About Qualys
Qualys, Inc. provides cloud-based security, compliance, and IT solutions through its Qualys Enterprise TruRisk Platform. A single agent continuously delivers security intelligence and automates vulnerability detection, compliance, and protection across IT systems, workloads, and web applications. The platform supports environments including on premises infrastructure, endpoints, servers, public and private clouds, containers, and mobile devices.
More than 10,000 subscription customers worldwide use the platform, including a majority of the Forbes Global 100 and Fortune 100. Qualys is designed to help organizations consolidate security and compliance functions into a single system for automation and management across a broad set of assets and environments.
Founded in 1999 and based in Foster, California, Qualys was one of the first SaaS security companies. Strategic partnerships and integrations include Amazon Web Services, Google Cloud Platform, Microsoft Azure, as well as managed service providers and global consulting organizations. The company employs between 1,001 and 5,000 people.
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Insights
Updated 21 Aug 2026Qualys is shaping its platform around fast vulnerability detection and response in a crowded cybersecurity market. In its blog, the company points to support for detecting and mitigating a Windows Defender zero-day, and says Qualys VMDR provides detection for the issue. That points to a product strategy built around helping customers spot urgent threats and act on them quickly.
Broader market trends also line up with Qualys’ security focus. A payment security market report projects the segment will rise from USD 36.48 billion in 2026 to USD 82.17 billion by 2033, and while that report is not specific to Qualys, it still signals ongoing demand for security tools across enterprise environments. That fits with Qualys’ vulnerability management and detection-response positioning.
Investor sentiment around Qualys looks mixed. Recent filings show First National Bank of Omaha opened a new position in the company and Aurora Investment Counsel also acquired a new position, while Bank of America Corp DE reduced its stake by 24.0% in the first quarter. Those moves point to continued institutional interest, but also some portfolio rotation rather than a clear bullish consensus.
Frequently asked questions
Qualys is headquartered in Foster, California, United States.
Qualys has 1001-5000 employees according to its company profile.
Qualys operates in the Computer & Network Security sector. Public valuation figures are not always disclosed for private companies.