diff --git a/addon/components/utils/account-banner.hbs b/addon/components/utils/account-banner.hbs
index a16d497b..d3792283 100644
--- a/addon/components/utils/account-banner.hbs
+++ b/addon/components/utils/account-banner.hbs
@@ -21,44 +21,58 @@
       {{/if}}
 
       {{#if (or @subtitle (has-block "custom-subtitle"))}}
-        <div
-          class={{concat
-            "account-banner__selection fx-row fx-gap-px-6 fx-xalign-center "
-            (unless this.canSelectItem " account-banner__selection--unique-account")
-          }}
-          role="button"
-          data-control-name="account-banner-selection-subtitle"
-          {{on "click" this.toggleSelectionDropdown}}
-          {{on-click-outside this.closeSelectionDropdown}}
-        >
-          {{#if @subtitle}}
-            <span
-              class="font-color-gray-500 text-ellipsis font-size-sm"
-              data-control-name="account-banner-selected-item-label"
-            >
-              {{@subtitle}}
-            </span>
-          {{else if (has-block "custom-subtitle")}}
-            {{yield to="custom-subtitle"}}
-          {{/if}}
-
-          {{#if this.canSelectItem}}
-            <OSS::Icon
-              @icon={{if this.displaySelectableItems "fa-chevron-up" "fa-chevron-down"}}
-              class="font-color-gray-500"
-            />
+        {{#if @subtitle}}
+          <div class="fx-col fx-gap-px-3">
             <div
-              class="upf-floating-menu upf-floating-menu--{{if this.displaySelectableItems 'visible' 'hidden'}}"
+              class={{concat
+                "account-banner__selection fx-row fx-gap-px-6 fx-xalign-center "
+                (unless this.canSelectItem " account-banner__selection--unique-account")
+              }}
+              role="button"
+              data-control-name="account-banner-selection-subtitle"
+              {{on "click" this.toggleSelectionDropdown}}
               {{on-click-outside this.closeSelectionDropdown}}
             >
-              {{#each @selectableItems as |item|}}
-                {{#if (has-block "selectable-item")}}
-                  {{yield item this.closeSelectionDropdown to="selectable-item"}}
-                {{/if}}
-              {{/each}}
+              {{#if @required}}
+                <span
+                  class="fx-row font-color-gray-500 text-ellipsis font-size-sm"
+                  data-control-name="account-banner-selected-item-label"
+                  {{required-input}}
+                >
+                  {{@subtitle}}
+                </span>
+              {{else}}
+                <span
+                  class="font-color-gray-500 text-ellipsis font-size-sm"
+                  data-control-name="account-banner-selected-item-label"
+                >
+                  {{@subtitle}}
+                </span>
+              {{/if}}
+
+              {{#if this.canSelectItem}}
+                <OSS::Icon
+                  @icon={{if this.displaySelectableItems "fa-chevron-up" "fa-chevron-down"}}
+                  class="font-color-gray-500"
+                />
+                <div class="upf-floating-menu upf-floating-menu--{{if this.displaySelectableItems 'visible' 'hidden'}}">
+                  {{#each @selectableItems as |item|}}
+                    {{#if (has-block "selectable-item")}}
+                      {{yield item this.closeSelectionDropdown to="selectable-item"}}
+                    {{/if}}
+                  {{/each}}
+                </div>
+              {{/if}}
             </div>
-          {{/if}}
-        </div>
+            {{#if this.feedbackMessage}}
+              <span class={{concat "font-color-" this.feedbackMessage.type "-500"}}>
+                {{this.feedbackMessage.value}}
+              </span>
+            {{/if}}
+          </div>
+        {{else if (has-block "custom-subtitle")}}
+          {{yield to="custom-subtitle"}}
+        {{/if}}
       {{/if}}
     </div>
 
diff --git a/addon/components/utils/account-banner.ts b/addon/components/utils/account-banner.ts
index ffc9caf7..4872b9d8 100644
--- a/addon/components/utils/account-banner.ts
+++ b/addon/components/utils/account-banner.ts
@@ -3,6 +3,8 @@ import { isBlank } from '@ember/utils';
 import Component from '@glimmer/component';
 import { tracked } from '@glimmer/tracking';
 
+import { type FeedbackMessage } from '@upfluence/oss-components/components/o-s-s/input-container';
+
 type SkinType = 'success' | 'error' | 'warning';
 
 export type Alert = {
@@ -27,11 +29,21 @@ interface UtilsAccountBannerArgs {
 
   canSelectItem?: boolean;
   selectableItems?: any[];
+  feedbackMessage?: FeedbackMessage;
+  required?: boolean;
 }
 
 export default class extends Component<UtilsAccountBannerArgs> {
   @tracked displaySelectableItems: boolean = false;
 
