software development services and complex technical solutions: high-load products, software for industry, banking and finance, medicine, retail, and many other industries. Since 2001, we have implemented 1190+ projects ra ... read more about SimbirSoft
"The whole experience was very good, and I’m looking forward to our future cooperation!"Lev Bein, IT Analyst at LB Internet Solutions$50 - $99/hr1,000 - 9,9992001Russia -
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/hr50 - 2492010Poland -
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/hr250 - 9991987India -
Our mission is to Empower and Enhance the lives of Billions of users through Profound technology solutions. We invite you to Think Big and join this movement as our Clients, Partners and Employees. Our services are designed to take your business to the next level, re ... read more about Cyber Infrastructure Inc.
"A good partner for webdevelopment and appdevlopment projects"Hendrik Schmidt< $25/hr1,000 - 9,9992003United States -
Abstracta is a leading, pure-play and independent software testing services company founded in 2008 with offices in California and Latin America. We offer testing consultancy services centered on building custom, dedicated testing teams. Our teams have the added value of being able to leverage all of Abstracta’s ... read more about Abstracta
"Great results and a knowledgeable team"Daniela, Business Development Associate at at wrnch$50 - $99/hr50 - 2492008United States -
Redwerk is a software development agency recognized by Microsoft Partner Network as a tech leader showing consistent capability and commitment. Our high expertise is also acknowledged by leading tech listings like Clutch, GoodFirms, DesignRush, SoftwareWorld, and ITFirms. Since 2005, we've helped over 170 busine ... read more about Redwerk
"Redwerk is a great partner for all of your web development needs!"Stephanie Levine, UI/UX Designer, Website Product Manager at Justin Alexander$50 - $99/hr50 - 2492005Ukraine -
QAwerk is a software testing agency whose expertise is acknowledged by leading tech media like The Next Web and Tech Crunch. Since 2015, we've tested over 300 projects, helping businesses across North America, Europe, and Africa gain the world's recognition and users' love. We achieve this by co ... read more about QAwerk
"Specialty Testing done well in a niche product area including hardware"Carolyn Mattes-O'Brien, Head of DevOps and IT at VirtaMed$25 - $49/hr10 - 492015Ukraine -
WHO WE ARE We are BetterQA, a “software testing only” company founded in 2018 in Cluj-Napoca, Romania. Since then, we provide exceptional services and experiences to every one of our clients. We believe in building lasting relationships with our team members, partners, and clients. WHAT ... read more about BetterQA
"Quick and Effective Delivery!"SERGEI RUSAKOV, Director of Operations at Alfatek DigitalNA10 - 492018Romania -
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< $25/hr250 - 9992011Vietnam -
TECUNIQUE, a distinguished Indian software services company with over 14 years of industry experience, is a growing leader in the realm of offshore software development and quality assurance services. Our unwavering commitment to excellence has positioned us as a trusted partner for start-ups, software development comp ... read more about TECUNIQUE PRIVATE LIMITED
"A true partner"Guillaume Brejaud, COO at oppScience at OPPSCIENCENA50 - 2492010India -
Henceforth Solutions is a full-cycle mobile and web solutions company. We have delivered over 20+ solutions covering 4 verticals Web, Mobile Gaming, Enterprise Mobility, MVPs (Minimum Viable Products) for startups, and Internet of Things-based solutions. Our offices across Canada and India allow our clients to benefit ... read more about Henceforth Solutions Pvt Ltd
"Exceptional Collaboration with Real Results"Tyler Durden, Professional Athlete/Entrepreneur at Ppirols Net< $25/hr50 - 2492017India -
ZUZEX is committed to a responsible approach to the development process and provides the planet with complex web, mobile, and desktop software. All our developers work full time on-site, so complete control is exercised on your project at any moment, as well as good coordination of all the team members. We apply Waterf ... read more about ZUZEX
"Very reliable partner to build your software"Michael Gutkins, Head of Data Science & Analytics at Httpool at Httpool$25 - $49/hr50 - 2492008Israel -
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/hr250 - 9992016India -
Ubertesters is the leading global provider of a cloud-based, process management tool for mobile applications beta testing to ensure an accurate, fast and cost effective mobile testing process that results in high quality, flawless, mobile app.
