diff --git a/Tests/AnnotationService_test.py b/Tests/AnnotationService_test.py
index f19ac34c..b35229a2 100644
--- a/Tests/AnnotationService_test.py
+++ b/Tests/AnnotationService_test.py
@@ -3,8 +3,8 @@
 import string
 import unittest
 from pathlib import Path
-from uuid import uuid1
 
+from Tests.Utils import generate_test_uuid
 from TM1py.Objects import Annotation, Cube, Dimension, Element, Hierarchy
 from TM1py.Services import TM1Service
 
@@ -35,7 +35,7 @@ def setUp(self):
         Run before each test to create a cube with test annotations
         """
         # Build Dimensions
-        test_uuid = str(uuid1()).replace("-", "_")
+        test_uuid = generate_test_uuid()
         self.dimension_names = (
             "TM1py_tests_annotations_dimension1_" + test_uuid,
             "TM1py_tests_annotations_dimension2_" + test_uuid,
diff --git a/Tests/ElementService_test.py b/Tests/ElementService_test.py
index edba7071..9a86654d 100644
--- a/Tests/ElementService_test.py
+++ b/Tests/ElementService_test.py
@@ -2,11 +2,14 @@
 import copy
 import unittest
 from pathlib import Path
-from uuid import uuid1
 
 from mdxpy import MdxBuilder
 
-from Tests.Utils import skip_if_no_pandas, skip_if_version_lower_than
+from Tests.Utils import (
+    generate_test_uuid,
+    skip_if_no_pandas,
+    skip_if_version_lower_than,
+)
 from TM1py.Exceptions import TM1pyException, TM1pyRestException
 from TM1py.Objects import Dimension, Element, ElementAttribute, Hierarchy
 from TM1py.Services import TM1Service
@@ -27,7 +30,7 @@ def setUpClass(cls):
         cls.tm1 = TM1Service(**cls.config["tm1srv01"])
 
     def setUp(self):
-        dimension_uuid = str(uuid1()).replace("-", "_")
+        dimension_uuid = generate_test_uuid()
         prefix = "TM1py_unittest_element"
         pure_dimension_name = f"{prefix}_dimension_{dimension_uuid}"
 
diff --git a/Tests/SubsetService_test.py b/Tests/SubsetService_test.py
index 41f7884b..cfb70385 100644
--- a/Tests/SubsetService_test.py
+++ b/Tests/SubsetService_test.py
@@ -2,6 +2,7 @@
 import unittest
 from pathlib import Path
 
+from Tests.Utils import generate_test_uuid
 from TM1py.Objects import Dimension, Element, ElementAttribute, Hierarchy, Subset
 from TM1py.Services import TM1Service
 
@@ -9,14 +10,6 @@
 class TestSubsetService(unittest.TestCase):
     tm1: TM1Service
 
-    prefix = "TM1py_Tests_Subset_"
-    dimension_name = prefix + "Dimension"
-    subset_name_static = prefix + "static"
-    subset_name_dynamic = prefix + "dynamic"
-    unfriendly_dimension_name = prefix + "Dimension#%AD"
-    unfriendly_subset_name = prefix + "Subset#%AD"
-    unfriendly_element_name = prefix + "Element#%AD"
-
     @classmethod
     def setUpClass(cls):
         """
@@ -29,6 +22,14 @@ def setUpClass(cls):
         cls.tm1 = TM1Service(**cls.config["tm1srv01"])
 
         # Define Names
+        test_uuid = generate_test_uuid()
+        cls.prefix = "TM1py_Tests_Subset_"
+        cls.dimension_name = cls.prefix + "Dimension_" + test_uuid
+        cls.subset_name_static = cls.prefix + "static_" + test_uuid
+        cls.subset_name_dynamic = cls.prefix + "dynamic_" + test_uuid
+        cls.unfriendly_dimension_name = cls.prefix + "Dimension#%AD_" + test_uuid
+        cls.unfriendly_subset_name = cls.prefix + "Subset#%AD_" + test_uuid
+        cls.unfriendly_element_name = cls.prefix + "Element#%AD_" + test_uuid
 
     def setUp(self):
         # Instantiate Subsets
diff --git a/Tests/Utils.py b/Tests/Utils.py
index 549f60f9..1d344d7e 100644
--- a/Tests/Utils.py
+++ b/Tests/Utils.py
@@ -1,9 +1,24 @@
 import functools
+from uuid import uuid1
 
 from TM1py.Services.RestService import AuthenticationMode
 from TM1py.Utils.Utils import verify_version
 
 
+def generate_test_uuid() -> str:
+    """
+    Generate a unique identifier for test objects.
+
+    Creates a UUID-based string suitable for appending to TM1 object names
+    to ensure test isolation and uniqueness.
+
+    :return: A unique identifier with hyphens replaced by underscores.
+    :rtype: str
+    """
+    test_uuid = str(uuid1()).replace("-", "_")
+    return test_uuid
+
+
 def skip_if_no_pandas(func):
     """
     Checks whether pandas is installed and skips the test if not