diff --git a/apps/hq-web/src/Layout.tsx b/apps/hq-web/src/Layout.tsx
index f2fec9a..436bdef 100644
--- a/apps/hq-web/src/Layout.tsx
+++ b/apps/hq-web/src/Layout.tsx
@@ -45,7 +45,7 @@ export function Layout() {
     fetch('/api/health').then((r) => setHealthy(r.ok)).catch(() => setHealthy(false))
   }, [])
 
-  // Reminder-queue badge (Dashboard nav item) — refreshed on every route change.
+  // Reminder-queue badge (Reminders nav item) — refreshed on every route change.
   // Uses the honest scoped `total` (never rows.length): staff badge counts match
   // their own queue, and pagination cannot under-count.
   useEffect(() => {
diff --git a/apps/hq-web/src/pages/Modules.tsx b/apps/hq-web/src/pages/Modules.tsx
index f629395..154ef09 100644
--- a/apps/hq-web/src/pages/Modules.tsx
+++ b/apps/hq-web/src/pages/Modules.tsx
@@ -27,6 +27,20 @@ export function Modules() {
   const modules = useData(getModules, [])
   const [creating, setCreating] = useState(false)
   const [selected, setSelected] = useState<Module | undefined>()
+  // How many clients sit on each module — one lightweight roster count per module,
+  // best-effort so a slow/failed one never blocks the table (cell shows '…' until then).
+  const [clientCounts, setClientCounts] = useState<Record<string, number>>({})
+  useEffect(() => {
+    const ms = modules.data
+    if (ms === undefined) return
+    let live = true
+    ms.forEach((m) => {
+      getModuleClients(m.id, 1)
+        .then((r) => { if (live) setClientCounts((c) => ({ ...c, [m.id]: r.total })) })
+        .catch(() => { /* best-effort */ })
+    })
+    return () => { live = false }
+  }, [modules.data])
 
   return (
     <div className="wf-page">
@@ -43,12 +57,14 @@ export function Modules() {
         <DataTable
           columns={[
             { key: 'code', label: 'Code', mono: true }, { key: 'name', label: 'Name' },
+            { key: 'clients', label: 'Clients', numeric: true },
             { key: 'sac', label: 'SAC' }, { key: 'kinds', label: 'Billing kinds' },
             { key: 'multi', label: 'Multi-sub' }, { key: 'active', label: 'Active' },
           ]}
           onRowClick={(_row, i) => setSelected(modules.data![i])}
           rows={modules.data.map((m) => ({
             code: m.code, name: m.name, sac: m.sac,
+            clients: clientCounts[m.id] !== undefined ? clientCounts[m.id] : '…',
             kinds: m.allowedKinds.map((k) => KIND_LABEL[k]).join(' · '),
             multi: m.multiSubscription ? <Badge tone="accent">yes</Badge> : '—',
             active: m.active ? <Badge tone="ok">active</Badge> : <Badge>inactive</Badge>,