If you want to ensure your software performs optimally, it's crucial to partner with top performance testing companies. They specialize in multiple testing services such as load testing, stress testing, and performance engineering to guarantee your software performs at its best under various circumstances. By leveraging their expertise and advanced testing tools, they can detect and resolve performance issues to prevent major software bugs and problems. Filter them by client reviews, team size and cost to narrow down the best team for your project.
Best Performance Testing Services
1,244 Companies - Rankings updated: April 02, 2026
We evaluate every agency on DesignRush for technical expertise, delivery quality, and verified feedback to help businesses find reliable software development services. Some listings may be paid.
Software as a passion.
Established in 2002 in the USA, ObjectStyle stands as a distinguished software technology company. We are dedicated to offering comprehensive end-to-end IT services that encompass a wide spectrum of solutions. Our expertise spans various domains, ranging from web design and mobile app development to IT [... view ObjectStyle profile ]- Location
- Fairfield, Connecticut
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $10,000 - $25,000
Let's Save Lives Together
CureMD's physician billing services are easy and stress free Our team of experts will handle all the complex details, so you can focus on providing excellent patient care [... view CureMD profile ]- Location
- New York City, New York
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $35/hr
- Minimal Budget
- Under $1,000
We create digital solutions that support your growth
We support your company in improving its online performance. [... view BD Solutions profile ]- Location
- Noventa di Piave, Italy
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
Delivering transformational products and learning experiences
We are a trusted full-service software development company offering a full range of services such as software development, design, support as well as product strategy and launch. Our mission is to empower our partners by providing senior-level, dedicated teams of developers to help fast-growing start-ups and [... view Oves Enterprise SRL profile ]- Location
- Cluj-Napoca, Romania
- Number of Employees
- 250 - 499
Where Innovation Meets Tradition
AI Hotel Marketing (AIHM) is your go-to source for the latest insights and trends in hotel marketing powered by artificial intelligence. Our blog and newsletter serve up a curated selection of articles, case studies, and actionable strategies designed to help hoteliers harness the transformative power of AI. [... view AI Hotel Marketing profile ]- Location
- Bangkok, Thailand
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
End to End Cybersecurity Solutions
SwiftSafe is a cyber security company specializing in securing IT infrastructure and assets with security consulting, Auditing and testing services. [... view SwiftSafe profile ]- Location
- Glenroy, Australia
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
Create Mexican technology with global impact.
We are a technology development company and we do both custom projects and SaaS products. [... view Lumston profile ]- Location
- Tlaquepaque, Mexico
- Number of Employees
- 50 - 99
- Minimal Budget
- $10,000 - $25,000
Mobile Marketing To Boost your App Organics
Specialized mobile marketing solutions to help small app developers and publishers market their mobile apps and games with a focus on app store optimization (ASO), performance Marketing and growth hacking. Boost organic traffic easily, target your right audience, and make more money from your mobile apps. [... view ASO4Apps profile ]- Location
- Madrid, Spain
- Number of Employees
- Under 49
- Average Hourly Rate
- $60/hr
End to end software development since 2010.
Danubius IT Solutions prioritizes continuous learning and improvement to provide customers with the latest technologies. Emphasizing the human side, we place importance on clear communication, agile methodologies, and collaborative partnerships. [... view Danubius IT Solutions profile ]- Location
- Budapest, Hungary
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $25,000 - $50,000
Three decades providing solutions to your company.
At AW Software, we aim to collaborate with our clients throughout the transformation journey to adopt market-demanded technologies, ultimately securing strong and enduring positioning for companies. Our goal is to ensure that companies achieve optimal positioning by leveraging new technologies effectively and [... view AW Software profile ]- Location
- Buenos Aires, Argentina
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
Your partner to tour digital transformation journey
Isol specializes in crafting dependable and agile innovative solutions to address the challenges your company encounters, ranging from mobile and integration to AI and business process automation. Whether your infrastructure is OnPremise, Cloud, or Hybrid, we tailor our solutions to meet your specific needs. [... view Isol profile ]- Location
- Mexico City, Mexico
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $65/hr
- Minimal Budget
- $10,000 - $25,000
Your Partner In Telecommunications, Industrial Automation and Automotive.
At Teleconnect, we specialize in supporting product developers in creating innovative products and components for data communications. Whether you need assistance in developing new products or want us to handle the entire process on your behalf, our dedicated team is here to help. With our expertise and [... view Teleconnect profile ]- Location
- Dresden, Germany
- Number of Employees
- Under 49
- Average Hourly Rate
- $105/hr
- Minimal Budget
- Under $1,000
Make Incredible Things. Shake up the Market!
