diff --git a/backend/src/main/java/de/svencarstensen/muh/domain/AppUser.java b/backend/src/main/java/de/svencarstensen/muh/domain/AppUser.java
index 40af62c..2712491 100644
--- a/backend/src/main/java/de/svencarstensen/muh/domain/AppUser.java
+++ b/backend/src/main/java/de/svencarstensen/muh/domain/AppUser.java
@@ -19,6 +19,10 @@ public record AppUser(
         String city,
         String email,
         String phoneNumber,
+        String accountHolder,
+        String bankName,
+        String iban,
+        String bic,
         String passwordHash,
         boolean active,
         UserRole role,
diff --git a/backend/src/main/java/de/svencarstensen/muh/service/CatalogService.java b/backend/src/main/java/de/svencarstensen/muh/service/CatalogService.java
index aa2f117..2008967 100644
--- a/backend/src/main/java/de/svencarstensen/muh/service/CatalogService.java
+++ b/backend/src/main/java/de/svencarstensen/muh/service/CatalogService.java
@@ -436,6 +436,10 @@ public class CatalogService {
                     adminManaged ? blankToNull(mutation.city()) : null,
                     normalizeEmail(mutation.email()),
                     adminManaged ? blankToNull(mutation.phoneNumber()) : null,
+                    adminManaged ? blankToNull(mutation.accountHolder()) : null,
+                    adminManaged ? blankToNull(mutation.bankName()) : null,
+                    adminManaged ? blankToNull(mutation.iban()) : null,
+                    adminManaged ? blankToNull(mutation.bic()) : null,
                     encodeIfPresent(mutation.password()),
                     mutation.active(),
                     adminManaged ? normalizeManagedRole(mutation.role()) : UserRole.CUSTOMER,
@@ -467,6 +471,10 @@ public class CatalogService {
                 isPrimaryUser(existing) || actor.role() == UserRole.ADMIN ? blankToNull(mutation.city()) : existing.city(),
                 normalizeEmail(mutation.email()),
                 isPrimaryUser(existing) || actor.role() == UserRole.ADMIN ? blankToNull(mutation.phoneNumber()) : existing.phoneNumber(),
+                isPrimaryUser(existing) || actor.role() == UserRole.ADMIN ? blankToNull(mutation.accountHolder()) : existing.accountHolder(),
+                isPrimaryUser(existing) || actor.role() == UserRole.ADMIN ? blankToNull(mutation.bankName()) : existing.bankName(),
+                isPrimaryUser(existing) || actor.role() == UserRole.ADMIN ? blankToNull(mutation.iban()) : existing.iban(),
+                isPrimaryUser(existing) || actor.role() == UserRole.ADMIN ? blankToNull(mutation.bic()) : existing.bic(),
                 isBlank(mutation.password()) ? existing.passwordHash() : passwordEncoder.encode(mutation.password()),
                 mutation.active(),
                 actor.role() == UserRole.ADMIN
@@ -516,6 +524,10 @@ public class CatalogService {
                 existing.city(),
                 existing.email(),
                 existing.phoneNumber(),
+                existing.accountHolder(),
+                existing.bankName(),
+                existing.iban(),
+                existing.bic(),
                 passwordEncoder.encode(newPassword),
                 existing.active(),
                 existing.role(),
@@ -580,6 +592,10 @@ public class CatalogService {
                 city,
                 normalizedEmail,
                 phoneNumber,
+                null,
+                null,
+                null,
+                null,
                 passwordEncoder.encode(mutation.password()),
                 false,
                 UserRole.CUSTOMER,
@@ -600,6 +616,10 @@ public class CatalogService {
                 created.city(),
                 created.email(),
                 created.phoneNumber(),
+                created.accountHolder(),
+                created.bankName(),
+                created.iban(),
+                created.bic(),
                 created.passwordHash(),
                 false,
                 created.role(),
@@ -708,6 +728,10 @@ public class CatalogService {
                 user.city(),
                 user.email(),
                 user.phoneNumber(),
+                user.accountHolder(),
+                user.bankName(),
+                user.iban(),
+                user.bic(),
                 user.active(),
                 normalizeStoredRole(user.role()),
                 user.updatedAt()
@@ -743,6 +767,10 @@ public class CatalogService {
                 user.city(),
                 user.email(),
                 user.phoneNumber(),
+                user.accountHolder(),
+                user.bankName(),
+                user.iban(),
+                user.bic(),
                 normalizeStoredRole(user.role())
         );
     }
@@ -835,6 +863,10 @@ public class CatalogService {
                         user.city(),
                         user.email(),
                         user.phoneNumber(),
+                        user.accountHolder(),
+                        user.bankName(),
+                        user.iban(),
+                        user.bic(),
                         user.passwordHash(),
                         user.active(),
                         normalizeStoredRole(user.role()),
@@ -870,6 +902,10 @@ public class CatalogService {
                 null,
                 email,
                 null,
+                null,
+                null,
+                null,
+                null,
                 passwordEncoder.encode(rawPassword),
                 true,
                 role,
@@ -997,6 +1033,10 @@ public class CatalogService {
             String city,
             String email,
             String phoneNumber,
+            String accountHolder,
+            String bankName,
+            String iban,
+            String bic,
             UserRole role
     ) {
     }
@@ -1066,6 +1106,10 @@ public class CatalogService {
             String city,
             String email,
             String phoneNumber,
+            String accountHolder,
+            String bankName,
+            String iban,
+            String bic,
             boolean active,
             UserRole role,
             LocalDateTime updatedAt
@@ -1083,6 +1127,10 @@ public class CatalogService {
             String city,
             String email,
             String phoneNumber,
+            String accountHolder,
+            String bankName,
+            String iban,
+            String bic,
             String password,
             boolean active,
             UserRole role
diff --git a/frontend/src/lib/types.ts b/frontend/src/lib/types.ts
index 0827db6..45eca78 100644
--- a/frontend/src/lib/types.ts
+++ b/frontend/src/lib/types.ts
@@ -62,6 +62,10 @@ export interface UserOption {
   city: string | null;
   email: string | null;
   phoneNumber: string | null;
+  accountHolder: string | null;
+  bankName: string | null;
+  iban: string | null;
+  bic: string | null;
   role: UserRole;
 }
 