"Provide value for money services."Anonymous, Engineering Manager at Telecom Software Services$25 - $49/hr50 - 2492012United States -
XB Software is a full-cycle development company that has many years of expertise in building custom web and mobile solutions. We have a strong and dedicated team of IT professionals engaged in IT Consulting, Web & Mobile App Development, Business Analysis, UX/UI Design, as well as QA and Software Testing. We o ... read more about XB Software
"Our experience with XB Software was nothing short of exceptional. From professionalism t"Evgeny Dolgushin, D&C Advisor, Support Engineer at GDP Drilling$25 - $49/hr50 - 2492008Poland -
Mindfire Solutions is a 20+ years old Software development & IT services company. We specialize in offering customized technological and digital solutions to solve our client’s mission-critical issues. We cater to our client's digital needs with an integrated portfolio of services and aim to develop diffe ... read more about Mindfire Solutions
"Great! High integrity firm that always delivers on its promises. "Paul Roth , Founder at Advisory Selling$25 - $49/hr250 - 9991999India -
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 a ... read more about Savarian.tech
"Savarian.tech provided us with an in-house testing team that helped us improve our internal processes and increase the quality of products we work on."Yurii Maslov, CTO at DigitalSuits$25 - $49/hr10 - 492019Poland -
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/hr250 - 9992000United States -
A3Logics is an IT industry leader in digital transformation whether it is creating custom mobile apps or AI-powered software that allows businesses to thrive in the digital landscape. For over two decades now A3Logics - a CMMI Level 3 company that helps businesses gain unmatched competitive advantage and scale ROI. Wit ... read more about A3logics
" Satisfying IT solutions for Fantasy Sports App Development and more."Marc Berman, pres at Marc Berman$25 - $49/hr250 - 9992003United States -
The company’s mission is to help global organizations overcome technology challenges of Digital Transformation with the focus on new and emerging technologies, which we believe should make a positive impact on each area of our lives, making it simpler, smarter, and opening new promising horizons.Delivering innova ... read more about DigiPrima Technologies Pvt. Ltd.
"eCommerce Website Development for Tajik Home LLC with Quality Assurance."Joseph Zisa, eCommerce Specialist at TajikHome LLC< $25/hr10 - 492016India -
Vyshnavi Information Technologies India Private Limited (VIT) is a global Information Technology Company established in the year 2001 with headquarters in Bangalore, having development centers in Bangalore, Pune, US and Canada. Our range of services includes Design, Development and Testing of software components for Pr ... read more about VIT
"Review of VIT"Steve Hyde, Director, Operations and Quality Assurance at TRADING CENTRAL$25 - $49/hr250 - 9992001India -
UpDoer is an independent software testing and QA company and has established with the aim to deliver high-quality products according to the current market trends with the help of complete software testing/QA process. "We believe in work" and not just talking about work. We follow the best Quality Assurance pr ... read more about UpDoer Technology
"High responsiveness & professionalism"Poonam Bhardwaj, Business Specialist at Saletancy< $25/hr10 - 492017India -
We expedite the development and QA processes to deliver the product & services within or before the suggested time period.Our services comes with lifetime support facilities. We maintain and constant upgrade our products according to the latest technologies and versions.Privacy and confidentiality of our clients ar ... read more about MetaDesign Solutions
"Mobile App Development for IT Company"Ernie Garcia, Founder at Carvana at Carvana$50 - $99/hr250 - 9992007India -
TestFort is an award-winning team offering transparent and flexible software testing and QA services. The company was created in 2001 and has grown tremendously ever since. TestFort engineers have proven their expertise with ISTQB and IBM certifications and performed 300+ projects for both startups and worldwide corpor ... read more about TestFort
"Software Testing Services for Telehealth Platform"Denis Kovalenko$25 - $49/hr50 - 2492001United States -
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 ScholaNA250 - 9992019Vietnam -
LANARS is an international hardware & software development company. We create the Internet of Things, the Industrial Internet of Things, mobile applications, websites, CRM & ERP systems, and custom enterprise solutions. LANARS was established in 2016 and has headquarters in Oslo (Norway). LANARS is a pain ... read more about LANARS
"Cutting-edge solution for our energy project from LANARS"Axel Karlsen, Project Engineer - UNITECH Energy Group at UNITECH Energy Group$50 - $99/hr50 - 2492016Norway -
Agilites offers software development and testing outsourcing services in the form of building dedicated teams of Web/Mobile Developers, QA engineers, PMs, and other IT experts who create and ensure the quality of software products for companies in different industries. We also provide independent testing and QA of soft ... read more about Agilites
"Very happy with their testing service."Pavel Kovalev, VP Product Development at Websoft$25 - $49/hr50 - 2492012Ukraine -
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/hr2 - 92016Romania -
In the hyper-competitive online marketplace, providing a better customer experience is the only way to win. It’s a world where milliseconds can add up to millions – and one where performance is everything. But optimizing customer experience goes way beyond measuring speed and engagement.SOASTA gives you a c ... read more about SOASTA, Inc.
