diff --git a/lemarche/siaes/admin.py b/lemarche/siaes/admin.py
index 2c13c9863..6c2cb0b04 100644
--- a/lemarche/siaes/admin.py
+++ b/lemarche/siaes/admin.py
@@ -4,7 +4,6 @@
 from django.contrib.contenttypes.admin import GenericTabularInline
 from django.contrib.gis import admin as gis_admin
 from django.db import models
-from django.db.models import Count
 from django.urls import reverse
 from django.utils.html import format_html, mark_safe
 from fieldsets_with_inlines import FieldsetsInlineMixin
@@ -717,14 +716,14 @@ def image_url_display(self, siae_image):
 
 @admin.register(SiaeGroup, site=admin_site)
 class SiaeGroupAdmin(admin.ModelAdmin):
-    list_display = ["id", "name", "nb_siaes", "created_at"]
+    list_display = ["id", "name", "siae_count_annotated_with_link", "created_at"]
     search_fields = ["id", "name"]
     search_help_text = "Cherche sur les champs : ID, Nom"
 
     prepopulated_fields = {"slug": ("name",)}
     autocomplete_fields = ["sectors"]
     readonly_fields = [f"{field}_last_updated" for field in SiaeGroup.TRACK_UPDATE_FIELDS] + [
-        "nb_siaes",
+        "siae_count_annotated_with_link",
         "logo_url_display",
         "created_at",
         "updated_at",
@@ -745,7 +744,7 @@ class SiaeGroupAdmin(admin.ModelAdmin):
                     "year_constitution",
                     "siae_count",
                     "siae_count_last_updated",
-                    "nb_siaes",
+                    "siae_count_annotated_with_link",
                     "employees_insertion_count",
                     "employees_insertion_count_last_updated",
                     "employees_permanent_count",
@@ -782,15 +781,15 @@ class SiaeGroupAdmin(admin.ModelAdmin):
 
     def get_queryset(self, request):
         qs = super().get_queryset(request)
-        qs = qs.annotate(siae_count_live=Count("siaes", distinct=True))
+        qs = qs.with_siae_stats()
         return qs
 
-    def nb_siaes(self, siae_group):
+    def siae_count_annotated_with_link(self, siae_group):
         url = reverse("admin:siaes_siae_changelist") + f"?groups__in={siae_group.id}"
-        return format_html(f'<a href="{url}">{siae_group.siae_count_live}</a>')
+        return format_html(f'<a href="{url}">{siae_group.siae_count_annotated}</a>')
 
-    nb_siaes.short_description = "Nombre de structures (live)"
-    nb_siaes.admin_order_field = "siae_count_live"
+    siae_count_annotated_with_link.short_description = "Nombre de structures (live)"
+    siae_count_annotated_with_link.admin_order_field = "siae_count_annotated"
 
     def logo_url_display(self, siae_group):
         if siae_group.logo_url:
diff --git a/lemarche/siaes/factories.py b/lemarche/siaes/factories.py
index 0a30ac020..f77bd586e 100644
--- a/lemarche/siaes/factories.py
+++ b/lemarche/siaes/factories.py
@@ -14,6 +14,11 @@ class Meta:
     name = factory.Faker("company", locale="fr_FR")
     # slug auto-generated
 
+    @factory.post_generation
+    def siaes(self, create, extracted, **kwargs):
+        if extracted:
+            self.siaes.add(*extracted)
+
 
 class SiaeFactory(DjangoModelFactory):
     class Meta:
diff --git a/lemarche/siaes/models.py b/lemarche/siaes/models.py
index 945a97b45..621630899 100644
--- a/lemarche/siaes/models.py
+++ b/lemarche/siaes/models.py
@@ -64,6 +64,11 @@ def get_city_filter(perimeter, with_country=False):
     return filters
 
 
+class SiaeGroupQuerySet(models.QuerySet):
+    def with_siae_stats(self):
+        return self.annotate(siae_count_annotated=Count("siaes", distinct=True))
+
+
 class SiaeGroup(models.Model):
     TRACK_UPDATE_FIELDS = [
         # set last_updated fields
@@ -119,6 +124,8 @@ class SiaeGroup(models.Model):
     created_at = models.DateTimeField("Date de création", default=timezone.now)
     updated_at = models.DateTimeField("Date de modification", auto_now=True)
 
