diff -r 3af0565f0bad cron.py
--- a/trytond/trytond/modules/company/cron.py	Wed Dec 23 00:13:47 2015 +0100
+++ b/trytond/trytond/modules/company/cron.py	Tue May 17 16:18:02 2016 +0200
@@ -15,6 +15,22 @@
             'Companies', help='Companies registered for this cron')
 
     @classmethod
+    def __setup__(cls):
+        super(Cron, cls).__setup__()
+        cls._error_messages.update({
+                'company': 'Company: %s\n',
+                })
+
+    @classmethod
+    def create_body_message(cls, cron):
+        Company = Pool().get('company.company')
+        company = Company(Transaction().context.get('company'))
+        msg =  cls.raise_user_error('company', (company.party.name,),
+            raise_exception=False)
+        msg += super(Cron, cls).create_body_message(cron)
+        return msg
+
+    @classmethod
     def _callback(cls, cron):
         User = Pool().get('res.user')
         if not cron.companies: