diff --git a/mip_dmp/cli/mip_dataset_mapper_cli.py b/mip_dmp/cli/mip_dataset_mapper_cli.py
index 715d699..8930867 100644
--- a/mip_dmp/cli/mip_dataset_mapper_cli.py
+++ b/mip_dmp/cli/mip_dataset_mapper_cli.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-
 """Standalone script which runs the MIP Dataset Mapper from the terminal."""
 
 import sys
@@ -21,15 +20,15 @@
 # import logging
 from mip_dmp.process.mapping import map_dataset
 
-from mip_dmp.io import (
+from mip_dmp.utils.io import (
     load_csv,
     load_excel,
     # load_excel,
     load_json,
 )
-from mip_dmp.parser import create_parser
+from mip_dmp.utils.parser import create_parser
 
-# from mip_dmp.logger import setup_logging
+# from mip_dmp.utils.logger import setup_logging
 
 
 def main():
diff --git a/mip_dmp/process/embedding.py b/mip_dmp/process/embedding.py
index 490573e..43f2333 100644
--- a/mip_dmp/process/embedding.py
+++ b/mip_dmp/process/embedding.py
@@ -21,7 +21,7 @@
 from sklearn.decomposition import PCA
 
 # Internal imports
-from mip_dmp.io import load_glove_model, load_c2v_model
+from mip_dmp.utils.io import load_glove_model, load_c2v_model
 
 
 def glove_embedding(text, glove_model):
diff --git a/mip_dmp/qt5/components/dataset_mapper_window.py b/mip_dmp/qt5/components/dataset_mapper_window.py
index a0334d2..b10b0a1 100644
--- a/mip_dmp/qt5/components/dataset_mapper_window.py
+++ b/mip_dmp/qt5/components/dataset_mapper_window.py
@@ -48,7 +48,7 @@
 import pkg_resources
 
 # Internal imports
-from mip_dmp.io import load_mapping_json
+from mip_dmp.utils.io import load_mapping_json
 from mip_dmp.process.mapping import (
     map_dataset,
     MAPPING_TABLE_COLUMNS,
diff --git a/mip_dmp/utils/__init__.py b/mip_dmp/utils/__init__.py
new file mode 100644
index 0000000..2865c7a
--- /dev/null
+++ b/mip_dmp/utils/__init__.py
@@ -0,0 +1,15 @@
+# Copyright 2023 The HIP team, University Hospital of Lausanne (CHUV), Switzerland & Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Sub-package that contains modules with utility functions for i/o, logging, and script argument parsing."""
diff --git a/mip_dmp/io.py b/mip_dmp/utils/io.py
similarity index 100%
rename from mip_dmp/io.py
rename to mip_dmp/utils/io.py
diff --git a/mip_dmp/logger.py b/mip_dmp/utils/logger.py
similarity index 100%
rename from mip_dmp/logger.py
rename to mip_dmp/utils/logger.py
diff --git a/mip_dmp/parser.py b/mip_dmp/utils/parser.py
similarity index 100%
rename from mip_dmp/parser.py
rename to mip_dmp/utils/parser.py