diff --git a/application/controllers/Backend_api.php b/application/controllers/Backend_api.php
index 0e6e631a..0aede844 100755
--- a/application/controllers/Backend_api.php
+++ b/application/controllers/Backend_api.php
@@ -623,7 +623,7 @@ class Backend_api extends CI_Controller {
             $key = $this->db->escape_str($this->input->post('key'));
             $key = strtoupper($key);
 
-            $where_clause =
+            $where =
                 '(first_name LIKE upper("%' . $key . '%") OR ' .
                 'last_name  LIKE upper("%' . $key . '%") OR ' .
                 'email LIKE upper("%' . $key . '%") OR ' .
@@ -633,7 +633,16 @@ class Backend_api extends CI_Controller {
                 'zip_code LIKE upper("%' . $key . '%") OR ' .
                 'notes LIKE upper("%' . $key . '%"))';
 
-            $customers = $this->customers_model->get_batch($where_clause);
+            $order_by = 'first_name ASC, last_name ASC';
+
+            $limit = $this->input->post('limit');
+
+            if ($limit === NULL)
+            {
+                $limit = 1000;
+            }
+
+            $customers = $this->customers_model->get_batch($where, $order_by, $limit);
 
             foreach ($customers as &$customer)
             {
diff --git a/application/language/arabic/translations_lang.php b/application/language/arabic/translations_lang.php
index 5eaac0ab..a27e01c6 100755
--- a/application/language/arabic/translations_lang.php
+++ b/application/language/arabic/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/bulgarian/translations_lang.php b/application/language/bulgarian/translations_lang.php
index 1e1298eb..42f41dbe 100755
--- a/application/language/bulgarian/translations_lang.php
+++ b/application/language/bulgarian/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/chinese/translations_lang.php b/application/language/chinese/translations_lang.php
index c12cd862..c48c58b9 100755
--- a/application/language/chinese/translations_lang.php
+++ b/application/language/chinese/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/czech/translations_lang.php b/application/language/czech/translations_lang.php
index 0673c8c1..43ec4df8 100644
--- a/application/language/czech/translations_lang.php
+++ b/application/language/czech/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/danish/translations_lang.php b/application/language/danish/translations_lang.php
index b9f07ee9..12a4236f 100755
--- a/application/language/danish/translations_lang.php
+++ b/application/language/danish/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/dutch/translations_lang.php b/application/language/dutch/translations_lang.php
index 87b1d4ba..f1db0d95 100755
--- a/application/language/dutch/translations_lang.php
+++ b/application/language/dutch/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/english/translations_lang.php b/application/language/english/translations_lang.php
index 44d76bdf..e430de13 100755
--- a/application/language/english/translations_lang.php
+++ b/application/language/english/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/finnish/translations_lang.php b/application/language/finnish/translations_lang.php
index de811ccf..c53ece9a 100755
--- a/application/language/finnish/translations_lang.php
+++ b/application/language/finnish/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/french/translations_lang.php b/application/language/french/translations_lang.php
index cd8b876f..7a7b45be 100755
--- a/application/language/french/translations_lang.php
+++ b/application/language/french/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/german/translations_lang.php b/application/language/german/translations_lang.php
index 0a96dda0..32e1e5c5 100755
--- a/application/language/german/translations_lang.php
+++ b/application/language/german/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/greek/translations_lang.php b/application/language/greek/translations_lang.php
index 331b4c64..1403767f 100755
--- a/application/language/greek/translations_lang.php
+++ b/application/language/greek/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/hindi/translations_lang.php b/application/language/hindi/translations_lang.php
index b8868c05..dd941639 100755
--- a/application/language/hindi/translations_lang.php
+++ b/application/language/hindi/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/hungarian/translations_lang.php b/application/language/hungarian/translations_lang.php
index d8c68e68..a2c18c56 100755
--- a/application/language/hungarian/translations_lang.php
+++ b/application/language/hungarian/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/italian/translations_lang.php b/application/language/italian/translations_lang.php
index be9b22f1..916edfed 100755
