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
561 Companies - Rankings updated: April 02, 2026
Every agency featured on DesignRush is vetted for expertise and client satisfaction to support your decision-making. Some listings may be sponsored.
United States ×
For businesses focused on performance, scalability, and data security.
We specialize in developing high-performing websites and apps that handle large databases, high traffic, complex functionalities, and sensitive data. Our goal is to empower your business to scale seamlessly. [... view Orthoplex Solutions Inc profile ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 10 Projects Listed
The Innovation Specialists
Wrexa Technologies is an architect of digital innovation and a pioneer of transformation. Focused on driving progress and revolutionizing industries, our team brings cutting-edge expertise to every project. Our diverse skill set spans software development, blockchain technology, the Metaverse, fintech, and [... see all Wrexa Technologies reviews ]- Location
- Casper, Wyoming
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 15 Projects Listed
Bringing together passion and expertise!
Artezio is a well-established US-based custom development firm that offers a wide range of IT services to businesses worldwide. [... view Artezio profile ]- Location
- Princeton, New Jersey
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $26/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
Inspiring With Intelligence
We at 5Fusion Tech LLC, develop your best websites, software's and social media marketing and guide you throughout the process to facilitate your business and make it easy for your to other aspects of your business. [... view 5Fusion Tech profile ]- Location
- Houston, Texas
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Portfolios Count
- 1 Project Listed
Your Dedicated Ally in the World of Healthcare Credentialing.
Physician Credentialing Company specializes in streamlining provider enrollment and maximizing reimbursements, empowering healthcare practices to operate more efficiently. Our expert services ensure seamless credentialing processes that enhance the financial and operational success of medical providers. [... view Physician Credentialing Company profile ]- Location
- Rochester, New York
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
30 Years of Excellence in Delivering Future-Proof Software Solutions
Delivering world-class products to Fortune 500 companies and cutting-edge startups for over three decades, we have navigated every economic climate, optimizing production costs to provide our clients with exceptional ROI. [... view Waverley profile ]- Location
- Palo Alto, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 4 Projects Listed
Your AI-Driven Software Development Partner
Savvycom is an AI-driven software development and IT consulting company founded in 2009, helping enterprises design, build, and modernize digital systems that deliver measurable business outcomes. Recognized as one of Vietnams Top 10 Digital Technology Companies, Savvycom partners with organizations [... view Savvycom profile ]- Location
- Laguna Beach, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 9 Projects Listed
Custom software, mobile & web app development
HSTK helps visionaries stack their digital teams and products with nimble and savvy consultants-not-coders and proven product development strategy to deliver successful custom software, web and mobile app solutions. [... see all Haystack reviews ]- Location
- Indianapolis, Indiana
- Number of Employees
- Under 49
- Average Hourly Rate
- $175/hr
- Minimal Budget
- $10,000 - $25,000
Ai-Powered Software Development for a Smarter Future
AuspiciousSoft, based in Mohali, India, specializes in web and mobile development, offering custom solutions with modern techniques. Our expert team excels in website design, software development, SEO, graphic design, and digital marketing. We deliver high-performance, secure web solutions and focus on [... see all Auspicious Soft Pvt Ltd reviews ]- Location
- Lakewood, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- Under $1,000
Custom Software Developer | Top Rated | 100% US Based
Pell Software is a 100% US based company focused on building long term, authentic partnerships. We focus on learning about your specific business needs in order to find the best software solution that will help you scale your business. [... view Pell Software profile ]- Location
- Denver, Colorado
- Number of Employees
- Under 49
- Average Hourly Rate
- $135/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Building tomorrow with technology!
SaM Solutions is a software engineering company offering a range of services, including software development, IT consulting, and quality assurance. [... view SaM Solutions profile ]- Location
- Norwood, Massachusetts
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 6 Projects Listed
SEO, Content Marketing, Web Design and Social Media Management
Let us be your digital partner and guide your business to online success. We offer a comprehensive suite of services, including web design, SEO, content writing, and social media management. We leverage our expertise and focus on LinkedIn to help you achieve your online goals. [... view Factwise Agency profile ]- Location
- Torrance, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Innovative Web & Custom Soft Development Solutions
DESIGN, DEVELOP, DEPLOY!!! The PRIME is a team of highly skilled and experienced professionals in the field of Web Development and Custom Software Development PRIME means - Punctuality, Quickness, Honesty and Professional work! WE HAVE GOT YOU COVERED!!! [... view PRIME IT profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 4 Projects Listed
Full Service - Mobile App, Software & Web Development Company
As a leading mobile app and software development agency, Mystic Media continuously monitors the latest trends to anticipate future technological growth. Our team of senior programmers, engineers, app designers, digital marketers, and graphic designers have years of experience creating industry-leading [... view Mystic Media profile ]- Location
- Sandy, Utah
- Number of Employees
- Under 49
- Average Hourly Rate
- $160/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 12 Projects Listed
Full Service Web & Software Development Agency
CodeBlu Development delivers custom web, software, and app solutions designed to solve complex challenges. We build what others wont, crafting innovative and tailored digital experiences to exceed expectations. [... see all Codebludev reviews ]- Location
- Cincinnati, Ohio
- Number of Employees
- Under 49
Custom Enterprise Software Development Company in USA
Custom Software Development and IT Consulting Company [... view Tekki Web Solutions Inc profile ]- Location
- San Jose, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
Every Move Is for the Product.
