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
Each agency listed on DesignRush is assessed for industry expertise and customer testimonials are evaluated in order to provide you with a vetted selection. Certain listings represent paid partnerships.
United States ×
We Are Your Dedicated Shopify Team
Scalater is a team with a win-win philosophy, so we'll help you get the most out of your Shopify store. We've helped other companies achieve six-figure profits; it's time to scale. [... view Scalater profile ]- Location
- Austin, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $1,000 - $10,000
Engineering Intelligent & Scalable Solutions.
VentureDive is an award-winning custom software development company dedicated to spearheading digital transformations for Fortune 500 companies across BFSI, CPG/retail, healthcare, transportation, logistics, and QSR industries through its expertise in the realms of Fintech, Data & AI, HealthTech, PropTech [... view VentureDive profile ]- Location
- Mountain View, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
Building Intelligent Healthcare Solutions for a Better Tomorrow
Dash Technologies is a strategic technology partner for MedTech innovators, Digital Health platforms, Life Sciences enterprises, and the broader healthcare ecosystem including providers, patients, payers, pharmaceutical companies, and medical device manufacturers. [... see all Dash Technologies reviews ]- Location
- Columbus, Ohio
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 7 Projects Listed
- Our Mission : To Deliver Integrated, Vibrant and Streamlined ѕоlutіоnѕ for clients across the Globe, By maintaining Honesty, Transparency, and Trust with fair margins. [... see all Mobulous Technologies reviews ]
- Location
- New Castle, Delaware
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
We Make It Easy To Build Next-Generation Digital Products
We at PowerPhrase Web Design Services provide performance testing, responsive web design services aimed at crafting websites that will remain aesthetically pleasing & user-friendly, regardless of the platform being used. [... view Powerphrase profile ]- Location
- Santa Ana, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Where Your Vision Meets Software Mastery
Tateeda is a company specializing in custom software development and staff augmentation services, with a skilled workforce of 100+ seasoned engineers. [... view TATEEDA profile ]- Location
- San Diego, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $65/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 1 Project Listed
Your Innovation Partner
ITRex delivers end-to-end AI and data solutions from strategic planning to real-world deployment. The companys expertise spans LLM integration, RAG, copilots, SLMs, and autonomous AI agents, all engineered for reliability and scale. [... see all ITRex Group reviews ]- Location
- Aliso Viejo, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 5 Projects Listed
Your Trusted Partner for Outsourcing IT Projects
TPLEX is a software outsourcing company. We provide companies with top tech talent and product development expertise. [... view Tplex profile ]- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
Transform the Way You Do Business.
We look for quality IT people for many information technology careers and projects, including for our information technology consulting practice for projects around the globe. [... see all Performix reviews ]- Location
- Edina, Minnesota
- Number of Employees
- 50 - 99
- Minimal Budget
- $1,000 - $10,000
Anchored by Innovation
Since 2016, Anchor Points has crafted digital solutions that inspire and perform. We specialize in Website Development, Digital Marketing, Drupal, WordPress, and Custom Web Apps, blending creativity and strategy to drive results. [... see all Anchor Points reviews ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 8 Projects Listed
We Convert Ideas Into Realities.
Introducing Develoware: A game-changing catalyst for businesses. Empowering visionary leaders and their teams with state-of-the-art development tools and unparalleled integration capabilities. Embrace the power of innovation, streamline operations, and achieve unprecedented growth. Elevate your business with [... view Develoware profile ]- Location
- Groveland, Florida
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Dont settle for off-the-shelf. Expertly crafted & custom-tailored software from the USA.