--- a/application/language/italian/translations_lang.php
+++ b/application/language/italian/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/japanese/translations_lang.php b/application/language/japanese/translations_lang.php
index 1adb9f99..db5045ce 100755
--- a/application/language/japanese/translations_lang.php
+++ b/application/language/japanese/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/luxembourgish/translations_lang.php b/application/language/luxembourgish/translations_lang.php
index d165ec25..75b16a30 100755
--- a/application/language/luxembourgish/translations_lang.php
+++ b/application/language/luxembourgish/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/marathi/translations_lang.php b/application/language/marathi/translations_lang.php
index b66d1ba2..a374b1b7 100644
--- a/application/language/marathi/translations_lang.php
+++ b/application/language/marathi/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/polish/translations_lang.php b/application/language/polish/translations_lang.php
index 38ea27ce..e832f462 100755
--- a/application/language/polish/translations_lang.php
+++ b/application/language/polish/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/portuguese-br/translations_lang.php b/application/language/portuguese-br/translations_lang.php
index 3a25db50..e08809e4 100755
--- a/application/language/portuguese-br/translations_lang.php
+++ b/application/language/portuguese-br/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/portuguese/translations_lang.php b/application/language/portuguese/translations_lang.php
index 78934cb5..928f138d 100755
--- a/application/language/portuguese/translations_lang.php
+++ b/application/language/portuguese/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/romanian/translations_lang.php b/application/language/romanian/translations_lang.php
index 07659acf..b4e2ea09 100755
--- a/application/language/romanian/translations_lang.php
+++ b/application/language/romanian/translations_lang.php
@@ -313,8 +313,10 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
 $lang['api_token_hint'] = 'Set a secret token in order to enable the token based authentication of the Easy!Appointments API.';
 $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/russian/translations_lang.php b/application/language/russian/translations_lang.php
index 4a8b591e..b1e46bd5 100755
--- a/application/language/russian/translations_lang.php
+++ b/application/language/russian/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/slovak/translations_lang.php b/application/language/slovak/translations_lang.php
index 57347496..513b0d6e 100755
--- a/application/language/slovak/translations_lang.php
+++ b/application/language/slovak/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/spanish/translations_lang.php b/application/language/spanish/translations_lang.php
index c017f095..74ec5982 100755
--- a/application/language/spanish/translations_lang.php
+++ b/application/language/spanish/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/language/turkish/translations_lang.php b/application/language/turkish/translations_lang.php
index 5d7fd16b..68599572 100755
--- a/application/language/turkish/translations_lang.php
+++ b/application/language/turkish/translations_lang.php
@@ -313,3 +313,4 @@ $lang['timezone'] = 'Timezone';
 $lang['overwrite_existing_working_plans'] = 'This will overwrite the existing provider working plans, are you sure that you want to continue?';
 $lang['working_plans_got_updated'] = 'All the working plans got updated.';
 $lang['apply_to_all_providers'] = 'Apply To All Providers';
+$lang['load_more'] = 'Load More';
diff --git a/application/models/Admins_model.php b/application/models/Admins_model.php
index b6f40c1d..412bfba6 100644
--- a/application/models/Admins_model.php
+++ b/application/models/Admins_model.php
@@ -406,21 +406,28 @@ class Admins_Model extends CI_Model {
     /**
      * Get all, or specific admin records from database.
      *
-     * @param string|array $where_clause (OPTIONAL) The WHERE clause of the query to be executed. Use this to get
+     * @param mixed|null $where (OPTIONAL) The WHERE clause of the query to be executed. Use this to get
      * specific admin records.
-     *
+     * @param mixed|null $order_by
+     * @param int|null $limit
+     * @param int|null $offset
      * @return array Returns an array with admin records.
      */
-    public function get_batch($where_clause = '')
+    public function get_batch($where = NULL, $order_by = NULL, $limit = NULL, $offset = NULL)
     {
         $role_id = $this->get_admin_role_id();
 
-        if ($where_clause != '')
+        if ($where !== NULL)
         {
-            $this->db->where($where_clause);
+            $this->db->where($where);
         }
 
