diff --git a/src/dashboard/apps/core/factories.py b/src/dashboard/apps/core/factories.py
index c69bbe9f..f2438b52 100644
--- a/src/dashboard/apps/core/factories.py
+++ b/src/dashboard/apps/core/factories.py
@@ -11,6 +11,16 @@ class EntityFactory(factory.django.DjangoModelFactory):
     """Factory class for creating instances of the Entity model."""
 
     name = factory.Faker("company")
+    legal_form = factory.Faker(
+        "random_element", elements=["SA", "SARL", "SAS", "SCOP", "EI"]
+    )
+    trade_name = factory.Faker("company")
+    siret = factory.Faker("numerify", text="##############")
+    naf = factory.Faker("bothify", text="####?", letters="ABCDEFGHIJKLMNOPQRSTUVWXYZ")
+    address_1 = factory.Faker("street_address")
+    address_2 = factory.Faker("secondary_address")
+    address_zip_code = factory.Faker("postcode")
+    address_city = factory.Faker("city")
 
     class Meta:  # noqa: D106
         model = Entity
diff --git a/src/dashboard/apps/core/migrations/0004_entity_company_informations.py b/src/dashboard/apps/core/migrations/0004_entity_company_informations.py
new file mode 100644
index 00000000..319e58b2
--- /dev/null
+++ b/src/dashboard/apps/core/migrations/0004_entity_company_informations.py
@@ -0,0 +1,104 @@
+# Generated by Django 5.1.5 on 2025-01-30 09:02
+
+import apps.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        (
+            "qcd_core",
+            "0003_alter_deliverypoint_managers_alter_entity_proxy_for_and_more",
+        ),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="entity",
+            name="address_1",
+            field=models.CharField(
+                blank=True, max_length=255, null=True, verbose_name="address"
+            ),
+        ),
+        migrations.AddField(
+            model_name="entity",
+            name="address_2",
+            field=models.CharField(
+                blank=True, max_length=255, null=True, verbose_name="address complement"
+            ),
+        ),
+        migrations.AddField(
+            model_name="entity",
+            name="address_city",
+            field=models.CharField(
+                blank=True, max_length=255, null=True, verbose_name="city"
+            ),
+        ),
+        migrations.AddField(
+            model_name="entity",
+            name="address_zip_code",
+            field=models.CharField(
+                blank=True,
+                max_length=5,
+                null=True,
+                validators=[apps.core.validators.validate_zip_code],
+                verbose_name="zip code",
+            ),
+        ),
+        migrations.AddField(
+            model_name="entity",
+            name="company_type",
+            field=models.CharField(
+                choices=[
+                    ("ENTERPRISE", "Entreprise"),
+                    ("LOCAL_COLLECTIVITY", "Collectivité locale"),
+                    ("EPCI", "EPCI"),
+                    ("ASSOCIATION", "Association, copropriété, ..."),
+                ],
+                default="ENTERPRISE",
+                max_length=50,
+                verbose_name="type",
+            ),
+        ),
+        migrations.AddField(
+            model_name="entity",
+            name="legal_form",
+            field=models.CharField(
+                blank=True,
+                help_text="SA, SARL …",
+                max_length=50,
+                null=True,
+                verbose_name="legal form",
+            ),
+        ),
+        migrations.AddField(
+            model_name="entity",
+            name="naf",
+            field=models.CharField(
+                blank=True,
+                max_length=5,
+                null=True,
+                validators=[apps.core.validators.validate_naf_code],
+                verbose_name="NAF code",
+            ),
+        ),
+        migrations.AddField(
+            model_name="entity",
+            name="siret",
+            field=models.CharField(
+                blank=True,
+                max_length=14,
+                null=True,
+                validators=[apps.core.validators.validate_siret],
+                verbose_name="SIRET",
+            ),
+        ),
+        migrations.AddField(
+            model_name="entity",
+            name="trade_name",
+            field=models.CharField(
+                blank=True, max_length=255, null=True, verbose_name="trade name"
+            ),
+        ),
+    ]
diff --git a/src/dashboard/apps/core/models.py b/src/dashboard/apps/core/models.py
index e3f8f106..cc277e7d 100644
--- a/src/dashboard/apps/core/models.py
+++ b/src/dashboard/apps/core/models.py
@@ -10,6 +10,7 @@
 
 from .abstract_models import DashboardBase
 from .managers import DeliveryPointManager
+from .validators import validate_naf_code, validate_siret, validate_zip_code
 
 
 class Entity(DashboardBase):
@@ -22,6 +23,19 @@ class Entity(DashboardBase):
     - proxy_for (ManyToManyField): self-referential relationship indicating proxies.
     """
 
+    ENTERPRISE: str = "ENTERPRISE"
+    LOCAL_COLLECTIVITY: str = "LOCAL_COLLECTIVITY"
+    EPCI: str = "EPCI"
+    ASSOCIATION: str = "ASSOCIATION"
+
+    # Used for the consent contract. Terms must be kept in French.
+    COMPANY_TYPE_CHOICE = [
+        (ENTERPRISE, "Entreprise"),
+        (LOCAL_COLLECTIVITY, "Collectivité locale"),
+        (EPCI, "EPCI"),
+        (ASSOCIATION, "Association, copropriété, ..."),
+    ]
+
     slug = AutoSlugField(_("slug"), populate_from="name", unique=True)
     name = models.CharField(_("name"), max_length=64, unique=True)
     users = models.ManyToManyField(
@@ -34,6 +48,45 @@ class Entity(DashboardBase):
         symmetrical=False,
         related_name="proxies",
     )
+    company_type = models.CharField(
+        _("type"), max_length=50, choices=COMPANY_TYPE_CHOICE, default=ENTERPRISE
+    )
+    legal_form = models.CharField(
+        _("legal form"),
+        max_length=50,
+        help_text=_("SA, SARL …"),
+        blank=True,
+        null=True,
+    )
+    trade_name = models.CharField(
+        _("trade name"), max_length=255, blank=True, null=True
+    )
+    siret = models.CharField(
+        _("SIRET"),
+        max_length=14,
+        validators=[validate_siret],
+        blank=True,
+        null=True,
+    )
+    naf = models.CharField(
+        _("NAF code"),
+        validators=[validate_naf_code],
+        max_length=5,
+        blank=True,
+        null=True,
+    )
+    address_1 = models.CharField(_("address"), max_length=255, blank=True, null=True)
+    address_2 = models.CharField(
+        _("address complement"), max_length=255, blank=True, null=True
+    )
+    address_zip_code = models.CharField(
+        _("zip code"),
+        max_length=5,
+        validators=[validate_zip_code],
+        blank=True,
+        null=True,
+    )
+    address_city = models.CharField(_("city"), max_length=255, blank=True, null=True)
 
     class Meta:  # noqa: D106
         verbose_name = "entity"