diff --git a/backend/db/migrations/0059_bankstatement_notes.sql b/backend/db/migrations/0059_bankstatement_notes.sql
new file mode 100644
index 0000000..6984c51
--- /dev/null
+++ b/backend/db/migrations/0059_bankstatement_notes.sql
@@ -0,0 +1 @@
+ALTER TABLE "bankstatements" ADD COLUMN "notes" text;
diff --git a/backend/db/migrations/meta/_journal.json b/backend/db/migrations/meta/_journal.json
index 16f3b5b..f0c6f9d 100644
--- a/backend/db/migrations/meta/_journal.json
+++ b/backend/db/migrations/meta/_journal.json
@@ -393,6 +393,13 @@
       "when": 1786023052994,
       "tag": "0058_global_reference_data",
       "breakpoints": true
+    },
+    {
+      "idx": 56,
+      "version": "7",
+      "when": 1786082400000,
+      "tag": "0059_bankstatement_notes",
+      "breakpoints": true
     }
   ]
 }
diff --git a/backend/db/schema/bankstatements.ts b/backend/db/schema/bankstatements.ts
index c69ee2e..b28082f 100644
--- a/backend/db/schema/bankstatements.ts
+++ b/backend/db/schema/bankstatements.ts
@@ -34,6 +34,7 @@ export const bankstatements = pgTable("bankstatements", {
     credName: text("credName"),
 
     text: text("text"),
+    notes: text("notes"),
     amount: doublePrecision("amount").notNull(),
 
     tenant: bigint("tenant", { mode: "number" })
diff --git a/frontend/pages/banking/statements/[mode]/[[id]].vue b/frontend/pages/banking/statements/[mode]/[[id]].vue
index b129af5..de61cd1 100644
--- a/frontend/pages/banking/statements/[mode]/[[id]].vue
+++ b/frontend/pages/banking/statements/[mode]/[[id]].vue
@@ -39,6 +39,7 @@ const ownaccounts = ref([])
 
 const loading = ref(true)
 const loadingDocuments = ref(true)
+const savingNotes = ref(false)
 
 const rebuildDocumentLists = () => {
   const documents = createddocuments.value.filter(i => i.type === "invoices" || i.type === "advanceInvoices")
@@ -260,6 +261,22 @@ const removeAllocation = async (allocationId) => {
   manualAllocationSum.value = calculateOpenSum.value
 }
 
+const saveNotes = async () => {
+  savingNotes.value = true
+  try {
+    const notes = String(itemInfo.value.notes || "").trim() || null
+    const updated = await useEntities("bankstatements").update(itemInfo.value.id, {notes}, true)
+    itemInfo.value.notes = updated.notes
+    oldItemInfo.value.notes = updated.notes
+  } finally {
+    savingNotes.value = false
+  }
+}
+
+const notesChanged = computed(() =>
+    String(itemInfo.value?.notes || "").trim() !== String(oldItemInfo.value?.notes || "").trim()
+)
+
 const searchString = ref(tempStore.searchStrings["bankstatementsedit"] || '')
 
 const clearSearchString = () => {
@@ -595,6 +612,28 @@ setup()
             </div>
           </div>
 
+          <div class="mt-3">
+            <UFormField label="Notiz" size="sm">
+              <UTextarea
+                  v-model="itemInfo.notes"
+                  :rows="3"
+                  autoresize
+                  placeholder="Interne Notiz zu dieser Bankbuchung hinzufügen …"
+              />
+            </UFormField>
+            <div class="mt-2 flex justify-end">
+              <UButton
+                  icon="i-heroicons-check"
+                  size="sm"
+                  :disabled="!notesChanged"
+                  :loading="savingNotes"
+                  @click="saveNotes"
+              >
+                Notiz speichern
+              </UButton>
+            </div>
+          </div>
+
           <div class="mt-4">
             <div class="flex justify-between text-xs mb-1 font-medium">
                 <span :class="calculateOpenSum != 0 ? 'text-amber-600' : 'text-green-600'">