diff --git a/frontend/src/pages/AdminProfilePage.tsx b/frontend/src/pages/AdminProfilePage.tsx
index 93f222d..0d43d8d 100644
--- a/frontend/src/pages/AdminProfilePage.tsx
+++ b/frontend/src/pages/AdminProfilePage.tsx
@@ -18,6 +18,10 @@ export default function AdminProfilePage() {
     city: "",
     email: "",
     phoneNumber: "",
+    accountHolder: "",
+    bankName: "",
+    iban: "",
+    bic: "",
   });
 
   // Load current user data
@@ -36,6 +40,10 @@ export default function AdminProfilePage() {
             city: currentUser.city || "",
             email: currentUser.email || "",
             phoneNumber: currentUser.phoneNumber || "",
+            accountHolder: currentUser.accountHolder || "",
+            bankName: currentUser.bankName || "",
+            iban: currentUser.iban || "",
+            bic: currentUser.bic || "",
           });
         }
       } catch (error) {
@@ -77,6 +85,10 @@ export default function AdminProfilePage() {
         city: formData.city.trim() || null,
         email: formData.email.trim(),
         phoneNumber: formData.phoneNumber.trim() || null,
+        accountHolder: formData.accountHolder.trim() || null,
+        bankName: formData.bankName.trim() || null,
+        iban: formData.iban.trim() || null,
+        bic: formData.bic.trim() || null,
         active: true,
       });
 
@@ -92,6 +104,10 @@ export default function AdminProfilePage() {
           city: response.city,
           email: response.email,
           phoneNumber: response.phoneNumber,
+          accountHolder: response.accountHolder,
+          bankName: response.bankName,
+          iban: response.iban,
+          bic: response.bic,
         });
       }
 
@@ -122,7 +138,7 @@ export default function AdminProfilePage() {
           <p className="eyebrow">Stammdaten</p>
           <h3>Meine Stammdaten</h3>
           <p className="muted-text">
-            Verwalten Sie hier Ihre persönlichen und Unternehmensdaten.
+            Verwalten Sie hier Ihre persönlichen, Unternehmens- und Bankdaten.
           </p>
         </div>
       </section>
@@ -140,12 +156,12 @@ export default function AdminProfilePage() {
         </div>
       )}
 
-      {/* Stammdaten-Formular */}
+      {/* Persönliche Daten */}
       <section className="section-card">
         <div className="section-card__header">
           <div>
             <p className="eyebrow">Profil</p>
-            <h3>Stammdaten bearbeiten</h3>
+            <h3>Persönliche Daten</h3>
           </div>
         </div>
 
@@ -255,19 +271,84 @@ export default function AdminProfilePage() {
               disabled={saving}
             />
           </label>
-
-          <div className="field" style={{ gridColumn: "1 / -1" }}>
-            <button
-              type="submit"
-              className="accent-button"
-              disabled={saving}
-            >
-              {saving ? "Wird gespeichert..." : "Stammdaten speichern"}
-            </button>
-          </div>
         </form>
       </section>
 
+      {/* Bankverbindung */}
+      <section className="section-card">
+        <div className="section-card__header">
+          <div>
+            <p className="eyebrow">Zahlung</p>
+            <h3>Bankverbindung</h3>
+          </div>
+        </div>
+
+        <div className="field-grid field-grid--2col">
+          <label className="field">
+            <span>Kontoinhaber</span>
+            <input
+              type="text"
+              value={formData.accountHolder}
+              onChange={(e) =>
+                setFormData({ ...formData, accountHolder: e.target.value })
+              }
+              placeholder="Name des Kontoinhabers"
+              disabled={saving}
+            />
+          </label>
+
+          <label className="field">
+            <span>Bankname</span>
+            <input
+              type="text"
+              value={formData.bankName}
+              onChange={(e) =>
+                setFormData({ ...formData, bankName: e.target.value })
+              }
+              placeholder="Name der Bank"
+              disabled={saving}
+            />
+          </label>
+
+          <label className="field">
+            <span>IBAN</span>
+            <input
+              type="text"
+              value={formData.iban}
+              onChange={(e) =>
+                setFormData({ ...formData, iban: e.target.value })
+              }
+              placeholder="DE12 3456 7890 1234 5678 90"
+              disabled={saving}
+            />
+          </label>
+
+          <label className="field">
+            <span>BIC</span>
+            <input
+              type="text"
+              value={formData.bic}
+              onChange={(e) =>
+                setFormData({ ...formData, bic: e.target.value })
+              }
+              placeholder="ABCDEFGHXXX"
+              disabled={saving}
+            />
+          </label>
+        </div>
+
+        <div className="field" style={{ marginTop: "1rem" }}>
+          <button
+            type="button"
+            className="accent-button"
+            onClick={handleSubmit}
+            disabled={saving}
+          >
+            {saving ? "Wird gespeichert..." : "Stammdaten speichern"}
+          </button>
+        </div>
+      </section>
+
       {/* Info-Box */}
       <section className="section-card">
         <div className="info-panel">