diff --git a/datadog_lambda/constants.py b/datadog_lambda/constants.py
index 90afec76..ba4aa5d4 100644
--- a/datadog_lambda/constants.py
+++ b/datadog_lambda/constants.py
@@ -1,3 +1,8 @@
+# Unless explicitly stated otherwise all files in this repository are licensed
+# under the Apache License Version 2.0.
+# This product includes software developed at Datadog (https://www.datadoghq.com/).
+# Copyright 2019 Datadog, Inc.
+
 # Datadog trace sampling priority
 class SamplingPriority(object):
     USER_REJECT = -1
diff --git a/datadog_lambda/metric.py b/datadog_lambda/metric.py
index cf808d26..50fb4b17 100644
--- a/datadog_lambda/metric.py
+++ b/datadog_lambda/metric.py
@@ -1,3 +1,8 @@
+# Unless explicitly stated otherwise all files in this repository are licensed
+# under the Apache License Version 2.0.
+# This product includes software developed at Datadog (https://www.datadoghq.com/).
+# Copyright 2019 Datadog, Inc.
+
 import os
 import sys
 
diff --git a/datadog_lambda/patch.py b/datadog_lambda/patch.py
index 0cd62d17..2d0d707b 100644
--- a/datadog_lambda/patch.py
+++ b/datadog_lambda/patch.py
@@ -1,3 +1,8 @@
+# Unless explicitly stated otherwise all files in this repository are licensed
+# under the Apache License Version 2.0.
+# This product includes software developed at Datadog (https://www.datadoghq.com/).
+# Copyright 2019 Datadog, Inc.
+
 import sys
 
 from wrapt import wrap_function_wrapper as wrap
diff --git a/datadog_lambda/tracing.py b/datadog_lambda/tracing.py
index a2af5ebd..f43fee75 100644
--- a/datadog_lambda/tracing.py
+++ b/datadog_lambda/tracing.py
@@ -1,3 +1,8 @@
+# Unless explicitly stated otherwise all files in this repository are licensed
+# under the Apache License Version 2.0.
+# This product includes software developed at Datadog (https://www.datadoghq.com/).
+# Copyright 2019 Datadog, Inc.
+
 from aws_xray_sdk.core import xray_recorder
 
 from datadog_lambda.constants import (
diff --git a/datadog_lambda/wrapper.py b/datadog_lambda/wrapper.py
index 5d134b3e..904a1ae5 100644
--- a/datadog_lambda/wrapper.py
+++ b/datadog_lambda/wrapper.py
@@ -1,3 +1,8 @@
+# Unless explicitly stated otherwise all files in this repository are licensed
+# under the Apache License Version 2.0.
+# This product includes software developed at Datadog (https://www.datadoghq.com/).
+# Copyright 2019 Datadog, Inc.
+
 import traceback
 from threading import Thread
 
diff --git a/scripts/build_layers.sh b/scripts/build_layers.sh
index ca9db3a8..5e9e235a 100755
--- a/scripts/build_layers.sh
+++ b/scripts/build_layers.sh
@@ -1,5 +1,10 @@
 #!/bin/sh
 
+# Unless explicitly stated otherwise all files in this repository are licensed
+# under the Apache License Version 2.0.
+# This product includes software developed at Datadog (https://www.datadoghq.com/).
+# Copyright 2019 Datadog, Inc.
+
 # Builds Datadogpy layers for lambda functions, using Docker
 set -e
 
diff --git a/scripts/list_layers.sh b/scripts/list_layers.sh
index 3739da0b..da2fda10 100755
--- a/scripts/list_layers.sh
+++ b/scripts/list_layers.sh
@@ -1,5 +1,10 @@
 #!/bin/bash
 
+# Unless explicitly stated otherwise all files in this repository are licensed
+# under the Apache License Version 2.0.
+# This product includes software developed at Datadog (https://www.datadoghq.com/).
+# Copyright 2019 Datadog, Inc.
+
 # Lists most recent layers ARNs across regions to STDOUT
 # Optionals args: [layer-name] [region]
 
diff --git a/scripts/publish_layers.sh b/scripts/publish_layers.sh
index 9ac395d1..f00ccb02 100755
--- a/scripts/publish_layers.sh
+++ b/scripts/publish_layers.sh
@@ -1,5 +1,10 @@
 #!/bin/bash
 
+# Unless explicitly stated otherwise all files in this repository are licensed
+# under the Apache License Version 2.0.
+# This product includes software developed at Datadog (https://www.datadoghq.com/).
+# Copyright 2019 Datadog, Inc.
+
 # Publish the datadog python lambda layer across regions, using the AWS CLI
 # Usage: publish_layer.sh [region]
 # Specifying the region arg will publish the layer for the single specified region
diff --git a/scripts/run_tests.sh b/scripts/run_tests.sh
index 1b39f93f..8f9460b8 100755
--- a/scripts/run_tests.sh
+++ b/scripts/run_tests.sh
@@ -1,5 +1,10 @@
 #!/bin/sh
 
+# Unless explicitly stated otherwise all files in this repository are licensed
+# under the Apache License Version 2.0.
+# This product includes software developed at Datadog (https://www.datadoghq.com/).
+# Copyright 2019 Datadog, Inc.
+
 # Run unit tests in Docker
 set -e