diff --git a/clevercloud/crm_brevo_sync.sh b/clevercloud/crm_brevo_sync.sh
new file mode 100644
index 000000000..bd0e21e3f
--- /dev/null
+++ b/clevercloud/crm_brevo_sync.sh
@@ -0,0 +1,22 @@
+#!/bin/bash -l
+
+# Sync with Brevo CRM (Siae companies, ...)
+
+# Do not run if this env var is not set:
+if [[ -z "$CRON_CRM_BREVO_SYNC_ENABLED" ]]; then
+    echo "CRON_CRM_BREVO_SYNC_ENABLED not set. Exiting..."
+    exit 0
+fi
+
+# About clever cloud cronjobs:
+# https://www.clever-cloud.com/doc/tools/crons/
+
+if [[ "$INSTANCE_NUMBER" != "0" ]]; then
+    echo "Instance number is ${INSTANCE_NUMBER}. Stop here."
+    exit 0
+fi
+
+# $APP_HOME is set by default by clever cloud.
+cd $APP_HOME
+
+django-admin crm_brevo_sync
diff --git a/clevercloud/cron.json b/clevercloud/cron.json
index f377b9235..bfa2d3ccb 100644
--- a/clevercloud/cron.json
+++ b/clevercloud/cron.json
@@ -12,6 +12,7 @@
     "25 7 * * 1 $ROOT/clevercloud/siaes_update_count_fields.sh",
     "30 7 * * 1 $ROOT/clevercloud/siaes_update_super_badge_field.sh",
     "50 7 * * 1 $ROOT/clevercloud/companies_update_users.sh",
+    "55 7 * * 1 $ROOT/clevercloud/crm_brevo_sync.sh",
     "0 7 * * 2 $ROOT/clevercloud/siaes_send_completion_reminder_emails.sh",
     "0 8 * * * $ROOT/clevercloud/siaes_send_user_request_reminder_emails.sh",
     "30 8 * * * $ROOT/clevercloud/tenders_send_author_transactioned_question_emails.sh",
diff --git a/config/settings/base.py b/config/settings/base.py
index 5c1a4c532..00aa710da 100644
--- a/config/settings/base.py
+++ b/config/settings/base.py
@@ -147,6 +147,8 @@
     "lemarche.stats",
     # CMS (Wagtail)
     "lemarche.cms",
+    # Brevo CRM
+    "lemarche.crm",
 ]
 
 WAGTAIL_APPS = [
diff --git a/lemarche/crm/__init__.py b/lemarche/crm/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/lemarche/crm/management/commands/crm_brevo_sync.py b/lemarche/crm/management/commands/crm_brevo_sync.py
new file mode 100644
index 000000000..488f18505
--- /dev/null
+++ b/lemarche/crm/management/commands/crm_brevo_sync.py
@@ -0,0 +1,38 @@
+import time
+from datetime import timedelta
+
+from django.utils import timezone
+
+from lemarche.siaes.models import Siae
+from lemarche.utils.apis import api_brevo
+from lemarche.utils.commands import BaseCommand
+
+
+ten_days_ago = timezone.now() - timedelta(days=4)
+
+
+class Command(BaseCommand):
+    """
+    (Weekly) script to send Siae to Brevo CRM (companies)
+
+    Usage:
+    python manage.py crm_brevo_sync
+    """
+
+    def handle(self, **options):
+        self.stdout.write("-" * 80)
+        self.stdout.write("Script to sync with Brevo CRM...")
+
+        # SIAE --> companies
+        # Update only the recently updated
+        siaes_qs = Siae.objects.filter(updated_at__lte=ten_days_ago)
+        progress = 0
+
+        self.stdout.write(
+            f"Companies: updating our {Siae.objects.count()} siaes. {siaes_qs.count()} recently updated."
+        )
+        for siae in siaes_qs:
+            api_brevo.create_or_update_company(siae)
+            progress += 1
+            if (progress % 10) == 0:  # avoid API rate-limiting
+                time.sleep(1)
diff --git a/lemarche/utils/apis/api_brevo.py b/lemarche/utils/apis/api_brevo.py
index 004129e48..bb4b32e0a 100644
--- a/lemarche/utils/apis/api_brevo.py
+++ b/lemarche/utils/apis/api_brevo.py
@@ -99,14 +99,14 @@ def create_or_update_company(siae: Siae):
     if siae.brevo_company_id:  # update
         try:
             api_response = api_instance.companies_id_patch(siae.brevo_company_id, siae_brevo_company_body)
-            logger.info("Success Brevo->CompaniesApi->create_or_update_company (update): %s" % api_response)
+            # logger.info("Success Brevo->CompaniesApi->create_or_update_company (update): %s" % api_response)
             # api_response: {'attributes': None, 'id': None, 'linked_contacts_ids': None, 'linked_deals_ids': None}
         except ApiException as e:
             logger.error("Exception when calling Brevo->CompaniesApi->create_or_update_company (update): %s" % e)
     else:  # create
         try:
             api_response = api_instance.companies_post(siae_brevo_company_body)
-            logger.info("Success Brevo->CompaniesApi->create_or_update_company (create): %s" % api_response)
+            # logger.info("Success Brevo->CompaniesApi->create_or_update_company (create): %s" % api_response)
             print(api_response.id)
             # api_response: {'id': '<brevo_company_id>'}
             siae.set_brevo_id(api_response.id)