Ardas is a SaaS-centric shop with a focus on reaching business success rather than technologies or methodologies. [... view Ardas profile ]- Location
- Irvine, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 11 Projects Listed
Improve your online presense through coding
Noventum offers an all-in-one service, from building and maintaining software and website, to branding and marketing support to improve your online presence. [... view Noventum Custom Software Development profile ]- Location
- Albuquerque, New Mexico
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Portfolios Count
- 5 Projects Listed
Empowering Tomorrows Innovations Today
At Tech Admire, we are more than just a company, we are a dynamic force of creativity, aspiration, and enthusiasm. Established to provide cutting edge services and IT solutions, Tech Admire brings together extensive experience and a dedicated team committed to driving growth and innovation in every project. [... see all Tech Admire reviews ]- Location
- Bartlett, Illinois
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
Infinite Possibilities with Technology
Kellton is a publicly listed, CMMI Level 5, and ISO 9001:2015 certified global company, providing cutting-edge AI and digital transformation solutions and services in strategy, consulting, digital, and technology. [... view Kellton profile ]- Location
- Reston, Virginia
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 8 Projects Listed
Powering Houston & Beyond With Innovative Software.
At Houston IT Developers LLC, we specialize in web design, mobile app development, and SEO driving real results. From startups to Fortune 500 companies, our team of experts is dedicated to transforming your vision into reality with innovative designs, seamless functionality, and unmatched support. [... view Houston IT Developers LLC profile ]- Location
- Conroe, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 1 Project Listed
Trusted Software Partner For Global Businesses
Enterprise Software Development and Maintenance Services Provider [... view MLTech Soft profile ]- Location
- California City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 10 Projects Listed
A Technology Company Engineering What's Dynamic and Innovative
At Metafic, we deliver cutting-edge digital solutions, from Low-Code and Mobile to Web and AI-Driven Apps, along with Custom Software and Unlimited UI/UX Design Revisions on a subscription basis. With a 97% on-time delivery rate, we have completed over 500 successful projects worldwide. [... view Metafic profile ]- Location
- Cheyenne, Wyoming
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $21/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 5 Projects Listed
Delivering Technology Solutions.
Since its inception in 1999, Drish Infotech has been a pioneer in delivering cutting-edge technology solutions globally. Headquartered in Silicon Valley with an additional office in Saratoga, CA, and a proficient backend development team in Chandigarh, India, Drish has firmly established itself as a prominent [... view Drish Infotech profile ]- Location
- Saratoga, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 10 Projects Listed
transforming the business ecosystem
We have unique programs to help businesses, entrepreneurs, founders and investors with the help they need to achieve success. [... view 3to60 profile ]- Location
- Tempe, Arizona
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 1 Project Listed
We Make IT Happen
7L International is a digital transformation consulting and custom software development firm that has been enabling more than 100 organizations around the world to evolve and thrive in the constantly shifting market reality. [... view 7L International profile ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $80/hr
- Minimal Budget
- $10,000 - $25,000
Your Software Product Development Partner
Velotio Technologies is an outsourced software product development partner for technology startups and enterprises. We combine innovative ideas with business expertise and the latest transformational technologies to drive business success for our customers, help them put their customers'​ needs at the core [... view Velotio Technologies profile ]- Location
- San Ramon, California
- Number of Employees
- 250 - 499
- Minimal Budget
- Under $1,000
We Take Your Ideas Forward
Aximsoft from San Ramon California, is the partner of choice for many of the world’s leading enterprises and emerging startups, delivering technology solutions right from ground-up. Be it product design, engineering or product marketing, we’ve got it all covered! From Printing to Energy, Automobile to [... view Aximsoft profile ]- Location
- San Ramon, California
- Number of Employees
- 100 - 249
Development & Design
Altia provides state-of-the-art GUI development and code generation tools for embedded displays. [... view Altia profile ]- Location
- Colorado Springs, Colorado
- Number of Employees
- 100 - 249
Custom Software Services and Solutions
Logikos provides custom software services, specializing in embedded, desktop, web, and mobile software solutions, as well as software testing services. [... view Logikos profile ]- Location
- Fort Wayne, Indiana
- Number of Employees
- 100 - 249
- Minimal Budget
- Under $1,000
Software Experts
KNOWARE develop custom mobile apps, integrate APIs and supercharge your SEO in the Indianapolis and Chicago markets. [... view Knoware profile ]- Location
- Lafayette, Indiana
- Number of Employees
- Under 49
Global IT & Software Solution Company
We have extensive global resources, deep industry, business process, and technological expertise, as well as a track record of producing uplifting success tales for businesses all over the world. [... view Taction Software profile ]- Location
- Chicago, Illinois
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $25,000 - $50,000
Enhancing Quality Engineering through AI-Powered Test Automation
ImpactQA specializes in Robotic Process Automation (RPA) services to enhance business process automation. We leverage AI, RPA tools, and next-gen automation procedures to optimize your operations and reduce time-to-market. [... view ImpactQA profile ]- Location
- Houston, Texas
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Empowering Your Product Team
DLYMI is a full-service, collaborative, human-centered design studio. We work with clients from vision through execution and release. We are your partner in creating thoughtful digital experiences that have a responsible impact on the world while delivering on business goals and customer value. [... view Design Like You Mean It profile ]- Location
- Denver, Colorado
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $10,000 - $25,000
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
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
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
- Pleasanton, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
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
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
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
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
- Virginia, Washington
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $35/hr
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
- San Jose, California
- Number of Employees
- 100 - 249
- Minimal Budget
- $10,000 - $25,000
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
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
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
- St. Louis Park, Minnesota
- 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
- Salt Lake City, Utah
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 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
Latest Trends Related to Performance Testing
-preview.jpg)
Software Development
In-House vs. Outsourcing Software Development: What to Choose for Your Company
1,995
