diff --git a/source/packages/plg_system_mokosuitefield/src/Helper/CustomerFeedbackHelper.php b/source/packages/plg_system_mokosuitefield/src/Helper/CustomerFeedbackHelper.php
new file mode 100644
index 0000000..3536ba0
--- /dev/null
+++ b/source/packages/plg_system_mokosuitefield/src/Helper/CustomerFeedbackHelper.php
@@ -0,0 +1,128 @@
+<?php
+namespace Moko\Plugin\System\MokoSuiteField\Helper;
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\Database\DatabaseInterface;
+
+/**
+ * Customer feedback — post-service surveys, NPS scores, satisfaction tracking.
+ */
+class CustomerFeedbackHelper
+{
+	/**
+	 * Send a feedback request after work order completion.
+	 */
+	public static function requestFeedback(int $woId): object
+	{
+		$db = Factory::getContainer()->get(DatabaseInterface::class);
+
+		$db->setQuery($db->getQuery(true)
+			->select('wo.id, wo.wo_number, wo.contact_id, cd.name AS customer_name, cd.email_to, cd.telephone')
+			->from($db->quoteName('#__mokosuitefield_work_orders', 'wo'))
+			->join('LEFT', $db->quoteName('#__contact_details', 'cd') . ' ON cd.id = wo.contact_id')
+			->where('wo.id = ' . (int) $woId));
+		$wo = $db->loadObject();
+
+		if (!$wo || !$wo->email_to) {
+			return (object) ['success' => false, 'error' => 'No email for feedback request'];
+		}
+
+		// Generate unique feedback token
+		$token = bin2hex(random_bytes(16));
+
+		$request = (object) [
+			'wo_id'      => $woId,
+			'contact_id' => $wo->contact_id,
+			'token'      => $token,
+			'status'     => 'sent',
+			'sent_at'    => Factory::getDate()->toSql(),
+		];
+		$db->insertObject('#__mokosuitefield_feedback_requests', $request, 'id');
+
+		return (object) ['success' => true, 'token' => $token, 'email' => $wo->email_to];
+	}
+
+	/**
+	 * Submit feedback (called from public survey page via token).
+	 */
+	public static function submitFeedback(string $token, int $rating, int $npsScore, string $comments = ''): object
+	{
+		$db = Factory::getContainer()->get(DatabaseInterface::class);
+
+		$db->setQuery($db->getQuery(true)
+			->select('id, wo_id, contact_id, status')
+			->from('#__mokosuitefield_feedback_requests')
+			->where($db->quoteName('token') . ' = ' . $db->quote($token)));
+		$request = $db->loadObject();
+
+		if (!$request) return (object) ['success' => false, 'error' => 'Invalid feedback link'];
+		if ($request->status === 'completed') return (object) ['success' => false, 'error' => 'Feedback already submitted'];
+
+		// Validate inputs
+		$rating = max(1, min(5, $rating));
+		$npsScore = max(0, min(10, $npsScore));
+
+		$filter = \Joomla\Filter\InputFilter::getInstance();
+		$comments = $filter->clean($comments, 'STRING');
+
+		$db->transactionStart();
+		try {
+			// Record feedback
+			$feedback = (object) [
+				'request_id' => $request->id,
+				'wo_id'      => $request->wo_id,
+				'contact_id' => $request->contact_id,
+				'rating'     => $rating,
+				'nps_score'  => $npsScore,
+				'comments'   => $comments,
+				'submitted_at' => Factory::getDate()->toSql(),
+			];
+			$db->insertObject('#__mokosuitefield_feedback', $feedback);
+
+			// Mark request as completed
+			$db->setQuery($db->getQuery(true)
+				->update('#__mokosuitefield_feedback_requests')
+				->set($db->quoteName('status') . ' = ' . $db->quote('completed'))
+				->where('id = ' . (int) $request->id));
+			$db->execute();
+
+			$db->transactionCommit();
+		} catch (\Throwable $e) {
+			$db->transactionRollback();
+			return (object) ['success' => false, 'error' => $e->getMessage()];
+		}
+
+		return (object) ['success' => true, 'rating' => $rating, 'nps' => $npsScore];
+	}
+
+	/**
+	 * Get NPS score and satisfaction summary.
+	 */
+	public static function getSatisfactionSummary(string $from = '', string $to = ''): object
+	{
+		$db = Factory::getContainer()->get(DatabaseInterface::class);
+		$from = $from ?: date('Y-01-01');
+		$to = $to ?: date('Y-m-d');
+
+		$db->setQuery($db->getQuery(true)
+			->select('COUNT(*) AS total_responses')
+			->select('COALESCE(AVG(rating), 0) AS avg_rating')
+			->select('COALESCE(AVG(nps_score), 0) AS avg_nps')
+			->select('SUM(CASE WHEN nps_score >= 9 THEN 1 ELSE 0 END) AS promoters')
+			->select('SUM(CASE WHEN nps_score BETWEEN 7 AND 8 THEN 1 ELSE 0 END) AS passives')
+			->select('SUM(CASE WHEN nps_score <= 6 THEN 1 ELSE 0 END) AS detractors')
+			->from('#__mokosuitefield_feedback')
+			->where('DATE(submitted_at) BETWEEN ' . $db->quote($from) . ' AND ' . $db->quote($to)));
+
+		$stats = $db->loadObject() ?: (object) ['total_responses' => 0, 'avg_rating' => 0, 'avg_nps' => 0, 'promoters' => 0, 'passives' => 0, 'detractors' => 0];
+
+		$total = (int) $stats->total_responses;
+		$stats->nps_score = $total > 0
+			? round(((int) $stats->promoters - (int) $stats->detractors) / $total * 100)
+			: 0;
+
+		return $stats;
+	}
+}