diff --git a/app/helpers/filters_helper.rb b/app/helpers/filters_helper.rb
index 179cd47cf..59b407527 100644
--- a/app/helpers/filters_helper.rb
+++ b/app/helpers/filters_helper.rb
@@ -251,21 +251,29 @@ private
     return "All" if session_filters["assigned_to"].include?("all")
     return "You" if session_filters["assigned_to"].include?("you")
 
-    user = User.find(session_filters["user"])
-    "#{user.name} (#{user.email})"
+    selected_user_option = assigned_to_filter_options(current_user).find { |x| x.id == session_filters["user"].to_i }
+    return unless selected_user_option
+
+    "#{selected_user_option.name} (#{selected_user_option.hint})"
   end
 
   def formatted_owned_by_filter(session_filters)
     return "All" if params["id"].blank? && (session_filters["owning_organisation"].blank? || session_filters["owning_organisation"]&.include?("all"))
 
-    session_org_id = session_filters["owning_organisation"]
-    Organisation.find(session_org_id || params["id"])&.name
+    session_org_id = session_filters["owning_organisation"] || params["id"]
+    selected_owning_organisation_option = owning_organisation_filter_options(current_user).find { |org| org.id == session_org_id.to_i }
+    return unless selected_owning_organisation_option
+
+    selected_owning_organisation_option&.name
   end
 
   def formatted_managed_by_filter(session_filters)
     return "All" if session_filters["managing_organisation"].blank? || session_filters["managing_organisation"].include?("all")
 
-    Organisation.find(session_filters["managing_organisation"])&.name
+    selected_managing_organisation_option = managing_organisation_filter_options(current_user).find { |org| org.id == session_filters["managing_organisation"].to_i }
+    return unless selected_managing_organisation_option
+
+    selected_managing_organisation_option&.name
   end
 
   def unanswered_filter_value
diff --git a/spec/requests/lettings_logs_controller_spec.rb b/spec/requests/lettings_logs_controller_spec.rb
index e1a4aad96..20aa085f3 100644
--- a/spec/requests/lettings_logs_controller_spec.rb
+++ b/spec/requests/lettings_logs_controller_spec.rb
@@ -1441,6 +1441,33 @@ RSpec.describe LettingsLogsController, type: :request do
 
           expect(page).to have_content("Obviously not usual name")
         end
+
+        it "does not display assigned to user from other org" do
+          user_from_different_org = create(:user, name: "User from different org")
+          get("/lettings-logs/csv-download?years[]=#{lettings_log.form.start_date.year}&search=#{search_term}&codes_only=false&assigned_to=specific_user&user=#{user_from_different_org.id}", headers:)
+
+          expect(page).not_to have_content("User from different org")
+        end
+
+        it "does not display non related managing orgs" do
+          managing_agent = create(:organisation, name: "Managing agent")
+          create(:organisation_relationship, child_organisation: managing_agent, parent_organisation: user.organisation)
+          unrelated_organisation = create(:organisation, name: "Unrelated managing org")
+
+          get("/lettings-logs/csv-download?years[]=#{lettings_log.form.start_date.year}&search=#{search_term}&codes_only=false&managing_organisation_select=specific_org&managing_organisation=#{unrelated_organisation.id}", headers:)
+
+          expect(page).not_to have_content("Unrelated managing org")
+        end
+
+        it "does not display non related owning orgs" do
+          managing_agent = create(:organisation, name: "Managing agent")
+          create(:organisation_relationship, child_organisation: managing_agent, parent_organisation: user.organisation)
+
+          unrelated_organisation = create(:organisation, name: "Unrelated owning org")
+          get("/lettings-logs/csv-download?years[]=#{lettings_log.form.start_date.year}&search=#{search_term}&codes_only=false&owning_organisation_select=specific_org&&owning_organisation=#{unrelated_organisation.id}", headers:)
+
+          expect(page).not_to have_content("Unrelated owning org")
+        end
       end
 
       context "when there are no years selected in the filters" do