diff --git a/modules/os2forms_nemid/os2forms_nemid.links.menu.yml b/modules/os2forms_nemid/os2forms_nemid.links.menu.yml
new file mode 100644
index 00000000..9b265214
--- /dev/null
+++ b/modules/os2forms_nemid/os2forms_nemid.links.menu.yml
@@ -0,0 +1,5 @@
+os2forms_nemid.settings:
+  title: OS2Forms NemID settings
+  description: Settings for OS2Forms NemID.
+  route_name: os2web_nemid.settings_form
+  parent: system.admin_config_system
diff --git a/modules/os2forms_nemid/os2forms_nemid.routing.yml b/modules/os2forms_nemid/os2forms_nemid.routing.yml
new file mode 100644
index 00000000..6d8af54a
--- /dev/null
+++ b/modules/os2forms_nemid/os2forms_nemid.routing.yml
@@ -0,0 +1,7 @@
+os2web_nemid.settings_form:
+  path: '/admin/config/system/os2forms_nemid'
+  defaults:
+    _title: 'OS2Forms Nemid settings'
+    _form: 'Drupal\os2forms_nemid\Form\SettingsForm'
+  requirements:
+    _permission: 'administer site configuration'
diff --git a/modules/os2forms_nemid/src/EventSubscriber/NemloginRedirectSubscriber.php b/modules/os2forms_nemid/src/EventSubscriber/NemloginRedirectSubscriber.php
index c6d7515e..4d45b0a2 100644
--- a/modules/os2forms_nemid/src/EventSubscriber/NemloginRedirectSubscriber.php
+++ b/modules/os2forms_nemid/src/EventSubscriber/NemloginRedirectSubscriber.php
@@ -5,6 +5,7 @@
 use Drupal\Core\Session\AccountInterface;
 use Drupal\Core\Url;
 use Drupal\os2web_nemlogin\Service\AuthProviderService;
+use Drupal\os2forms_nemid\Form\SettingsForm;
 use Drupal\webform\Entity\Webform;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\HttpKernel\KernelEvents;
@@ -103,7 +104,6 @@ public function redirectToNemlogin(GetResponseEvent $event) {
     if (isset($webformNemidSettings['nemlogin_auto_redirect'])) {
       $nemlogin_auto_redirect = $webformNemidSettings['nemlogin_auto_redirect'];
     }
-
     // Checking if $nemlogin_auto_redirect is on.
     if ($nemlogin_auto_redirect) {
       // Killing cache so that positive or negative redirect decision is not
@@ -120,11 +120,14 @@ public function redirectToNemlogin(GetResponseEvent $event) {
         $event->stopPropagation();
       }
       else {
-        \Drupal::messenger()
-          ->addMessage(t('This webform requires a valid NemID authentication and is not visible without it. You currently have an active NemID authentication session. If you do not want to proceed with this webform press <a href="@logout">log out</a> to return back to the front page.', [
-            '@logout' => $this->nemloginAuthProvider->getLogoutUrl(['query' => ['destination' => Url::fromRoute('<front>')->toString()]])
-              ->toString(),
-          ]));
+        $settingFormConfig = \Drupal::config(SettingsForm::$configName);
+        if (!$settingFormConfig->get('os2forms_nemid_hide_active_nemid_session_message')) {
+            \Drupal::messenger()
+              ->addMessage(t('This webform requires a valid NemID authentication and is not visible without it. You currently have an active NemID authentication session. If you do not want to proceed with this webform press <a href="@logout">log out</a> to return back to the front page.', [
+                '@logout' => $this->nemloginAuthProvider->getLogoutUrl(['query' => ['destination' => Url::fromRoute('<front>')->toString()]])
+                  ->toString(),
+              ]));
+        }
       }
     }
   }
diff --git a/modules/os2forms_nemid/src/Form/SettingsForm.php b/modules/os2forms_nemid/src/Form/SettingsForm.php
new file mode 100644
index 00000000..527aeac6
--- /dev/null
+++ b/modules/os2forms_nemid/src/Form/SettingsForm.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace Drupal\os2forms_nemid\Form;
+
+use Drupal\Core\Form\ConfigFormBase;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Configure os2web_nemid settings for this site.
+ */
+class SettingsForm extends ConfigFormBase {
+
+  /**
+   * Name of the config.
+   *
+   * @var string
+   */
+  public static $configName = 'os2forms_nemid.settings';
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'os2forms_nemid_settings';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getEditableConfigNames() {
+    return [SettingsForm::$configName];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    // Import settings.
+    $form['os2forms_nemid_hide_active_nemid_session_message'] = [
+      '#type' => 'checkbox',
+      '#title' => t('Hide message about active Nemid session, if it exists.'),
+      '#description' => t('If checked, meessage aboout active NemID session will not shown on webform page'),
+      '#default_value' => $this->config(SettingsForm::$configName)
+        ->get('os2forms_nemid_hide_active_nemid_session_message'),
+    ];
+
+    return parent::buildForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    $values = $form_state->getValues();
+
+    $config = $this->config(SettingsForm::$configName);
+    foreach ($values as $key => $value) {
+      $config->set($key, $value);
+    }
+    $config->save();
+
+    parent::submitForm($form, $form_state);
+  }
+
+}