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
1,262 Companies - Rankings updated: June 05, 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.
For businesses focused on performance, scalability, and data security.
Orthoplex Solutions builds WordPress, web, and mobile apps with built-in cybersecurity for clients like Carlsberg and CMHA. Its Toronto-based team covers healthcare, government, and nonprofits. The software development agency is best for SMBs needing a security-focused Canadian dev partner. [... view Orthoplex Solutions Inc profile ]
Top Services:
Software Development
eCommerce Development
Mobile App Development
Location
Toronto, Canada
Number of Employees
Under 49
Minimal Budget
$1,000 - $10,000
Portfolios Count
10 Projects Listed
Orthoplex Solutions Inc Services
Web Development
Mobile App Development
UI/UX Design
Software Development
eCommerce Development
Cybersecurity
DevOps Consulting
Cloud Consulting
CRM Consulting
AI Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Hamilton-Oshawa Port Authorities
Brain Injury Association of Peel & Halton
TFO Canada
The Zoryan Institute
Ethos Automation
Total Health Pharmacy
Canadian Mental Health Association
Knowbie
Joshua Creek Tennis Club
BEMMA
Data sourced from the agency's DesignRush profile
Orthoplex Solutions Inc Reviews & Testimonials
Sarah Vu Review from Google
5.0★
Sarah Vu's Review Sourced from Google
Orthoplex Solutions was a pleasure to work with! Michael and his team are always prompted in their reply, reliable, and provided exceptional support and service for our not-for-profit website in integrating a learning portal for our members. The outcome was exactly what we were looking for and best fit our needs. They incorporated any feedback we had seamlessly and great to work with! Highly recommend this amazing team!
I was introduced to Orthoplex just two months ago. Last week my website was launched, and I am so delighted to have worked with this company for my website needs. Michael, a gem to work with! Capable, insightful and caring at the same time. Thank you to all of you at Orthoplex!
Working with Orthoplex Solutions team is always a great experience! No matter the task or industry, they never disappoint. Even complex tasks get done consistently in a timely and cost effective way, that looks incredible!! Highly recommend, you guys are the best!!
Where Quality Meets Excellence in Software Testing
Testmatick is a New York City-based software testing firm founded in 2009 with 100-249 employees across multiple U.S. offices. The company provides quality assurance services for finance, banking, e-commerce, healthcare, education, entertainment, telecom, travel, aviation, and natural resources sectors, with [... see all Testmatick reviews ]
Top Services:
Software Development
Location
New York City, New York
Number of Employees
100 - 249
Average Hourly Rate
$14/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
5 Projects Listed
Testmatick Services
Software Testing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Comprehensive analysis done by DesignRush Agency Experts.
Hubrick
Sweetrush
PageSuite
Doppler Labs
KEYPR
oneUp
Grape
Global-e
Data sourced from the agency's DesignRush profile
Testmatick Reviews & Testimonials
Linda Cooper Vice President Development & Operations at Daxor
5.0★
Software Testing Review from Linda Cooper
I want to commend your team for their excellent work on our recent software testing project. They were thorough, communicated well, and delivered on time. Their expertise, flexibility, and attention to detail made our software reliable and safe for our healthcare services. Thank you for your outstanding efforts!
I would like to take this opportunity to provide feedback on the recent software testing project that I had the pleasure of working on. Overall, the project was a success, and I want to commend the team for their hard work and dedication.
