diff --git a/lemarche/templates/tenders/_detail_card.html b/lemarche/templates/tenders/_detail_card.html
index ebef2d208..8d113ced4 100644
--- a/lemarche/templates/tenders/_detail_card.html
+++ b/lemarche/templates/tenders/_detail_card.html
@@ -17,8 +17,7 @@ <h1>
             </div>
         </div>
         <div class="row text-bold">
-            <div class="col"
-                 title="Secteurs d'activité : {{ tender.sectors_full_list_string|safe }}">
+            <div class="col" title="Secteurs d'activité : {{ tender.sectors_full_list_string|safe }}">
                 <i class="ri-award-line"></i>
                 {{ tender.sectors_list_string|safe }}
             </div>
@@ -26,10 +25,10 @@ <h1>
                 <i class="ri-map-pin-2-line"></i>
                 {{ tender.location_display|safe }}
             </div>
-            {% if tender.author.company_name %}
-                <div class="col" title="Type de prestation">
+            {% if tender.contact_company_name_display %}
+                <div class="col" title="Entreprise">
                     <i class="ri-building-4-line"></i>
-                    {{ tender.author.company_name }}
+                    {{ tender.contact_company_name_display }}
                 </div>
             {% endif %}
         </div>
diff --git a/lemarche/templates/tenders/_detail_contact.html b/lemarche/templates/tenders/_detail_contact.html
index 504f41f94..11de4b7fa 100644
--- a/lemarche/templates/tenders/_detail_contact.html
+++ b/lemarche/templates/tenders/_detail_contact.html
@@ -14,10 +14,10 @@ <h2>
             {{ tender.contact_full_name|safe }}
         </div>
     {% endif %}
-    {% if tender.author.company_name %}
+    {% if tender.contact_company_name_display %}
         <div class="col-md-6">
             <i class="ri-building-4-line"></i>
-            {{ tender.author.company_name }}
+            {{ tender.contact_company_name_display }}
         </div>
     {% endif %}
     {% if tender.can_display_contact_email or source == "alert" and not tender.response_kind_is_only_external %}
diff --git a/lemarche/tenders/migrations/0055_tender_contact_company_name.py b/lemarche/tenders/migrations/0055_tender_contact_company_name.py
new file mode 100644
index 000000000..f9726a56d
--- /dev/null
+++ b/lemarche/tenders/migrations/0055_tender_contact_company_name.py
@@ -0,0 +1,22 @@
+# Generated by Django 4.2.2 on 2023-09-11 10:17
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("tenders", "0054_tender_survey_transactioned_send_date"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="tender",
+            name="contact_company_name",
+            field=models.CharField(
+                blank=True,
+                help_text="Laisser vide pour afficher le nom de l'entreprise de l'auteur",
+                max_length=255,
+                verbose_name="Nom de l'entreprise du contact",
+            ),
+        ),
+    ]
diff --git a/lemarche/tenders/models.py b/lemarche/tenders/models.py
index 2d306757c..5d60fc41a 100644
--- a/lemarche/tenders/models.py
+++ b/lemarche/tenders/models.py
@@ -263,6 +263,12 @@ class Tender(models.Model):
         max_length=20,
         blank=True,
     )
+    contact_company_name = models.CharField(
+        verbose_name="Nom de l'entreprise du contact",
+        help_text="Laisser vide pour afficher le nom de l'entreprise de l'auteur",
+        max_length=255,
+        blank=True,
+    )
 
     sectors = models.ManyToManyField(
         "sectors.Sector",
@@ -434,6 +440,13 @@ def save(self, *args, **kwargs):
     def contact_full_name(self) -> str:
         return f"{self.contact_first_name} {self.contact_last_name}"
 
+    def contact_company_name_display(self) -> str:
+        if self.contact_company_name:
+            return self.contact_company_name
+        elif self.author.company_name:
+            return self.author.company_name
+        return ""
+
     def sectors_list(self):
         return self.sectors.form_filter_queryset().values_list("name", flat=True)
 
diff --git a/lemarche/www/tenders/tests.py b/lemarche/www/tenders/tests.py
index 416e45a41..9bb11827b 100644
--- a/lemarche/www/tenders/tests.py
+++ b/lemarche/www/tenders/tests.py
@@ -441,12 +441,24 @@ def setUpTestData(cls):
         cls.user_buyer_2 = UserFactory(kind=User.KIND_BUYER)
         cls.user_partner = UserFactory(kind=User.KIND_PARTNER)
         cls.user_admin = UserFactory(kind=User.KIND_ADMIN)
+        sector_1 = SectorFactory(name="Bricolage")
+        grenoble_perimeter = PerimeterFactory(
+            name="Grenoble",
+            kind=Perimeter.KIND_CITY,
+            insee_code="38185",
+            department_code="38",
+            region_code="84",
+            post_codes=["38000", "38100", "38700"],
+            # coords=Point(5.7301, 45.1825),
+        )
         cls.tender_1 = TenderFactory(
             kind=tender_constants.KIND_TENDER,
             author=cls.user_buyer_1,
             amount=tender_constants.AMOUNT_RANGE_100_150,
             accept_share_amount=True,
             response_kind=[Tender.RESPONSE_KIND_EMAIL],
+            sectors=[sector_1],
+            location=grenoble_perimeter,
         )
         cls.tendersiae_1_1 = TenderSiae.objects.create(
             tender=cls.tender_1,
@@ -458,6 +470,7 @@ def setUpTestData(cls):
             detail_contact_click_date=timezone.now(),
         )
         TenderQuestionFactory(tender=cls.tender_1)
+        cls.tender_2 = TenderFactory(author=cls.user_buyer_1, contact_company_name="Another company")
 
     def test_anyone_can_view_validated_tenders(self):
         # anonymous
@@ -501,8 +514,16 @@ def test_tender_basic_fields_display(self):
         url = reverse("tenders:detail", kwargs={"slug": self.tender_1.slug})
         response = self.client.get(url)
         self.assertEqual(response.status_code, 200)
-        # tender.author.company_name
-        self.assertContains(response, "Entreprise Buyer")
+        # sector
+        self.assertContains(response, "Bricolage")
+        # localisation
+        self.assertContains(response, "Grenoble")
+        # company_name
+        self.assertContains(response, "Entreprise Buyer")  # tender.author.company_name
+        url = reverse("tenders:detail", kwargs={"slug": self.tender_2.slug})
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, "Another company")  # tender.contact_company_name
 
     def test_tender_questions_display(self):
         # tender with questions: section should be visible