diff --git a/src/Bundle/ChillPersonBundle/Export/Aggregator/ReferrerAggregator.php b/src/Bundle/ChillPersonBundle/Export/Aggregator/ReferrerAggregator.php
new file mode 100644
index 000000000..3dbc4b820
--- /dev/null
+++ b/src/Bundle/ChillPersonBundle/Export/Aggregator/ReferrerAggregator.php
@@ -0,0 +1,86 @@
+<?php
+
+/**
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Chill\PersonBundle\Export\Aggregator;
+
+use Chill\MainBundle\Export\AggregatorInterface;
+use Chill\MainBundle\Repository\UserRepository;
+use Chill\PersonBundle\Entity\Person;
+use Chill\PersonBundle\Export\Declarations;
+use Doctrine\ORM\EntityRepository;
+use Doctrine\ORM\QueryBuilder;
+use LogicException;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;
+
+final class ReferrerAggregator implements AggregatorInterface
+{
+    private UserRepository $userRepository;
+
+    public function __construct(UserRepository $userRepository)
+    {
+        $this->userRepository = $userRepository;
+    }
+
+    public function addRole()
+    {
+        return null;
+    }
+
+    public function alterQuery(QueryBuilder $qb, $data)
+    {
+        $qb->join('acpw.referrers', 'r');
+        $qb->addSelect('r.id as referrer_aggregator');
+
+        $groupBy = $qb->getDQLPart('groupBy');
+
+        if (!empty($groupBy)) {
+            $qb->addGroupBy('referrer_aggregator');
+        } else {
+            $qb->groupBy('referrer_aggregator');
+        }
+
+    }
+
+    public function applyOn()
+    {
+        return Declarations::SOCIAL_WORK_ACTION_TYPE;
+    }
+
+    public function buildForm(FormBuilderInterface $builder)
+    {
+        // no form
+    }
+
+    public function getLabels($key, array $values, $data)
+    {
+        dump($values);
+        return function ($value): string {
+            if ('_header' === $value) {
+                return 'Referrer';
+            }
+
+            $r = $this->userRepository->find($value);
+
+            return $r->getUsername();
+        };
+    }
+
+    public function getQueryKeys($data)
+    {
+        return ['referrer_aggregator'];
+    }
+
+    public function getTitle()
+    {
+        return 'Group social work actions by referrers';
+    }
+}
diff --git a/src/Bundle/ChillPersonBundle/config/services/exports_social_actions.yaml b/src/Bundle/ChillPersonBundle/config/services/exports_social_actions.yaml
index a6b7963c0..96e14d99a 100644
--- a/src/Bundle/ChillPersonBundle/config/services/exports_social_actions.yaml
+++ b/src/Bundle/ChillPersonBundle/config/services/exports_social_actions.yaml
@@ -30,8 +30,16 @@ services:
         - { name: chill.export_filter, alias: social_work_actions_userscope_filter }
 
   chill.person.export.filter_userjob:
-      class: Chill\PersonBundle\Export\Filter\UserJobFilter
-      autowire: true
-      autoconfigure: true
-      tags:
-          - { name: chill.export_filter, alias: social_work_actions_userjob_filter }
\ No newline at end of file
+    class: Chill\PersonBundle\Export\Filter\UserJobFilter
+    autowire: true
+    autoconfigure: true
+    tags:
+        - { name: chill.export_filter, alias: social_work_actions_userjob_filter }
+  
+  ## AGGREGATORS
+  chill.person.export.aggregator_referrer:
+    class: Chill\PersonBundle\Export\Aggregator\ReferrerAggregator
+    autowire: true
+    autoconfigure: true
+    tags:
+        - { name: chill.export_aggregator, alias: social_work_actions_referrer_aggregator }