+    objects = models.Manager.from_queryset(SiaeGroupQuerySet)()
+
     class Meta:
         verbose_name = "Groupement"
         verbose_name_plural = "Groupements"
@@ -1124,9 +1131,10 @@ def siae_networks_changed(sender, instance, action, **kwargs):
 
 @receiver(m2m_changed, sender=Siae.groups.through)
 def siae_groups_changed(sender, instance, action, **kwargs):
-    if action in ("post_add", "post_remove", "post_clear"):
-        instance.group_count = instance.groups.count()
-        instance.save()
+    if isinstance(instance, Siae):
+        if action in ("post_add", "post_remove", "post_clear"):
+            instance.group_count = instance.groups.count()
+            instance.save()
 
 
 class SiaeUser(models.Model):
diff --git a/lemarche/siaes/tests.py b/lemarche/siaes/tests.py
index f1c2194e2..137cc45ea 100644
--- a/lemarche/siaes/tests.py
+++ b/lemarche/siaes/tests.py
@@ -49,6 +49,20 @@ def test_update_last_updated_fields(self):
         self.assertNotEqual(siae_group.employees_insertion_count_last_updated, employees_insertion_count_last_updated)
 
 
+class SiaeGroupQuerySetTest(TestCase):
+    @classmethod
+    def setUpTestData(cls):
+        cls.siae_1 = SiaeFactory()
+        cls.siae_2 = SiaeFactory(is_active=False)
+        cls.siae_group = SiaeGroupFactory()
+        cls.siae_group_with_siaes = SiaeGroupFactory(siaes=[cls.siae_1, cls.siae_2])
+
+    def test_with_siae_stats(self):
+        siae_group_queryset = SiaeGroup.objects.with_siae_stats()
+        self.assertEqual(siae_group_queryset.get(id=self.siae_group.id).siae_count_annotated, 0)
+        self.assertEqual(siae_group_queryset.get(id=self.siae_group_with_siaes.id).siae_count_annotated, 2)
+
+
 class SiaeModelTest(TestCase):
     def setUp(self):
         pass
diff --git a/lemarche/templates/tenders/_card_list_item.html b/lemarche/templates/tenders/_card_list_item.html
index 42ba2d889..0ce087f80 100644
--- a/lemarche/templates/tenders/_card_list_item.html
+++ b/lemarche/templates/tenders/_card_list_item.html
@@ -1,7 +1,7 @@
 <div>
     <time class="fs-sm d-block" aria-label="Date de clôture">
         <span>{{ tender.deadline_date|default:"" }}</span>
-        {% if tender.deadline_date_is_outdated %}
+        {% if tender.deadline_date_is_outdated_annotated %}
             <span class="badge badge-xs badge-base badge-pill badge-pilotage float-right">Clôturé</span>
         {% endif %}
         {% if tender.status == tender.STATUS_DRAFT %}
diff --git a/lemarche/templates/tenders/_list_item_buyer.html b/lemarche/templates/tenders/_list_item_buyer.html
index 85a91c926..2b8f39ef3 100644
--- a/lemarche/templates/tenders/_list_item_buyer.html
+++ b/lemarche/templates/tenders/_list_item_buyer.html
@@ -6,7 +6,7 @@
             <div class="col-md-8" style="border-right:1px solid;">
                 <p class="mb-1">
                     Date de clôture : {{ tender.deadline_date|default:"" }}
-                    {% if tender.deadline_date_is_outdated %}
+                    {% if tender.deadline_date_is_outdated_annotated %}
                         <span class="badge badge-sm badge-base badge-pill badge-pilotage">Clôturé</span>
                     {% endif %}
                     {% if tender.status == tender.STATUS_DRAFT %}
diff --git a/lemarche/templates/tenders/_list_item_network.html b/lemarche/templates/tenders/_list_item_network.html
index 147904f8b..f5c540c64 100644
--- a/lemarche/templates/tenders/_list_item_network.html
+++ b/lemarche/templates/tenders/_list_item_network.html
@@ -8,7 +8,7 @@
                     <div class="col-md-12">
                         <p class="mb-1">
                             Date de clôture : {{ tender.deadline_date|default:"" }}
-                            {% if tender.deadline_date_is_outdated %}
+                            {% if tender.deadline_date_is_outdated_annotated %}
                                 <span class="badge badge-sm badge-base badge-pill badge-pilotage">Clôturé</span>
                             {% endif %}
                             <span class="float-right badge badge-base badge-pill badge-emploi">
diff --git a/lemarche/templates/tenders/_list_item_siae.html b/lemarche/templates/tenders/_list_item_siae.html
index e755d14a8..99fd944dd 100644
--- a/lemarche/templates/tenders/_list_item_siae.html
+++ b/lemarche/templates/tenders/_list_item_siae.html
@@ -6,7 +6,7 @@
             <div class="col-md-12">
                 <p class="mb-1">
                     Date de clôture : {{ tender.deadline_date|default:"" }}
-                    {% if tender.deadline_date_is_outdated %}
+                    {% if tender.deadline_date_is_outdated_annotated %}
                         <span class="badge badge-sm badge-base badge-pill badge-pilotage">Clôturé</span>
                     {% endif %}
                     {% if not tender.tendersiae_set.first.detail_display_date %}
diff --git a/lemarche/tenders/models.py b/lemarche/tenders/models.py
index 17a3178cb..0d54e1c46 100644
--- a/lemarche/tenders/models.py
+++ b/lemarche/tenders/models.py
@@ -83,12 +83,14 @@ def filter_with_siaes(self, siaes):
 
