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.
Let's Talk Solutions
Softuvo Solutions believes in adapting the client's business as it's very own and then work towards it with best possible expertise and quality. [... see all Softuvo Solutions reviews ]- Location
- Mohali, India
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $24/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 17 Projects Listed
Imagine | Create | Innovate | Revolutionize.
At TechTose, we turn ideas into impactful products with a focus on innovation in Web3, blockchain, and AI. At TechTose, we believe in the transformative power of technology. With over 9 years of industry expertise founders, we've carved a niche in delivering cutting-edge software solutions that empower [... see all TechTose reviews ]- Location
- Indore, India
- Number of Employees
- Under 49
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
We build software products that stand out
Honeycomb Software is an IT Consulting and Software development company serving clients since March 2015. [... view Honeycomb Software profile ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $36/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 14 Projects Listed
- IT Craft has been building software since 2001, delivering reliable, scalable solutions for startups, SMBs, and enterprises. Our team handles everything from discovery and architecture to deployment and maintenance. [... see all IT CRAFT reviews ]
- Location
- Berlin, Germany
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects Listed
Legal Tech with a Human Touch
Netclues, a top legal technology company, offers innovative document management solutions for law firms, ensuring environmental responsibility, ease of access, enhanced productivity through better software integration, and 24/7 availability with secure, scalable cloud-based storage. [... see all Netclues reviews ]- Location
- Georgetown, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 3 Projects Listed
We Accelerate Your Technology Excellence.
First Line Software is a global AI services and technology partner helping organizations become AI-First.Since 2010, weve worked with enterprises and high-growth companies to design, build, and scale custom software and AI-driven solutions that deliver measurable business outcomes. [... see all First Line Software reviews ]- Location
- Boston, Massachusetts
- Number of Employees
- 500 - 999
- Portfolios Count
- 4 Projects Listed
Upcore: Redefining Tech Excellence for Tomorrow.
At Upcore Technologies, we take pride in our ability to stay ahead of the curve in the ever-evolving digital realm. Our team of experts is constantly exploring and mastering emerging technologies, enabling us to deliver cutting-edge solutions that redefine the boundaries of what's possible. [... see all Upcore Technologies reviews ]- Location
- Wilmington, Delaware
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
Decoding Innovation
MoogleLabs leverage AI/ML, Blockchain, DevOps,Low Code/No Code platforms, AI Testing and Data Science to come up with the best solutions for diverse businesses. [... see all MoogleLabs reviews ]- Location
- Emeryville, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Your Trusted Web & Mobile Application Development Agency
We understand your IT needs and deliver tailored solutions for a lasting impact. [... view Leadingdots US profile ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $67/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 4 Projects Listed
Where your vision becomes our mission.
At FCS Web Development, we're not just about creating websites; we're about forging unique digital identities that echo your brand's essence and engage your audience on a deeper level. As a beacon of excellence and innovation, our suite of services is meticulously designed to cater to the diverse needs of our [... view FCS Web Development profile ]- Location
- Porto, Portugal
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 9 Projects Listed
Leading Global Provider of Blockchain Technology Solutions and Software Development
The company's specialists have solid expertise in blockchain consulting and development as well as machine learning, big data, artificial intelligence (AI), and AR/VR. Founded in 2007, PixelPlex has designed and developed 450+ successful projects for clients all over the world. [... view PixelPlex profile ]- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $75/hr
- Portfolios Count
- 15 Projects Listed
#1 ICT Solution & Service Provider
Fluper has gained recognition for its exceptional and pioneering mobile application development services, catering to both iOS and Android platforms. As a global frontrunner, we spare no effort in delivering superior solutions. [... see all Fluper reviews ]- Location
- Noida, India
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $10/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 14 Projects Listed
Automate Innovate Dominate.
