diff --git a/app/models/user.rb b/app/models/user.rb
index 9825515bb..14483334e 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -15,6 +15,10 @@ def gds_editor?
     permissions.include?("GDS Editor")
   end
 
+  def site_manager?
+    permissions.include?("Site Manager")
+  end
+
   def can_edit_sites
     @can_edit_sites ||= {}
   end
diff --git a/features/step_definitions/authentication_steps.rb b/features/step_definitions/authentication_steps.rb
index f4eac4ab4..26283338a 100644
--- a/features/step_definitions/authentication_steps.rb
+++ b/features/step_definitions/authentication_steps.rb
@@ -28,3 +28,7 @@
 Given(/^I have logged in as a member of another organisation$/) do
   GDS::SSO.test_user = create(:user, organisation_content_id: SecureRandom.uuid)
 end
+
+Given(/^I have logged in as a Site Manager$/) do
+  GDS::SSO.test_user = create(:site_manager)
+end
diff --git a/spec/factories/users.rb b/spec/factories/users.rb
index 2535e81e4..b83d59944 100644
--- a/spec/factories/users.rb
+++ b/spec/factories/users.rb
@@ -11,5 +11,9 @@
     factory :admin do
       permissions { ["signin", "GDS Editor", "admin"] }
     end
+
+    factory :site_manager do
+      permissions { ["signin", "Site Manager"] }
+    end
   end
 end