diff --git a/src/bundle/Resources/config/services/ui_config/common.yaml b/src/bundle/Resources/config/services/ui_config/common.yaml
index 12885f3a6d..67e1f482b3 100644
--- a/src/bundle/Resources/config/services/ui_config/common.yaml
+++ b/src/bundle/Resources/config/services/ui_config/common.yaml
@@ -104,6 +104,8 @@ services:
 
     Ibexa\Bundle\AdminUi\Templating\Twig\EmbeddedItemEditFormExtension: ~
 
+    Ibexa\Bundle\AdminUi\Templating\Twig\TableExtension: ~
+
     Ibexa\AdminUi\UI\Config\Provider\UserContentTypes:
         tags:
             - { name: ibexa.admin_ui.config.provider, key: 'userContentTypes' }
diff --git a/src/bundle/Templating/Twig/TableExtension.php b/src/bundle/Templating/Twig/TableExtension.php
new file mode 100644
index 0000000000..a63e662482
--- /dev/null
+++ b/src/bundle/Templating/Twig/TableExtension.php
@@ -0,0 +1,60 @@
+<?php
+
+/**
+ * @copyright Copyright (C) Ibexa AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
+namespace Ibexa\Bundle\AdminUi\Templating\Twig;
+
+use Ibexa\AdminUi\Tab\Event\CollectCustomTableColumnsEvent;
+use Ibexa\AdminUi\Tab\Event\CollectCustomTableHeadersEvent;
+use Psr\EventDispatcher\EventDispatcherInterface;
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFunction;
+
+final class TableExtension extends AbstractExtension
+{
+    private EventDispatcherInterface $eventDispatcher;
+
+    public function __construct(EventDispatcherInterface $eventDispatcher)
+    {
+        $this->eventDispatcher = $eventDispatcher;
+    }
+
+    public function getFunctions(): array
+    {
+        return [
+            new TwigFunction('ibexa_add_custom_table_headers', [$this, 'addCustomHeaders']),
+            new TwigFunction('ibexa_add_custom_table_columns', [$this, 'addCustomColumns']),
+        ];
+    }
+
+    /**
+     * @param array<int, array<string, string|bool>> $existingHeaders
+     *
+     * @return array<int, array<string, string|bool>>
+     */
+    public function addCustomHeaders(string $tableIdentifier, array $existingHeaders): array
+    {
+        $event = new CollectCustomTableHeadersEvent($tableIdentifier, $existingHeaders);
+        $this->eventDispatcher->dispatch($event);
+
+        return $event->getHeaders();
+    }
+
+    /**
+     * @param array<int, array<string, string|bool>> $existingColumns
+     * @param mixed $row
+     *
+     * @return array<int, array<string, string|bool>>
+     */
+    public function addCustomColumns(string $tableIdentifier, array $existingColumns, $row): array
+    {
+        $event = new CollectCustomTableColumnsEvent($tableIdentifier, $existingColumns, $row);
+        $this->eventDispatcher->dispatch($event);
+
+        return $event->getColumns();
+    }
+}
diff --git a/src/lib/Tab/Event/CollectCustomTableColumnsEvent.php b/src/lib/Tab/Event/CollectCustomTableColumnsEvent.php
new file mode 100644
index 0000000000..f04d541c63
--- /dev/null
+++ b/src/lib/Tab/Event/CollectCustomTableColumnsEvent.php
@@ -0,0 +1,68 @@
+<?php
+
+/**
+ * @copyright Copyright (C) Ibexa AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
+namespace Ibexa\AdminUi\Tab\Event;
+
+class CollectCustomTableColumnsEvent
+{
+    private string $tableIdentifier;
+
+    /** @var array<int, array<string, string|bool>> */
+    private array $columns;
+
+    /** @var mixed */
+    private $row;
+
+    /**
+     * @param array<int, array<string, string|bool>> $columns
+     * @param mixed $row
+     */
+    public function __construct(string $tableIdentifier, array $columns, $row)
+    {
+        $this->tableIdentifier = $tableIdentifier;
+        $this->columns = $columns;
+        $this->row = $row;
+    }
+
+    public function getTableIdentifier(): string
+    {
+        return $this->tableIdentifier;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getRow()
+    {
+        return $this->row;
+    }
+
+    /**
+     * @return array<int, array<string, string|bool>>
+     */
+    public function getColumns(): array
+    {
+        return $this->columns;
+    }
+
+    /**
+     * @param array<string, string|bool> $column
+     */
+    public function addColumn(array $column): void
+    {
+        $this->columns[] = $column;
+    }
+
+    /**
+     * @param array<string, string|bool> $column
+     */
+    public function addColumnAt(int $index, array $column): void
+    {
+        array_splice($this->columns, $index, 0, [$column]);
+    }
+}
diff --git a/src/lib/Tab/Event/CollectCustomTableHeadersEvent.php b/src/lib/Tab/Event/CollectCustomTableHeadersEvent.php
new file mode 100644
index 0000000000..8adc1da350
--- /dev/null
+++ b/src/lib/Tab/Event/CollectCustomTableHeadersEvent.php
@@ -0,0 +1,57 @@
+<?php
+
+/**
+ * @copyright Copyright (C) Ibexa AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
+namespace Ibexa\AdminUi\Tab\Event;
+
+use Symfony\Contracts\EventDispatcher\Event;
+
+class CollectCustomTableHeadersEvent extends Event
+{
+    private string $tableIdentifier;
+
+    /** @var array<int, array<string, string|bool>> */
+    private array $headers;
+
+    /**
+     * @param array<int, array<string, string|bool>> $headers
+     */
+    public function __construct(string $tableIdentifier, array $headers)
+    {
+        $this->tableIdentifier = $tableIdentifier;
+        $this->headers = $headers;
+    }
+
+    public function getTableIdentifier(): string
+    {
+        return $this->tableIdentifier;
+    }
+
+    /**
+     * @return array<int, array<string, string|bool>>
+     */
+    public function getHeaders(): array
+    {
+        return $this->headers;
+    }
+
+    /**
+     * @param array<string, string|bool> $column
+     */
+    public function addHeader(array $column): void
+    {
+        $this->headers[] = $column;
+    }
+
+    /**
+     * @param array<string, string|bool> $header
+     */
+    public function addHeaderAt(int $index, array $header): void
+    {
+        array_splice($this->headers, $index, 0, [$header]);
+    }
+}