-        $batch = $this->db->get_where('ea_users', ['id_roles' => $role_id])->result_array();
+        if ($order_by !== NULL)
+        {
+            $this->db->order_by($order_by);
+        }
+
+        $batch = $this->db->get_where('ea_users', ['id_roles' => $role_id], $limit, $offset)->result_array();
 
         // Get every admin settings.
         foreach ($batch as &$admin)
diff --git a/application/models/Appointments_model.php b/application/models/Appointments_model.php
index 9024ba85..9e883f9d 100644
--- a/application/models/Appointments_model.php
+++ b/application/models/Appointments_model.php
@@ -340,23 +340,32 @@ class Appointments_Model extends CI_Model {
     /**
      * Get all, or specific records from appointment's table.
      *
-     * @example $this->Model->getBatch('id = ' . $recordId);
+     * Example:
      *
-     * @param string $where_clause (OPTIONAL) The WHERE clause of the query to be executed. DO NOT INCLUDE 'WHERE'
+     * $this->Model->getBatch('id = ' . $recordId);
+     *
+     * @param mixed|null $where (OPTIONAL) The WHERE clause of the query to be executed. DO NOT INCLUDE 'WHERE'
      * KEYWORD.
-     *
+     * @param mixed|null $order_by
+     * @param int|null $limit
+     * @param int|null $offset
      * @param bool $aggregates (OPTIONAL) Defines whether to add aggregations or not.
      *
      * @return array Returns the rows from the database.
      */
-    public function get_batch($where_clause = '', $aggregates = FALSE)
+    public function get_batch($where = NULL, $order_by = NULL, $limit = NULL, $offset = NULL, $aggregates = FALSE)
     {
-        if ($where_clause != '')
+        if ($where !== NULL)
         {
-            $this->db->where($where_clause);
+            $this->db->where($where);
         }
 
-        $appointments = $this->db->get('ea_appointments')->result_array();
+        if ($order_by)
+        {
+            $this->db->order_by($order_by);
+        }
+
+        $appointments = $this->db->get('ea_appointments', $limit, $offset)->result_array();
 
         $this->load->model('timezones_model');
 
diff --git a/application/models/Customers_model.php b/application/models/Customers_model.php
index 111aea50..25ebecbd 100644
--- a/application/models/Customers_model.php
+++ b/application/models/Customers_model.php
@@ -339,25 +339,33 @@ class Customers_Model extends CI_Model {
     /**
      * Get all, or specific records from appointment's table.
      *
-     * @example $this->Model->getBatch('id = ' . $recordId);
+     * Example:
      *
-     * @param string $whereClause (OPTIONAL) The WHERE clause of the query to be executed. DO NOT INCLUDE 'WHERE'
-     * KEYWORD.
+     * $this->Model->getBatch('id = ' . $recordId);
      *
+     * @param mixed|null $where
+     * @param midex|null $order_by
+     * @param int|null $limit
+     * @param int|null $offset
      * @return array Returns the rows from the database.
      */
-    public function get_batch($where_clause = '')
+    public function get_batch($where = NULL, $order_by = NULL, $limit = NULL, $offset = NULL)
     {
         $customers_role_id = $this->get_customers_role_id();
 
-        if ($where_clause != '')
+        if ($where !== NULL)
         {
-            $this->db->where($where_clause);
+            $this->db->where($where);
+        }
+
+        if ($order_by !== NULL)
+        {
+            $this->db->order_by($order_by);
         }
 
         $this->db->where('id_roles', $customers_role_id);
 
-        return $this->db->get('ea_users')->result_array();
+        return $this->db->get('ea_users', $limit, $offset)->result_array();
     }
 