Accelerating Software Development - Building Offshore Software Development Centers
Accelerating Software Development - Building Offshore Software Development Centers
Saigon Technology builds custom web, mobile, and AI software, with 900+ projects delivered for clients like Standard Chartered Bank and Abbott. Its ISO-certified team of 350+ developers covers healthcare, fintech, and logistics. Best fit for companies seeking cost-effective offshore development. [... see all Saigon Technology reviews ]
DigitilizeWeb builds websites, mobile apps, and eCommerce stores on WordPress, Shopify, and Magento, with clients including SKW Distribution and Elf Care Services. Its Stockport-based team also covers SEO, PPC, and social media. Best fit for UK SMBs needing an affordable all-in-one digital partner. [... see all DigitilizeWeb reviews ]
Suffescom builds AI, Web3, and mobile apps for clients including NBCUniversal, Humana, and Stripe, with 13+ years and 1,250+ clients. Its ISO-certified team covers agentic AI, blockchain, and on-demand platforms. Best fit for startups and enterprises needing AI-first or Web3 product development. [... see all Suffescom Solutions Inc reviews ]
Zazz builds custom enterprise software using Node.js, .NET, Java, and Python, with SOC 2, ISO 27001, and HIPAA compliance. The software development agency serves the Government of Ontario platform and global financial services firms. Best fit for enterprises needing security-first software development. [... see all Zazz reviews ]
AppsChopper is a mobile app development company delivering custom iOS, Android, and cross-platform apps. With 13+ years of experience and 400+ projects, we build scalable, feature-rich apps for industries like eCommerce, healthcare, education, travel, and more. [... see all AppsChopper reviews ]
Goji Labs builds custom web and mobile apps, AI-powered products, and digital platforms for startups and nonprofits, with clients like WWF and WHO. It serves healthcare, fintech, and media verticals. A practical fit for early-stage startups and mission-driven organizations needing a product partner. [... see all Goji Labs reviews ]
CSSChopper is a prominent web and eCommerce development company. Our team works on future-ready technologies to help clients stay competitive in the long run. We specialize in complex web development projects with expertise in modern tech stacks. [... see all CSSChopper reviews ]
An IT partner with time-tested expertise in solving complex software challenges requiring narrow specialization. Explore 40+ case studies on DesignRush. [... see all SEVEN reviews ]
Achievements: Laracon Hackathon Winner 2024: Recognized for excellence in Laravel technology.Top Development Company: Featured on platforms like GoodFirms, Clutch & Designrush. [... see all Think To Share reviews ]
Newwave Solutions builds custom web, mobile, and enterprise software from Vietnam, with over 800 projects across fintech, healthcare, and eCommerce. Its 300+ engineers cover Java, React, and Flutter. Best fit for companies needing cost-effective offshore development with Asia-Pacific market experience. [... see all Newwave Solutions reviews ]
Award-winning and Passion-driven app development company. More than a Tech partner.
Award-winning and Passion-driven app development company. More than a Tech partner.
Vinova builds custom web, mobile, and enterprise software from Singapore, with clients like Abbott and SPH across healthcare, education, and government. Its 15+ year team covers React, Flutter, and Node.js. Best fit for SMEs and enterprises needing a grant-eligible local dev partner. [... see all Vinova reviews ]
HDWEBSOFT is a leading software outsourcing company in Vietnam, known for its high-quality services, affordable pricing, and reliable team. With over 250 experienced engineers and a decade of expertise, HDWEBSOFT has helped businesses of all sizes from around the world to develop and launch successful [... see all HDWEBSOFT reviews ]
BitsWits builds iOS, Android, Flutter, and React Native apps alongside AI and blockchain solutions, with a four-week delivery guarantee. Its work spans healthcare, fintech, and eCommerce, making the software development company suitable for businesses needing fast, affordable mobile app development. [... see all BitsWits reviews ]
Next gen of QA, riding the wave of agentic pipelines.
Next gen of QA, riding the wave of agentic pipelines.
