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
1,243 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.
In a world full of sunsets, we are the Northern light.
Discover Kindgeek, the one-stop-shop product development partner. Trusted by 200+ companies, we empower finance businesses with digital innovation. From idea to execution, we lead fintech product journeys, offering custom and white-label solutions. [... see all Kindgeek reviews ]- Location
- Lviv, Ukraine
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 62 Projects Listed
Software Testing Agency - Helping Businesses Attain Impeccable Software Quality Since 2015
We help businesses gain confidence in their products on a demo day, spot critical bugs before they travel to prod, and speed up software releases in a secure way. Our QA team is skilled in manual and automated testing of web2, web3, mobile, SaaS, and games.So far, weve tested over 300 projects. [... see all QAwerk reviews ]- Location
- Kyiv, Ukraine
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 12 Projects Listed
Your Product Engineering & Gen AI Partner
Simform is a premier product engineering services company specializing in Cloud/MACH architectures, DevOps automation, Data Engineering, Generative AI and Machine Learning to create seamless digital experiences and scalable products. [... see all Simform reviews ]- Location
- Orlando, Florida
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 8 Projects Listed
Strategic Technology Partner
Moving past IT Outsourcing, let us become your Strategic Technology Partner who will have you covered and kindle your digital innovations. [... see all Synodus reviews ]- Location
- Hanoi, Vietnam
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $18/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 16 Projects Listed
Hybrid App Excellence For All Business Sizes
Brainvire: Your Trusted Partner for Hybrid App Development. [... see all Brainvire Infotech reviews ]- Location
- Irving, Texas
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 39 Projects Listed
Launching Startups that get Success Stories
Full cycle software development company that launches high-quality digital products with Lean Startup approach. In other words, we are building scalable apps in a wise staged approach that allows to save money and time and still have high-quality product. [... see all You Are Launched reviews ]- Location
- Limassol, Cyprus
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 13 Projects Listed
Ruby on Rails Development Company
Rubyroid Labs is a software development company specializing in Ruby on Rails, React Native and UX/UI Design. since 2013. We architect end-to-end services for both large enterprises (Mastercard, Volvo, Toyota) and leading startups from Y Combinator and Seedcamp. [... see all Rubyroid Labs reviews ]- Location
- Warsaw, Poland
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 27 Projects Listed
Premium Software Development & Tech Recruitment Services
IT managed services, offshore team in Poland , Romania , and LATAM , highly-technological clients with ultra high satisfaction. [... see all DevsData Tech Talent reviews ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $55/hr
- Portfolios Count
- 15 Projects Listed
Powering Digital Transformation with Custom Mobile Solutions
Solution Analysts is a leading digital transformation and enterprise software development company, specializing in custom solutions that drive innovation. [... see all Solution Analysts reviews ]- Location
- Suwanee, Georgia
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 66 Projects Listed
Award-Winning AR / VR / XR / AI / WebGl Experiences
Groove Jones is an innovative technology company that specializes in creating AI/VR/AR software solutions for a wide range of industries, including advertising, entertainment, marketing, health, and training. [... see all Groove Jones reviews ]- Location
- Dallas, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 26 Projects Listed
We Build Brands, We Generate Leads & We Build Bridges!
GO LOGO NOW has perfected the ideation and pronouncements of technology over the years by drinking the cocktail of motivation, innovation, materialization and amalgamation, with addition of exhaustive research, steady tread and rigid dedication. [... see all Go Logo Now reviews ]- Location
- Irvington, New Jersey
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 14 Projects Listed
Dreams Have No Limits In A Digital World
Why not try some top quality UK delivery. Zudu is an award-winning, industry-leading, software development agency based in London and Dundee. Our specialist team create jaw-dropping digital experiences and develop successful products. [... see all Zudu reviews ]- Location
- Dundee, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 20 Projects Listed
Powerful Web and Mobile Apps Start-to-End
Proud 2024 Webby Award winner in the Responsible AI category and winner of the European Technology Awards for App Development in 2021. [... see all Wolfpack Digital reviews ]- Location
- Cluj-Napoca, Romania
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 68 Projects Listed
High Voltage Code Since 2010
ELEK+RIK: Web App Development, Mobile App Development for iOS & Android, AI Integration & Development Experts for Long-Term US Projects since 2010 [... see all ELEK+RIK reviews ]- Location
- Fort Lauderdale, Florida
- Number of Employees
- Under 49
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 18 Projects Listed
Excellence In Software Engineering
Emerline is an innovative global software engineering company that delivers full-cycle development services worldwide. [... see all Emerline reviews ]- Location
- Miami, Florida
- Number of Employees
- 500 - 999
- Portfolios Count
- 25 Projects Listed
Innovative, Reliable and Affordable
We build custom Software Solutions, Mobile Apps, Content Management Systems, Document Management Systems, Customer Relationship Management Systems (CRM), Enterprise Resource Planning (ERP), E-Commerce Software Development, Web Product Development, IT Consulting Services, Web Designing & Development. [... see all Hexagon IT Solutions reviews ]- Location
- Salt Lake City, Utah
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 5 Projects Listed
Reforming Tomorrow's Tech
Empowering California Businesses with Bespoke Web Design and Development Services. [... see all Tech Reforms reviews ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 11 Projects Listed
Expert-Vetted - TOP 1% in Mobile App Development
Kevych Solutions isn`t just a software development team - we`re your partners in creating innovative, high-quality digital solutions that truly make an impact. [... see all Kevych Solutions reviews ]- Location
- Lviv, Ukraine
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 33 Projects Listed
Mobile and software app development executed with perfection!
