diff --git a/models/res_partner.py b/models/res_partner.py
index 4abc7abc8d84903fc3d9e1c5f95e59d675887cfd..9d6a6916de8248961df0c5cb2c4c9d741f671ef1 100644
--- a/models/res_partner.py
+++ b/models/res_partner.py
@@ -270,7 +270,17 @@ class ScopPartner(models.Model):
         store=True,
     )
     activity_desc = fields.Text("Description de l'activité", tracking=True)
-
+    activity_customers = fields.Selection(
+        [
+            ("ND", "Non définie"),
+            ("PR", "Clients professionnels"),
+            ("PA", "Clients particuliers"),
+            ("PP", "Clients professionnels et particuliers"),
+        ],
+        string="Relation commerciale",
+        default="ND",
+        tracking=True,
+    )
     certification_ids = fields.Many2many(
         comodel_name="res.partner.certification",
         string="Agréments",
diff --git a/views/res_partner.xml b/views/res_partner.xml
index 91bb68e332421abc5798c9cfefbdb94df9331fa9..385b5ccdfa3578a35c6e1984f8892a88b34eb07c 100644
--- a/views/res_partner.xml
+++ b/views/res_partner.xml
@@ -1691,6 +1691,7 @@
                         <group string="Annuaire">
                             <field name="secteur_id" />
                             <field name="activity_desc" />
+                            <field name="activity_customers" />
                         </group>
                     </page>
                 </xpath>