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
1,242 Companies - Rankings updated: April 01, 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.
Top software development company and IT service provider.
Omnilab Enterprise Solutions is a dedicated software development and IT consulting firm helping businesses achieve digital transformation. We deliver top-notch custom developed software, cloud engineering and IT staff augmentation solutions. Our expertise in agile software development and offshoring solutions [... see all Omnilab Enterprise Solutions Ltd. reviews ]- Location
- Dhaka, Bangladesh
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $15/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 6 Projects Listed
Pioneers in video software development since 2005
Since 2005 we have been augmenting reality, recognizing objects on video, launching internet TV, creating platforms for video surveillance, telemedicine and e-learning for the clients all over the world.We help to plan your product and develop so that users love it. Work with companies and startups [... view Fora Soft profile ]- Location
- Hong Kong, Hong Kong
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 18 Projects Listed
Your 360° Software Development Partner.
We are Vitec and we help people worldwide not only to build IT Solutions from scratch, but to make them successful. As a 360° Software Development Partner, we take care of everything to design our partner's business models digitally. [... see all Vitec GmbH reviews ]- Location
- Kornwestheim, Germany
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 6 Projects Listed
Tech-Savvy of Your Business
Encyphers is a B2B digital transformation partner providing AI, Enterprise Platforms, Web & Mobile Engineering, Digital Commerce, Cloud, Data & DevOps, and Experience & Marketing solutions to enterprises across Retail, Healthcare, SaaS, Finance, and Manufacturing. [... view Encyphers profile ]- Location
- New Hyde Park, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 41 Projects Listed
Upsource Your Custom Software Development.
CodeStringers is an uncommon software development firm that brings innovation, craftsmanship, and integrity to the development of best-in-class cloud, web and mobile software products. We provide end-to-end product strategy, release planning, software development and quality assurance solutions. [... see all CodeStringers reviews ]- Location
- Santa Cruz, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $50,000 & Up
Full-cycle software development company
We are an international software development company that creates solutions for 4 distinct areas of cloud automation and has subsidiaries or sales partners in 12 different European nations. [... see all WebOrigo reviews ]- Location
- Budapest, Hungary
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 12 Projects Listed
End-to-End Software Development & Digital Marketing Solutions
Founded in 2006, ComIT International is a trusted leader in Software Development and Digital Marketing. From our headquarters in Serbia, with branches in Sweden, Australia, and UAE, we empower businesses worldwide with innovative and efficient solutions, driving sustainable growth and success. [... see all ComIT International reviews ]- Location
- Belgrade, Serbia
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 7 Projects Listed
Trusted technology advisor and a reliable extension of customers' IT team.
Buinsoft, based in Prague, boosts productivity with Business Software Solutions and partnerships with over 60 tech leaders. We specialize in data services (data integration, database, BI, DI ), IT outsourcing, and solutions like software logistics, customer experience, and marketing automation. [... see all Buinsoft reviews ]- Location
- Prague, Czech Republic
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
Molding the Future with Big Data and Video Innovation
Trusted by industry leaders such as Orange, Discovery, and Vodafone, Oxagile specializes in developing custom AI, OTT, and AdTech solutions tailored to specific business needs. [... see all Oxagile reviews ]- Location
- New York City, New York
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 8 Projects Listed
Full-service Software Agency for Startups and SMBs
A full-service software development agency for startups. We build Software Products, Mobile Apps, IoT, and AI and ML products. [... see all Finoit reviews ]- Location
- Irving, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
Enterprise Grade App & Web Development Services
