- Revenue
- $92.1M
- Customers
- 3.5K
- Year founded
- 2008
- Funding
- $151M
- Team size
- 319
- Growth
- 34.15%
Top 16 Load Testing Tools SaaS Companies in May 2026
As of May 2026, there are 16 SaaS companies in Load Testing Tools. They have combined revenues of $129.6M and employ 668 people. They have raised $161M and serve 38.5K customers combined.
Load testing tools are specialized software applications designed to simulate a specific load on a system to evaluate its performance under various conditions. They help ensure that web applications can handle high traffic volumes without compromising performance or user experience. This type of testing is crucial during application development, particularly before a product launch or during upgrades, as it identifies potential bottlenecks that may affect end-users during peak usage times. Common features of load testing tools include the ability to generate virtual users, simulate different types of network conditions, and monitor server performance metrics such as response times and throughput. Users typically consist of development and quality assurance teams within IT departments, as well as project managers and system administrators who are responsible for maintaining optimal system performance. These tools help organizations prevent downtime and maintain user satisfaction by rigorously testing applications before they go live. They are essential for ensuring reliability and scalability in an increasingly digital landscape, where performance expectations are high and user tolerance for slow applications is minimal.
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Sorting: Highest -> Lowest
Top Load Testing Tools Companies
Showing 10 of 16 companies ranked by annual revenue.

Hamburg, Hamburg, Germany
Speed Kit is the all-in-one page speed tool for 7,000+ sites with 300+ million users. Market leaders like BMW, Decathlon, and Carhartt load faster with Speed Kit. We offer a powerful Speed-as-a-Service that turbocharges your site in one week and improves user experience, web vitals, and conversion rates. 1) Plug and play integration: Add two simple JavaScripts to your site with our support. 2) Instant speed improvements: Accelerate your site with the world’s fastest caching technology. 3) A/B speed test results: Get proven speed improvements through statistical A/B tests.
- Revenue
- $7.7M
- Customers
- -
- Year founded
- 2014
- Funding
- -
- Team size
- 70
- Growth
- -

Milpitas, California, United States
Provider of functionality and automation testing tools and services designed to validate successful business outcomes ans ensure seamless customer experience. The company's tools and services provide automated testing for Web and mobile applications, including performance and load testing, localization testing, security testing, compliance testing and usability testing, enabling development teams to develop apps and automate native, hybrid and browser apps for Mobile and Desktop.
- Revenue
- $6.9M
- Customers
- -
- Year founded
- 2005
- Funding
- -
- Team size
- 93
- Growth
- 70.05%

Bridgwater, New Jersey, United States
RadView Software develops load testing tool and performance monitoring for web and mobile applications that allows companies to accelerate the development and deployment of their Web and Mobile applications and enables the implementation of their strategy
- Revenue
- $6.1M
- Customers
- 35K
- Year founded
- 1993
- Funding
- $10M
- Team size
- 31
- Growth
- 46.98%

Paris, Île-de-France, France
Performance issues are the worst enemies of your website. 53% of users say they will leave a website that takes more than 3 seconds to load and it could impact your revenues quite badly. Your web app might be fine right now, but are you sure it can handle traffic spikes or extended high use without affecting the user experience? Do you know your max capacity? That’s where we come in. With more than 20 million downloads, Gatling has helped +200,000 companies all over the world prepare for success. With scripting available in JavaScript, TypeScript, Java, Scala or Kotlin, our solutions designed for DevOps and CI/CD help you develop high-quality crash-proof applications through load testing. Our open-source solution will help you grasp the basics of load testing, while our Enterprise offers will give you access to distributed testing, live reporting, advanced metrics and public Gatling APIs/integrations. Gatling Enterprise is available in Cloud and Self-Hosted versions, or can be used through the AWS and Azure Marketplaces. Want to know how to get started? Schedule a demo directly with our experts! You can also jump start your load testing skills with the Gatling Academy, our learning platform, or check-out our wide range of blog posts, webinars and use-cases at www.gatling.io.
- Revenue
- $4.8M
- Customers
- -
- Year founded
- -
- Funding
- -
- Team size
- 44
- Growth
- -

