diff --git a/loopback/locale/es.json b/loopback/locale/es.json
index cde81e0cb..3183a9697 100644
--- a/loopback/locale/es.json
+++ b/loopback/locale/es.json
@@ -398,5 +398,6 @@
 	"Holidays to past days not available": "Las vacaciones a días pasados no están disponibles",
 	"All tickets have a route order": "Todos los tickets tienen orden de ruta",
 	"Price cannot be blank": "Price cannot be blank",
-    "There are tickets to be invoiced": "La zona tiene tickets por facturar"
-}
+	"There are tickets to be invoiced": "La zona tiene tickets por facturar",
+	"Social name should be uppercase": "La razón social debe ir en mayúscula"
+}
\ No newline at end of file
diff --git a/modules/supplier/back/methods/supplier/newSupplier.js b/modules/supplier/back/methods/supplier/newSupplier.js
index 3cca4195f..eb941ed69 100644
--- a/modules/supplier/back/methods/supplier/newSupplier.js
+++ b/modules/supplier/back/methods/supplier/newSupplier.js
@@ -28,6 +28,7 @@ module.exports = Self => {
 
         delete args.ctx;
         if (!args.name) throw new UserError('The social name cannot be empty');
+        if (args.name !== args.name.toUpperCase()) throw new UserError('Social name should be uppercase');
         const data = {...args, ...{nickname: args.name}};
         const supplier = await models.Supplier.create(data, myOptions);