diff --git a/addons/account/models/partner.py b/addons/account/models/partner.py
index bfd3dc7d589..08037dc6225 100644
--- a/addons/account/models/partner.py
+++ b/addons/account/models/partner.py
@@ -365,12 +365,7 @@ class ResPartner(models.Model):
     @api.multi
     def mark_as_reconciled(self):
         self.env['account.partial.reconcile'].check_access_rights('write')
-        if self.ids:
-            self.env.cr.execute(
-                'UPDATE res_partner SET last_time_entries_checked = %s WHERE id IN %s',
-                (time.strftime(DEFAULT_SERVER_DATETIME_FORMAT), tuple(self.ids),)
-            )
-        return True
+        return self.sudo().with_context(company_id=self.env.user.company_id.id).write({'last_time_entries_checked': time.strftime(DEFAULT_SERVER_DATETIME_FORMAT)})
 
     @api.one
     def _get_company_currency(self):
diff --git a/addons/base_vat/models/res_partner.py b/addons/base_vat/models/res_partner.py
index 9e6d86b3aaa..12129945b8c 100644
--- a/addons/base_vat/models/res_partner.py
+++ b/addons/base_vat/models/res_partner.py
@@ -98,7 +98,11 @@ class ResPartner(models.Model):
 
     @api.constrains("vat")
     def check_vat(self):
-        if self.env.user.company_id.vat_check_vies:
+        if self.env.context.get('company_id'):
+            company = self.env['res.company'].browse(self.env.context['company_id'])
+        else:
+            company = self.env.user.company_id
+        if company.vat_check_vies:
             # force full VIES online check
             check_func = self.vies_vat_check
         else:
@@ -126,7 +130,11 @@ class ResPartner(models.Model):
         vat_no = "'CC##' (CC=Country Code, ##=VAT Number)"
         if default_vat_check(vat_country, vat_number):
             vat_no = _ref_vat[vat_country] if vat_country in _ref_vat else vat_no
-            if self.env.user.company_id.vat_check_vies:
+            if self.env.context.get('company_id'):
+                company = self.env['res.company'].browse(self.env.context['company_id'])
+            else:
+                company = self.env.user.company_id
+            if company.vat_check_vies:
                 return '\n' + _('The VAT number [%s] for partner [%s] either failed the VIES VAT validation check or did not respect the expected format %s.') % (self.vat, self.name, vat_no)
         return '\n' + _('The VAT number [%s] for partner [%s] does not seem to be valid. \nNote: the expected format is %s') % (self.vat, self.name, vat_no)