Stockholm, Stockholm, Sweden
Stockholm-started k6, simplifies and automate load and performance testing for agile software development teams. Our easy-to-use tools are used by modern development organizations from all corners of the world. Through integration with other leading automation and Continuous Integration tools, we get performance testing available early in the development cycle. Test your site, API or web-based software with k6.io
- Revenue
- $4.5M
- Customers
- -
- Year founded
- 2009
- Funding
- -
- Team size
- 41
- Growth
- -

Wakefield, Massachusetts, United States
Provider of load-testing software applications designed to offer testing signaling systems. The company's load-testing software applications are easily customized to meet exact testing requirements, as well as help to target specific testing requirements, enabling telecom sector to make right choice and meet future testing needs.
- Revenue
- $1.5M
- Customers
- -
- Year founded
- 2002
- Funding
- -
- Team size
- 18
- Growth
- 165.41%

Walnut Creek, California, United States
eXpertStack specializes in eCommerce Testing Services, focusing on fully managed solutions, automated testing, and performance monitoring to enhance user experience, boost sales, and build customer loyalty. Our approach ensures optimal site performance and revenue protection. Key Services: - Fully Managed Services: We handle all testing aspects, from setup to ongoing management, making your e-commerce operations seamless. - Automated Testing: Quickly identify and resolve issues with our comprehensive automated testing, ensuring your site meets the highest standards of performance. - Performance Monitoring: Our continuous monitoring detects and fixes potential issues in real-time, keeping your site fast and reliable. Why Choose ExpertStack? Discover more: www.eXpertStack.io The eXpertStack Platform is your all-in-one, cloud-based eCommerce testing solution, offering: - Cloud-Based Automation: Efficient testing processes for optimal user experiences. - Real-Time Performance Monitoring: Ensuring your site's speed and reliability. eXpertStack is designed for the rapid deployment needs of eCommerce, with a cloud infrastructure for easy maintenance and quick feature rollouts. Elevate your eCommerce platform with eXpertStack's automated testing, performance monitoring, and fully managed services. Click the link below to discover how we can tailor an effective testing strategy for your eCommerce project.
- Revenue
- $1.3M
- Customers
- -
- Year founded
- 2017
- Funding
- -
- Team size
- 12
- Growth
- -

Palo Alto, California, United States
BlazeMeter by Perforce ensures delivery of high-performance software by enabling DevOps teams to quickly and easily run open-source based performance tests against any mobile app, website or API at massive scale to validate performance at every stage of software delivery. The rapidly growing BlazeMeter community of has over 100,000 developers and includes prominent global brands such as Adobe, Atlassian, Gap, NBC Universal, Pfizer and Walmart as customers. Founded in 2011, the company is headquartered in Mountain View, California and Research & Development in Tel Aviv, Israel. BlazeMeter was acquired by Perforce Software in 2021. The best run DevOps teams in the world choose Perforce to remove bottlenecks to speed up and deliver app experiences that move the needle. With Perforce’s suite of products built to develop and maintain high-stakes applications, companies can finally manage complexity with efficiency, achieve speed without compromise, and run their DevOps toolchains with full integrity. Perforce gives customers a DevOps Edge, from code to business-ready.
- Revenue
- $1.3M
- Customers
- -
- Year founded
- 2011
- Funding
- -
- Team size
- 12
- Growth
- -
- Revenue
- $1M
- Customers
- -
- Year founded
- 2013
- Funding
- -
- Team size
- 5
- Growth
- -
Inclusion Criteria
- The tool must simulate multiple user interactions with an application to test performance under load. - Must provide real-time monitoring and reporting of performance metrics such as response time and throughput. - Should support various protocols, including HTTP, WebSocket, and others, to cover different application types. - Must allow users to create and customize test scenarios based on user behavior and load conditions. - Not just for performance testing; must also include capabilities for identifying bottlenecks and providing insights for optimization.