     /**
diff --git a/application/models/Providers_model.php b/application/models/Providers_model.php
index 0f91955e..3fc8b98b 100755
--- a/application/models/Providers_model.php
+++ b/application/models/Providers_model.php
@@ -444,27 +444,34 @@ class Providers_Model extends CI_Model {
     /**
      * Get all, or specific records from provider's table.
      *
-     * @example $this->Model->get_batch('id = ' . $recordId);
+     * Example:
      *
-     * @param mixed $where_clause (OPTIONAL) The WHERE clause of the query to be executed.
+     * $this->Model->get_batch('id = ' . $recordId);
      *
-     * NOTICE: DO NOT INCLUDE 'WHERE' KEYWORD.
      *
+     * @param mixed|null $where (OPTIONAL) The WHERE clause of the query to be executed.
+     * @param mixed|null $order_by
+     * @param int|null $limit
+     * @param int|null $offset
      * @return array Returns the rows from the database.
      */
-    public function get_batch($where_clause = '')
+    public function get_batch($where = NULL, $order_by = NULL, $limit = NULL, $offset = NULL)
     {
         // CI db class may confuse two where clauses made in the same time, so
         // get the role id first and then apply the get_batch() where clause.
         $role_id = $this->get_providers_role_id();
 
-        if ($where_clause != '')
+        if ($where !== NULL)
         {
-            $this->db->where($where_clause);
+            $this->db->where($where);
         }
 
-        $batch = $this->db->get_where('ea_users',
-            ['id_roles' => $role_id])->result_array();
+        if ($order_by !== NULL)
+        {
+            $this->db->order_by($order_by);
+        }
+
+        $batch = $this->db->get('ea_users', ['id_roles' => $role_id], $limit, $offset)->result_array();
 
         // Include each provider services and settings.
         foreach ($batch as &$provider)
diff --git a/application/models/Secretaries_model.php b/application/models/Secretaries_model.php
index 38edef76..34629b78 100644
--- a/application/models/Secretaries_model.php
+++ b/application/models/Secretaries_model.php
@@ -56,8 +56,7 @@ class Secretaries_Model extends CI_Model {
         if ( ! isset($secretary['id']))
         {
             $secretary['id'] = $this->_insert($secretary);
-        }
-        else
+        } else
         {
             $secretary['id'] = $this->_update($secretary);
         }
@@ -261,7 +260,7 @@ class Secretaries_Model extends CI_Model {
             }
         }
 
-        // Validate calendar view mode. 
+        // Validate calendar view mode.
         if (isset($secretary['settings']['calendar_view']) && ($secretary['settings']['calendar_view'] !== CALENDAR_VIEW_DEFAULT
                 && $secretary['settings']['calendar_view'] !== CALENDAR_VIEW_TABLE))
         {
@@ -403,22 +402,28 @@ class Secretaries_Model extends CI_Model {
     /**
      * Get all, or specific secretary records from database.
      *
-     * @param string|array $where_clause (OPTIONAL) The WHERE clause of the query to be executed. Use this to get
+     * @param mixed|null $where (OPTIONAL) The WHERE clause of the query to be executed. Use this to get
      * specific secretary records.
-     *
+     * @param mixed|null $order_by
+     * @param int|null $limit
+     * @param int|null $offset
      * @return array Returns an array with secretary records.
      */
-    public function get_batch($where_clause = '')
+    public function get_batch($where = NULL, $order_by = NULL, $limit = NULL, $offset = NULL)
     {
         $role_id = $this->get_secretary_role_id();
 
-        if ($where_clause != '')
+        if ($where !== NULL)
         {
-            $this->db->where($where_clause);
+            $this->db->where($where);
         }
 
-        $this->db->where('id_roles', $role_id);
-        $batch = $this->db->get('ea_users')->result_array();
+        if ($order_by !== NULL)
+        {
+            $this->db->order_by($order_by);
+        }
+
+        $batch = $this->db->get_where('ea_users', ['id_roles' => $role_id], $limit, $offset)->result_array();
 
         // Include every secretary providers.
         foreach ($batch as &$secretary)
diff --git a/application/models/Services_model.php b/application/models/Services_model.php
index c2327072..8ee64bde 100644
--- a/application/models/Services_model.php
+++ b/application/models/Services_model.php
@@ -311,14 +311,19 @@ class Services_Model extends CI_Model {
      *
      * @return array Returns the rows from the database.
      */
-    public function get_batch($where_clause = NULL)
+    public function get_batch($where = NULL, $order_by = NULL, $limit = NULL, $offset = NULL)
     {
-        if ($where_clause != NULL)
+        if ($where !== NULL)
         {
-            $this->db->where($where_clause);
+            $this->db->where($where);
         }
 
