diff --git a/src/components/com_cluster/administrator/models/clusteruser.php b/src/components/com_cluster/administrator/models/clusteruser.php
index 9aeda3f..40e2309 100644
--- a/src/components/com_cluster/administrator/models/clusteruser.php
+++ b/src/components/com_cluster/administrator/models/clusteruser.php
@@ -12,6 +12,7 @@
 use Joomla\CMS\Factory;
 use Joomla\CMS\MVC\Model\AdminModel;
 use Joomla\CMS\Table\Table;
+use Joomla\CMS\Component\ComponentHelper;
 
 /**
  * Item Model for an Cluster.
@@ -110,4 +111,74 @@ public function save($data)
 
 		return parent::save($data);
 	}
+
+	/**
+	 * Method to get the list of clusters to which user have access
+	 *
+	 * @param   INT  $userId  Users Id.
+	 *
+	 * @return  ARRAY  List of clusters.
+	 *
+	 * @since   1.0.0
+	 */
+	public function getUsersClusters($userId)
+	{
+		$user = Factory::getUser($userId);
+		$superUser = $user->authorise('core.admin');
+
+		$clusters = array();
+
+		// Load cluster library file
+		JLoader::import("/components/com_cluster/includes/cluster", JPATH_ADMINISTRATOR);
+
+		if (!$superUser && !$user->authorise('core.manageall.cluster', 'com_cluster'))
+		{
+			$clusterUsersModel = ClusterFactory::model('ClusterUsers', array('ignore_request' => true));
+			$clusterUsersModel->setState('list.group_by_client_id', 1);
+			$clusterUsersModel->setState('filter.published', 1);
+			$clusterUsersModel->setState('filter.user_id', $user->id);
+
+			// Get all assigned cluster entries
+			$clusters = $clusterUsersModel->getItems();
+		}
+
+		if ($superUser)
+		{
+			$clusterModel = ClusterFactory::model('Clusters', array('ignore_request' => true));
+
+			// Get all cluster entries
+			$clusters = $clusterModel->getItems();
+		}
+
+		// Get com_subusers component status
+		$subUserExist = ComponentHelper::getComponent('com_subusers', true)->enabled;
+
+		if ($subUserExist)
+		{
+			JLoader::import("/components/com_subusers/includes/rbacl", JPATH_ADMINISTRATOR);
+		}
+
+		$usersClusters = array();
+
+		if (!empty($clusters))
+		{
+			if ($subUserExist && (!$superUser && !$user->authorise('core.manageall.cluster', 'com_cluster')))
+			{
+				foreach ($clusters as $cluster)
+				{
+					// Check user has permission for mentioned cluster
+					if (RBACL::authorise($user->id, 'com_cluster', 'core.manage.cluster', $cluster->id))
+					{
+						$usersClusters[] = $cluster;
+					}
+				}
+			}
+			else
+			{
+				$usersClusters = $clusters;
+			}
+		}
+
+		return $usersClusters;
+	}
 }
diff --git a/src/components/com_cluster/administrator/models/clusterusers.php b/src/components/com_cluster/administrator/models/clusterusers.php
index 7939c70..86fb1e1 100644
--- a/src/components/com_cluster/administrator/models/clusterusers.php
+++ b/src/components/com_cluster/administrator/models/clusterusers.php
@@ -102,6 +102,62 @@ protected function getListQuery()
 			$query->where('cu.cluster_id = ' . (int) $cluster);
 		}
 
+		// Filter by user
+		$cluster_user = $this->getState('filter.user_id');
+
+		if (is_numeric($cluster_user))
+		{
+			$query->where('cu.user_id = ' . (int) $cluster_user);
+		}
+
+		// Filter by client_id
+		$clusterClientId = $this->getState('filter.client_id');
+
+		if (is_numeric($clusterClientId))
+		{
+			$query->where('cl.client_id = ' . (int) $clusterClientId);
+		}
+		elseif (is_array($clusterClientId))
+		{
+			$query->where("cl.client_id IN ('" . implode("','", $clusterClientId) . "')");
+		}
+
+		// Filter by state
+		$published = $this->getState('filter.published');
+
+		if (is_numeric($published))
+		{
+			$query->where('cl.state = ' . (int) $published);
+		}
+		elseif ($published === '')
+		{
+			$query->where('(cl.state = 0 OR cl.state = 1)');
+		}
+
+		// Filter by blocked users
+		$blockUser = $this->getState('filter.block');
+
+		if (is_numeric($blockUser))
+		{
+			$query->where($db->quoteName('users.block') . ' = ' . (int) $blockUser);
+		}
+
+		// Group by cluster
+		$clientID = $this->getState('list.group_by_client_id');
+
+		if (is_numeric($clientID))
+		{
+			$query->group('cl.client_id');
+		}
+
+		// Group by user
+		$userID = $this->getState('list.group_by_user_id');
+
+		if (is_numeric($userID))
+		{
+			$query->group('users.id');
+		}
+
 		// Add the list ordering clause.
 		$orderCol  = $this->state->get('list.ordering');
 		$orderDirn = $this->state->get('list.direction');
diff --git a/src/components/com_cluster/site/languages/en-GB/en-GB.com_cluster.ini b/src/components/com_cluster/site/languages/en-GB/en-GB.com_cluster.ini
index 1ec5484..85bbe25 100644
--- a/src/components/com_cluster/site/languages/en-GB/en-GB.com_cluster.ini
+++ b/src/components/com_cluster/site/languages/en-GB/en-GB.com_cluster.ini
@@ -6,3 +6,4 @@ COM_CLUSTER_LIST_VIEW_DESCRIPTION="Description"
 COM_CLUSTER_LIST_VIEW_CLIENT="Client"
 COM_CLUSTER_LIST_VIEW_ID = "ID"
 COM_CLUSTER_LIST_VIEW_CREATEDBY = "Created By"
+COM_CLUSTER_OWNERSHIP_USER ="Select User"