diff --git a/addons/l10n_es_edi_sii/__manifest__.py b/addons/l10n_es_edi_sii/__manifest__.py
index b794c69c0e4..a101146bbe0 100644
--- a/addons/l10n_es_edi_sii/__manifest__.py
+++ b/addons/l10n_es_edi_sii/__manifest__.py
@@ -40,6 +40,7 @@
         'views/l10n_es_edi_certificate_views.xml',
         'views/res_config_settings_views.xml',
     ],
+    'demo': ['demo/demo_certificate.xml'],
     'external_dependencies': {
         'python': ['pyOpenSSL'],
     },
diff --git a/addons/l10n_es_edi_sii/demo/demo_certificate.xml b/addons/l10n_es_edi_sii/demo/demo_certificate.xml
new file mode 100644
index 00000000000..eee8296d757
--- /dev/null
+++ b/addons/l10n_es_edi_sii/demo/demo_certificate.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="demo_certificate" model="l10n_es_edi.certificate">
+        <field name="content" type="base64" file="l10n_es_edi_sii/demo/certificates/sello_entidad_act.p12"/>
+        <field name="password">IZDesa2021</field>
+        <field name="company_id" ref="l10n_es.demo_company_es"/>
+    </record>
+</odoo>