Flagship explainer

How QUALYS, INC. makes its money

Start with a dollar of revenue and follow what the filing says remains.

revenueBranching filed flows with values and percentages directly labeled. Missing filing concepts are omitted rather than estimated.Revenue$669M · 100%Cost of revenue$115M · 17%Gross profit$554M · 83%Operating income$222M · 33%Income before tax$247M · 37%Income tax$48.5M · 7%Net income$198M · 30%As of 2025-12-31 · 1 SEC filing sourceBuy Like Buffett · buylikebuffett.com

Honest partial: the filing did not provide a normalized tag for Research and development, Selling, general and administrative; those components are omitted, not plugged.

Table alternative
Filed lineValue% of revenueSource
$669M100%
Cost of revenue$115M17%
$554M83%
$222M33%
Income before tax$247M37%
Income tax$48.5M7%
$198M30%
Source: · event Dec 31, 2025 · retrieved Jul 26, 2026 · annual-row source set
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QLYS income explainer — Buy Like Buffett · Buy Like Buffett