HashStudioz Technologies is an award-winning product development company providing innovative IT solutions to clients from startups to Fortune 500 firms. With a team of over 1,000 experts, they have successfully completed 200+ projects, offering advanced technologies such as IoT, Blockchain, Cloud Computing [... see all HashStudioz Technologies reviews ]- Location
- Noida, India
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Invested in Your Success
Tepia is a software company founded in 2012 with over 30 years of experience in web and mobile app development. We are a passionate and agile team of developers, designers, and strategists who are consistently pushing the boundaries of technology. [... see all Tepia reviews ]- Location
- Costa Mesa, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 2 Projects Listed
The Digital Company
With passion and innovative spirit, we advise and support companies and organizations in their very individual digital transformation. Alter Solutions Deutschland focuses on supporting its customers in the fields Cyber Security, Cloud & Infrastructure, Software Delivery, Business Performance and Agile IT [... view Alter Solutions Deutschland GmbH profile ]- Location
- Dusseldorf, Germany
- Number of Employees
- 50 - 99
- Portfolios Count
- 5 Projects Listed
YOUR IOT PARTNER
Indeema is a global IoT engineering company. Our team works across the entire technology stack, including firmware development, electronics engineering, cloud platforms, data processing, and web and mobile applications. [... see all Indeema Software reviews ]- Location
- Wroclaw, Poland
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 8 Projects Listed
Software Development / Technology Consulting / Dedicated Developers
A trusted software partner for 100+ companies worldwide - one that truly understands your business. SCALO delivers custom software, technology consulting, and IT talent that accelerates your growth. 20 years of excellence. 750+ successful projects. ISO 27001 certified. Microsoft Gold Partner. [... see all SCALO reviews ]- Location
- Wroclaw, Poland
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $40/hr
- Portfolios Count
- 7 Projects Listed
All Ways of Quality Always
BugRaptors is a trailblazer in QA software testing services. Armed with ISO 9001:2018 and ISO 27001 certifications, our team of 200+ ISTQB-certified testers utilizes cutting-edge test automation tech and advanced methodologies. [... view BugRaptors profile ]- Location
- Emeryville, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $25/hr
- Portfolios Count
- 11 Projects Listed
IT Solutions That Pack a Byte, Changing Something Big
We are Bite Consulting Services, an accomplished IT firm based in Poland. We foster strategic partnerships across diverse markets. Our unwavering commitment to technology excellence empowers businesses to thrive in today's dynamic technology landscape. [... view BITE Consulting Services (BCS) profile ]- Location
- Wroclaw, Poland
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Portfolios Count
- 6 Projects Listed
Experts in Sports Betting, Game Development, Blockchain & AI Software Solutions | 100+ Game Devs
Innosoft Group is an expert iGaming and blockchain software company with over a decade of expertise in game development. Our headquarters thrive in the vibrant hub of Indore, India, while our global imprint encompasses strategic offices in the Netherlands and the UAE. [... see all Innosoft Group reviews ]- Location
- Hoofddorp, Netherlands
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 13 Projects Listed
Paving the way for a thriving digital society
Paving the way for a thriving digital society [... view Commencis profile ]- Location
- Istanbul, Turkey
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 17 Projects Listed
Our Quality. Your Efficiency.
DeviQA has been supporting customer success stories for over 14 years, protecting and safeguarding our customers' brand and hard-fought reputation through best-in-class testing and quality assurance services. [... view DeviQA profile ]- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Portfolios Count
- 8 Projects Listed
Digitally And Truely Yours
Digital Elliptical is a dynamic software development and digital solutions company dedicated to delivering high-quality, customized services across various industries. [... view Digital Elliptical profile ]- Location
- Karachi, Pakistan
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Portfolios Count
- 39 Projects Listed
Full Stack Tech Consulting Agency
With 14 years of experience, a dedicated team of 120 professionals, and an impressive 4.7 rating on Google, we specialize in building and deploying world-class IT solutions that drive results. [... see all Imenso Software reviews ]- Location
- Gurgaon, India
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Portfolios Count
- 12 Projects Listed
Spider Technology: Where Vision Meets Virtual Reality in Web Excellence
Spider Technology, a Melbourne-based business registered with ASIC, specializing in website development services for corporations and individuals. We offer a wide range of web design and development solutions tailored to satisfy the clients requirements to the highest level. Were committed to deliver [... view Spider Technology profile ]- Location
- Fawkner, Australia
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 9 Projects Listed
We find, build and manage remote teams.
