BrowserStack vs Testsigma
BrowserStack
The most comprehensive test platform with AI agents across the testing lifecycle. Open and flexible
1717 employees · est. 2011 · Dublin, Ireland
Testsigma
Agentic Test Automation Platform. Powered by agents, driven by you
235 employees · est. 2019 · San Francisco, United States
BrowserStack is the older company (2011 vs 2019); BrowserStack is the larger of the two.
Side-by-Side Comparison
| Metric | BrowserStack | Testsigma |
|---|---|---|
| Founded | ||
| Founded | 2011 older | 2019 |
| Headquarters | ||
| Headquarters | Dublin, Ireland | San Francisco, United States |
| Employees | ||
| Employees | 1717 larger | 235 |
| Industry | ||
| Industry | Telecom | Robotics |
| Funding Stage | ||
| Funding Stage | Series B | Not tracked yet |
| Total Funding | ||
| Total Funding | $250.00M | $12.80M |
| Funding Rounds | ||
| Funding Rounds | 2 | 4 |
| Services | ||
| Services | Manual cross-browser testing, Browser automation cloud, Mobile app automation cloud, Test management and optimization, Accessibility testing, Low code test automation, Custom device lab | Autonomous Test Automation Platform, Self-healing Test Execution, Risk-based Test Planning, Instant Test Generation and Maintenance, Test Automation for Web, Mobile, APIs |
| Target Customers | ||
| Target Customers | Quality assurance professionals, Software developers and engineers, Product managers, Enterprise development teams, Open source developers | QA Teams, Test Managers, Senior QA Analysts, Software Development Teams, Enterprise IT Departments, Technical Support Engineers |
| Taxonomy | ||
| Taxonomy | AI-powered TestingCloud InfrastructureCross-browser TestingFunctional TestingMobile TestingPerformance Testing +7 | AI-powered Test AutomationAgentic AIAutomated Testing SoftwareCross-Browser TestingContinuous TestingRegression Testing +7 |
| Website | ||
| Website | browserstack.com | testsigma.com |
About BrowserStack
BrowserStack, recognized as the world's leading software testing platform, is synonymous with innovation in test automation and management. Established in 2011 and headquartered in Ireland, the company has carved a niche by offering an unparalleled suite of services powered by AI technology. Its slo...
About Testsigma
Testsigma, founded in 2019, is revolutionizing the test automation landscape with their Agentic Test Automation Platform. The platform, headquartered in the United States, uniquely merges artificial intelligence with testing processes through an AI coworker known as Atto. This AI-driven innovation s...
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Compiled from the BounceWatch company index. We last looked at BrowserStack on 29 Apr 2026, and Testsigma on 29 Apr 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
