diff --git a/source/packages/plg_system_mokosuitenpo/src/Helper/RecurringDonationHelper.php b/source/packages/plg_system_mokosuitenpo/src/Helper/RecurringDonationHelper.php
new file mode 100644
index 0000000..ec3a1fe
--- /dev/null
+++ b/source/packages/plg_system_mokosuitenpo/src/Helper/RecurringDonationHelper.php
@@ -0,0 +1,177 @@
+<?php
+namespace Moko\Plugin\System\MokoSuiteNpo\Helper;
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\Database\DatabaseInterface;
+
+/**
+ * Recurring donations — monthly/quarterly/annual pledges with autopay via saved payment methods.
+ */
+class RecurringDonationHelper
+{
+	/**
+	 * Create a recurring donation pledge.
+	 */
+	public static function createPledge(int $donorId, float $amount, string $frequency, int $fundId, ?int $savedPaymentId = null): int
+	{
+		$db  = Factory::getContainer()->get(DatabaseInterface::class);
+		$now = Factory::getDate()->toSql();
+
+		$nextDate = match ($frequency) {
+			'weekly'    => date('Y-m-d', strtotime('+1 week')),
+			'monthly'   => date('Y-m-d', strtotime('+1 month')),
+			'quarterly' => date('Y-m-d', strtotime('+3 months')),
+			'annually'  => date('Y-m-d', strtotime('+1 year')),
+			default     => date('Y-m-d', strtotime('+1 month')),
+		};
+
+		$pledge = (object) [
+			'donor_id'         => $donorId,
+			'amount'           => $amount,
+			'frequency'        => $frequency,
+			'fund_id'          => $fundId,
+			'saved_payment_id' => $savedPaymentId,
+			'next_charge_date' => $nextDate,
+			'status'           => 'active',
+			'created'          => $now,
+		];
+
+		$db->insertObject('#__mokosuitenpo_pledges', $pledge, 'id');
+		return (int) $pledge->id;
+	}
+
+	/**
+	 * Process due recurring donations. Called by task scheduler.
+	 */
+	public static function processDueRecurring(): array
+	{
+		$db = Factory::getContainer()->get(DatabaseInterface::class);
+		$results = ['processed' => 0, 'succeeded' => 0, 'failed' => 0];
+
+		$db->setQuery($db->getQuery(true)
+			->select('p.*, d.contact_id, cd.name AS donor_name')
+			->from($db->quoteName('#__mokosuitenpo_pledges', 'p'))
+			->join('INNER', $db->quoteName('#__mokosuitenpo_donors', 'd') . ' ON d.id = p.donor_id')
+			->join('LEFT', $db->quoteName('#__contact_details', 'cd') . ' ON cd.id = d.contact_id')
+			->where($db->quoteName('p.status') . ' = ' . $db->quote('active'))
+			->where($db->quoteName('p.next_charge_date') . ' <= CURDATE()')
+			->where('p.saved_payment_id IS NOT NULL AND p.saved_payment_id > 0')
+			->where('(p.last_charged_at IS NULL OR DATE(p.last_charged_at) < CURDATE())'));
+
+		$duePledges = $db->loadObjectList() ?: [];
+
+		foreach ($duePledges as $pledge) {
+			// Idempotency: claim this pledge before charging to prevent double-processing
+			$db->setQuery($db->getQuery(true)
+				->update('#__mokosuitenpo_pledges')
+				->set($db->quoteName('last_charged_at') . ' = NOW()')
+				->where('id = ' . (int) $pledge->id)
+				->where('(last_charged_at IS NULL OR DATE(last_charged_at) < CURDATE())'));
+			$db->execute();
+			if ($db->getAffectedRows() === 0) continue; // Already claimed
+
+			$results['processed']++;
+
+			// Charge via saved payment
+			$chargeResult = \Moko\Plugin\System\MokoSuiteErp\Helper\SavedPaymentHelper::chargeToken(
+				(int) $pledge->saved_payment_id,
+				(float) $pledge->amount,
+				'USD',