     def with_deadline_date_is_outdated(self, limit_date=datetime.today()):
         return self.annotate(
-            deadline_date_is_outdated=ExpressionWrapper(Q(deadline_date__lt=limit_date), output_field=BooleanField())
+            deadline_date_is_outdated_annotated=ExpressionWrapper(
+                Q(deadline_date__lt=limit_date), output_field=BooleanField()
+            )
         )
 
     def order_by_deadline_date(self, limit_date=datetime.today()):
         return self.with_deadline_date_is_outdated(limit_date=limit_date).order_by(
-            "deadline_date_is_outdated", "deadline_date", "-updated_at"
+            "deadline_date_is_outdated_annotated", "deadline_date", "-updated_at"
         )
 
     def with_question_stats(self):
diff --git a/lemarche/tenders/tests.py b/lemarche/tenders/tests.py
index 201bc4f6e..e5cae942f 100644
--- a/lemarche/tenders/tests.py
+++ b/lemarche/tenders/tests.py
@@ -167,24 +167,24 @@ def setUpTestData(cls):
             # coords=Point(5.8862, 45.1106),
         )
 
-    def test_by_user_queryset(self):
+    def test_by_user(self):
         user = UserFactory()
         TenderFactory(author=user)
         TenderFactory()
         self.assertEqual(Tender.objects.by_user(user).count(), 1)
 
-    def test_validated_queryset(self):
+    def test_validated(self):
         TenderFactory(validated_at=timezone.now())
         TenderFactory(validated_at=None)
         self.assertEqual(Tender.objects.validated().count(), 1)
 
-    def test_is_live_queryset(self):
+    def test_is_live(self):
         TenderFactory(deadline_date=timezone.now() + timedelta(days=1))
         TenderFactory(deadline_date=timezone.now() - timedelta(days=1))
         # TenderFactory(deadline_date=None)  # cannot be None
         self.assertEqual(Tender.objects.is_live().count(), 1)
 
-    def test_has_amount_queryset(self):
+    def test_has_amount(self):
         TenderFactory()
         TenderFactory(amount=tender_constants.AMOUNT_RANGE_0_1)
         TenderFactory(amount_exact=1000)
@@ -193,7 +193,7 @@ def test_has_amount_queryset(self):
         self.assertEqual(Tender.objects.has_amount().count(), 3)
         self.assertEqual(Tender.objects.filter(amount__isnull=True, amount_exact__isnull=True).count(), 1)
 
-    def test_in_sectors_queryset(self):
+    def test_in_sectors(self):
         sector_1 = SectorFactory(name="Un secteur")
         sector_2 = SectorFactory(name="Un deuxieme secteur")
         sector_3 = SectorFactory(name="Autre")
@@ -205,7 +205,7 @@ def test_in_sectors_queryset(self):
         self.assertEqual(Tender.objects.in_sectors([sector_1, sector_3]).count(), 1)
         self.assertEqual(Tender.objects.in_sectors([sector_3]).count(), 0)
 
