Qualys
Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.
Market Share of Qualys
Current Customer(s)
2724
Market Share (Est.)
7.05%
Ranking
#4
Top Competitors and Alternatives of Qualys
The top three of Qualys’s competitors in the Endpoint Security category are Sophos with 20.38%, Trend Micro with 13.10%, WatchGuard with 8.64% market share.
Popular Comparisons
Top Competitors and Alternatives of Qualys
The top three of Qualys’s competitors in the Endpoint Security category are Sophos with 20.38%, Trend Micro with 13.10%, WatchGuard with 8.64% market share.
Qualys vs Sophos
Qualys vs Trend Micro
Qualys vs WatchGuard
Qualys vs Symantec Endpoint Protection
Qualys vs OpenVPN
Qualys vs LANDESK
Qualys vs Microsoft Defender for Endpoint
Qualys vs IBM BigFix
Customers of Qualys
Around the world in 2025, over 2719 companies have started using Qualys as Endpoint Security tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Insight | 10,000+ | Chandler | Arizona | United States |     |
| Sogeti | 10,000+ | Paris | Ile-de-France | France | |
| Grant Thornton | 10,000+ | London | England | United Kingdom | |
| Auburn University | 10,000+ | Auburn | Alabama | United States | |
| Vodafone | 10,000+ | London | England | United Kingdom | |
| Kyndryl | 10,000+ | New York City | New York | United States | |
| NASA - National Aeronautics & Space Administration | 10,000+ | Washington, D.C. | Washington, D.C. | United States | |
| Academy | 10,000+ | Katy | Texas | United States | |
| Harland Clarke | 10,000+ | San Antonio | Texas | United States | |
| Santander Bank | 10,000+ | Boston | Massachusetts | United States | |
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Qualys Customers by Products and Services
The top three products and services offering customers that use Qualys for Endpoint Security are Cloud Services (105), Cybersecurity (104), Insurance (95).
Customers
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Qualys Customers by Employee Size
The majority of Qualys's customers for the endpoint-security category fall in the company size of 10,000+ employees (606 companies), 1,000 - 4,999 employees (559 companies), 100 - 249 employees (315 companies).
Employee Size
Qualys Customers by Geography
The top three geographies of Qualys for endpoint-security are the United States with 1480(65.66%), United Kingdom with 201(8.92%), India with 156(6.92%) customers respectively.
Customers
Employees of Qualys
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FAQ
Find answers to the most often asked questions by users.
Who are the top Qualys competitors?
Qualys’s Top competitors in the endpoint-security category are Sophos, Trend Micro, WatchGuard. You can view a full list of Qualys competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Qualys and 40,000 other technologies on the internet. You can also compare Qualys and its feature with top competitors here : Qualys vs Sophos Qualys vs Trend Micro Qualys vs WatchGuard.
What is Qualys customer distribution based on company size?
What is Qualys market share in the endpoint-security?
What are the top countries that use Qualys?
What are the top industries that use Qualys?
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