diff --git a/swh/storage/__init__.py b/swh/storage/__init__.py
--- a/swh/storage/__init__.py
+++ b/swh/storage/__init__.py
@@ -15,12 +15,13 @@
     "local": ".postgresql.storage.Storage",
     "remote": ".api.client.RemoteStorage",
     "memory": ".in_memory.InMemoryStorage",
-    "filter": ".filter.FilteringProxyStorage",
-    "buffer": ".buffer.BufferingProxyStorage",
-    "retry": ".retry.RetryingProxyStorage",
     "cassandra": ".cassandra.CassandraStorage",
-    "validate": ".validate.ValidatingProxyStorage",
-    "tenacious": ".tenacious.TenaciousProxyStorage",
+    # proxy storages
+    "filter": ".proxies.filter.FilteringProxyStorage",
+    "buffer": ".proxies.buffer.BufferingProxyStorage",
+    "retry": ".proxies.retry.RetryingProxyStorage",
+    "validate": ".proxies.validate.ValidatingProxyStorage",
+    "tenacious": ".proxies.tenacious.TenaciousProxyStorage",
 }
 
 
diff --git a/swh/storage/buffer.py b/swh/storage/proxies/buffer.py
rename from swh/storage/buffer.py
rename to swh/storage/proxies/buffer.py
diff --git a/swh/storage/filter.py b/swh/storage/proxies/filter.py
rename from swh/storage/filter.py
rename to swh/storage/proxies/filter.py
diff --git a/swh/storage/retry.py b/swh/storage/proxies/retry.py
rename from swh/storage/retry.py
rename to swh/storage/proxies/retry.py
diff --git a/swh/storage/tenacious.py b/swh/storage/proxies/tenacious.py
rename from swh/storage/tenacious.py
rename to swh/storage/proxies/tenacious.py
diff --git a/swh/storage/validate.py b/swh/storage/proxies/validate.py
rename from swh/storage/validate.py
rename to swh/storage/proxies/validate.py
diff --git a/swh/storage/tests/test_buffer.py b/swh/storage/tests/test_buffer.py
--- a/swh/storage/tests/test_buffer.py
+++ b/swh/storage/tests/test_buffer.py
@@ -7,7 +7,7 @@
 from unittest.mock import Mock
 
 from swh.storage import get_storage
-from swh.storage.buffer import BufferingProxyStorage
+from swh.storage.proxies.buffer import BufferingProxyStorage
 
 
 def get_storage_with_buffer_config(**buffer_config) -> BufferingProxyStorage:
diff --git a/swh/storage/tests/test_init.py b/swh/storage/tests/test_init.py
--- a/swh/storage/tests/test_init.py
+++ b/swh/storage/tests/test_init.py
@@ -10,11 +10,11 @@
 from swh.core.pytest_plugin import RPCTestAdapter
 from swh.storage import get_storage
 from swh.storage.api import client, server
-from swh.storage.buffer import BufferingProxyStorage
-from swh.storage.filter import FilteringProxyStorage
 from swh.storage.in_memory import InMemoryStorage
 from swh.storage.postgresql.storage import Storage as DbStorage
-from swh.storage.retry import RetryingProxyStorage
+from swh.storage.proxies.buffer import BufferingProxyStorage
+from swh.storage.proxies.filter import FilteringProxyStorage
+from swh.storage.proxies.retry import RetryingProxyStorage
 
 STORAGES = [
     pytest.param(cls, real_class, kwargs, id=cls)
diff --git a/swh/storage/tests/test_retry.py b/swh/storage/tests/test_retry.py
--- a/swh/storage/tests/test_retry.py
+++ b/swh/storage/tests/test_retry.py
@@ -18,7 +18,7 @@
     """In test context, we don't want to wait, make test faster
 
     """
-    from swh.storage.retry import RetryingProxyStorage
+    from swh.storage.proxies.retry import RetryingProxyStorage
 
     for method_name, method in RetryingProxyStorage.__dict__.items():
         if "_add" in method_name or "_update" in method_name:
diff --git a/swh/storage/tests/test_tenacious.py b/swh/storage/tests/test_tenacious.py
--- a/swh/storage/tests/test_tenacious.py
+++ b/swh/storage/tests/test_tenacious.py
@@ -14,7 +14,7 @@
 from swh.model.tests.swh_model_data import TEST_OBJECTS
 from swh.storage import get_storage
 from swh.storage.in_memory import InMemoryStorage
-from swh.storage.tenacious import TenaciousProxyStorage
+from swh.storage.proxies.tenacious import TenaciousProxyStorage
 from swh.storage.tests.storage_data import StorageData
 from swh.storage.tests.storage_tests import (
     TestStorageGeneratedData as _TestStorageGeneratedData,