diff --git a/app/email_domains.yml b/app/email_domains.yml
index 8beeae4db..ce085493a 100644
--- a/app/email_domains.yml
+++ b/app/email_domains.yml
@@ -45,3 +45,4 @@
 - socialworkengland.org.uk 
 - careinspectorate.com
 - unitypartnership.com 
+- nao.org.uk