diff --git a/packages/catalog-model/examples/domains/artists-domain.yaml b/packages/catalog-model/examples/domains/artists-domain.yaml
index 598f8500aa..02370d9a14 100644
--- a/packages/catalog-model/examples/domains/artists-domain.yaml
+++ b/packages/catalog-model/examples/domains/artists-domain.yaml
@@ -13,3 +13,4 @@ metadata:
 spec:
   owner: team-a
   subdomainOf: audio
+  type: product-group
diff --git a/packages/catalog-model/examples/domains/playback-domain.yaml b/packages/catalog-model/examples/domains/playback-domain.yaml
index 58b5afe56e..e058ebf0a2 100644
--- a/packages/catalog-model/examples/domains/playback-domain.yaml
+++ b/packages/catalog-model/examples/domains/playback-domain.yaml
@@ -6,3 +6,4 @@ metadata:
 spec:
   owner: user:frank.tiernan
   subdomainOf: audio
+  type: product-group
diff --git a/packages/catalog-model/src/kinds/DomainEntityV1alpha1.test.ts b/packages/catalog-model/src/kinds/DomainEntityV1alpha1.test.ts
index 3c1e7f0a6d..181a696192 100644
--- a/packages/catalog-model/src/kinds/DomainEntityV1alpha1.test.ts
+++ b/packages/catalog-model/src/kinds/DomainEntityV1alpha1.test.ts
@@ -32,6 +32,7 @@ describe('DomainV1alpha1Validator', () => {
       spec: {
         owner: 'me',
         subdomainOf: 'parent-domain',
+        type: 'domain-type',
       },
     };
   });
@@ -84,4 +85,14 @@ describe('DomainV1alpha1Validator', () => {
     (entity as any).spec.subdomainOf = '';
     await expect(validator.check(entity)).rejects.toThrow(/subdomainOf/);
   });
+
+  it('accepts missing type', async () => {
+    delete (entity as any).spec.type;
+    await expect(validator.check(entity)).resolves.toBe(true);
+  });
+
+  it('rejects empty type', async () => {
+    (entity as any).spec.type = '';
+    await expect(validator.check(entity)).rejects.toThrow(/type/);
+  });
 });
diff --git a/packages/catalog-model/src/kinds/DomainEntityV1alpha1.ts b/packages/catalog-model/src/kinds/DomainEntityV1alpha1.ts
index 1fe3dfb522..765329abb4 100644
--- a/packages/catalog-model/src/kinds/DomainEntityV1alpha1.ts
+++ b/packages/catalog-model/src/kinds/DomainEntityV1alpha1.ts
@@ -33,6 +33,7 @@ export interface DomainEntityV1alpha1 extends Entity {
   spec: {
     owner: string;
     subdomainOf?: string;
+    type?: string;
   };
 }
 
diff --git a/packages/catalog-model/src/schema/kinds/Domain.v1alpha1.schema.json b/packages/catalog-model/src/schema/kinds/Domain.v1alpha1.schema.json
index 7d0d7e25ff..e4a6c29dd1 100644
--- a/packages/catalog-model/src/schema/kinds/Domain.v1alpha1.schema.json
+++ b/packages/catalog-model/src/schema/kinds/Domain.v1alpha1.schema.json
@@ -12,7 +12,8 @@
       },
       "spec": {
         "owner": "artist-relations-team",
-        "subdomainOf": "audio"
+        "subdomainOf": "audio",
+        "type": "product-group"
       }
     }
   ],
@@ -45,6 +46,12 @@
               "description": "An entity reference to another domain of which the domain is a part.",
               "examples": ["audio"],
               "minLength": 1
+            },
+            "type": {
+              "type": "string",
+              "description": "The type of domain. There is currently no enforced set of values for this field, so it is left up to the adopting organization to choose a nomenclature that matches their catalog hierarchy.",
+              "examples": ["product-group", "bundle"],
+              "minLength": 1
             }
           }
         }