TVISHA is a dynamic technology company that envisions and crafts innovative digital solutions. With an unwavering commitment to excellence, we stand as a trusted partner on the forefront of technological evolution especially mobile and publishing app development. [... see all Tvisha Technologies reviews ]- Location
- Edison, New Jersey
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $10/hr
- Portfolios Count
- 5 Projects Listed
Lets build some tech together!
Guiding and helping businesses worldwide build solutions that sell. Genetech is an award-winning custom software development company with almost 2 decades of experience in delivering top-notch tech services, including AI, IoT, Intelligent Apps, Cyber Security, and Tech Talent. [... see all Genetech Solutions reviews ]- Location
- Ann Arbor, Michigan
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 37 Projects Listed
The undisputed authority on BLE Bluetooth IoT and AI App Development
We are the undisputed authority on Bluetooth BLE, IoT, and AI applications. Our Bluetooth and AI applications have proven to be very effective to clients across the United States and Europe. Call us for a free technical consultation and evaluation of your project. [... see all Quartus Technology, Inc reviews ]- Location
- Westport, Connecticut
- Number of Employees
- 50 - 99
- Portfolios Count
- 16 Projects Listed
Where Brands Take Flight Through Exceptional Web Design!
At Rootless Agency, we're a full-service digital agency based in the Greater Boston area, specializing in web design, social media management, digital marketing, and branding. Our mission is to craft digital experiences that boost business growth and pave the way for innovative technologies. [... see all Rootless Agency reviews ]- Location
- Hudson, Massachusetts
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 11 Projects Listed
Empowering Innovation Through IT Solutions.
iVelopment delivers cutting-edge IT solutions that drive business success. With a focus on personalized service and innovative technologies, we provide tailored software development, systems integration, and IT staffing to help companies stay ahead in a rapidly evolving digital landscape. [... see all IVelopment, Inc reviews ]- Location
- Rosario, Argentina
- Number of Employees
- Under 49
- Portfolios Count
- 4 Projects Listed
A Trusted Partner for Cutting-Edge and Imaginative IT Solutions!
Come explore the world of IT solutions with ChawTech Solutions, the hub of dependability, innovation, and creativity. Since 2016, we have paved our way to becoming one of the top providers in the industry. Trust us to bring our wealth of knowledge and experience to amplify your projects and efforts to new [... see all Chawtech Solutions reviews ]- Location
- Noida, India
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Transform Fast: Your App on iOS & Android Awaits!
