diff --git a/app/controllers/organisation_relationships_controller.rb b/app/controllers/organisation_relationships_controller.rb
index 0e3d230ef..18dd7fc4f 100644
--- a/app/controllers/organisation_relationships_controller.rb
+++ b/app/controllers/organisation_relationships_controller.rb
@@ -14,7 +14,7 @@ class OrganisationRelationshipsController < ApplicationController
   ]
 
   def stock_owners
-    stock_owners = organisation.stock_owners.filter_by_active
+    stock_owners = organisation.stock_owners.filter_by_active.order("LOWER(name)")
     unpaginated_filtered_stock_owners = filtered_collection(stock_owners, search_term)
 
     @pagy, @stock_owners = pagy(unpaginated_filtered_stock_owners)
@@ -23,7 +23,7 @@ class OrganisationRelationshipsController < ApplicationController
   end
 
   def managing_agents
-    managing_agents = organisation.managing_agents.filter_by_active
+    managing_agents = organisation.managing_agents.filter_by_active.order("LOWER(name)")
     unpaginated_filtered_managing_agents = filtered_collection(managing_agents, search_term)
 
     @pagy, @managing_agents = pagy(unpaginated_filtered_managing_agents)
diff --git a/spec/features/organisation_relationships.html.erb_spec.rb b/spec/features/organisation_relationships.html.erb_spec.rb
new file mode 100644
index 000000000..3e980ed8a
--- /dev/null
+++ b/spec/features/organisation_relationships.html.erb_spec.rb
@@ -0,0 +1,37 @@
+require "rails_helper"
+
+RSpec.describe "OrganisationRelationships", type: :feature do
+  context "when viewing the stock owners page" do
+    let(:user) { create(:user) }
+
+    before do
+      sign_in user
+      create(:organisation_relationship, parent_organisation: create(:organisation, name: "Zeta"), child_organisation: user.organisation)
+      create(:organisation_relationship, parent_organisation: create(:organisation, name: "Alpha"), child_organisation: user.organisation)
+      create(:organisation_relationship, parent_organisation: create(:organisation, name: "Gamma"), child_organisation: user.organisation)
+      create(:organisation_relationship, parent_organisation: create(:organisation, name: "ABACUS"), child_organisation: user.organisation)
+      visit("organisations/#{user.organisation.id}/stock-owners")
+    end
+
+    it "displays stock owners in alphabetical order" do
+      expect(page).to have_content(/ABACUS.*Alpha.*Gamma.*Zeta/m)
+    end
+  end
+
+  context "when viewing the managing agents page" do
+    let(:user) { create(:user) }
+
+    before do
+      sign_in user
+      create(:organisation_relationship, parent_organisation: user.organisation, child_organisation: create(:organisation, name: "Zeta"))
+      create(:organisation_relationship, parent_organisation: user.organisation, child_organisation: create(:organisation, name: "Alpha"))
+      create(:organisation_relationship, parent_organisation: user.organisation, child_organisation: create(:organisation, name: "Gamma"))
+      create(:organisation_relationship, parent_organisation: user.organisation, child_organisation: create(:organisation, name: "ABACUS"))
+      visit("organisations/#{user.organisation.id}/managing-agents")
+    end
+
+    it "displays stock owners in alphabetical order" do
+      expect(page).to have_content(/ABACUS.*Alpha.*Gamma.*Zeta/m)
+    end
+  end
+end