diff --git a/db/migrate/20230925093142_strip_whitespace_from_batch_invitation_user_email.rb b/db/migrate/20230925093142_strip_whitespace_from_batch_invitation_user_email.rb
new file mode 100644
index 000000000..7cd445533
--- /dev/null
+++ b/db/migrate/20230925093142_strip_whitespace_from_batch_invitation_user_email.rb
@@ -0,0 +1,7 @@
+class StripWhitespaceFromBatchInvitationUserEmail < ActiveRecord::Migration[7.0]
+  def change
+    BatchInvitationUser.where("email REGEXP ? OR email REGEXP ?", "^\\s+", "\\s+$").each do |biu|
+      biu.update_attribute(:email, biu.email&.strip) # rubocop:disable Rails/SkipsModelValidations
+    end
+  end
+end
diff --git a/db/migrate/20230925093143_strip_whitespace_from_batch_invitation_user_organisation_slug.rb b/db/migrate/20230925093143_strip_whitespace_from_batch_invitation_user_organisation_slug.rb
new file mode 100644
index 000000000..1f5502f83
--- /dev/null
+++ b/db/migrate/20230925093143_strip_whitespace_from_batch_invitation_user_organisation_slug.rb
@@ -0,0 +1,7 @@
+class StripWhitespaceFromBatchInvitationUserOrganisationSlug < ActiveRecord::Migration[7.0]
+  def change
+    BatchInvitationUser.where("organisation_slug REGEXP ? OR organisation_slug REGEXP ?", "^\\s+", "\\s+$").each do |biu|
+      biu.update_attribute(:organisation_slug, biu.organisation_slug&.strip) # rubocop:disable Rails/SkipsModelValidations
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index a1db393a8..02c7771e4 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_09_18_141453) do
+ActiveRecord::Schema[7.0].define(version: 2023_09_25_093143) do
   create_table "batch_invitation_application_permissions", id: :integer, charset: "utf8mb3", force: :cascade do |t|
     t.integer "batch_invitation_id", null: false
     t.integer "supported_permission_id", null: false