diff --git a/lemarche/tenders/migrations/0058_tender_siae_count.py b/lemarche/tenders/migrations/0058_tender_siae_count.py
new file mode 100644
index 000000000..936ce9605
--- /dev/null
+++ b/lemarche/tenders/migrations/0058_tender_siae_count.py
@@ -0,0 +1,17 @@
+# Generated by Django 4.2.2 on 2023-10-03 09:24
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("tenders", "0057_alter_tender_siae_transactioned"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="tender",
+            name="siae_count",
+            field=models.IntegerField(default=0, verbose_name="Nombre de structures concernées"),
+        ),
+    ]
diff --git a/lemarche/tenders/models.py b/lemarche/tenders/models.py
index dc261e9ac..745559579 100644
--- a/lemarche/tenders/models.py
+++ b/lemarche/tenders/models.py
@@ -391,6 +391,7 @@ class Tender(models.Model):
     )
 
     # stats
+    siae_count = models.IntegerField("Nombre de structures concernées", default=0)
     published_at = models.DateTimeField("Date de publication", blank=True, null=True)
     siae_list_last_seen_date = models.DateTimeField(
         "Date de dernière visite de l'auteur sur la page 'structures intéressées'", blank=True, null=True