Away Digital Teams specializes in recruiting and managing top talent in Vietnam for businesses seeking to establish and oversee remote teams. Our comprehensive service ensures seamless team building and management, enabling companies to thrive in today's digital landscape. [... view Away Digital Teams profile ]- Location
- St Kilda, Australia
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 4 Projects Listed
Let's Create Software Success Together!
Edvantis is a global software engineering company with over 400 talented professionals operating in Central & Eastern Europe and the USA. [... view Edvantis profile ]- Location
- Rzeszów, Poland
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 12 Projects Listed
Scalable Intelligence
ScalaCode helps ISVs and enterprises build AI-powered products with vetted remote developers from India. From LLM apps and MLOps to full-stack delivery, our PODs ship fast, securely, and cost-effectively for US/EU time zonesunder strict NDAs and SLA-driven execution. [... see all ScalaCode Global Pvt. Ltd. reviews ]- Location
- Noida, India
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
QualiMatrix Technologies: Always believe in Quality. We are ISO certified - 9001, 27001
One of the top Cyber Security providers, Web Development Services, App Development Services, UI/UX Services, and Software Testing Services [... see all Qualimatrix Technologies Pvt Ltd reviews ]- Location
- Bengaluru, India
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $13/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Impacting companies and bringing transformation to their business since 2016.
We are your partner to Digital Transformation [... view IBlue Consulting profile ]- Location
- Rio de Janeiro, Brazil
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
Let Your Ideas Soar.
At Busy Human, we specialize in developing custom web software and applications using cutting-edge technologies across the entire stack. Our expertise in deploying scalable and adaptable cloud infrastructures ensures that your digital solutions grow seamlessly with your business needs. [... view Busy Human profile ]- Location
- Orem, Utah
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 8 Projects Listed
We transform the digital gap in opportunities for your business
We work closely with your business goals and objectives. Our aim is to make technology accessible to everyone, bridging the digital gap and taking your business to the next level.Since 2013, we have been working to positively impact the true economic engine of the countries where we operate, offering [... view Logo Texo profile ]- Location
- Bogota, Colombia
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 8 Projects Listed
Saeculum Solutions Pvt Ltd
Saeculum Solutions is providing Web Development And Software Development Services. We also specialize in Angular & React js Development Online Visit us at: https://saeculumsolutions.com/ [... see all Saeculum Solutions reviews ]- Location
- Ahmedabad, India
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Portfolios Count
- 18 Projects Listed
Custom Software to Reach Your Vision
We create custom software solutions that transform your process, empower your people, and help you reach your vision. Our team of experts partner with you in a radically transparent process to understand your unique needs, then build a powerful software solution that is scalable, efficient, and cost [... see all Orases reviews ]- Location
- Frederick, Maryland
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $150/hr
- Portfolios Count
- 3 Projects Listed
The Suitch is a professional app development and design agency based in New Jersey.
The Suitch is a leading digital transformation agency servicing a range of unicorn startups and global brands. We strategize, design, and develop user-facing technology that wins in the marketplace. [... see all The Suitch reviews ]- Location
- Jersey City, New Jersey
- Number of Employees
- 100 - 249
- Minimal Budget
- $1,000 - $10,000
Deploy Dream Applications From Scratch
Our team of over 200 IT experts and engineers harness the power of contemporary technologies, advanced frameworks, and innovative methodologies to deliver unmatched and top-notch outsourced services from India. [... view ThinkSys profile ]- Location
- Sunnyvale, California
- Number of Employees
- 100 - 249
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
It's All About Making Ideas Happen.
Using agile technology and smart design we close the gap between brands, their products and the people who enjoy them. We believe today’s leading technology and innovative creative is the fastest way to get there. Every project is an opportunity to swing the pendulum toward the incredible, where brands and [... view Royal Media profile ]- Location
- Ridgewood, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Expert mobile, web, AI & DevOps engineers from 22$/hr
ImproveIT Solutions is a top-rated European software development company with 10 years of experience and senior Web, Mobile, AI, and DevOps engineers. Trusted by 80+ companies, we build quality digital products, scale teams flexibly, reduce costs, and work under EU-compliant agreements. [... view ImproveIT Solutions profile ]- Location
- Warsaw, Poland
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $35/hr
- Portfolios Count
- 18 Projects Listed
Exceeding expectations.
