diff --git a/addons/purchase/models/purchase.py b/addons/purchase/models/purchase.py
index fc0bfea51b0..afd2ffe09c0 100644
--- a/addons/purchase/models/purchase.py
+++ b/addons/purchase/models/purchase.py
@@ -8,7 +8,7 @@ from odoo import api, fields, models, SUPERUSER_ID, _
 from odoo.osv import expression
 from odoo.tools import DEFAULT_SERVER_DATETIME_FORMAT
 from odoo.tools.float_utils import float_compare
-from odoo.exceptions import UserError, AccessError
+from odoo.exceptions import AccessError, UserError, ValidationError
 from odoo.tools.misc import formatLang
 
 
@@ -124,6 +124,14 @@ class PurchaseOrder(models.Model):
     company_id = fields.Many2one('res.company', 'Company', required=True, index=True, states=READONLY_STATES, default=lambda self: self.env.company.id)
     currency_rate = fields.Float("Currency Rate", compute='_compute_currency_rate', compute_sudo=True, store=True, readonly=True, help='Ratio between the purchase order currency and the company currency')
 
+    @api.constrains('company_id', 'order_line')
+    def _check_order_line_company_id(self):
+        for order in self:
+            companies = order.order_line.product_id.company_id
+            if companies and companies != order.company_id:
+                bad_products = order.order_line.product_id.filtered(lambda p: p.company_id and p.company_id != order.company_id)
+                raise ValidationError((_("Your quotation contains products from company %s whereas your quotation belongs to company %s. \n Please change the company of your quotation or remove the products from other companies (%s).") % (', '.join(companies.mapped('display_name')), order.company_id.display_name, ', '.join(bad_products.mapped('display_name')))))
+
     def _compute_access_url(self):
         super(PurchaseOrder, self)._compute_access_url()
         for order in self:
diff --git a/addons/purchase/views/purchase_views.xml b/addons/purchase/views/purchase_views.xml
index 27f53bc8f9d..eba32f0b995 100644
--- a/addons/purchase/views/purchase_views.xml
+++ b/addons/purchase/views/purchase_views.xml
@@ -204,7 +204,7 @@
                                             'required': [('display_type', '=', False)],
                                         }"
                                         context="{'partner_id':parent.partner_id, 'quantity':product_qty,'uom':product_uom, 'company_id': parent.company_id}"
-                                        force_save="1"/>
+                                        force_save="1" domain="[('purchase_ok', '=', True), '|', ('company_id', '=', False), ('company_id', '=', parent.company_id)]"/>
                                     <field name="name" widget="section_and_note_text"/>
                                     <field name="date_planned" optional="hide" attrs="{'required': [('display_type', '=', False)]}"/>
                                     <field name="company_id" groups="base.group_multi_company" options="{'no_create': True}"/>
@@ -232,9 +232,9 @@
                                             <group>
                                                 <field name="product_uom_category_id" invisible="1"/>
                                                 <field name="product_id"
-                                                    context="{'partner_id': parent.partner_id}"
-                                                    widget="many2one_barcode"
-                                                    attrs="{'required': [('display_type', '=', False)]}"
+                                                       context="{'partner_id': parent.partner_id}"
+                                                       widget="many2one_barcode"
+                                                       domain="[('purchase_ok', '=', True), '|', ('company_id', '=', False), ('company_id', '=', parent.company_id)]"
                                                 />
                                                 <label for="product_qty"/>
                                                 <div class="o_row">