MAKE Digital Inc is a multidisciplinary creative agency comprised of thinkers and makers collaborating nationwide to actualize your vision. Whether you envision elevating your brand, enhancing your business, or transforming your surroundings, we're here to attentively listen and collaborate with you. [... view MAKE Digital Inc profile ]- Location
- Barrie, Canada
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $10,000 - $25,000
Your Software Innovation Partner.
DivNotes Inc is a Toronto-based software development firm committed to addressing unique software challenges, with a relentless focus on driving growth, ensuring technical stability, and enhancing scalability. Our dedication lies in continuously pursuing excellence in both innovation and operational [... view DivNotes Inc. profile ]- Location
- Toronto, Canada
- Number of Employees
- Under 49
- Average Hourly Rate
- $80/hr
- Minimal Budget
- $10,000 - $25,000
Parners in your digital transformation.
At Timix, we offer comprehensive business solutions to our clients, encompassing consulting services, software development, cybersecurity, data science, and process improvement solutions through RPA technology. With a focus on innovation and efficiency, our tailored approach ensures that each client's unique [... view Timix profile ]- Location
- Viña del Mar, Chile
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
Southern Californias Mobile App experts since 2009
We are San Diego's mobile-native and mobile-first consultancy. We specialize in Swift for iOS, Flutter for iOS/Android, and React for Web. We have led projects for Fortune 500 companies and startups. If you're looking for an easy-to-talk-to and experienced partner to build your app, call devAtelier! [... view DevAtelier profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $10,000 - $25,000
Providing you with the best development services possible.
Edgeware Global offers premier team extension and software development services, providing innovative solutions crafted by experienced developers with industry expertise and forward-thinking approaches. Our commitment to continuous learning ensures that we remain at the forefront of technology trends [... view Edgeware Global profile ]- Location
- Kharkiv, Ukraine
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
Experience-Driven Engineering to Digitally Transform Your Business To Stay Ahead.
Experience-driven engineering to digitally transform your business to stay ahead. We understand your vision and help you build your thoughts into world-class software products. We work with businesses and individuals to help build world-class products and incubate them to grow. Trust us as your technology [... view AeroQube profile ]- Location
- Vancouver, Canada
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
Deliver best IT Solution.
Lumen Teknoindo specializes in delivering top-tier IT solutions tailored to align seamlessly with your business processes and existing systems. Our focus on providing bespoke system implementations ensures optimal compatibility and efficiency, empowering your business to thrive in the digital landscape. [... view Lumen Teknoindo profile ]- Location
- Yogyakarta, Indonesia
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
Your missing piece of the puzzle.
We are a software development company committed to delivering innovative solutions tailored to meet our clients specific needs. Our team comprises skilled professionals with diverse expertise, dedicated to providing top-notch services and ensuring the success of clients projects. We help you build and scale [... view Logik Labs profile ]- Location
- Banja Luka, Bosnia and Herzegovina
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
Crafting Digital Excellence, Click by Click.
At ClickWebb, we blend innovation with design and development to transform your digital presence. Specializing in creating bespoke websites and robust applications, we empower your brand to excel in a competitive digital landscape. Our team of experts leverages the latest technologies and creative strategies [... view Clickwebb profile ]- Location
- Enköping, Sweden
- Number of Employees
- Under 49
- Average Hourly Rate
- $65/hr
- Minimal Budget
- $10,000 - $25,000
Be Bold. Be Creative. Be Different.
JPGlobal specializes in delivering customized web and mobile applications designed to address your organization's distinct business needs and overcome challenges. Our team of experts works closely with clients to develop innovative solutions that enhance efficiency, productivity, and overall business [... view JPGlobal profile ]- Location
- Tempe, Arizona
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $1,000 - $10,000
Mentoring you through code!
MentorSol is your premier destination for bespoke software development and expert staff augmentation solutions. We are dedicated to providing tailored services that drive innovation and efficiency, ensuring your business reaches its full potential. [... view MentorSol profile ]- Location
- Dubai, United Arab Emirates
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $25,000 - $50,000
Specializing in game design.