At RichestSoft, we don't just build apps; we create seamless digital experiences that automate businesses. As a leading Mobile App and Web Development Company, we partner with visionary companies to bring their ideas to life, blending their vision with our cutting-edge technical expertise to spark future [... see all RichestSoft reviews ]- Location
- Mohali, India
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects Listed
Mobile Apps Made Properly
Tight-knit and agile, Many Hats is the result of a collaboration between passionate software developers and creative professions who were fed up with big corporate hierarchy and politics. We are proud of our ability to deliver great products efficiently, while having fun doing it. [... view Many Hats profile ]- Location
- Burnaby, Canada
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 5 Projects Listed
Web Solutions That Build Businesses
SITE IT NOW provides professional Website Designing & Development, Search Engine Optimization, Social Media Marketing, Mobile App development, and Secure Hosting Solutions. [... see all SITE IT NOW reviews ]- Location
- Chicago, Illinois
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 6 Projects Listed
The power of together
Pwrteams builds and operates tech and engineering teams for companies of all sizes. We specialize in attracting and retaining skilled experts from Central and Eastern Europe, including Poland, Bulgaria, and Ukraine. [... see all Pwrteams reviews ]- Location
- Tallinn, Estonia
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
Full-service eCommerce Solution
SECOMM is a full-service ecommerce solution provider, developing bespoke suits that work in any complex system. Working with creativity, self-motivation, and responsibility, we accompany businesses in digitalizing your market for long-term growth. [... see all Secomm reviews ]- Location
- Ho Chi Minh, Vietnam
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 14 Projects Listed
Your Partner in AI & Custom Software Excellence
Geniusee is a U.S.-based AI and software engineering company with delivery hubs in Ukraine and Poland. We help businesses modernize legacy systems and scale faster through AI-powered, cloud-native solutions. Our team of 300+ experts has delivered 200+ projects for clients like Dell and Bloomberg. We [... see all Geniusee reviews ]- Location
- Austin, Texas
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 11 Projects Listed
Hola Tech: Leading SDaaS & Blockchain Innovators Delivering Cutting-Edge Solutions with expertise.
Hola Tech is a leading software outsourcing company specializing in innovative and cutting-edge solutions. As a global SDaaS and Blockchain Development group with 2 offices in Vietnam, Hola Tech leverages a 30+ strong workforce to deliver sustainable services in blockchain, mobile app, website, and desktop [... see all Hola Tech reviews ]- Location
- Hanoi, Vietnam
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 10 Projects Listed
Building web and mobile projects that make an impact, creating solutions that drive success...
Mudimedia is a leading web design and mobile app development company established in London with successful development expert teams. [... view Mudimedia Software profile ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 10 Projects Listed
IT Staff Augmentation
With over 20 years of experience in the IT & tech sector, we offer services such as IT Staff Augmentation, Software Development, and Tech Recruitment. [... view Bluebird International profile ]- Location
- Budapest, Hungary
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 10 Projects Listed
Custom Web, Mobile & Software Development Agency for Development Agency
E-Signature Pvt. Ltd. is a leading IT services company based in Kathmandu, Nepal. With over 100+ skilled professionals, we specialize in delivering high-quality solutions in Web Application Development, Mobile App Development, AI/ML, and Blockchain Technologies. [... see all E-Signature reviews ]- Location
- Kathmandu, Nepal
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 27 Projects Listed
Leading R&d Center For .net Technologies.
NetLS is a software development company founded in 2016 in Ivano-Frankivsk. All of our development is done mostly with C# and Java Script in combination with Microsoft services, Node.js is used for the forming of Full REST API and Python libraries for communication with Data Signs. [... view NetLS profile ]- Location
- Ivano-Frankivsk, Ukraine
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 17 Projects Listed
Mobile & Web Software Dev Team
Kernelics is a boutique web and mobile software development firmfor startups and tech companies. [... see all Kernelics reviews ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 18 Projects Listed
Leading Edge. Lasting Impact.