K-Optional Software: where your success is our success. From secure solutions that scale to an uncompromising focus on return on investment, we're the company that delivers. Dont settle for off-the-shelf. Expertly crafted & custom-tailored software from the USA. [... see all K-Optional Software, LLC reviews ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $50,000 & Up
Ranked #1 Software & App Development Company
Vrinsoft is the most promising IT solution providing company, based in India which is a one-stop shop for all your business needs. We are a Microsoft certified IT company, which besides rendering professional and comprehensive business solutions also cater a range of services in mobile technologies. [... see all Vrinsoft Technology reviews ]- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 16 Projects Listed
Top Rated Salesforce Development Company
We are a boutique consulting and technology firm having offices in US and India. We craft custom cloud based software and mobile digital solutions for enterprises. Our objective is always to create remarkable value for our clients (and their customers) by leveraging cloud and mobile technology, digital media [... view Techila Services profile ]- Location
- Boca Raton, Florida
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
Designing and Development Made Easy
We believe enhanced product designs integrated with advanced technology can significantly propel business growth and market expansion. We're committed to addressing our client's needs, providing unparalleled customer service, and delivering exceptional product quality through cutting-edge technology [... view EZ Digital profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Remote Technology Teams for Exponential Growth
Ajackus is your one-stop solution for all your engineering needs. We have a team of talented engineers across India who can be quickly hired, trained and aligned to your business needs. [... view Ajackus profile ]- Location
- Boston, Massachusetts
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 10 Projects Listed
Digital Health Product Development, Data Analytics, and AI
Estenda is a custom software development, data analytics, and AI firm focused on digital health. For 20+ years, Estenda has created award winning innovate software solutions for our customers combining our deep understanding of digital health, software development, data analytics, and AI expertise. [... view Estenda Solutions profile ]- Location
- Wayne, Pennsylvania
- Number of Employees
- Under 49
- Average Hourly Rate
- $70/hr
- Portfolios Count
- 5 Projects Listed
Building future-proof software
We deliver transformative technologies to some of the worlds most recognized brands. We work with the top performance management vendors including OneStream, Angular, Ionic, Azure, React, Oracle to automate and optimize your business processes, and make your work simpler and more efficient. [... view Tevpro profile ]- Location
- Houston, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 4 Projects Listed
Mobile & Web App Development Healthcare/HIPAA
We specialize in scalable, cloud-based web and mobile app development, with a strong focus on healthcare. [... view Technology Rivers profile ]- Location
- Reston, Virginia
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Portfolios Count
- 10 Projects Listed
Premier Web and WordPress Development Agency
Experience unparalleled development in WordPress, Mobile, Salesforce, and E-Commerce with TSC America, the leading technology agency in America. With over two decades of expertise, we specialize in Salesforce development and deliver innovative app solutions for a diverse range of clients. [... view TSC America profile ]- Location
- Hightstown, New Jersey
- Number of Employees
- Under 49
- Average Hourly Rate
- $65/hr
- Portfolios Count
- 1 Project Listed
Build faster. Hire smarter. Think bolder.
Tech partners for startups and enterprises. AI hiring, product dev, and real growth no hype, just results. [... view Activeone profile ]- Location
- Orlando, Florida
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
Revolutionize Your Business Online Presence With Us.
We are an Affordable Digital Marketing Agency in Shawnee with budget-friendly solutions to amplify your brand. RevoluteX Digital: Your digital success catalyst! Specializing in Google marketing, website development, and social media magic, we craft online experiences that captivate and strategies that [... see all RevoluteX Digital reviews ]- Location
- Shawnee, Kansas
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Your gateway to bespoke technology solutions that propel your business into the future.
At Colchuck Consulting, our mission is to drive growth and innovation through tailored technology solutions. Founded by industry experts, our agency offers a unique blend of skills and knowledge, providing a boutique experience with cutting-edge technology and strategic support to maximize your ideas and [... view Colchuck Consulting profile ]- Location
- Burien, Washington
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 3 Projects Listed
Let's Grow Your Brand.
At Depth Search, we serve as your guiding force in the dynamic and ever-evolving digital landscape. Driven by a commitment to precision and innovation, we delve into the intricacies to create exceptional websites and robust mobile apps that not only fulfill your requirements but surpass your expectations. Our [... view Depth Search profile ]- Location
- Sunny Isles Beach, Florida
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 3 Projects Listed
Your Partners in Success.
Quest Global Technologies is a global leader in development & consultation of cutting-edge Blockchain, Metaverse, AR/VR, QA, Automation, Salesforce & Web3 advancements. [... see all Quest Global Technologies Ltd reviews ]- Location
- Gilbert, Arizona
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Software development. Done right,First Time.