BetterQA is a Cluj-Napoca based software testing company that has built 8 proprietary tools to power modern QA. We help startups and enterprise teams ship safer, more reliable software through practical, real-world testing services. We go beyond finding bugs, we help teams grow with confidence. [... see all BetterQA reviews ]
Best Affordable Service Provider in eCommerce, Website, Salesforce, Software Mobile APP Development
Best Affordable Service Provider in eCommerce, Website, Salesforce, Software Mobile APP Development
Startbit IT Solutions builds web, mobile, and eCommerce software using Salesforce, SAP, and Shopify, with clients including Coca-Cola and Stryker. Its ISO-certified team has delivered offshore solutions since 2008. Best fit for SMEs needing affordable enterprise development. [... see all Startbit IT Solutions reviews ]
The Right Technology Partner Can Change Everything
The Right Technology Partner Can Change Everything
TechnoYuga builds AI-powered mobile apps, web platforms, and SaaS products using Flutter and React Native, with clients in fintech, healthcare, and logistics. The software development agency has served startups and SMEs since 2019. Best fit for startups needing AI-first mobile and web development. [... see all Technoyuga Soft reviews ]
Digital Transformation Company. App & Web Development, Cloud, Consulting.
Digital Transformation Company. App & Web Development, Cloud, Consulting.
Embark on a journey of innovation and growth with Successive Technologies, a pioneering software development and eCommerce app development company committed to turning business ideas into thriving realities. [... see all Successive Digital reviews ]
Scale your development team quickly & reduce costs
Scale your development team quickly & reduce costs
weKnow Inc is a Nearshore Staffing & Development Company.In today's competitive digital landscape, companies often face challenges in sourcing skilled web development talent that not only meets their technical requirements but also integrates seamlessly into their existing teams. [... see all WeKnow reviews ]
Konstant Infosolutions is a leading digital innovation and mobile app development company, offering top-notch solutions across diverse industries. With expertise in healthcare, on-demand services, real estate, food and restaurant, eCommerce, social networking, and more, we deliver tailored solutions that [... see all KONSTANT INFOSOLUTIONS reviews ]
Building Custom Software and Mobile App Solutions Since 2008
Building Custom Software and Mobile App Solutions Since 2008
Clients cite responsive delivery and strong technical communication. Cubix ships production-ready software across React, Flutter, and enterprise ecommerce stacks, serving Fortune 500 accounts including Sony, Walmart, and PayPal since 2008.The Florida-based firm completed one mobile app in under six months [... see all Cubix reviews ]
Top rated Artificial intelligence solutions company
Top rated Artificial intelligence solutions company
Innovacio Technologies builds AI, ML, and mobile solutions across supply chain, healthcare, and fintech, with 130+ AI projects and clients including GrayMatter Robotics and Beauty Pie. Its 96.5% retention rate spans 10+ countries. Best fit for SMEs needing AI-first product development. [... see all Innovacio Technologies reviews ]
AddWeb Solution is a Greenville, South Carolina - based AI-driven digital agency delivering innovative digital solutions worldwide. [... see all AddWebSolution reviews ]
AI-Driven Software Development Company in Singapore
AI-Driven Software Development Company in Singapore
TechTIQ Solutions builds custom web, mobile, and enterprise software from Singapore, with clients including Abbott, Panasonic, and Standard Chartered. Its ISO 9001/27001-certified team covers React, Node.js, and Flutter. Best fit for Singapore SMEs needing a compliance-ready local development partner. [... see all TechTIQ Solutions reviews ]
Pixelette Technologies - Leading the way in AI & Blockchain
Pixelette Technologies - Leading the way in AI & Blockchain
Pixelette Technologies builds custom software, AI, blockchain, and mobile apps for clients like Dodge, McDonald's, and moTV. Its full-cycle team covers Python, Java, and Go across healthcare and enterprise verticals. Best fit for startups and enterprises needing end-to-end software outsourcing. [... see all Pixelette Technologies reviews ]
ELEKS, a trusted partner for guaranteed software engineering excellence, quality, and transparency.
ELEKS, a trusted partner for guaranteed software engineering excellence, quality, and transparency.
