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§ Private Profile · Remote, USA
Testlio is a technology company.
Testlio offers a fully managed crowdsourced testing platform that integrates expert, on-demand testers directly into development workflows. The company provides comprehensive software testing solutions, encompassing mobile app testing, test automation, localization testing, and usability testing. This approach allows product and engineering teams to access a global network of quality assurance and quality engineering experts, ensuring thorough validation of digital products across various environments and user conditions.
The company was founded in 2012 by Kristel Kruustük and Marko Kruustük. Their founding insight stemmed from a shared frustration with the prevailing lack of pride and structured quality processes within existing crowdtesting platforms. They envisioned a more rigorous and integrated approach to quality assurance, leading them to build a platform that could deliver reliable and scalable testing services.
Testlio's services are utilized by product and engineering teams aiming to ensure their releases function flawlessly for end-users globally. The company's vision centers on delivering strategic testing at scale, helping businesses maintain high standards of software quality and accelerate their release cycles. By connecting human expertise with an integrated platform, Testlio aims to foster greater confidence in deployed software.
Testlio has raised $19.0M across 3 funding rounds.
Testlio has raised $19.0M in total across 3 funding rounds.
Testlio is a software quality assurance company that provides a fully managed, AI-driven crowdsourced testing platform for mobile, web, and connected devices. It combines expert freelance testers from 150+ countries with proprietary AI tools like the LeoAI Engine™ and LeoMatch™ to deliver manual and automated testing, enabling faster releases with high reliability across global contexts, devices, and payment methods[1][2][4][6]. Serving enterprises like Amazon, Microsoft, Netflix, PayPal, Uber, and NBA, Testlio addresses software testing challenges in sectors including finance, media, healthcare, commerce, and travel, powering seamless user experiences for billions by testing in real-world conditions with 500k+ devices, 800+ payment methods, and 100+ languages[1][3][4][5].
The platform solves core problems like fragmented testing, scalability issues, and quality risks in complex releases by integrating human expertise with AI for predictive insights, tester matching, and end-to-end validation—including payments, localization, accessibility, AI safety (e.g., detecting hallucinations and biases), and livestreaming. With a remote workforce of 501-1000 across 40+ countries and recent expansions in AI automation and device coverage, Testlio demonstrates strong growth momentum through ISO 27001 certification, new offerings like BUG-FREE™ Spray, and events like the 2025 CONNECTED TV WORLD SUMMIT[1][2][4][5].
Testlio was founded in 2012 in San Francisco by siblings Kristel Kruustük and Marko Kruustük, who were frustrated by the lack of structure, pride, and accountability in traditional crowdtesting platforms[3][4]. Drawing from their backgrounds in software quality, they pioneered a "fused" testing model that emphasizes managed, high-quality crowdsourcing over unstructured crowds, blending freelance experts with platform oversight to support engineering teams effectively[2][4].
Early traction came from addressing real-world gaps in mobile and global app testing, evolving from basic QA to a comprehensive platform with AI integrations like LeoAI. Pivotal moments include building a vetted global tester network across 150+ countries, partnerships with DevOps tools, and serving high-profile clients, which solidified its position in quality engineering over a decade of scaling[1][4][6].
Testlio stands out in the crowded QA space through these key strengths:
Testlio rides the wave of AI-accelerated DevOps and global digital expansion, where software releases must scale across fragmented devices, regions, and payment ecosystems amid rising AI adoption in apps. Its timing aligns perfectly with post-pandemic remote engineering, explosive growth in mobile/OTT/streaming (e.g., connected TV), and regulatory pressures for AI safety, localization, and compliance—market forces amplified by 5G, edge computing, and e-commerce globalization[2][4][5].
By enabling "confident releases everywhere," Testlio influences the ecosystem as a quality gatekeeper for hyperscalers and startups, reducing downtime costs (often millions per hour) and fostering innovation in high-stakes sectors. Its model democratizes elite QA, partners with DevOps leaders, and sets standards for hybrid AI-human testing, helping the industry shift from reactive bug-fixing to predictive quality engineering[1][3][6].
Testlio is poised for accelerated growth by deepening AI integrations—like expanded generative AI testing and automation—to capture demand in emerging areas such as AI agents, AR/VR, and Web3 payments. Trends like multimodal AI, zero-trust security, and hyper-personalized global apps will shape its trajectory, with potential for acquisitions or platform expansions amid consolidating QA markets.
As engineering leaders prioritize speed-without-compromise, Testlio's managed global expertise positions it to evolve from testing partner to indispensable quality platform, amplifying its impact on flawless software at planetary scale—just as it began by fixing crowdtesting's flaws over a decade ago.
Testlio has raised $19.0M in total across 3 funding rounds.
Testlio's investors include Jeff Williams, Vertex Ventures, Altos Ventures, Vertex Ventures US, Anthony Lee, Active Capital, Hyde Park Venture Partners, Jay Baer, Scott Banister, Carman Chan, Lew Moorman, Pat Matthews.
Testlio has raised $19.0M across 3 funding rounds. Most recently, it raised $12.0M Series B in October 2021.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Oct 1, 2021 | $12M Series B | Jeff Williams | Vertex Ventures, Altos Ventures, Vertex Ventures US | Announced |
| Apr 1, 2016 | $6M Series A | Vertex Ventures, Anthony LEE | — | Announced |
| Jan 1, 2015 | $1M Seed | — | Active Capital, Hyde Park Venture Partners, JAY Baer, Scott Banister, Carman Chan, LEW Moorman, PAT Matthews, YEE LEE, Galvanize, Techstars | Announced |