+  get feedbackMessage(): FeedbackMessage | undefined {
+    return this.args.feedbackMessage;
+  }
+
+  get isErrored(): boolean {
+    return this.feedbackMessage?.type === 'error';
+  }
+
   get disabledClass(): string {
     return this.args.disabled ? 'account-banner--disabled' : '';
   }
@@ -41,6 +53,7 @@ export default class extends Component<UtilsAccountBannerArgs> {
   }
 
   get borderColorClass(): string {
+    if (this.isErrored) return 'account-banner--error';
     if (this.args.skin) return `account-banner--${this.args.skin}`;
     return '';
   }
diff --git a/tests/integration/components/utils/account-banner-test.ts b/tests/integration/components/utils/account-banner-test.ts
index 4396846f..63ac852a 100644
--- a/tests/integration/components/utils/account-banner-test.ts
+++ b/tests/integration/components/utils/account-banner-test.ts
@@ -10,6 +10,20 @@ module('Integration | Component | utils/account-banner', function (hooks) {
   setupRenderingTest(hooks);
   setupIntl(hooks);
 
+  module('rendering', function () {
+    test('it renders', async function (assert) {
+      await render(hbs`<Utils::AccountBanner />`);
+
+      assert.dom('.account-banner').exists();
+    });
+
+    test('it forwards HTML attributes', async function (assert) {
+      await render(hbs`<Utils::AccountBanner data-test="banner" />`);
+
+      assert.dom('.account-banner[data-test="banner"]').exists();
+    });
+  });
+
   module('modifier classes', function () {
     test('it renders with no modifier classes by default', async function (assert) {
       await render(hbs`<Utils::AccountBanner />`);
@@ -57,6 +71,27 @@ module('Integration | Component | utils/account-banner', function (hooks) {
     });
   });
 
+  module('icon / image', function () {
+    test('it renders @icon', async function (assert) {
+      await render(hbs`<Utils::AccountBanner @icon="fa-circle" />`);
+
+      assert.dom('.upf-badge').exists();
+    });
+
+    test('it renders @image as a badge', async function (assert) {
+      await render(hbs`<Utils::AccountBanner @image="/some/image.svg" />`);
+
+      assert.dom('.icon-in-badge').exists();
+    });
+
+    test('@icon takes precedence over @image', async function (assert) {
+      await render(hbs`<Utils::AccountBanner @icon="fa-circle" @image="/some/image.svg" />`);
+
+      assert.dom('.upf-badge').exists();
+      assert.dom('.icon-in-badge').doesNotExist();
+    });
+  });
+
   module('title', function () {
     test('it renders @title', async function (assert) {
       await render(hbs`<Utils::AccountBanner @title="title" />`);
@@ -89,7 +124,7 @@ module('Integration | Component | utils/account-banner', function (hooks) {
     test('it renders @subtitle', async function (assert) {
       await render(hbs`<Utils::AccountBanner @subtitle="subtitle" />`);
 
-      assert.dom('[data-control-name="account-banner-selected-item-label"]').hasText('subtitle');
+      assert.dom('[data-control-name="account-banner-selected-item-label"]').containsText('subtitle');
     });
 
     test('it renders custom-subtitle block', async function (assert) {
@@ -113,30 +148,36 @@ module('Integration | Component | utils/account-banner', function (hooks) {
       assert.dom('.custom-sub').doesNotExist();
     });
 
+    test('it marks subtitle as required when @required is true', async function (assert) {
+      await render(hbs`<Utils::AccountBanner @subtitle="subtitle" @required={{true}} />`);
+
+      assert.dom('[data-control-name="account-banner-selected-item-label"]').hasText('subtitle *');
+    });
+
+    test('it does not mark subtitle as required when @required is not set', async function (assert) {
+      await render(hbs`<Utils::AccountBanner @subtitle="subtitle" />`);
+
+      assert.dom('[data-control-name="account-banner-selected-item-label"]').hasText('subtitle');
+    });
+
     test('account-banner__selection is not rendered without subtitle or custom-subtitle', async function (assert) {
       await render(hbs`<Utils::AccountBanner />`);
 
       assert.dom('.account-banner__selection').doesNotExist();
     });
-  });
 
-  module('actions block', function () {
-    test('it renders the actions block', async function (assert) {
-      await render(hbs`
-        <Utils::AccountBanner>
-          <:actions><span class="action">action</span></:actions>
-        </Utils::AccountBanner>
-      `);
+    test('unique-account class is applied when canSelectItem is false', async function (assert) {
+      await render(hbs`<Utils::AccountBanner @subtitle="label" />`);
 