Softura is a leading IT Services company with 25+ years of experience in the US and in India, delivering solutions across many industries and verticals. Powered by 300+ professionals we Discover, Define, Develop, and Deliver high-quality custom software solutions both On-Shore and Off-Shore. [... view Softura profile ]- Location
- Farmington Hills, Michigan
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
Unlocking Digital Strategies For Local and FinTech Brands
At Uniweb, we're more than a digital agency; we're your dedicated allies in the ever-evolving digital landscape. Our commitment to excellence and results drives us to combine creativity, technology, and strategic insight to elevate local businesses and global FinTech projects. [... view Uniweb Digital Agency profile ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 8 Projects Listed
Brining symphony and development together!
Sonatafy Technology offers a range of nearshore software development services, specializing in cloud solutions, web and mobile software applications, Google app engine development, e-commerce, big data, DevOps practices, quality assurance (QA), Internet of Things (IoT), and machine learning. [... view Sonatafy Technology profile ]- Location
- Las Vegas, Nevada
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 6 Projects Listed
We deliver your ideas.
Cheric Information Network Technologies PVT LTD specializes in dynamic digital marketing services designed to catapult your business growth and elevate your online presence. With our expertise and tailored strategies, we empower businesses to thrive in the digital landscape and achieve unprecedented success. [... view Cheric Information Network Technologies Pvt. Ltd. profile ]- Location
- Jacksonville, Florida
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Portfolios Count
- 3 Projects Listed
Apt solutions in a digital age
At Apt Tech Studio, we believe that technology should work for you, not the other way around. Founded with the mission to simplify complex challenges, we offer a comprehensive range of software solutions designed to optimize business operations, drive innovation and create sustainable growth. We're on a [... view Apt Tech Studio profile ]- Location
- Dover, Delaware
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 8 Projects Listed
Strategic Software, Startup Speed
Mile Marker is an agile development agency offering startups strategically designed custom software focused on solving your business problems. Mile Markers team includes product managers, developers, designers, QA, DevOps and more. [... see all Mile Marker reviews ]- Location
- Madison, Wisconsin
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Accelerate Your Digital Transformation.
Coderio helps companies of all sizes, from Fortune 500 to SMBs, across the Americas accelerate their digital transformation. Their services are tailored to accomplish objectives through expert knowledge, problem-solving, and streamlining deliverables. [... view Coderio profile ]- Location
- Miami, Florida
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
Web & Mobile App Design & Development Hub owned by Disabled Veteran (SDVOSB)
App Design 360s custom web, mobile & software design & development company. We engaged with our customer to provide evidence based strategic solutions, customer friendly UI design and best-in-class customized digital experiences for tomorrow. We have been formed as a team for 6 years of industry specialized [... view App Design 360 profile ]- Location
- Teaneck, New Jersey
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 12 Projects Listed
Digitizing Businesses Across Continents Unleash Solutions & Ignite Success
Go Tech Solutions is your gateway to a transformative digital future. We offer cutting-edge IT solutions and services to SMEs and large businesses, that foster efficiency, growth, and innovation. [... view Go Tech Solutions profile ]- Location
- Pearland, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 12 Projects Listed
Web and Mobile App Development Company
Logic Square Technologies is a leading Web and App Development company who provides services in India, USA, UK, and Australia. [... see all Logic Square Technologies reviews ]- Location
- Kokomo, Indiana
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
Engineering Peace of Mind in Regulated Industries
Binariks is a global technology consulting and engineering company focused on regulated industries. We architect secure, audit-ready digital platforms for Healthcare, Pharma & Life Sciences, and Insurance where compliance, data integrity, and operational resilience are non-negotiable. [... view Binariks profile ]- Location
- Torrance, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 14 Projects Listed
20+ Years of Custom Software!