-        return $this->db->get('ea_services')->result_array();
+        if ($order_by !== NULL)
+        {
+            $this->db->order_by($order_by);
+        }
+
+        return $this->db->get('ea_services', $limit, $offset)->result_array();
     }
 
     /**
@@ -430,13 +435,19 @@ class Services_Model extends CI_Model {
      *
      * @return array Returns an array that contains all the service category records.
      */
-    public function get_all_categories($where = '')
+    public function get_all_categories($where = NULL, $order_by = NULL, $limit = NULL, $offset = NULL)
     {
-        if ($where !== '')
+        if ($where !== NULL)
         {
             $this->db->where($where);
         }
-        return $this->db->get('ea_service_categories')->result_array();
+
+        if ($order_by !== NULL)
+        {
+            $this->db->order_by($order_by);
+        }
+
+        return $this->db->get('ea_service_categories', $limit, $offset)->result_array();
     }
 
     /**
diff --git a/assets/js/backend_calendar_default_view.js b/assets/js/backend_calendar_default_view.js
index 1db1bcba..4f1f35cb 100755
--- a/assets/js/backend_calendar_default_view.js
+++ b/assets/js/backend_calendar_default_view.js
@@ -40,7 +40,12 @@ window.BackendCalendarDefaultView = window.BackendCalendarDefaultView || {};
          * When the user clicks the reload button an the calendar items need to be refreshed.
          */
         $('#reload-appointments').click(function () {
-            $('#select-filter-item').trigger('change');
+            _refreshCalendarAppointments(
+                $calendar,
+                $selectFilterItem.val(),
+                $selectFilterItem.find('option:selected').attr('type'),
+                $calendar.fullCalendar('getView').start,
+                $calendar.fullCalendar('getView').end);
         });
 
         /**
@@ -846,6 +851,9 @@ window.BackendCalendarDefaultView = window.BackendCalendarDefaultView || {};
             filter_type: filterType
         };
 
+
+        $loading.css('visibility', 'hidden'); 
+
         return $.post(url, data, function (response) {
             if (!GeneralFunctions.handleAjaxExceptions(response)) {
                 return;
@@ -1184,7 +1192,11 @@ window.BackendCalendarDefaultView = window.BackendCalendarDefaultView || {};
                     }
                 });
             }
-        }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
+        }, 'json')
+            .fail(GeneralFunctions.ajaxFailureHandler)
+            .always(function() {
+                $loading.css('visibility', '')
+            });
     }
 
 
@@ -1465,16 +1477,12 @@ window.BackendCalendarDefaultView = window.BackendCalendarDefaultView || {};
         var $selectFilterItem = $('#select-filter-item');
 
         setInterval(function () {
-            $loading.css('visibility', 'hidden');
             _refreshCalendarAppointments(
                 $calendar,
                 $selectFilterItem.val(),
                 $selectFilterItem.find('option:selected').attr('type'),
                 $calendar.fullCalendar('getView').start,
-                $calendar.fullCalendar('getView').end)
-                .always(function () {
-                    $loading.css('visibility', '')
-                });
+                $calendar.fullCalendar('getView').end);
         }, 10000);
     };
 
diff --git a/assets/js/backend_categories_helper.js b/assets/js/backend_categories_helper.js
index 4d2cb2d2..c4b56b6b 100644
--- a/assets/js/backend_categories_helper.js
+++ b/assets/js/backend_categories_helper.js
@@ -23,6 +23,7 @@
      */
     function CategoriesHelper() {
         this.filterResults = {};
+        this.filterLimit = 20;
     }
 
     /**
@@ -171,7 +172,8 @@
         var postUrl = GlobalVariables.baseUrl + '/index.php/backend_api/ajax_filter_service_categories';
         var postData = {
             csrfToken: GlobalVariables.csrfToken,
-            key: key
+            key: key,
+            limit: this.filterLimit
         };
 
