diff --git a/config/settings/base.py b/config/settings/base.py
index 6bd8d14a4..12bbc6937 100644
--- a/config/settings/base.py
+++ b/config/settings/base.py
@@ -861,6 +861,7 @@
     "from lemarche.utils import constants",
     "from lemarche.siaes import constants as siae_constants",
     "from lemarche.tenders import constants as tender_constants",
+    "from lemarche.utils.apis import api_brevo, api_mailjet",
 ]
 FORM_RENDERER = "django.forms.renderers.TemplatesSetting"
 
diff --git a/lemarche/siaes/models.py b/lemarche/siaes/models.py
index f67140c1d..fe1c8d6ca 100644
--- a/lemarche/siaes/models.py
+++ b/lemarche/siaes/models.py
@@ -26,6 +26,7 @@
 from lemarche.utils.constants import DEPARTMENTS_PRETTY, RECALCULATED_FIELD_HELP_TEXT, REGIONS_PRETTY
 from lemarche.utils.data import round_by_base
 from lemarche.utils.fields import ChoiceArrayField
+from lemarche.utils.urls import get_admin_url_object
 
 
 def get_region_filter(perimeter):
@@ -1230,6 +1231,9 @@ def siae_user_requests_pending_count(self):
     def get_absolute_url(self):
         return reverse("siae:detail", kwargs={"slug": self.slug})
 
+    def get_admin_url(self):
+        return get_admin_url_object(self)
+
     def set_super_badge(self):
         update_fields_list = ["super_badge"]
         siae_super_badge_current_value = self.super_badge
diff --git a/lemarche/templates/siaes/_detail_admin_extra_info.html b/lemarche/templates/siaes/_detail_admin_extra_info.html
index 55cb3d9f9..a72b224ba 100644
--- a/lemarche/templates/siaes/_detail_admin_extra_info.html
+++ b/lemarche/templates/siaes/_detail_admin_extra_info.html
@@ -24,7 +24,7 @@ <h2 class="h3">Informations Admin</h2>
                     </li>
                 {% endif %}
                 <li>
-                    <a href="{% url 'admin:siaes_siae_change' siae.id %}" target="_blank" id="siae-detail-admin-btn" class="btn btn-sm btn-outline-primary btn-ico">
+                    <a href="{{ siae.get_admin_url }}" target="_blank" id="siae-detail-admin-btn" class="btn btn-sm btn-outline-primary btn-ico">
                         <span>
                             Lien vers l'admin&nbsp;
                             <i class="ri-external-link-line" aria-hidden="true"></i>
diff --git a/lemarche/utils/apis/api_brevo.py b/lemarche/utils/apis/api_brevo.py
index db5b04c4e..8082d68fb 100644
--- a/lemarche/utils/apis/api_brevo.py
+++ b/lemarche/utils/apis/api_brevo.py
@@ -6,7 +6,9 @@
 from huey.contrib.djhuey import task
 from sib_api_v3_sdk.rest import ApiException
 
+from lemarche.siaes.models import Siae
 from lemarche.users.models import User
+from lemarche.utils.urls import get_admin_url_object, get_share_url_object
 
 
 logger = logging.getLogger(__name__)
@@ -65,6 +67,28 @@ def remove_contact_from_list(user: User, list_id: int):
             logger.error("Exception when calling Brevo->ContactsApi->remove_contact_from_list: %s\n" % e)
 
 
+def create_company(siae: Siae):
+    api_client = get_api_client()
+    api_instance = sib_api_v3_sdk.CompaniesApi(api_client)
+    new_company = sib_api_v3_sdk.Body(
+        name=siae.name,
+        attributes={
+            "id": siae.id,
+            "siae": True,
+            "kind": siae.kind,
+            "domain": siae.website,
+            "link_app": get_share_url_object(siae),
+            "link_admin": get_admin_url_object(siae),
+        },
+    )
+
+    try:
+        api_response = api_instance.companies_post(new_company)
+        logger.info("Succes Brevo->CompaniesApi->create_company: %s\n" % api_response)
+    except ApiException as e:
+        logger.error("Exception when calling Brevo->CompaniesApi->create_company: %s\n" % e)
+
+
 @task()
 def send_transactional_email_with_template(
     template_id: int,