diff --git a/app/models.py b/app/models.py
index 320aa33de..93401de98 100644
--- a/app/models.py
+++ b/app/models.py
@@ -61,6 +61,8 @@ DELIVERY_STATUS_CALLBACK_TYPE = 'delivery_status'
 COMPLAINT_CALLBACK_TYPE = 'complaint'
 SERVICE_CALLBACK_TYPES = [DELIVERY_STATUS_CALLBACK_TYPE, COMPLAINT_CALLBACK_TYPE]
 
+ORGANISATION_TYPES = ['central', 'local', 'nhs']
+
 
 def filter_null_value_fields(obj):
     return dict(
diff --git a/app/organisation/organisation_schema.py b/app/organisation/organisation_schema.py
index 4b560fecc..44018385e 100644
--- a/app/organisation/organisation_schema.py
+++ b/app/organisation/organisation_schema.py
@@ -1,4 +1,4 @@
-from app.models import INVITED_USER_STATUS_TYPES
+from app.models import INVITED_USER_STATUS_TYPES, ORGANISATION_TYPES
 from app.schema_validation.definitions import uuid
 
 post_create_organisation_schema = {
@@ -7,9 +7,11 @@ post_create_organisation_schema = {
     "type": "object",
     "properties": {
         "name": {"type": "string"},
-        "active": {"type": ["boolean", "null"]}
+        "active": {"type": ["boolean", "null"]},
+        "crown": {"type": "boolean"},
+        "organisation_type": {"enum": ORGANISATION_TYPES},
     },
-    "required": ["name"]
+    "required": ["name", "crown", "organisation_type"]
 }
 
 post_update_organisation_schema = {
@@ -18,7 +20,9 @@ post_update_organisation_schema = {
     "type": "object",
     "properties": {
         "name": {"type": ["string", "null"]},
-        "active": {"type": ["boolean", "null"]}
+        "active": {"type": ["boolean", "null"]},
+        "crown": {"type": ["boolean", "null"]},
+        "organisation_type": {"enum": ORGANISATION_TYPES},
     },
     "required": []
 }
diff --git a/tests/app/organisation/test_rest.py b/tests/app/organisation/test_rest.py
index d99670d7a..1c9e156d3 100644
--- a/tests/app/organisation/test_rest.py
+++ b/tests/app/organisation/test_rest.py
@@ -133,7 +133,9 @@ def test_get_organisation_by_domain(
 def test_post_create_organisation(admin_request, notify_db_session):
     data = {
         'name': 'test organisation',
-        'active': True
+        'active': True,
+        'crown': False,
+        'organisation_type': 'local',
     }
 
     response = admin_request.post(
@@ -146,13 +148,18 @@ def test_post_create_organisation(admin_request, notify_db_session):
 
     assert data['name'] == response['name']
     assert data['active'] == response['active']
+    assert data['crown'] == response['crown']
+    assert data['organisation_type'] == response['organisation_type']
+
     assert len(organisation) == 1
 
 
 def test_post_create_organisation_existing_name_raises_400(admin_request, sample_organisation):
     data = {
         'name': sample_organisation.name,
-        'active': True
+        'active': True,
+        'crown': True,
+        'organisation_type': 'central',
     }
 
     response = admin_request.post(
@@ -167,11 +174,41 @@ def test_post_create_organisation_existing_name_raises_400(admin_request, sample
     assert response['message'] == 'Organisation name already exists'
 
 
-def test_post_create_organisation_with_missing_name_gives_validation_error(admin_request, notify_db_session):
-    data = {
-        'active': False
-    }
-
+@pytest.mark.parametrize('data, expected_error', (
+    ({
+        'active': False,
+        'crown': True,
+        'organisation_type': 'central',
+    }, 'name is a required property'),
+    ({
+        'active': False,
+        'name': 'Service name',
+        'organisation_type': 'central',
+    }, 'crown is a required property'),
+    ({
+        'active': False,
+        'name': 'Service name',
+        'crown': True,
+    }, 'organisation_type is a required property'),
+    ({
+        'active': False,
+        'name': 'Service name',
+        'crown': None,
+        'organisation_type': 'central',
+    }, 'crown None is not of type boolean'),
+    ({
+        'active': False,
+        'name': 'Service name',
+        'crown': False,
+        'organisation_type': 'foo',
+    }, 'organisation_type foo is not one of [central, local, nhs]'),
+))
+def test_post_create_organisation_with_missing_name_gives_validation_error(
+    admin_request,
+    notify_db_session,
+    data,
+    expected_error,
+):
     response = admin_request.post(
         'organisation.create_organisation',
         _data=data,
@@ -180,7 +217,7 @@ def test_post_create_organisation_with_missing_name_gives_validation_error(admin
 
     assert len(response['errors']) == 1
     assert response['errors'][0]['error'] == 'ValidationError'
-    assert response['errors'][0]['message'] == 'name is a required property'
+    assert response['errors'][0]['message'] == expected_error
 
 
 @pytest.mark.parametrize('agreement_signed', (
@@ -203,6 +240,7 @@ def test_post_update_organisation_updates_fields(
         'crown': crown,
         'agreement_signed_on_behalf_of_name': 'Firstname Lastname',
         'agreement_signed_on_behalf_of_email_address': 'test@example.com',
+        'organisation_type': 'central',
     }
     assert org.agreement_signed is None
     assert org.crown is None
@@ -225,6 +263,7 @@ def test_post_update_organisation_updates_fields(
     assert organisation[0].domains == []
     assert organisation[0].agreement_signed_on_behalf_of_name == 'Firstname Lastname'
     assert organisation[0].agreement_signed_on_behalf_of_email_address == 'test@example.com'
+    assert organisation[0].organisation_type == 'central'
 
 
 @pytest.mark.parametrize('domain_list', (