diff --git a/pms/models/pms_checkin_partner.py b/pms/models/pms_checkin_partner.py
index f2024b938a..08eb6c91a5 100644
--- a/pms/models/pms_checkin_partner.py
+++ b/pms/models/pms_checkin_partner.py
@@ -561,6 +561,18 @@ def set_partner_id(self):
                     partner = self.env["res.partner"].create(partner_values)
                     record.partner_id = partner
 
+    def _set_partner_contact_data(self):
+        # The email/mobile/phone inverses only reach an already linked partner, so
+        # the values saved together with the data that creates or links it are lost
+        for record in self.filtered("partner_id"):
+            vals = {
+                field: record[field]
+                for field in ("email", "mobile", "phone")
+                if record[field] and not record.partner_id[field]
+            }
+            if vals:
+                record.partner_id.write(vals)
+
     @api.model_create_multi
     def create(self, vals_list):
         records = self.env["pms.checkin.partner"]
@@ -598,6 +610,7 @@ def create(self, vals_list):
         records_without_partner = records.filtered(lambda r: not r.partner_id)
         if records_without_partner:
             records_without_partner.set_partner_id()
+            records_without_partner._set_partner_contact_data()
         for record in records:
             record.set_partner_address()
         return records
@@ -615,6 +628,7 @@ def write(self, vals):
                 records_without_partner.with_context(
                     skip_set_partner_data=True
                 ).set_partner_id()
+                records_without_partner._set_partner_contact_data()
             for record in self:
                 record.set_partner_address(vals)
         return res
diff --git a/pms/tests/test_pms_checkin_partner.py b/pms/tests/test_pms_checkin_partner.py
index 7e178bd09e..93966740a2 100644
--- a/pms/tests/test_pms_checkin_partner.py
+++ b/pms/tests/test_pms_checkin_partner.py
@@ -871,6 +871,42 @@ def test_create_partner_when_checkin_has_enought_data(self):
             "Partner should have been created and associated with the checkin",
         )
 
+    def test_contact_data_saved_in_partner_created_by_checkin(self):
+        """
+        The email and mobile entered together with the data that creates
+        the partner are saved in the new partner
+        """
+        # ACT
+        checkin = self.env["pms.checkin.partner"].create(
+            {
+                "firstname": "Pepe",
+                "lastname": "Paz",
+                "email": "pepe@example.com",
+                "mobile": "666777888",
+                "reservation_id": self.reservation_1.id,
+            }
+        )
+
+        # ASSERT
+        self.assertEqual(checkin.partner_id.email, "pepe@example.com")
+        self.assertEqual(checkin.partner_id.mobile, "666777888")
+
+    def test_contact_data_saved_in_partner_created_on_checkin_write(self):
+        """
+        The mobile written together with the names that create the partner
+        is saved in the new partner
+        """
+        # ARRANGE
+        checkin = self.env["pms.checkin.partner"].create(
+            {"reservation_id": self.reservation_1.id}
+        )
+
+        # ACT
+        checkin.write({"firstname": "Pepe", "lastname": "Paz", "mobile": "666777888"})
+
+        # ASSERT
+        self.assertEqual(checkin.partner_id.mobile, "666777888")
+
     def test_add_partner_data_from_checkin(self):
         """
         If the checkin_partner has some data that the partner doesn't have,