diff --git a/src/application/models/Services_model.php b/src/application/models/Services_model.php
index 9f582599..9f130a88 100644
--- a/src/application/models/Services_model.php
+++ b/src/application/models/Services_model.php
@@ -142,6 +142,12 @@ class Services_Model extends CI_Model {
                         . ' or ' . AVAILABILITIES_TYPE_FIXED . ' (given ' .  $service['availabilities_type'] . ')');
         }
 
+        if ($service['attendants_number'] !== NULL && (!is_numeric($service['attendants_number']) 
+                        || $service['attendants_number'] < 1)) {
+            throw new Exception('Service attendants number must be numeric and greater or equal to one: ' 
+                    . $service['attendants_number']);
+        }
+
         return TRUE;
     }
 
diff --git a/src/application/views/backend/services.php b/src/application/views/backend/services.php
index d408f538..0ff9c315 100644
--- a/src/application/views/backend/services.php
+++ b/src/application/views/backend/services.php
@@ -131,6 +131,11 @@
                     </select>
                 </div>
 
+                <div class="form-group">
+                    <label for="service-attendants-number"><?php echo $this->lang->line('attendants_number'); ?> *</label>
+                    <input type="text" id="service-attendants-number" class="form-control required"  />
+                </div>
+
                 <div class="form-group">
                     <label for="service-description"><?php echo $this->lang->line('description'); ?></label>
                     <textarea id="service-description" rows="4" class="form-control"></textarea>
diff --git a/src/assets/js/backend_services.js b/src/assets/js/backend_services.js
index 9203873f..3da3efaa 100644
--- a/src/assets/js/backend_services.js
+++ b/src/assets/js/backend_services.js
@@ -47,8 +47,8 @@ window.BackendServices = window.BackendServices || {};
         });
         $('#service-category').append(new Option('- ' + EALang['no_category'] + ' -', null)).val('null');
 
-        $('#service-duration').spinner({
-            min: 0,
+        $('#service-duration, #service-attendants-number').spinner({
+            min: 1,
             disabled: true // default
         });
 
diff --git a/src/assets/js/backend_services_helper.js b/src/assets/js/backend_services_helper.js
index af0ea076..86dface5 100644
--- a/src/assets/js/backend_services_helper.js
+++ b/src/assets/js/backend_services_helper.js
@@ -84,7 +84,7 @@
             $('#services .save-cancel-group').show();
             $('#services .record-details').find('input, textarea').prop('readonly', false);
             $('#services .record-details').find('select').prop('disabled', false);
-            $('#service-duration').spinner('enable');
+            $('#service-duration, #service-attendants-number').spinner('enable');
 
             $('#filter-services button').prop('disabled', true);
             $('#filter-services .results').css('color', '#AAA');
@@ -113,7 +113,8 @@
                 price: $('#service-price').val(),
                 currency: $('#service-currency').val(),
                 description: $('#service-description').val(),
-                availabilities_type: $('#service-availabilities-type').val()
+                availabilities_type: $('#service-availabilities-type').val(),
+                attendants_number: $('#service-attendants-number').val()
             };
 
             if ($('#service-category').val() !== 'null') {
@@ -141,7 +142,7 @@
             $('#services .save-cancel-group').show();
             $('#services .record-details').find('input, textarea').prop('readonly', false);
             $('#services .record-details select').prop('disabled', false);
-            $('#service-duration').spinner('enable');
+            $('#service-duration, #service-attendants-number').spinner('enable');
 
             $('#filter-services button').prop('disabled', true);
             $('#filter-services .results').css('color', '#AAA');
@@ -259,7 +260,7 @@
         $('#edit-service, #delete-service').prop('disabled', true);
         $('#services .record-details').find('input, textarea').prop('readonly', true);
         $('#service-category').prop('disabled', true);
-        $('#service-duration').spinner('disable');
+        $('#service-duration, #service-attendants-number').spinner('disable');
 
         $('#filter-services .selected').removeClass('selected');
         $('#filter-services button').prop('disabled', false);
@@ -279,6 +280,7 @@
         $('#service-currency').val(service.currency);
         $('#service-description').val(service.description);
         $('#service-availabilities-type').val(service.availabilities_type);
+        $('#service-attendants-number').val(service.attendants_number);
 
         var categoryId = (service.id_service_categories !== null) ? service.id_service_categories : 'null';
         $('#service-category').val(categoryId);