-      assert.dom('.action').exists();
+      assert.dom('.account-banner__selection--unique-account').exists();
     });
   });
 
-  module('dropdown', function () {
+  module('selection dropdown', function () {
     test('chevron is not rendered without canSelectItem', async function (assert) {
       await render(hbs`<Utils::AccountBanner @subtitle="label" @selected={{true}} />`);
 
-      assert.dom('.fa-chevron-down').doesNotExist();
+      assert.dom('.fa-chevron-down, [data-icon="chevron-down"]').doesNotExist();
     });
 
     test('chevron is not rendered with only 1 item', async function (assert) {
@@ -149,10 +190,12 @@ module('Integration | Component | utils/account-banner', function (hooks) {
         />
       `);
 
-      assert.dom('[data-icon="chevron-down"]').doesNotExist();
+      assert.dom('.fa-chevron-down, [data-icon="chevron-down"]').doesNotExist();
     });
 
     test('chevron is rendered with canSelectItem and multiple items', async function (assert) {
+      this.set('items', SELECTABLE_ITEMS);
+
       await render(hbs`
         <Utils::AccountBanner
           @subtitle="label"
@@ -162,7 +205,6 @@ module('Integration | Component | utils/account-banner', function (hooks) {
         />
       `);
 
-      this.set('items', SELECTABLE_ITEMS);
       assert.dom('.fa-chevron-down, [data-icon="chevron-down"]').exists();
     });
 
@@ -286,11 +328,45 @@ module('Integration | Component | utils/account-banner', function (hooks) {
 
       assert.strictEqual(findAll('.item').length, SELECTABLE_ITEMS.length);
     });
+  });
 
-    test('unique-account class applied when canSelectItem is false', async function (assert) {
+  module('feedback message', function () {
+    test('it does not render any feedback message by default', async function (assert) {
       await render(hbs`<Utils::AccountBanner @subtitle="label" />`);
 
-      assert.dom('.account-banner__selection--unique-account').exists();
+      assert.dom('.account-banner__selection + span').doesNotExist();
+    });
+
+    test('it renders an error feedback message', async function (assert) {
+      this.set('feedback', { type: 'error', value: 'Required field' });
+      await render(hbs`<Utils::AccountBanner @subtitle="label" @feedbackMessage={{this.feedback}} />`);
+
+      assert.dom('.account-banner__selection + span').exists();
+      assert.dom('.account-banner__selection + span').hasClass('font-color-error-500');
+      assert.dom('.account-banner__selection + span').hasText('Required field');
+    });
+
+    test('it renders a warning feedback message', async function (assert) {
+      this.set('feedback', { type: 'warning', value: 'Be careful' });
+      await render(hbs`<Utils::AccountBanner @subtitle="label" @feedbackMessage={{this.feedback}} />`);
+
+      assert.dom('.account-banner__selection + span').exists();
+      assert.dom('.account-banner__selection + span').hasClass('font-color-warning-500');
+      assert.dom('.account-banner__selection + span').hasText('Be careful');
+    });
+
+    test('it applies error border class when feedbackMessage type is error', async function (assert) {
+      this.set('feedback', { type: 'error', value: 'Required field' });
+      await render(hbs`<Utils::AccountBanner @subtitle="label" @feedbackMessage={{this.feedback}} />`);
+
+      assert.dom('.account-banner').hasClass('account-banner--error');
+    });
+
+    test('it does not apply error border class when feedbackMessage type is warning', async function (assert) {
+      this.set('feedback', { type: 'warning', value: 'Be careful' });
+      await render(hbs`<Utils::AccountBanner @subtitle="label" @feedbackMessage={{this.feedback}} />`);
+
+      assert.dom('.account-banner').hasNoClass('account-banner--error');
     });
   });
 
@@ -328,17 +404,15 @@ module('Integration | Component | utils/account-banner', function (hooks) {
     });
   });
 
-  module('image / icon', function () {
-    test('it renders @image as a badge', async function (assert) {
-      await render(hbs`<Utils::AccountBanner @image="/some/image.svg" />`);
-
-      assert.dom('.icon-in-badge').exists();
-    });
-
-    test('it renders @icon', async function (assert) {
-      await render(hbs`<Utils::AccountBanner @icon="fa-circle" />`);
+  module('actions block', function () {
+    test('it renders the actions block', async function (assert) {
+      await render(hbs`
+        <Utils::AccountBanner>
+          <:actions><span class="action">action</span></:actions>
+        </Utils::AccountBanner>
+      `);
 
-      assert.dom('.upf-badge').exists();
+      assert.dom('.action').exists();
     });
   });
 });