Rubico is passionate about creating websites, web applications and mobile apps! With offices in the US and India, we are well equipped to help any business achieve its development goals! [... view Rubico profile ]- Location
- Austin, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 14 Projects Listed
Do Great Things Personally and Professionally
Transforming business through bespoke software, Jahnel Group excels at creating impactful applications, especially in sectors like finance, healthcare, and media. Our skilled developers specialize in digital product design and development, from UX/UI to web and mobile applications, backed by expertise in [... view Jahnel Group profile ]- Location
- Schenectady, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $125/hr
- Portfolios Count
- 5 Projects Listed
Where Technology Meets Creativity
TechnBrains is a Dallas-based agency that helps business leaders and CTOs build better software, faster. We provide the senior talent you need to grow your engineering capacity without the stress of long-term recruiting or the high overhead of local hiring. [... view Technbrains profile ]- Location
- Dallas, Texas
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 6 Projects Listed
Digital Business transformation Consulting and services
With HR Tech, FoodTech, And Software Solutions, Captivix helps companies transform their business through advanced digital solutions. We provide the strategic insight, technical expertise, and industry experience of working with over 100 clients, including many Fortune 500 companies. [... view Captivix profile ]- Location
- Chicago, Illinois
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $80/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 1 Project Listed
Software, Mobile App, Games Development Company.
The App Founders is a recognized leader in the mobile app development industry that excels in building mobile apps to upscale your business and bolster your customer retention rate. Well transform your idea into a market-ready application on schedule and within budget. [... view The App Founders profile ]- Location
- Santa Clara, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 16 Projects Listed
Anmel Transforms_ Digital Success.
Anmel is proven to boost productivity by up to 60% and efficiency by 45% for startups and enterprises alike. Trusted by businesses globally, Anmel delivers tangible results, driving success and growth in today's competitive market landscape. [... see all Anmel reviews ]- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $25,000 - $50,000
Techugo, a mobile application development company
Techugo, a mobile application development company is focused on converting your business dreams into reality. Our brood of enthusiastic developers & QA analysts works dedicatedly, which leads your business towards its success. We have the perfect ingredients to create an immaculate application for your [... see all Techugo reviews ]- Location
- Dulles, Virginia
- Number of Employees
- 250 - 499
- Portfolios Count
- 12 Projects Listed
Premium software consultancy: Scaleups & Enterprises
Premium software consultancy: Scaleups & Enterprises.Blockchain | DeFi | Biotech | FinTech | EduTech | HealthTech. From stunning product design to flawless code. We help you win! [... view 10Clouds profile ]- Location
- Northville, Michigan
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 11 Projects Listed
Providing Custom AI Software Solutions & Fractional Tech Leadership
Boro Dev Agency helps non-technical founders turn ideas into working software fast. We combine fractional tech leadership with a vetted network of 750+ developers, designers, and AI specialists to deliver high-quality prototypes, apps, and automationson time, on budget, and built to scale. Transparent, fast [... view Boro Dev Agency profile ]- Location
- Rockvale, Tennessee
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 5 Projects Listed
The art of software development.
Custom software development company specialized in web, desktop and mobile development, UI/UX design, CRM integrations. [... view BART Solutions profile ]- Location
- Sheridan, Wyoming
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 7 Projects Listed
Custom Software Development
NIX is a global software engineering company with over 3,000 professionals, delivering solutions that help everyone from SMBs to large enterprises scale, streamline operations, and achieve measurable results. [... view NIX profile ]- Location
- Tampa, Florida
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 8 Projects Listed
Make IT Simple
Founded in 2006, Kryptos was conceived with the goal of emerging as a prominent IT services firm in both the United States and India. [... see all Kryptos Technologies reviews ]- Location
- Arlington, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
Comprehensive Software Solutions, All in One Place!
We deliver innovative software solutions that bring your passion projects to life, enabling them to ignite, grow, and thrive. Whether you need stunning web design or a sophisticated custom software system for your institution, we've got you covered. [... see all Element Media reviews ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
A No Code Launching of Your Ideas
With our no-code tool expertise, including Bubble.io, Webflow, Adalo, Glide, and many more, we can turn your ideas into reality in just a few weeks! Our services include the discovery stage (business analysis), UX/UI design, website development, and mobile and web app development. As a part of the Uptech [... view Sommo profile ]- Location
- Dover, Delaware
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 8 Projects Listed
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