         $.post(postUrl, postData, function (response) {
@@ -189,6 +191,17 @@
 
             if (response.length === 0) {
                 $('#filter-categories .results').html('<em>' + EALang.no_records_found + '</em>');
+            } else if (response.length === this.filterLimit) {
+                $('<button/>', {
+                    'type': 'button',
+                    'class': 'well btn-block load-more text-center',
+                    'text': EALang.load_more,
+                    'click': function () {
+                        this.filterLimit += 20;
+                        this.filter(key, selectId, display);
+                    }.bind(this)
+                })
+                    .appendTo('#filter-categories .results');
             }
 
             if (selectId !== undefined) {
diff --git a/assets/js/backend_customers_helper.js b/assets/js/backend_customers_helper.js
index 121e2bca..234b4b39 100644
--- a/assets/js/backend_customers_helper.js
+++ b/assets/js/backend_customers_helper.js
@@ -22,6 +22,7 @@
      */
     function CustomersHelper() {
         this.filterResults = {};
+        this.filterLimit = 20;
     }
 
     /**
@@ -36,6 +37,7 @@
         $('#filter-customers form').submit(function (event) {
             var key = $('#filter-customers .key').val();
             $('#filter-customers .selected').removeClass('selected');
+            instance.filterLimit = 20;
             instance.resetForm();
             instance.filter(key);
             return false;
@@ -46,6 +48,7 @@
          */
         $('#filter-customers .clear').click(function () {
             $('#filter-customers .key').val('');
+            instance.filterLimit = 20;
             instance.filter('');
             instance.resetForm();
         });
@@ -355,7 +358,8 @@
         var postUrl = GlobalVariables.baseUrl + '/index.php/backend_api/ajax_filter_customers';
         var postData = {
             csrfToken: GlobalVariables.csrfToken,
-            key: key
+            key: key,
+            limit: this.filterLimit
         };
 
         $.post(postUrl, postData, function (response) {
@@ -370,8 +374,20 @@
                 var html = this.getFilterHtml(customer);
                 $('#filter-customers .results').append(html);
             }.bind(this));
+
             if (response.length == 0) {
                 $('#filter-customers .results').html('<em>' + EALang.no_records_found + '</em>');
+            } else if (response.length === this.filterLimit) {
+                $('<button/>', {
+                    'type': 'button',
+                    'class': 'well btn-block load-more text-center',
+                    'text': EALang.load_more,
+                    'click': function () {
+                        this.filterLimit += 20;
+                        this.filter(key, selectId, display);
+                    }.bind(this)
+                })
+                    .appendTo('#filter-customers .results');
             }
 
             if (selectId != undefined) {
diff --git a/assets/js/backend_services_helper.js b/assets/js/backend_services_helper.js
index 614ad112..1e312ade 100644
--- a/assets/js/backend_services_helper.js
+++ b/assets/js/backend_services_helper.js
@@ -22,6 +22,7 @@
      */
     function ServicesHelper() {
         this.filterResults = {};
+        this.filterLimit = 20;
     }
 
     ServicesHelper.prototype.bindEventHandlers = function () {
@@ -311,7 +312,8 @@
         var postUrl = GlobalVariables.baseUrl + '/index.php/backend_api/ajax_filter_services';
         var postData = {
             csrfToken: GlobalVariables.csrfToken,
-            key: key
+            key: key,
+            limit: this.filterLimit
         };
 
         $.post(postUrl, postData, function (response) {
@@ -329,6 +331,17 @@
 
             if (response.length === 0) {
                 $('#filter-services .results').html('<em>' + EALang.no_records_found + '</em>');
+            } else if (response.length === this.filterLimit) {
+                $('<button/>', {
+                    'type': 'button',
+                    'class': 'well btn-block load-more text-center',
+                    'text': EALang.load_more,
+                    'click': function () {
+                        this.filterLimit += 20;
+                        this.filter(key, selectId, display);
+                    }.bind(this)
+                })
+                    .appendTo('#filter-services .results');
             }
 
             if (selectId !== undefined) {
diff --git a/assets/js/backend_users_admins.js b/assets/js/backend_users_admins.js
index 8388295e..573468b1 100644
--- a/assets/js/backend_users_admins.js
+++ b/assets/js/backend_users_admins.js
@@ -22,6 +22,7 @@
      */
     var AdminsHelper = function () {
         this.filterResults = []; // Store the results for later use.
+        this.filterLimit = 20;
     };
 