Outpost4 is a multimedia design studio that builds apps, provides QA consulting, and design support for your brand. We build games and apps that surprise and delight. We have an eye for quality and a disciplined approach to design. We don't believe in shortcuts or AI, we are artisans and we have a [... view Outpost4 profile ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Minimal Budget
- $25,000 - $50,000
Engineering Quality, Securing Digital Success.
Qualitest is the worlds leading managed services provider of AI-led quality engineering solutions. It helps brands transition through the digital assurance journey and make the move from conventional functional testing to adopt innovations such as automation, AI, blockchain, and XR. [... view Qualitest Group profile ]- Location
- Santa Clara, California
- Number of Employees
- 1000 & Up
Timely. Affordable. Accurate.
Our team combines creativity and technical expertise seamlessly. That's why we offer seamless and customized digital acceleration solutions that exceed expectations. If you're looking for flawless product execution and captivating design to engage your audience well, hi, nice to meet you! [... view Codener LTD profile ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
Your SkunkWorks Dev Team
Blood & Treasure provides consulting and technical support services in all areas of software development and team management. 20+ platforms developed. Over $80m raised from our MVPs. 10+ years in business serving enterprises (Citrix, Gap, Nike) and start-ups (Thnks, Altru, Dollaride). [... view Blood & Treasure, LLC profile ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $90/hr
- Minimal Budget
- $1,000 - $10,000
Software Testing Company.
Testers HUB is a leading software testing and QA services company specializing in delivering high-quality testing solutions across various industries. We offer comprehensive testing services, including mobile game testing, healthcare app testing, and web app testing, ensuring your software's functionality [... view Testers HUB profile ]- Location
- Delaware City, Delaware
- Number of Employees
- Under 49
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
Let TypeScript experts write better code
We offer TypeScript expertise. [... view Lashchanka profile ]- Location
- Riga, Latvia
- Number of Employees
- Under 49
- Average Hourly Rate
- $92/hr
- Minimal Budget
- $1,000 - $10,000
Empowering Your Digital Presence.
Development of landing pages, e-commerce, and unique projects for your business. Professional Development of Landing Pages, Corporate & Business Website and E-commerce [... view Major Source OÜ profile ]- Location
- Sillamäe, Estonia
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Transforming Ideas into Innovation: A Holistic Services Provider You Can Trust
Softech Systems has been delivering excellence to the world since 1998. We have served every continent with our expert services and competence. For utmost satisfaction of our clients, we ensure tailored and contemporary services. [... view Softech Systems Pvt Limited profile ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $35/hr
Digitalization N Automation Magicians.
Aimtraction Software Agency, LLC delivers top-tier Angular development services, backed by our team of highly specialized professionals. [... view Aimtraction Software Agency, LLC profile ]- Location
- Novoiavorivsk, Ukraine
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $1,000 - $10,000
Streamline Your Life, One Tap at a Time!
Your go-to source for cloud and mobile application services. We provide top-notch solutions and services to help businesses and organizations take advantage of the latest technologies. [... view 8Peaks profile ]- Location
- Antwerp, Belgium
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
Positive and Powerful Experiences That Work
At Cogworks we believe in democratising the web by making powerful digital solutions accessible to all types of buiness. We specialise in bespoke, user-centric websites and applications using the Umbraco CMS, ensuring they are secure, scalable and sustainable. Our mission is to empower businesses with [... view THE COGWORKS LTD profile ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Minimal Budget
- $10,000 - $25,000
We Turn Your Ideas Into Reality.
Software development and IT consulting company built by technology enthusiasts. We focus on delivering an excellence of work for our customers. [... view Dreams Technologies profile ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $17/hr
- Minimal Budget
- $10,000 - $25,000
Simplify IT for a complex world!
Doocat has almost 15 years of experience in Fintech Solutions and Automated Processes. We operate in 6 countries worldwide, with our banking solutions deployed across multiple countries, assisting numerous financial institutions with their automation needs. [... view Energize Global Services profile ]- Location
- Yerevan, Armenia
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $37/hr
- Minimal Budget
- $10,000 - $25,000
Empowering SMART businesses with innovative technology.
Astuma specializes in delivering tailored IT solutions for the retail, consumer goods and e-commerce. Our expertise lies in transforming business operations through innovative technology, ensuring efficiency and growth for our clients. With a focus on client satisfaction and long-term partnerships, we strive [... view Astuma profile ]- Location
- Warsaw, Poland
- Number of Employees
- Under 49
Trusted Software Engineering Solutions Provider based in Vietnam, With A Global Presence.
