diff --git a/app/models/organisation.rb b/app/models/organisation.rb
index bd57838b8..e86be1e9f 100644
--- a/app/models/organisation.rb
+++ b/app/models/organisation.rb
@@ -13,15 +13,11 @@ class Organisation < ApplicationRecord
   has_many :child_organisation_relationships, foreign_key: :parent_organisation_id, class_name: "OrganisationRelationship"
   has_many :child_organisations, through: :child_organisation_relationships
 
-  has_many :managing_agents,
-           -> { joins(:parent_organisation_relationships).where({ parent_organisation_relationships: { relationship_type: OrganisationRelationship::MANAGING } }) },
-           class_name: "Organisation",
-           through: :parent_organisation_relationships,
-           source: :child_organisation
+  has_many :managing_agent_relationships, -> { where(relationship_type: OrganisationRelationship::MANAGING) }, foreign_key: :child_organisation_id, class_name: "OrganisationRelationship"
+  has_many :managing_agents, through: :managing_agent_relationships, source: :parent_organisation
 
   scope :search_by_name, ->(name) { where("name ILIKE ?", "%#{name}%") }
   scope :search_by, ->(param) { search_by_name(param) }
-
   has_paper_trail
 
   auto_strip_attributes :name
diff --git a/spec/factories/organisation.rb b/spec/factories/organisation.rb
index 8b02f030a..fa40663ac 100644
--- a/spec/factories/organisation.rb
+++ b/spec/factories/organisation.rb
@@ -17,9 +17,4 @@ FactoryBot.define do
     created_at { Time.zone.now }
     updated_at { Time.zone.now }
   end
-
-  factory :organisation_relationship do
-    child_organisation { FactoryBot.create(:organisation) }
-    parent_organisation { FactoryBot.create(:organisation) }
-  end
 end
diff --git a/spec/factories/organisation_relationship.rb b/spec/factories/organisation_relationship.rb
new file mode 100644
index 000000000..418599902
--- /dev/null
+++ b/spec/factories/organisation_relationship.rb
@@ -0,0 +1,14 @@
+FactoryBot.define do
+  factory :organisation_relationship do
+    child_organisation { FactoryBot.create(:organisation) }
+    parent_organisation { FactoryBot.create(:organisation) }
+
+    trait :owning do
+      relationship_type { OrganisationRelationship::OWNING }
+    end
+
+    trait :managing do
+      relationship_type { OrganisationRelationship::MANAGING }
+    end
+  end
+end
diff --git a/spec/models/organisation_spec.rb b/spec/models/organisation_spec.rb
index e2336bd0c..1d9e557ec 100644
--- a/spec/models/organisation_spec.rb
+++ b/spec/models/organisation_spec.rb
@@ -27,39 +27,67 @@ RSpec.describe Organisation, type: :model do
         .to raise_error(ActiveRecord::RecordInvalid, "Validation failed: Provider type #{I18n.t('validations.organisation.provider_type_missing')}")
     end
 
-    context "with managing association" do
-      let(:child_organisation) { FactoryBot.create(:organisation, name: "DLUHC Child") }
+    context "with parent/child associations", :aggregate_failures do
+      let!(:child_organisation) { FactoryBot.create(:organisation, name: "DLUHC Child") }
+      let!(:grandchild_organisation) { FactoryBot.create(:organisation, name: "DLUHC Grandchild") }
 
       before do
-        FactoryBot.create(:organisation_relationship, child_organisation:, parent_organisation: organisation, relationship_type: 0)
-      end
+        FactoryBot.create(
+          :organisation_relationship,
+          :managing,
+          child_organisation:,
+          parent_organisation: organisation,
+        )
 
-      it "has correct child" do
-        expect(organisation.child_organisations.first).to eq(child_organisation)
+        FactoryBot.create(
+          :organisation_relationship,
+          :managing,
+          child_organisation: grandchild_organisation,
+          parent_organisation: child_organisation,
+        )
       end
 
-      it "has correct parent" do
-        expect(child_organisation.parent_organisations.first).to eq(organisation)
+      it "has correct child_organisations" do
+        expect(organisation.child_organisations).to eq([child_organisation])
+        expect(child_organisation.child_organisations).to eq([grandchild_organisation])
       end
 
-      it "has correct managing agents" do
-        expect(child_organisation.managing_agents).to eq([organisation])
+      it "has correct parent_organisations" do
+        expect(child_organisation.parent_organisations).to eq([organisation])
+        expect(grandchild_organisation.parent_organisations).to eq([child_organisation])
       end
     end
 
-    context "with owning association" do
-      let(:child_organisation) { FactoryBot.create(:organisation, name: "DLUHC Child") }
+    context "with managing association", :aggregate_failures do
+      let!(:child_organisation) { FactoryBot.create(:organisation, name: "DLUHC Child") }
+      let!(:grandchild_organisation) { FactoryBot.create(:organisation, name: "DLUHC Grandchild") }
 
       before do
-        FactoryBot.create(:organisation_relationship, child_organisation:, parent_organisation: organisation, relationship_type: 1)
-      end
+        FactoryBot.create(
+          :organisation_relationship,
+          :managing,
+          child_organisation:,
+          parent_organisation: organisation,
+        )
+
+        FactoryBot.create(
+          :organisation_relationship,
+          :owning,
+          child_organisation:,
+          parent_organisation: organisation,
+        )
 
-      it "has correct child" do
-        expect(organisation.child_organisations.first).to eq(child_organisation)
+        FactoryBot.create(
+          :organisation_relationship,
+          :managing,
+          child_organisation: grandchild_organisation,
+          parent_organisation: child_organisation,
+        )
       end
 
-      it "has correct parent" do
-        expect(child_organisation.parent_organisations.first).to eq(organisation)
+      it "has correct managing_agents" do
+        expect(child_organisation.managing_agents).to eq([organisation])
+        expect(grandchild_organisation.managing_agents).to eq([child_organisation])
       end
     end