diff --git a/__manifest__.py b/__manifest__.py
index 91f457d477cb39d960b84d27da5b85616dcddc87..49dc723ce2c3c5157775e34a81bf914b98332111 100644
--- a/__manifest__.py
+++ b/__manifest__.py
@@ -5,13 +5,14 @@
     "website": "https://le-filament.com",
     "version": "18.0.1.0.0",
     "license": "AGPL-3",
-    "depends": [],
+    "depends": ["contacts"],
     "data": [
         "security/company_share_security.xml",
         "security/ir.model.access.csv",
         # datas
         # views
         "views/company_share_line_views.xml",
+        "views/res_config_settings.xml",
         # views menu
         "views/menus.xml",
         # wizard
diff --git a/models/__init__.py b/models/__init__.py
index 6671fbb34f9d3810f6ca2338ae624afa37271d91..9e555f83942e4742aaf1edf674f6260940c53e9b 100644
--- a/models/__init__.py
+++ b/models/__init__.py
@@ -1,2 +1,4 @@
 from . import company_share_line
 from . import res_company
+from . import res_config_settings
+from . import res_partner
diff --git a/models/company_share_line.py b/models/company_share_line.py
index f1a8dc9fa0dd5b6890725cd2ff2d01616b9e79e9..9345947f32744335452dd550d06f70d41283a5ca 100644
--- a/models/company_share_line.py
+++ b/models/company_share_line.py
@@ -17,6 +17,7 @@ class CompanyShareLine(models.Model):
     share_unit_price = fields.Monetary(
         string="Share price",
         currency_field="company_currency_id",
+        default=lambda self: self.env.company.share_unit_price
     )
     share_action = fields.Selection(
         [("purchase", "Purchase"), ("refund", "Refund")],
diff --git a/models/res_company.py b/models/res_company.py
index 423ab2ea2f91b466eca5e768345b6b2638b0a94b..f635dbb0b7489ce971b33d9c9d382db6e6708619 100644
--- a/models/res_company.py
+++ b/models/res_company.py
@@ -15,6 +15,7 @@ class ResCompany(models.Model):
         comodel_name="company.share.line",
         inverse_name="company_id",
     )
+    share_unit_price = fields.Monetary("Valeur de la part")
 
     # ------------------------------------------------------
     # Constraints
diff --git a/models/res_config_settings.py b/models/res_config_settings.py
new file mode 100644
index 0000000000000000000000000000000000000000..d2fa6eef0384aefd98f8e895badcfedb43d4bd8c
--- /dev/null
+++ b/models/res_config_settings.py
@@ -0,0 +1,16 @@
+# © 2020 Le Filament (<http://www.le-filament.com>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo import fields, models
+
+
+class ResConfigSettings(models.TransientModel):
+    _inherit = "res.config.settings"
+
+    share_unit_price = fields.Monetary(
+        string="Valeur de la part",
+        related="company_id.share_unit_price",
+        currency_field='company_currency_id',
+        readonly=False,
+    )
+    company_currency_id = fields.Many2one(related="company_id.currency_id")
diff --git a/models/res_partner.py b/models/res_partner.py
new file mode 100644
index 0000000000000000000000000000000000000000..64111cc4a4e3a0b140368ab32b2724c5c9ff6c81
--- /dev/null
+++ b/models/res_partner.py
@@ -0,0 +1,49 @@
+# Copyright 2023- Le Filament (https://le-filament.com)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html)
+
+from odoo import _, api, fields, models
+from odoo.exceptions import ValidationError
+
+
+class ResPartner(models.Model):
+    _inherit = "res.partner"
+
+    # ------------------------------------------------------
+    # Fields declaration
+    # ------------------------------------------------------
+    company_share_line_ids = fields.One2many(
+        comodel_name="company.share.line",
+        inverse_name="partner_id",
+    )
+    company_share_total = fields.Float(compute="_compute_company_share_total")
+
+    # ------------------------------------------------------
+    # Constraints
+    # ------------------------------------------------------
+
+    # ------------------------------------------------------
+    # Default methods
+    # ------------------------------------------------------
+
+    # ------------------------------------------------------
+    # Computed fields / Search Fields
+    # ------------------------------------------------------
+    def _compute_company_share_total(self):
+        for partner in self:
+            partner.company_share_total = sum(partner.company_share_line_ids.mapped("share_total_amount"))
+
+    # ------------------------------------------------------
+    # Onchange / Constraints
+    # ------------------------------------------------------
+
+    # ------------------------------------------------------
+    # CRUD methods (ORM overrides)
+    # ------------------------------------------------------
+
+    # ------------------------------------------------------
+    # Actions
+    # ------------------------------------------------------
+
+    # ------------------------------------------------------
+    # Business methods
+    # ------------------------------------------------------
diff --git a/views/menus.xml b/views/menus.xml
index 34497bdd147b08c0c83099aedd285541753e7294..72578adbff8152c888745626fb5a723e6e5e0382 100644
--- a/views/menus.xml
+++ b/views/menus.xml
@@ -16,5 +16,13 @@
         action="company_share_line_action"
         sequence="10"
     />
+    <!-- Menu -->
+    <menuitem
+        id="menu_company_shares_config"
+        name="Paramètres"
+        parent="menu_company_shares_root"
+        action="action_company_shares_config"
+        sequence="100"
+    />
 
 </odoo>
diff --git a/views/res_config_settings.xml b/views/res_config_settings.xml
new file mode 100644
index 0000000000000000000000000000000000000000..b1e0a0aeb532161e24c92c51dd4bf33664f04c16
--- /dev/null
+++ b/views/res_config_settings.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<odoo>
+    <record id="res_config_settings_company_shares_view_form" model="ir.ui.view">
+        <field name="name">company.shares.res.config.settings.view.inherit</field>
+        <field name="model">res.config.settings</field>
+        <field name="priority" eval="80" />
+        <field name="inherit_id" ref="base.res_config_settings_view_form" />
+        <field name="arch" type="xml">
+            <xpath expr="//form" position="inside">
+                <app
+                    data-string="Company Shares"
+                    string="Company Shares"
+                    name="company_shares"
+                    groups="company_shares.group_company_share_admin"
+                >
+                    <div id="company_share">
+                        <block title="Configuration" name="company_share_config">
+                            <setting id="company_share_unit_price">
+                                <field name="share_unit_price" widget="monetary" />
+                            </setting>
+                        </block>
+                    </div>
+                </app>
+            </xpath>
+        </field>
+    </record>
+
+    <record id="action_company_shares_config" model="ir.actions.act_window">
+        <field name="name">Paramètres</field>
+        <field name="res_model">res.config.settings</field>
+        <field name="view_mode">form</field>
+        <field name="target">inline</field>
+        <field name="context">{'module' : 'company_shares', 'bin_size': False}</field>
+    </record>
+
+</odoo>