+				'Recurring donation: ' . ($pledge->donor_name ?? 'Donor #' . $pledge->donor_id)
+			);
+
+			if ($chargeResult->success) {
+				$results['succeeded']++;
+
+				// Record donation
+				DonorHelper::recordDonation(
+					(int) $pledge->donor_id,
+					(float) $pledge->amount,
+					'card',
+					(int) $pledge->fund_id,
+					0,
+					'Recurring pledge #' . $pledge->id
+				);
+
+				// Advance next charge date
+				$nextDate = match ($pledge->frequency) {
+					'weekly'    => date('Y-m-d', strtotime($pledge->next_charge_date . ' +1 week')),
+					'monthly'   => date('Y-m-d', strtotime($pledge->next_charge_date . ' +1 month')),
+					'quarterly' => date('Y-m-d', strtotime($pledge->next_charge_date . ' +3 months')),
+					'annually'  => date('Y-m-d', strtotime($pledge->next_charge_date . ' +1 year')),
+					default     => date('Y-m-d', strtotime($pledge->next_charge_date . ' +1 month')),
+				};
+
+				$db->setQuery($db->getQuery(true)
+					->update('#__mokosuitenpo_pledges')
+					->set($db->quoteName('next_charge_date') . ' = ' . $db->quote($nextDate))
+					->set($db->quoteName('last_charged_at') . ' = ' . $db->quote(Factory::getDate()->toSql()))
+					->where('id = ' . (int) $pledge->id));
+				$db->execute();
+			} else {
+				$results['failed']++;
+			}
+		}
+
+		return $results;
+	}
+
+	/**
+	 * Cancel a recurring pledge.
+	 */
+	public static function cancelPledge(int $pledgeId): bool
+	{
+		$db = Factory::getContainer()->get(DatabaseInterface::class);
+
+		$update = (object) [
+			'id'           => $pledgeId,
+			'status'       => 'cancelled',
+			'cancelled_at' => Factory::getDate()->toSql(),
+		];
+
+		return $db->updateObject('#__mokosuitenpo_pledges', $update, 'id');
+	}
+
+	/**
+	 * Get active recurring pledges for a donor.
+	 */
+	public static function getDonorPledges(int $donorId): array
+	{
+		$db = Factory::getContainer()->get(DatabaseInterface::class);
+
+		$db->setQuery($db->getQuery(true)
+			->select('p.*, f.name AS fund_name')
+			->from($db->quoteName('#__mokosuitenpo_pledges', 'p'))
+			->join('LEFT', $db->quoteName('#__mokosuitenpo_funds', 'f') . ' ON f.id = p.fund_id')
+			->where('p.donor_id = ' . (int) $donorId)
+			->where($db->quoteName('p.status') . ' = ' . $db->quote('active'))
+			->order('p.next_charge_date ASC'));
+
+		return $db->loadObjectList() ?: [];
+	}
+
+	/**
+	 * Get recurring revenue summary.
+	 */
+	public static function getRecurringSummary(): object
+	{
+		$db = Factory::getContainer()->get(DatabaseInterface::class);
+
+		$db->setQuery($db->getQuery(true)
+			->select('COUNT(*) AS active_pledges')
+			->select('COALESCE(SUM(amount), 0) AS total_pledge_amount')
+			->select('COALESCE(SUM(CASE WHEN frequency = ' . $db->quote('monthly') . ' THEN amount ELSE 0 END), 0) AS monthly_recurring')
+			->select('COALESCE(SUM(CASE WHEN frequency = ' . $db->quote('annually') . ' THEN amount ELSE 0 END), 0) AS annual_recurring')
+			->from('#__mokosuitenpo_pledges')
+			->where($db->quoteName('status') . ' = ' . $db->quote('active')));
+
+		$summary = $db->loadObject() ?: (object) ['active_pledges' => 0, 'total_pledge_amount' => 0, 'monthly_recurring' => 0, 'annual_recurring' => 0];
+
+		// Annualize for comparison
+		$summary->annualized_revenue = (float) $summary->monthly_recurring * 12 + (float) $summary->annual_recurring;
+
+		return $summary;
+	}
+}