diff --git a/src/etos_lib/opentelemetry/__init__.py b/src/etos_lib/opentelemetry/__init__.py
new file mode 100644
index 0000000..14b4036
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+++ b/src/etos_lib/opentelemetry/__init__.py
@@ -0,0 +1,16 @@
+# Copyright 2020 Axis Communications AB.
+#
+# For a full list of individual contributors, please see the commit history.
+#
+# 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.
+"""ETOS OpenTelemetry module."""
diff --git a/src/etos_lib/opentelemetry/semconv.py b/src/etos_lib/opentelemetry/semconv.py
new file mode 100644
index 0000000..c9003dd
--- /dev/null
+++ b/src/etos_lib/opentelemetry/semconv.py
@@ -0,0 +1,43 @@
+# Copyright 2020 Axis Communications AB.
+#
+# For a full list of individual contributors, please see the commit history.
+#
+# 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.
+"""ETOS OpenTelemetry semantic conventions module."""
+from dataclasses import dataclass
+
+
+@dataclass(frozen=True)
+class Attributes:
+    """Constants for ETOS OpenTelemetry semantic conventions."""
+
+    # General ETOS conventions
+    SUITE_ID = "etos.suite.id"
+    SUBSUITE_ID = "etos.subsuite.id"
+    TESTRUN_ID = "etos.testrun.id"
+
+    # Test Runner conventions
+    TEST_RUNNER_ID = "etos.test_runner.id"
+
+    # Suite Runner conventions
+    SUITE_RUNNER_JOB_ID = "etos.suite_runner.job.id"
+
+    # Environment generic conventions
+    ENVIRONMENT = "etos.subsuite.environment"  # environment description as JSON
+    ENVIRONMENT_ID = "etos.environment.id"
+
+    # Execution space conventions
+    EXECUTOR_ID = "etos.environment.execution_space.executor.id"
+
+    # IUT conventions
+    IUT_DESCRIPTION = "etos.environment.iut.description"