diff --git a/ocs_ci/ocs/resources/namespacestore.py b/ocs_ci/ocs/resources/namespacestore.py
index c804f33f157..0703e3e7c89 100644
--- a/ocs_ci/ocs/resources/namespacestore.py
+++ b/ocs_ci/ocs/resources/namespacestore.py
@@ -337,6 +337,18 @@ def oc_create_namespacestore(
                 "subPath": nss_tup[2] if nss_tup[2] else "",
             },
         },
+        constants.IBM_COS_PLATFORM: lambda: {
+            "type": "ibm-cos",
+            "ibmCos": {
+                "targetBucket": uls_name,
+                "signatureVersion": "v2",
+                "endpoint": get_attr_chain(cld_mgr, "ibmcos_client.endpoint"),
+                "secret": {
+                    "name": get_attr_chain(cld_mgr, "ibmcos_client.secret.name"),
+                    "namespace": nss_data["metadata"]["namespace"],
+                },
+            },
+        },
     }
 
     if (
diff --git a/tests/functional/object/mcg/test_namespace_crd.py b/tests/functional/object/mcg/test_namespace_crd.py
index 7ab5539de3d..9e4e03d1115 100644
--- a/tests/functional/object/mcg/test_namespace_crd.py
+++ b/tests/functional/object/mcg/test_namespace_crd.py
@@ -3,6 +3,7 @@
 These tests are valid only for OCS version 4.7 and above because in later
 versions are for Namespace bucket creation used CRDs instead of NooBaa RPC calls.
 """
+
 import logging
 from time import sleep
 import uuid
@@ -129,6 +130,19 @@ def test_namespace_store_creation_crd(self, namespace_store_factory, nss_tup):
                     pytest.mark.polarion_id("OCS-2407"),
                 ],
             ),
+            pytest.param(
+                {
+                    "interface": "OC",
+                    "namespace_policy_dict": {
+                        "type": "Single",
+                        "namespacestore_dict": {"ibmcos": [(1, None)]},
+                    },
+                },
+                marks=[
+                    tier1,
+                    pytest.mark.polarion_id("OCS-5442"),
+                ],
+            ),
             pytest.param(
                 {
                     "interface": "OC",
@@ -187,6 +201,7 @@ def test_namespace_store_creation_crd(self, namespace_store_factory, nss_tup):
             "AWS-OC-Single",
             "Azure-OC-Single",
             "RGW-OC-Single",
+            "IBM-OC-Single",
             "AWS+Azure-OC-Multi",
             "AWS+AWS-OC-Multi",
             "AZURE+AZURE-OC-Multi",