Troy Web Consulting is a trusted guide for organizations, delivering high-quality, practical software solutionscustom web apps, mobile apps, and websiteson time and on budget. We specialize in solving business challenges through custom tailored software development. [... view Troy Web Consulting profile ]- Location
- Cohoes, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $155/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 27 Projects Listed
Big ambition. Small steps. Great results
US based custom software development company with local presence in New York, Seattle and Bogota that has a strong industry focus on FinTech, E-Commerce and Blockchain industries. Besides being a great IT employer, we have been featured in Global Outsourcing List. [... view Altarey profile ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $80/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects Listed
ReMARKAble solutions and high-quality IT services from a team of professionals
At Marka Development, we believe that no project is too big or too small. Our proven expertise is our canvas, and technology is our palette. We craft modern, exceptional projects tailored to meet the unique needs of each client. [... see all Marka Development reviews ]- Location
- Zaporizhzhia, Ukraine
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $22/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
Your CRM Success Partners
A leading Salesforce Consulting Company with more than 2000+ projects delivered and a Salesforce Crest & MSP partner, HIC Global Solutions specializes in end-to-end Salesforce consulting and cloud-based custom solutions for growing businesses. [... see all HIC Global Solutions reviews ]- Location
- Richmond Hill, Canada
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Envision Leverage Infinite
A global technology outsourcing and custom Development Company with expertise into diverse Web Development, Custom Software and Mobile Applications. [... see all Cmarix reviews ]- Location
- Ahmedabad, India
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 38 Projects Listed
Cider Is the Leading Software Development Company in the San Francisco Bay Area.
Cidersoft builds compelling apps and websites that will strengthen the success of your business. [... see all Cidersoft reviews ]- Location
- San Ramon, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $65/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Digital Product Agency Building World-Class Healthcare.
We help Digital Health Startups, Clinics, and MedTech companies ideate, design, and develop custom web & mobile applications that transform the future of the industry. [... view Light-it Health profile ]- Location
- Miami, Florida
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 12 Projects Listed
Building Software. Delivering Value
ORIL is a software development company that enable companies in Real Estate, FinTech, Transportation and Automotive, and more deliver intuitive, user-friendly digital products. Our team combines technical expertise with domain-specific knowledge to deliver high-quality digital products t [... view ORIL profile ]- Location
- Miami, Florida
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 8 Projects Listed
Specialized in Methodologies, Products & Services
Novacomp is a leading regional IT services company with over 25 years of experience assisting businesses in their digital transformation through solutions such as IT outsourcing, dedicated teams, IT consulting, staff augmentation, QA and software testing, app development, cloud services and more. [... view Novacomp profile ]- Location
- Miami, Florida
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 5 Projects Listed
Stress-Free Website Development, Maintenance, Logo Design, Copywriting Services.
STL Website Development specializes in minimalistic website development, maintenance, logo design, and copywriting services, ensuring a professional touch in every project. The agency's approach prioritizes collaboration and creativity. As such, STL Website Development brings the client's vision to life while [... view STL Website Development profile ]- Location
- St. Louis, Missouri
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 15 Projects Listed
Your Ambition, Our Algorithm.
Leznit Software is a forward thinking technology partner delivering custom software, web and mobile app development, SaaS products, UI/UX design, AI-powered solutions, and API integrations. Serving startups and enterprises across SaaS, fintech, healthcare, e-commerce, and more, we blend innovation w [... see all Leznit reviews ]- Location
- Vancouver, Canada
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
Trigger your Imagination!
Trigma is a leading software development company with over 15 years of industrial experience. We specialize in Custom Software Development, Mobile & Web App, Cloud Consulting, Artificial Intelligence, and AR/VR solutions. With a team of over 200 professionals, we deliver unique, cost-effective, [... see all Trigma reviews ]- Location
- Las Vegas, Nevada
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
TLVTech - Comprehensive technology solutions for all your needs
At our company, TLVTech, we specialize in providing comprehensive technological support for organizations, covering all aspects of technology. [... view TLVTech profile ]- Location
- Tel Aviv, Israel
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 21 Projects Listed
Custom Software Development
Coreteka is an IT services provider with R&D offices in Eastern Europe and 8 years of experience in custom software development. We have offices in Irvine (the USA), Wroclaw (Poland), and Kyiv (Ukraine). [... view CoreTeka profile ]- Location
- Irvine, California
- Number of Employees
- Under 49
- Portfolios Count
- 13 Projects Listed
- Smartym Pro is a full-cycle development company specialized in mobile application and enterprise web development. Company has strong development culture and focuses on innovative solutions, using cutting edge technologies and frameworks. Smartym Pro is located in Eastern Europe and consists primarily of [... see all Smartym Pro reviews ]
- Location
- Warsaw, Poland
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 9 Projects Listed
Excellence Beyond Borders
Accelerate your journey with Enyata's on-demand engineering teams . We'll get your ideas or projects up and running quickly. We develop user-centric solutions that are powered by our market research, agile sprints, and wide-ranging expertise. [... see all Enyata reviews ]- Location
- Toronto, Canada
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
Creating Impactful Software Solutions
Binmile is a globally recognized software engineering company that empowers businesses to excel digitally and craft successful software solutions. [... see all Binmile reviews ]- Location
- Noida, India
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 11 Projects Listed
Agile and Client Centric Software Development
Captus Technologies offers professional services since 11+ years for more than 2300+ website developed. We have worked variety of industries such as Retail, Real Estate, Logistics, Healthcare and many more. We have Developed 1100+ Brands across the world. Our certified mobile app developers is committed to [... view Captus Technologies profile ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $10/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 14 Projects Listed
Lets Scale Together.
