diff --git a/modules/mailchimp_signup/config/schema/mailchimp_signup.schema.yml b/modules/mailchimp_signup/config/schema/mailchimp_signup.schema.yml
index 562ce01..967e516 100644
--- a/modules/mailchimp_signup/config/schema/mailchimp_signup.schema.yml
+++ b/modules/mailchimp_signup/config/schema/mailchimp_signup.schema.yml
@@ -62,6 +62,9 @@ mailchimp_signup.mailchimp_signup.*:
         destination:
           type: string
           label: 'Destination'
+        ajax:
+          type: boolean
+          label: 'Ajax form submit'
         mergefields:
           type: sequence
           label: 'Mergefields'
diff --git a/modules/mailchimp_signup/src/Form/MailchimpSignupForm.php b/modules/mailchimp_signup/src/Form/MailchimpSignupForm.php
index 59cff01..5937431 100644
--- a/modules/mailchimp_signup/src/Form/MailchimpSignupForm.php
+++ b/modules/mailchimp_signup/src/Form/MailchimpSignupForm.php
@@ -153,6 +153,13 @@ class MailchimpSignupForm extends EntityForm {
       '#default_value' => isset($signup->settings['destination']) ? $signup->settings['destination'] : NULL,
     );
 
+    $form['settings']['ajax_submit'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('AJAX Form Submit Mode'),
+      '#description' => t('Select if signup form submit should use AJAX instead of default page reload. Destination page will be ignored if checked.'),
+      '#default_value' => isset($signup->settings['ajax_submit']) ? $signup->settings['ajax_submit'] : FALSE,
+    );
+
     $form['mc_lists_config'] = array(
       '#type' => 'details',
       '#title' => $this->t('Mailchimp Audience Selection & Configuration'),
diff --git a/modules/mailchimp_signup/src/Form/MailchimpSignupPageForm.php b/modules/mailchimp_signup/src/Form/MailchimpSignupPageForm.php
index 8c31251..96c612b 100644
--- a/modules/mailchimp_signup/src/Form/MailchimpSignupPageForm.php
+++ b/modules/mailchimp_signup/src/Form/MailchimpSignupPageForm.php
@@ -2,6 +2,10 @@
 
 namespace Drupal\mailchimp_signup\Form;
 
+use Drupal\Component\Utility\Html;
+use Drupal\Core\Ajax\AjaxResponse;
+use Drupal\Core\Ajax\ChangedCommand;
+use Drupal\Core\Ajax\HtmlCommand;
 use Drupal\Core\Form\FormBase;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Url;
@@ -80,6 +84,16 @@ class MailchimpSignupPageForm extends FormBase {
       '#markup' => $this->signup->description,
     );
 
+    // If the form is configured to submit via AJAX, add an empty container
+    // element. This element is going to be replaced with the returned AJAX
+    // response.
+    if (isset($this->signup->settings['ajax_submit']) && $this->signup->settings['ajax_submit']) {
+      $form['response'] = [
+        '#prefix' => '<div id="mailchimp-response-'.$this->formId.'-wrapper">',
+        '#suffix' => '</div>',
+      ];
+    }
+
     $form['mailchimp_lists'] = array('#tree' => TRUE);
 
     $lists = mailchimp_get_lists($this->signup->mc_lists);
@@ -212,6 +226,19 @@ class MailchimpSignupPageForm extends FormBase {
       '#disabled' => (empty($lists)),
     ];
 
+    // Add a wrapper element to the form if it is configured for AJAX submits.
+    if ($this->signup->settings['ajax_submit']) {
+      $form_wrapper = Html::getId($this->formId);
+      $response_wrapper = "mailchimp-response-{$this->formId}-wrapper";
+      $form['actions']['submit']['#id'] = $form_wrapper . '-edit-submit';
+      $form['#prefix'] = '<div id="' . $form_wrapper . '">';
+      $form['#suffix'] = '</div>';
+      $form['actions']['submit']['#ajax'] = [
+        'callback' => '::ajaxSubmit',
+        'response_wrapper' => $response_wrapper,
+      ];
+    }
+
     return $form;
   }
 
@@ -324,4 +351,31 @@ class MailchimpSignupPageForm extends FormBase {
     $form_state->setRedirectUrl($destination_url);
   }
 
+  /**
+   * Ajax submit handler.
+   *
+   * @param array $form
+   *   The form itself.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   The current form state.
+   *
+   * @return \Drupal\Core\Ajax\AjaxResponse
+   *   A ajax response.
+   */
+  public function ajaxSubmit(array $form, FormStateInterface $form_state) {
+    $response = new AjaxResponse();
+    $response_wrapper_id = '#' . $form['actions']['submit']['#ajax']['response_wrapper'];
+
+    // Simply return any status messages as a content the the response wrapper.
+    $status_messages = ['#type' => 'status_messages'];
+    $content = \Drupal::service('renderer')->renderRoot($status_messages);
+    $response->addCommand(new HtmlCommand($response_wrapper_id, $content));
+
+    // Also add an extra class to the form itself to signify the form changed.
+    $form_wrapper_id = '#' . Html::getId($this->formId);
+    $response->addCommand(new ChangedCommand($form_wrapper_id));
+
+    return $response;
+  }
+
 }