KodersPedia is a Palo Alto, California-based mobile app development company specializing in end-to-end digital solutions. Founded in 2020, the company offers services including mobile app development, game app development, website development, and staff augmentation. KodersPedia caters to a diverse range of [... see all Koderspedia reviews ]- Location
- Palo Alto, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 13 Projects Listed
Infograins Software Solutions, Innovate, Automate, Dominate
Infograins Software Solutions Pvt. Ltd., established in 2013 by Ajay and Vipin Shukla, delivers innovative IT services, including blockchain solutions, mobile app development, custom software development, staff augmentation, and AI integration. Our dedicated team provides goal-oriented solutions. [... see all Infograins reviews ]- Location
- Chicago, Illinois
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Developing Partnerships
At Kaizen Softworks, were here to make your business thrive with custom software solutions. Our team is a blend of skilled designers, software engineers and scrum masters who are dedicated to transforming your business challenges and ideas into effective software solutions. [... see all Kaizen Softworks reviews ]- Location
- Boston, Massachusetts
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $25,000 - $50,000
Techforce Global: Your Catalyst for Seamless Solutions
Techforce Global: Your partner for government custom software development, React Native development and more. Offering comprehensive services across industries with a global presence and a focus on scalable, intelligent solutions. [... see all Techforce Global reviews ]- Location
- Naperville, Illinois
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $26/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 20 Projects Listed
Your AI-powered Engineering Partner
Instinctools is a leading AI and digital product engineering company with 25+ years of experience. Their services include AI-driven custom software development, advanced data analytics, and digital product engineering. Specializing in end-to-end AI integration, they help businesses harness the powe [... see all Instinctools reviews ]- Location
- Potomac, Maryland
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 61 Projects Listed
Software Engineering Laboratory
SENLA is the leading provider of Talent Augmentation in Europe, with a team of 700+ tech experts. Trusted by BOSCH, IKEA, Bayer, and Deloitte, we help scale tech teams with skilled engineers, architects, and data scientists. [... see all SENLA reviews ]- Location
- Warsaw, Poland
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 36 Projects Listed
Solving Complex Problems of the World Through AI
Discover the Unlimited possibilities of innovation and cutting-edge Mobile, Web, Game, & Embedded technologies with EzappSolution. [... see all Ezappsolution reviews ]- Location
- New York City, New York
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Your links to the world of I.T | Custom Software Development and Mobile App Development Experts
Linkitsoft is a leading provider of custom software solutions and mobile app development services. With a team of highly skilled professionals, we specialize in crafting innovative and cutting-edge solutions tailored to meet the unique needs of our clients. Experience to deliver exceptional results. [... see all LinkitSoft reviews ]- Location
- Austin, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Portfolios Count
- 14 Projects Listed
Solving What Matters with AI
Ailoitte is an AI-native engineering partner helping startups and enterprises build, modernize, and scale digital products with faster, more predictable outcomes. [... see all Ailoitte reviews ]- Location
- Dover, Delaware
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects Listed
Mobile & Web Development Company
Surf develops client and corporate solutions from scratch, covering native and cross-platform mobile apps, web apps and services, AR and ERP systems. Over 13 years, we've built apps for KFC, Mars, The Home Depot, Burger King, SAP, plus over 200 other brands. [... see all Surf reviews ]- Location
- Wilmington, Delaware
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 10 Projects Listed
Transform Your Business Ideas Into Digital Solutions
Empowering your business through custom software solutions [... see all ILeaf Solutions reviews ]- Location
- Austin, Texas
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 23 Projects Listed
We Build. You Trust.
Kodevent is a US-based software company providing top AI developers and custom solutions built with GPT-4, Claude, Gemini, and LLaMA. We deliver intelligent software to help you launch, grow, and accelerate your businessfocusing on clear communication and lasting partnerships. [... see all Kodevent reviews ]- Location
- Sheridan, Wyoming
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
Your AI Apps & eCommerce Solution.
ECA Tech delivers professional, cost-effective AI application development for agencies across the USA and Canada. We build custom AI software that scales your operations and enhances client value, combining technical excellence with bespoke solutions to drive exceptional results. [... see all ECA Tech Inc. reviews ]- Location
- Toronto, Canada
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Delivering On Promises
We have been around for the last 23 years offering AI-driven solutions, Custom Mobile App Development, Tailored Software Solutions, and Enterprise Web Solutions catering to clients' needs. We Care for your Success -that is our reason to exist. Let's Talk about your dreams and we will deliver! [... see all Fullestop reviews ]- Location
- Jaipur, India
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 28 Projects Listed
Strategic Technology Partner for Custom Software & Mobile Development
Techstack is a strategic technology partner with 10+ years of expertise in mobile and custom software development. We build, scale, and evolve high-quality digital products through strong engineering culture, transparency, and long-term growth focus. [... see all Techstack Company reviews ]- Location
- Wroclaw, Poland
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 24 Projects Listed
Experts at Your Service
Alt Digital Technologies is a B2B service provider servicing end to end development, DevOps, Testing and e-commerce solutions for your business. We work efficiently in ATG, Java, React, Salesforce, WordPress and majorly all technologies. [... see all Alt Digital reviews ]- Location
- Florida City, Florida
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 8 Projects Listed
Superior Business Solutions
Sigma Software specializes in developing software and is a globally distributed team of more than 2000 skilled IT professionals, spanning 12 countries including the USA, Sweden, UK, Canada, Israel, Singapore, UAE, Australia, Austria, Ukraine, and more. With a track record of over 20 successful years, we take [... see all Sigma Software reviews ]- Location
- Lviv, Ukraine
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 14 Projects Listed
Most Trusted & Award Winning IT Firm
IIH Global offers innovative web, software, and mobile app development services tailored to your needs. As a trusted UK-based agency, we deliver reliable, scalable, and client-focused solutions to transform ideas into powerful digital products that drive growth, efficiency, and success. [... see all IIH Global reviews ]- Location
- Rickmansworth, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 17 Projects Listed
Painless software development
Organizing the teamwork with the client, we dive deep into their business needs and find the optimal way to reach the final goal with software. [... see all IntexSoft reviews ]- Location
- Herford, Germany
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 22 Projects Listed
We provide efficient software solutions tailored to your business needs.
