diff --git a/ee/app/models/gitlab_subscriptions/add_on_purchase.rb b/ee/app/models/gitlab_subscriptions/add_on_purchase.rb
index eefaa03323359c71e08bcb593b18611292331b14..dd7e4d44c2c78982e1f0068af7365ea725b8fc1c 100644
--- a/ee/app/models/gitlab_subscriptions/add_on_purchase.rb
+++ b/ee/app/models/gitlab_subscriptions/add_on_purchase.rb
@@ -105,6 +105,18 @@ class AddOnPurchase < ApplicationRecord
         .limit(limit)
     end
 
+    # Placeholder scope for Self-hosted DAP SKU
+    # Returns all active self-managed add-ons when feature flag is enabled
+    # TODO: Filter by actual Self-hosted DAP add-on when provisioned by Fulfillment
+    # Tracked in: https://gitlab.com/gitlab-org/gitlab/-/issues/582054
+    scope :for_self_hosted_dap, -> {
+      if Feature.enabled?(:self_hosted_dap_sku, :instance)
+        for_self_managed.active
+      else
+        none
+      end
+    }
+
     delegate :name, :seat_assignable?, to: :add_on, prefix: true
 
     # Finds all active add-on purchases that grant the given Unit Primitive ("entitlement")
diff --git a/ee/config/feature_flags/development/self_hosted_dap_sku.yml b/ee/config/feature_flags/development/self_hosted_dap_sku.yml
new file mode 100644
index 0000000000000000000000000000000000000000..62d8e818d1a1b83cd9a2726190ad24e84f2e3d87
--- /dev/null
+++ b/ee/config/feature_flags/development/self_hosted_dap_sku.yml
@@ -0,0 +1,9 @@
+---
+name: self_hosted_dap_sku
+feature_issue_url: https://gitlab.com/groups/gitlab-org/-/epics/20079
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/214790
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/work_items/582204
+milestone: '18.7'
+group: group::custom models
+type: development
+default_enabled: false
diff --git a/ee/spec/models/gitlab_subscriptions/add_on_purchase_spec.rb b/ee/spec/models/gitlab_subscriptions/add_on_purchase_spec.rb
index 6e777deadf0668b04a330903db977609813210d1..065839375ea14c84e220401db20bb19646b5c3c6 100644
--- a/ee/spec/models/gitlab_subscriptions/add_on_purchase_spec.rb
+++ b/ee/spec/models/gitlab_subscriptions/add_on_purchase_spec.rb
@@ -777,6 +777,34 @@
         expect(described_class.find_by_namespace_and_add_on(namespace, add_on_1)).to eq add_on_purchase_2
       end
     end
+
+    describe '.for_self_hosted_dap' do
+      subject(:scope) { described_class.for_self_hosted_dap }
+
+      context 'when self_hosted_dap_sku feature flag is disabled' do
+        before do
+          stub_feature_flags(self_hosted_dap_sku: false)
+        end
+
+        it 'returns none' do
+          expect(scope).to be_empty
+        end
+      end
+
+      context 'when self_hosted_dap_sku feature flag is enabled' do
+        before do
+          stub_feature_flags(self_hosted_dap_sku: true)
+        end
+
+        it 'returns active self-managed add-ons' do
+          active_sm_addon = create(:gitlab_subscription_add_on_purchase, :duo_enterprise, :active, :self_managed)
+          create(:gitlab_subscription_add_on_purchase, :duo_pro, :expired, :self_managed)
+          create(:gitlab_subscription_add_on_purchase, :duo_core, :active) # SaaS
+
+          expect(scope).to contain_exactly(active_sm_addon)
+        end
+      end
+    end
   end
 
   describe 'delegations' do