< $25/hr250 - 9992006United States -
Trigent, founded in 1995, is an early pioneer in IT services and a leading software services company. We believe in partnering with clients across their value chain, assisting them to design, build, deliver, and maintain their products and services that make them the best in their industry. We enable our clients t ... read more about Trigent Software, Inc
"Excellent engagement and integration with our company. Delivered great value in speeding up an ailing rule engine project of ours."Praseed Thapparambil$25 - $49/hr250 - 9991995United States -
Global IT APP are web development, mobile app development, web design, digital marketing and agency offering a wide range of services around the world. Incorporated in 2011, The team of engineers and developer at our firm are the best in their own way and we promise to provide timely service to our esteemed client. We ... read more about Global IT APP
"Very Skilled Web developer"Suvendu Sarkar, Sr.Project Manager at Crazy Animation Studio< $25/hr2 - 92011India -
Pegasie offers on site and remote services in Software Quality Assurance and Performance Testing. We have built a wide range of expertise on different systems, applications, platforms and networks throughout the years and count over 140 customers in different industry verticals. We offer a wide variety of services incl ... read more about Pegasie Technologies
$100 - $149/hr50 - 2492002Canada -
StrongBox IT, a global cybersecurity and information security services company specializing in Vulnerability assessments, penetration testing, security audits and compliance audiit requirements. StrongBox IT, through their VAPT services, including network and applocation security testing, has helped leading ... read more about StrongBox IT Private Limited
"Strongbox has been a great long term security partner for us"Aaditya S, Building product at at RevenueHero< $25/hr10 - 492017India -
Headquartered in Denver, Colorado, iBeta Quality Assurance has been providing critical software testing services for the world’s most trusted brands since 1999. Our full range of on-demand QA software testing services encompasses many different software testing types including functionality testing, mobile testin ... read more about iBeta Quality Assurance
"Excellent QA Experience"Kevin Chan$50 - $99/hr50 - 2491999United States -
Established in 2003, SciVisum has grown to become a significant player in the UK Web Performance Monitoring and Testing market. Bridging the gap between business and technology teams by providing a common language, in depth analysis, expert monitoring, intuitive reporting, and comprehensive client support, our portfoli ... read more about thinkTribe
< $25/hr10 - 492003United Kingdom -
SynergyTop is a global software solutions provider that delivers innovation and technology services. We offer our expertise in the areas of Mobile, Product and Application Design and Development, Web Services, Digital Marketing and Quality Analysis. We, at SynergyTop are passionate about technology. This, coupled wi ... read more about SynergyTop
"The development work done by SynergyTop improved the site’s traffic and reach"Samuel McGrew, Founder at Grade Plays$25 - $49/hr50 - 2492014United States -
All that we do is to deliver happy experiences for our clients and team with our quality Software Testing services. 16 years in business, 1600 successful projects, 400 customers and a team of 200 good people. We have built our legacy on the foundation of positive experiences and customer satisfaction. So much so that n ... read more about Crestech Software Systems Pvt.Ltd.
"CresTech is a excellent software testing company."sangram singh chauhan, Digital Marketing Specialist at 'confidential'$25 - $49/hr250 - 9992005India -
TestingXperts is a Next-Gen QA & Software Testing Services provider, co-headquartered in London, UK and Harrisburg, PA in the USA, with offices in the Netherlands, USA, Singapore and offshore test labs in India. TestingXperts’ comprehensive suite of testing services covers Test Advisory, Functional and Non-Fu ... read more about TestingXperts
NA1,000 - 9,9992013United States -
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 on ... read more about SumatoSoft
"Sumatosoft is an amazing firm with Talented Designers, Architects, and Developers"David Logan, Managing director at Umergence$50 - $99/hr50 - 2492012United States
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Get a Personalized ShortlistLoad Testing vs. Stress Testing: Key Differences
Feature | Load Testing | Stress Testing |
---|---|---|
Definition | Evaluate how an application performs under normal or expected user loads, ensuring it behaves as intended and meets performance requirements | Pushes an application beyond its expected limits to identify breaking points and assess its resilience under extreme conditions |
Goal | Ensure stable performance under anticipated user load, prevent performance bottlenecks, and measure responsiveness and scalability. | Identify system weaknesses, determine maximum capacity, and understand behavior under extreme scenarios. |
Test Load | Varies based on expected usage patterns and often simulates realistic user behavior and concurrent requests. | Increases steadily or abruptly beyond expected limits may utilize unrealistic scenarios to push boundaries. |
Expected Outcome | The application maintains acceptable performance metrics (e.g., response time, throughput) under the expected load. | The application exhibits predictable behavior even when overloaded, and identified weaknesses can be addressed before deployment. |
Tools Used | Load testing tools, performance monitoring tools, and traffic generators. | Load testing tools, stress testing tools, monitoring tools. |
Typical Example | Simulating hundreds of concurrent users browsing a website to ensure smooth operation. | Testing the application's behavior under thousands of concurrent requests to discover potential crashes or performance issues. |
Risk Identification | Helps identify potential performance bottlenecks, scalability issues, and resource constraints under expected user loads, enabling proactive optimization and capacity planning. | Helps identify system vulnerabilities, stability issues, and points of failure under extreme load conditions, enabling mitigation strategies and improvements to enhance system resilience and robustness. |
GoodFirms Note | Load testing typically precedes stress testing as it establishes a baseline for normal performance | Load testing helps prevent performance issues that impact user experience, while stress testing helps ensure system robustness and prepare for unexpected situations. |