ELEKS builds custom enterprise software across fintech, healthcare, energy, and logistics, with 1,000+ projects delivered over 30 years. It serves Fortune 500 companies and names like DPD and Drax. The software development firm is best for mid-to-large enterprises needing complex software development. [... see all ELEKS reviews ]
LeverX, an SAP Gold Partner, brings unparalleled expertise nurtured since 2004, delivering successful projects across manufacturing, automotive, and more. [... see all LeverX reviews ]
GMTA Software specializes in creating customized websites and mobile app development solutions as an expert software developer. Our team guides you on your path to digital transformation by establishing an open and transparent communication bridge. [... see all GMTA Software Solutions reviews ]
We are a leading app design and development company headquartered in Texas, with a dedicated development center in India. With over 75 talented employees, we have successfully delivered 100+ projects across various industries. [... see all Simublade reviews ]
a1qa, a global pure-play QA and test automation provider, brings over 20 years of expertise in delivering quality assurance and software testing services. The organization adjusts its workflows to comply with ISO 9001/27001 standards. [... see all A1qa reviews ]
Enterprise Software & AI Engineering - Silicon Valley Rigor, Nearshore Speed
Enterprise Software & AI Engineering - Silicon Valley Rigor, Nearshore Speed
Cheesecake Labs builds mobile, web, blockchain, and AI apps using React Native and Flutter, with clients including MoneyGram and Fortune 500 energy firm AES. The software development agency is the best fit for startups and mid-market teams needing a nearshore full-cycle product partner. [... see all Cheesecake Labs reviews ]
Digital Marketing Agency & App Development Company
Digital Marketing Agency & App Development Company
Headquartered in Edmonton, Canada, Out Origin is a talented and diverse international team dedicated to ethical marketing and sustainable, long-term growth as an agency. We are committed to leaving our clients, and the world, better off for having known us. [... see all Out Origin reviews ]
Helping Forward Thinking Companies Transform Digital Visions Into Value
Helping Forward Thinking Companies Transform Digital Visions Into Value
Award-winning USA-based Generative-AI consultancy developing the future of intelligent solutions. We revolutionize business with cutting-edge, responsive AI technologies delivered cost-effectively, and specialize in delivering projects on-time and within budget. [... see all GenAI-Labs reviews ]
Your trusted partner for AI development and staffing
Your trusted partner for AI development and staffing
Diffco delivers AI, mobile, web, and backend software for clients like Instreamatic and Good2Go, with a top-1% engineer vetting model and team augmentation. Its team is the best fit for startups and enterprises needing senior AI or full-stack development talent. [... see all Diffco reviews ]
Agentic AI Development Using LLMs, LangChain & OpenAI
Agentic AI Development Using LLMs, LangChain & OpenAI
We design and deploy Agentic AI systems using LangChain, AutoGen, and OpenAI to build intelligent agents that automate tasks, manage workflows, and operate autonomously. Ideal for startups, SaaS, and enterprise teams seeking scalable AI automation. [... see all Clustox reviews ]
Zamratech, a globally recognized company based in the United States, has become a leading worldwide application developer. We provide a comprehensive range of digital services, including web design, mobile app development, software development, and cross-platform development, offering a complete 360-degree [... see all Zamratech reviews ]
Digis is a Software Development company with a team of 200+ professionals dedicated to Custom Development (Web & Mobile) and design. We have a wealth of experience across several industries, particularly in Education, Healthcare, Fintech, E-Commerce, Media & Entertainment, GIS and Automotive. [... see all Digis reviews ]
HTMLPanda is a leading website development company founded in 2014. With offices in Boston, Walpole & NYC, we have collaborated with clients all over the world. Our cutting-edge web development services include WordPress development, Drupal development, Woocommerce development, Shopify development. [... see all HTMLPanda reviews ]
In a world full of sunsets, we are the Northern light.
In a world full of sunsets, we are the Northern light.
Kindgeek is an AI-native fintech product engineering company. We help licensed fintechs, payment companies, neobanks, and global enterprises build, launch, and scale regulated financial products. [... see all Kindgeek reviews ]
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 ]
Simform is a premier digital engineering company specializing in Product Engineering, Cloud, Data, Agentic AI, and Enterprise Platform Innovation to create seamless digital experiences and scalable, enterprise-grade products. [... see all Simform reviews ]
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 ]
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 ]
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 ]
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 ]
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