diff --git a/models/res_partner.py b/models/res_partner.py
index c01dc513de80da59576651efbc532b6c49af91f2..77a73eb18b383e76da2fb69f4ddec82fc980e55a 100644
--- a/models/res_partner.py
+++ b/models/res_partner.py
@@ -72,11 +72,12 @@ class AlfodooResPartner(models.Model):
         path = backend.initial_directory_write
         root_folder = backend.get_folder_by_path(path)
         for partner in self:
-            folder_name = (
+            partner_name = (
                 partner.name
                 if not partner.name.startswith(".")
                 else partner.name.replace(".", "_", 1)
             )
+            folder_name = partner_name + " - " + partner.siren if partner.siren else partner_name
             sanitized_name = backend.sanitize_cmis_name(folder_name).replace("+", "_")
             name = backend.get_unique_folder_name(sanitized_name, root_folder)
             properties = partner._get_folder_properties(records, backend)
@@ -111,11 +112,12 @@ class AlfodooResPartner(models.Model):
                             record.id
                         )
                         if vals.get("name", False):
-                            folder_name = (
+                            partner_name = (
                                 record.name
                                 if not record.name.startswith(".")
                                 else record.name.replace(".", "_", 1)
                             )
+                            folder_name = partner_name + " - " + record.siren if record.siren else partner_name
                             properties.update({"cmis:name": folder_name})
                         folder = backend.get_cmis_object(record)
                         folder.updateProperties(properties)