As a trusted bespoke software development outsourcing company, we help business organizations tackle challenges of outdated software, inefficient processes, and poor digital presence. [... view Trustify Technology profile ]- Location
- Ho Chi Minh, Vietnam
- Number of Employees
- 100 - 249
- Minimal Budget
- $10,000 - $25,000
Industrial software development company.
Applied Systems OÜ offers the development of a large range of industrial software from PLC programming and IoT solutions to high-level automation systems. [... view AppliedSystems OÜ profile ]- Location
- Tallinn, Estonia
- Number of Employees
- Under 49
Fast. Thorough. Durable.
We solve hard problems. Durable Programming works with clients across various industries including retail, manufacturing, finance, tourism, and technology. Flexible engagement models available. [... view Durable Programming, LLC profile ]- Location
- Manchester, New Hampshire
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- Under $1,000
Digital Solutions Provider.
At GSS Tech Solutions, were redefining IT services with a commitment to excellence, reliability, and innovation. Each project reflects our dedication to quality, timeliness, and consistent performance. By continuously evolving our technology and enhancing client value, our passionate team thrives on embracing [... view GSS Tech Solutions profile ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Digital agency providing memorable experiences tailored to your needs.
Simple Code is a digital agency specializing in custom web and mobile solutions, helping businesses worldwide address their unique challenges with tailored software designed for growth and efficiency. [... view Simple Code profile ]- Location
- Zagreb, Croatia
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
Ensuring Quality, Empowering Excellence.
KiwiQA is a global leader in software testing, delivering high-quality solutions across industries. With expertise in automation, performance, security, and accessibility testing, we empower businesses to launch flawless and secure software faster. [... view KiwiQA Services profile ]- Location
- Sydney, Australia
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $10/hr
- Minimal Budget
- $10,000 - $25,000
From Concept to Market Success
We Build Innovative Mobile App Solutions In Less Than 3-4 Months Even If You Don't Know Anything About Technology Or Process. Save valuable equity & money, needed to hire a technical co-founder or a CTO. With us you get a Solid tech leadership who is Ex Microsoft, Ex TCS, Ex Infosys, looking after your App. [... view Iconnect profile ]- Location
- Harrow, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Expert Guidance for Sustainable Growth
We are an emerging IT and business consulting company providing services to industry leading clientele in North America, Europe and the Middle East. Our purpose is to enable our partners to build sustainable competitive advantage. We achieve this by enhancing organizational capabilities and optimizing [... view Murkez Technologies profile ]- Location
- Sugar Land, Texas
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
AI-native Azure consulting, development & modernization services
CIGen is a global digital transformation partner focused on modernizing and scaling essential business applications with cloud-powered solutions across Europe and North America. [... view CIGen profile ]- Location
- Warsaw, Poland
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 9 Projects Listed
Passion for Innovation
Genesis Technologies is your one-stop IT partner, offering bespoke development, testing, DevOps, and UI/UX solutions. With 14+ years of proven expertise, 1000+ delivered projects, and a perfect Job Success Score on Upwork, we are trusted by global clients to get it right, every time. [... view Genesis Technologies profile ]- Location
- Indore, India
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 12 Projects Listed
Transforming ideas into applications
Our name is inspired by the Turritopsis Dohrnii, a species of Jellyfish that can revert to its life-cycle form, via cellular differentiation. It creates a newer version of itself. Jellyfish Technologies uses design, engineering, and technology skills to transform the ideas of its valued clients into [... see all Jellyfish Technologies reviews ]- Location
- Noida, India
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Exceptional Digital Products
Indigo was born when three guys had the urge to do software the right way and be part of a company culture that treats its employees as their number one asset. So when push came to shove, we decided to build one that does exactly that. Based on four core values: teamwork, excellence, clarity and innovation; [... see all Indigo Labs reviews ]- Location
- Ljubljana, Slovenia
- Number of Employees
- Under 49
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
IT Consulting Space - Where Your Vision Drives Us To Deliver Business Impact.
With 2000+ professionals worldwide, 2600+ technology projects, and 350+ cloud-certified professionals, Jade Global is your ideal IT Services Partner. Jade Global is a member of Oracle, Salesforce, Boomi, ServiceNow, NetSuite, SAP, AWS, and Snowflake providing comprehensive implementation, integration, and [... view Jade Global profile ]- Location
- San Jose, California
- Number of Employees
- 1000 & Up
- Portfolios Count
- 1 Project Listed
Explore Software Development Specializations
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