     /**
@@ -351,7 +352,8 @@
         var postUrl = GlobalVariables.baseUrl + '/index.php/backend_api/ajax_filter_admins';
         var postData = {
             csrfToken: GlobalVariables.csrfToken,
-            key: key
+            key: key,
+            limit: this.filterLimit
         };
 
         $.post(postUrl, postData, function (response) {
@@ -369,6 +371,17 @@
 
             if (response.length == 0) {
                 $('#filter-admins .results').html('<em>' + EALang.no_records_found + '</em>')
+            } else if (response.length === this.filterLimit) {
+                $('<button/>', {
+                    'type': 'button',
+                    'class': 'well btn-block load-more text-center',
+                    'text': EALang.load_more,
+                    'click': function () {
+                        this.filterLimit += 20;
+                        this.filter(key, selectId, display);
+                    }.bind(this)
+                })
+                    .appendTo('#filter-admins .results');
             }
 
             if (selectId != undefined) {
diff --git a/assets/js/backend_users_providers.js b/assets/js/backend_users_providers.js
index 826ea3dc..c8974681 100755
--- a/assets/js/backend_users_providers.js
+++ b/assets/js/backend_users_providers.js
@@ -24,6 +24,7 @@
      */
     var ProvidersHelper = function () {
         this.filterResults = {}; // Store the results for later use.
+        this.filterLimit = 20;
     };
 
     /**
@@ -450,7 +451,8 @@
         var postUrl = GlobalVariables.baseUrl + '/index.php/backend_api/ajax_filter_providers';
         var postData = {
             csrfToken: GlobalVariables.csrfToken,
-            key: key
+            key: key,
+            limit: this.filterLimit
         };
 
         $.post(postUrl, postData, function (response) {
@@ -468,6 +470,17 @@
 
             if (response.length == 0) {
                 $('#filter-providers .results').html('<em>' + EALang.no_records_found + '</em>')
+            } else if (response.length === this.filterLimit) {
+                $('<button/>', {
+                    'type': 'button',
+                    'class': 'well btn-block load-more text-center',
+                    'text': EALang.load_more,
+                    'click': function () {
+                        this.filterLimit += 20;
+                        this.filter(key, selectId, display);
+                    }.bind(this)
+                })
+                    .appendTo('#filter-providers .results');
             }
 
             if (selectId != undefined) {
diff --git a/assets/js/backend_users_secretaries.js b/assets/js/backend_users_secretaries.js
index bf63e4e6..c3c0bb74 100644
--- a/assets/js/backend_users_secretaries.js
+++ b/assets/js/backend_users_secretaries.js
@@ -24,6 +24,7 @@
      */
     var SecretariesHelper = function () {
         this.filterResults = {}; // Store the results for later use.
+        this.filterLimit = 20;
     };
 
     /**
@@ -375,7 +376,8 @@
         var postUrl = GlobalVariables.baseUrl + '/index.php/backend_api/ajax_filter_secretaries';
         var postData = {
             csrfToken: GlobalVariables.csrfToken,
-            key: key
+            key: key,
+            limit: this.filterLimit
         };
 
         $.post(postUrl, postData, function (response) {
@@ -393,6 +395,17 @@
 
             if (response.length == 0) {
                 $('#filter-secretaries .results').html('<em>' + EALang.no_records_found + '</em>')
+            } else if (response.length === this.filterLimit) {
+                $('<button/>', {
+                    'type': 'button',
+                    'class': 'well btn-block load-more text-center',
+                    'text': EALang.load_more,
+                    'click': function () {
+                        this.filterLimit += 20;
+                        this.filter(key, selectId, display);
+                    }.bind(this)
+                })
+                    .appendTo('#filter-secretaries .results');
             }
 
             if (selectId != undefined) {