diff --git a/src/Controller/OrganisationRegistrationController.php b/src/Controller/OrganisationRegistrationController.php
index a70ca70..1e13e87 100644
--- a/src/Controller/OrganisationRegistrationController.php
+++ b/src/Controller/OrganisationRegistrationController.php
@@ -275,6 +275,11 @@ class OrganisationRegistrationController extends SimpleController
         $requester = $classMapper->getClassMapping('user')::find($verification->requester_id);
 
         $this->sendApprovedEmail($organisation, $requester);
+
+        $this->ci->userActivityLogger->info("User {$currentUser->user_name} approved the registration request for organisation {$organisation->name}.", [
+            'type'    => 'organisation_approved',
+            'user_id' => $currentUser->id,
+        ]);
         
         $ms->addMessageTranslated('success', 'ORGANISATION.APPROVAL.APPROVED', [
             'name' => $organisation->name
@@ -351,6 +356,11 @@ class OrganisationRegistrationController extends SimpleController
         $requester = $classMapper->getClassMapping('user')::find($verification->requester_id);
 
         $this->sendApprovedEmail($organisation, $requester);
+
+        $this->ci->userActivityLogger->info("User {$currentUser->user_name} approved the registration request for organisation {$organisation->name}.", [
+            'type'    => 'organisation_approved',
+            'user_id' => $currentUser->id,
+        ]);
         
         $ms->addMessageTranslated('success', 'ORGANISATION.APPROVAL.APPROVED', [
             'name' => $organisation->name
@@ -413,6 +423,11 @@ class OrganisationRegistrationController extends SimpleController
         $this->sendRejectedEmail($organisation, $requester);
 
         $organisation->delete();
+
+        $this->ci->userActivityLogger->info("User {$currentUser->user_name} rejected the registration request for organisation {$organisation->name}.", [
+            'type'    => 'organisation_rejected',
+            'user_id' => $currentUser->id,
+        ]);
         
         $ms->addMessageTranslated('success', 'ORGANISATION.APPROVAL.REJECTED', [
             'name' => $organisation->name
@@ -494,6 +509,11 @@ class OrganisationRegistrationController extends SimpleController
 
         $this->sendRejectedEmail($organisation, $requester);
 
+        $this->ci->userActivityLogger->info("User {$currentUser->user_name} rejected the registration request for organisation {$organisation->name}.", [
+            'type'    => 'organisation_rejected',
+            'user_id' => $currentUser->id,
+        ]);
+
         $ms->addMessageTranslated('success', 'ORGANISATION.APPROVAL.REJECTED', [
             'name' => $organisation->name
         ]);