Flexible Development Solutions for Dynamic Businesses. The result of years of custom software development and startup consulting. We offer a wide range of services tailored to help clients ease the process of scaling their businesses. We are committed to providing startups and small businesses with [... see all Scaleup Consulting reviews ]- Location
- Sydney, Australia
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 7 Projects Listed
- We build tech products that scale. [... see all Webamboos reviews ]
- Location
- Timișoara, Romania
- Number of Employees
- Under 49
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 5 Projects Listed
Build Your Intelligent Enterprise Business Applications
Fingent is a global custom software development company helping businesses turn their digital ambitions into reality. With over 20 years of experience, we specialize in building scalable, secure, and innovative technology solutions that drive operational excellence and business growth. [... see all Fingent reviews ]- Location
- White Plains, New York
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 5 Projects Listed
Get Your Software Testing Done with Savarian.tech
Savarian.tech is a forward-thinking and professional company that provides customers all over the globe with flexible terms and economical software testing services for every sort of software testing purpose imaginable. Savarian.tech is an experienced and dependable business partner for new businesses and [... see all Savarian.tech reviews ]- Location
- Dubai, United Arab Emirates
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
Ingenuity and Perfection, From Ideation to Creation.
At Asra Soft, we are committed to delivering excellence in every project. With a focus on quality, innovation, and customer satisfaction, we go above and beyond to exceed expectations and drive success for our clients. [... see all Asra Soft reviews ]- Location
- Bury St Edmunds, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
Transforming Businesses Into Brands.
We are a Full Service Digital Marketing Agency! Our team is technically and professionally equipped to make every brand a success story. [... view The MediaGale profile ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 16 Projects Listed
Simplifying Business Needs Using Technology
At Avidclan Technologies, we are at the forefront of merging innovation with excellence, delivering cutting-edge solutions in the realm of technology. Experience the pinnacle of technological advancement and unparalleled service at Avidclan Technologies. [... see all Avidclan reviews ]- Location
- Ahmedabad, India
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
Your Technology Partner in Growth & Innovation
Quokka Labs is an AI App development company specializing in AI-native web and mobile app development, known for delivering intelligent, innovative, and custom digital solutions. [... view Quokka Labs profile ]- Location
- Austin, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 35 Projects Listed
Award Winning Software Development Company
Incorporated in 2013, axiusSoftware is an Award Winning, ISO 9001 & ISO 27001 certified Software Development & Digital Consulting company, with registered offices in India, USA, Singapore and China [... see all AxiusSoftware reviews ]- Location
- Kolkata, India
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 13 Projects Listed
Engineered for Success
BeeSoul is a creative branding and web design studio dedicated to helping purpose-driven businesses and entrepreneurs thrive through intentional design. Specializing in visual storytelling, BeeSoul crafts soulful brand identities, strategic websites, and cohesive digital experiences that align with clients [... view Beesoul profile ]- Location
- Richmond, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 12 Projects Listed
Explore Software Development Specializations
- .Net
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