diff --git a/library/Icingadb/Widget/Detail/UsergroupDetail.php b/library/Icingadb/Widget/Detail/UsergroupDetail.php
new file mode 100644
index 00000000..8968c688
--- /dev/null
+++ b/library/Icingadb/Widget/Detail/UsergroupDetail.php
@@ -0,0 +1,74 @@
+<?php
+
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Widget\Detail;
+
+use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Common\Links;
+use Icinga\Module\Icingadb\Model\Usergroup;
+use Icinga\Module\Icingadb\Widget\EmptyState;
+use Icinga\Module\Icingadb\Widget\ItemList\UserList;
+use Icinga\Module\Icingadb\Widget\ShowMore;
+use ipl\Html\BaseHtmlElement;
+use ipl\Html\HtmlElement;
+use ipl\Html\Text;
+
+class UsergroupDetail extends BaseHtmlElement
+{
+    use Auth;
+
+    /** @var Usergroup The given user group */
+    protected $usergroup;
+
+    protected $defaultAttributes = ['class' => 'usergroup-detail'];
+
+    protected $tag = 'div';
+
+    public function __construct(Usergroup $usergroup)
+    {
+        $this->usergroup = $usergroup;
+    }
+
+    protected function createCustomVars()
+    {
+        $content = [new HtmlElement('h2', null, Text::create(t('Custom Variables')))];
+        $flattenedVars = $this->usergroup->customvar_flat;
+        $this->applyRestrictions($flattenedVars);
+
+        $vars = $this->usergroup->customvar_flat->getModel()->unflattenVars($flattenedVars);
+        if (! empty($vars)) {
+            $customvarTable = new CustomVarTable($vars);
+            $customvarTable->setAttribute('id', 'usergroup-customvars');
+            $content[] = $customvarTable;
+        } else {
+            $content[] = new EmptyState(t('No custom variables configured.'));
+        }
+
+        return $content;
+    }
+
+    protected function createUserList()
+    {
+        $users = $this->usergroup->user->limit(6)->peekAhead()->execute();
+
+        $showMoreLink = new ShowMore(
+            $users,
+            Links::users()->addParams(['usergroup.name' => $this->usergroup->name])
+        );
+
+        return [
+            new HtmlElement('h2', null, Text::create(t('Users'))),
+            new UserList($users),
+            $showMoreLink
+        ];
+    }
+
+    protected function assemble()
+    {
+        $this->add([
+            $this->createUserList(),
+            $this->createCustomVars()
+        ]);
+    }
+}