SmartTek Solutions is a software development company that delivers software products, biotech, managed IT outsourcing services, and solution engineering to world-renowned customers. [... see all Smart Tek SAS reviews ]- Location
- Austin, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 36 Projects Listed
Shopify/Plus | Web Development | AI Development | UX/UI design | Custom Development
DigitalSuits is a full-cycle ecommerce agency with a focus on Shopify development and extensive expertise in AI development, web development, and custom software development. [... see all DigitalSuits reviews ]- Location
- Miami, Florida
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects Listed
HIGH QUALITY SOFTWARE COMPANY IN VIETNAM
With over 10 years of expertise, AgileTech Vietnam stands at the forefront of delivering innovative technology solutions across a wide range of industries. Our team of 300+ skilled developers has completed more than 1,000 successful projects, ranging from dynamic startups to large-scale enterprises. [... see all AgileTech reviews ]- Location
- Hanoi, Vietnam
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 50 Projects Listed
Meet The Partner Behind Your App's Success | Make It App'n!
Meet your award-winning app development team, dedicated to turning your vision into scalable and profitable digital apps and software. [... see all Chop Dawg reviews ]- Location
- Philadelphia, Pennsylvania
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 52 Projects Listed
Empowering Businesses with Custom App and Software Solutions
iQlance is a leading web &mobile app development company with a strong presence in Dallas, USA. With extensive experience in crafting and deploying innovative mobile applications and software, we focus on creating customer-centric product designs that deliver seamless user experience. [... see all IQlance Solutions reviews ]- Location
- Dallas, Texas
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 21 Projects Listed
An Award-Winning Agency With 13 Years of Expertise
Red Collar digital agency was founded in 2011, now the team consists of 100+ experts. Our two main service lines are web design and end-to-end development. We were announced the best agency in the world in 2017 and 2019 by CSS Design Awards and have twice won the Webby, the 'Oscar' of the Internet. [... see all Red Collar reviews ]- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 23 Projects Listed
Build a More Technology-Driven Business With Our Developers.
Goosebelt is a premier software company specializing in custom software development and software outsourcing solutions. Our dedicated team of experts harnesses cutting-edge technology and innovative strategies to deliver tailor-made software solutions that drive business growth and efficiency. [... see all Goosebelt reviews ]- Location
- Orlando, Florida
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
Explore Software Development Specializations
- .Net
- Agile Consulting
- AgTech
- ASP.NET
- Automotive
- Banking
- Biotech
- C#
- Cloud Application Development
- CRM Development
- Cryptocurrency
- Data Mining
- DeFi
- Eastern Europe
- Educational
- Enterprise
- Fintech
- Flutter Development
- Foodtech
- for Small Business
- Gaming
- Golang
- Google App Engine
- Government
- Healthcare
- Hospitality
- HR Tech Solution
- Java
- JavaScript Development
- Laravel
- Legal
- Machine Learning
- Manufacturing
- MVP Development
- Nearshore
- Node.js
- Offshore
- Outsourcing
- PHP
- Python Django
- Real Estate
- Robotics Process Automation
- SaaS Development
- Salesforce Consulting
- Smart Contracts
- Software Consulting
- Software Maintenance
- Startups
- Unity
Latest Trends Related to Performance Testing
-preview.jpg)
Software Development
In-House vs. Outsourcing Software Development: What to Choose for Your Company
1,995
