diff --git a/sale_customer_rank/__init__.py b/sale_customer_rank/__init__.py
new file mode 100644
index 00000000000..b689086b7e3
--- /dev/null
+++ b/sale_customer_rank/__init__.py
@@ -0,0 +1,11 @@
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+from . import models
+from odoo import api, SUPERUSER_ID
+
+
+def post_init_hook(cr, registry):
+    env = api.Environment(cr, SUPERUSER_ID, {})
+    partners = env["sale.order"].search([]).mapped("partner_id")
+    partners |= partners.mapped("commercial_partner_id")
+    partners._increase_rank("customer_rank")
diff --git a/sale_customer_rank/__manifest__.py b/sale_customer_rank/__manifest__.py
new file mode 100644
index 00000000000..21ed6952de6
--- /dev/null
+++ b/sale_customer_rank/__manifest__.py
@@ -0,0 +1,16 @@
+# Copyright 2021 ForgeFlow S.L.
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+{
+    "name": "Sale Customer Rank",
+    "summary": "Update Customer Rank when creating a Sale Order",
+    "version": "13.0.1.0.0",
+    "category": "Sales",
+    "website": "https://github.com/OCA/partner-contact",
+    "author": "ForgeFlow, Odoo Community Association (OCA)",
+    "license": "AGPL-3",
+    "installable": True,
+    "depends": ["sale"],
+    "data": [],
+    "post_init_hook": "post_init_hook",
+}
diff --git a/sale_customer_rank/models/__init__.py b/sale_customer_rank/models/__init__.py
new file mode 100644
index 00000000000..b1ad204bdec
--- /dev/null
+++ b/sale_customer_rank/models/__init__.py
@@ -0,0 +1,3 @@
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+from . import sale_order
diff --git a/sale_customer_rank/models/sale_order.py b/sale_customer_rank/models/sale_order.py
new file mode 100644
index 00000000000..7e9bf434a5f
--- /dev/null
+++ b/sale_customer_rank/models/sale_order.py
@@ -0,0 +1,16 @@
+# Copyright 2021 ForgeFlow, S.L.
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+from odoo import api, models
+
+
+class SaleOrder(models.Model):
+    _inherit = "sale.order"
+
+    @api.model
+    def create(self, vals):
+        res = super().create(vals)
+        if res:
+            partners = res.partner_id | res.partner_id.commercial_partner_id
+            partners._increase_rank("customer_rank")
+        return res
diff --git a/sale_customer_rank/readme/CONTRIBUTORS.rst b/sale_customer_rank/readme/CONTRIBUTORS.rst
new file mode 100644
index 00000000000..37c5e66cfdd
--- /dev/null
+++ b/sale_customer_rank/readme/CONTRIBUTORS.rst
@@ -0,0 +1 @@
+* Miquel Raïch <miquel.raich@forgeflow.com>
diff --git a/sale_customer_rank/readme/DESCRIPTION.rst b/sale_customer_rank/readme/DESCRIPTION.rst
new file mode 100644
index 00000000000..64958765f02
--- /dev/null
+++ b/sale_customer_rank/readme/DESCRIPTION.rst
@@ -0,0 +1 @@
+This module updates customer_rank for partners when creating sale orders.
diff --git a/sale_customer_rank/static/description/icon.png b/sale_customer_rank/static/description/icon.png
new file mode 100644
index 00000000000..3a0328b516c
Binary files /dev/null and b/sale_customer_rank/static/description/icon.png differ