Accedia is a premier European IT services company, specializing in technology consulting and custom software development. Founded in 2012, the company has established itself as a trusted technology partner for clients across 20 countries on 5 continents. [... see all Accedia reviews ]- Location
- Sofia, Bulgaria
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects Listed
International software product development company. Here is our email: info@urancompany.com
Uran Company is a development agency headquartered in Denver, Colorado, US with offices in Bulgaria and Ukraine. We create custom software solutions: custom app development, cross platform app development, integration services, AWS consulting, QA services [... view Uran Company profile ]- Location
- Sliven, Bulgaria
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Portfolios Count
- 16 Projects Listed
Innovation Generation.
Delostyle Studio Private Limited is a creative design and branding agency specializing in innovative solutions for businesses. They offer a range of services, including graphic design, digital marketing, and web development, focusing on enhancing brand presence. Known for their artistic approach and attention [... see all Delostyle Studio Pvt Ltd reviews ]- Location
- Kolkata, India
- Number of Employees
- Under 49
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
We Make Software Easier
SolutionStream is a Utah based full service software development agency specializing in strategy, performance testing, design, and development services. [... view SolutionStream profile ]- Location
- Lehi, Utah
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $135/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 5 Projects Listed
Accelone Advancing What's Possible
Embark on your digital transformation journey with AccelOne's Software Development delivery model, strategically designed for optimal outcomes. Initiate your digital transformation seamlessly through our comprehensive nearshore and US-based services. [... view AccelOne profile ]- Location
- Seattle, Washington
- Number of Employees
- 100 - 249
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 5 Projects Listed
Creating a New Era in Software Development Industry.
Zensesys is a dynamic technology company with a robust presence in the United States and India. With over 13 years of industry experience, we have established ourselves as a trusted provider of digital transformation solutions. Our development center and core team are strategically based in India, a [... view Zenesys profile ]- Location
- Frisco, Texas
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
GLOBAL TECH TALENT, LOCAL IMPACT.
EchoGlobal Tech specializes in delivering exceptional remote engineering talent aligned with your company's values and cultural ethos. Always quality over quantity! [... see all EchoGlobal reviews ]- Location
- Tallinn, Estonia
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Portfolios Count
- 9 Projects Listed
Think, Do and Be Thankful
You don't need a business, You need a high-performing business.Eventually, You don't need SEO or any marketing Strategy, You need sales and grow fast, Right?We are a proven digital marketing agency to help other businesses from zero, undergone to make a sustainable and dominant brand. [... see all Boyshero reviews ]- Location
- Dhaka, Bangladesh
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Portfolios Count
- 4 Projects Listed
Solve-Automate-Scale Leveraging Technology for your Business
YES IT Labs is a top software development company delivering innovative, high-quality solutions tailored to client needs. Our expert team uses cutting-edge technology to turn ideas into reality. Services include custom software, mobile/web apps, IT consulting, and more. [... view YES IT LABS profile ]- Location
- Laguna Beach, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Software Design and Development Partner | UI/UX Design
For over the decade OTAKOYI designs and builds software products for Startups, Scaleups and Industry Giants worldwide. Our main goal is to help businesses succeed by delivering digital products of world-class standard, made up by the best engineering teams from Eastern Europe.We are proud of being trusted by [... view OTAKOYI profile ]- Location
- Lviv, Ukraine
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 16 Projects Listed
Full-service & full-stack digital agency
Established in 2007, Cubet is a full-service and full-stack digital agency that offers comprehensive solutions to help businesses scale. [... view Cubet Techno Labs profile ]- Location
- Atlanta, Georgia
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 7 Projects Listed
developing highly polished games with a great visual quality in a short development time
At Bekhoteam, we provide development services as a work-for-hire company, specializing in creating new games from scratch or offering reskinning options from our extensive catalog. Our team's main strength lies in developing highly polished games with exceptional visual quality within tight deadlines and at [... view Bekho Team profile ]- Location
- Viña del Mar, Chile
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
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