-    def test_in_perimeters_queryset(self):
+    def test_in_perimeters(self):
         # create the Perimeters
         auvergne_rhone_alpes_perimeter = PerimeterFactory(
             name="Auvergne-Rhône-Alpes", kind=Perimeter.KIND_REGION, insee_code="R84"
@@ -248,7 +248,7 @@ def test_default_order(self):
         self.assertEqual(tender_queryset.count(), 3)
         self.assertEqual(tender_queryset.first().id, self.tender_3.id)
 
-    def test_order_by_deadline_date_queryset(self):
+    def test_order_by_deadline_date(self):
         tender_queryset = Tender.objects.order_by_deadline_date()
         self.assertEqual(tender_queryset.count(), 3)
         self.assertEqual(tender_queryset.first().id, self.tender_2.id)
@@ -306,13 +306,13 @@ def setUpTestData(cls):
         TenderQuestionFactory(tender=cls.tender_with_siae_1)
         TenderQuestionFactory(tender=cls.tender_with_siae_1)
 
-    def test_filter_with_siaes_queryset(self):
+    def test_filter_with_siaes(self):
         self.tender_with_siae_2.validated_at = None
         self.tender_with_siae_2.save()
         # tender_with_siae_2 is not validated
         self.assertEqual(Tender.objects.filter_with_siaes(self.user_siae.siaes.all()).count(), 1)
 
-    def test_with_siae_stats_queryset(self):
+    def test_with_siae_stats(self):
         self.assertEqual(Tender.objects.count(), 2 + 1)
         tender_with_siae_1 = Tender.objects.with_siae_stats().filter(id=self.tender_with_siae_1.id).first()
         self.assertEqual(tender_with_siae_1.siaes.count(), 6)
@@ -340,7 +340,7 @@ def test_with_siae_stats_queryset(self):
         self.assertEqual(tender_without_siae.siae_detail_contact_click_count, 0)
         self.assertEqual(tender_without_siae.siae_detail_contact_click_since_last_seen_date_count, 0)
 
-    def test_siae_with_tender_stats_queryset(self):
+    def test_siae_with_tender_stats(self):
         self.assertEqual(Siae.objects.count(), 6 + 1)
         siae_with_tender_1 = Siae.objects.with_tender_stats().filter(id=self.siae_with_tender_1.id).first()
         # self.assertEqual(siae_with_tender_1.tenders.count(), 2)
@@ -361,14 +361,14 @@ def test_with_question_stats(self):
         self.assertEqual(tender_with_siae_1.questions.count(), 2)
         self.assertEqual(tender_with_siae_1.question_count, 2)
 
-    def test_with_deadline_date_is_outdated_queryset(self):
+    def test_with_deadline_date_is_outdated(self):
         TenderFactory(deadline_date=date_last_week)
         tender_queryset = Tender.objects.with_deadline_date_is_outdated()
         tender_3 = tender_queryset.first()  # order by -created_at
-        self.assertTrue(tender_3.deadline_date_is_outdated)
+        self.assertTrue(tender_3.deadline_date_is_outdated_annotated)
         tender_with_siae_1 = tender_queryset.last()
         self.assertEqual(tender_with_siae_1.id, self.tender_with_siae_1.id)
-        self.assertFalse(tender_with_siae_1.deadline_date_is_outdated)
+        self.assertFalse(tender_with_siae_1.deadline_date_is_outdated_annotated)
 
     # doesn't work when chaining these 2 querysets: adds duplicates...
     # def test_chain_querysets(self):
@@ -551,7 +551,7 @@ def setUpTestData(cls):
             siaes=[siae_with_tender_2, siae_with_tender_3], deadline_date=date_tomorrow
         )
 
-    def test_email_click_reminder_queryset(self):
+    def test_email_click_reminder(self):
         lt_days_ago = timezone.now() - timedelta(days=2)
         gte_days_ago = timezone.now() - timedelta(days=2 + 1)
         self.assertEqual(TenderSiae.objects.count(), 2 + 2 + 4)
@@ -559,7 +559,7 @@ def test_email_click_reminder_queryset(self):
             TenderSiae.objects.email_click_reminder(lt_days_ago=lt_days_ago, gte_days_ago=gte_days_ago).count(), 1
         )
 
-    def test_detail_contact_click_post_reminder_queryset(self):
+    def test_detail_contact_click_post_reminder(self):
         lt_days_ago = timezone.now() - timedelta(days=2)
         gte_days_ago = timezone.now() - timedelta(days=2 + 1)
         self.assertEqual(TenderSiae.objects.count(), 2 + 2 + 4)