diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a5c830a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,14 @@
+# compiled code & logs
+**/target/
+**/logs/
+# package folder
+**/dbt_packages/
+# dbt folders that are not used
+**/snapshots/
+**/analysis/
+**/data/
+# user specific file
+**/.user.yml
+
+# MacOS specific files
+.DS_Store
diff --git a/integration_tests/dbt_project.yml b/integration_tests/dbt_project.yml
new file mode 100644
index 0000000..8158b70
--- /dev/null
+++ b/integration_tests/dbt_project.yml
@@ -0,0 +1,5 @@
+name: 'pm_utils_integration_tests'
+version: '1.0.0'
+config-version: 2
+
+profile: 'integration_tests'
diff --git a/integration_tests/macros/tests.sql b/integration_tests/macros/tests.sql
new file mode 100644
index 0000000..e65a640
--- /dev/null
+++ b/integration_tests/macros/tests.sql
@@ -0,0 +1,3 @@
+{% test equal_value(model, actual, expected) %}
+    select * from {{ model }} where {{ actual }} != {{ expected }}
+{% endtest %}
diff --git a/integration_tests/models/schema.yml b/integration_tests/models/schema.yml
new file mode 100644
index 0000000..232ff2b
--- /dev/null
+++ b/integration_tests/models/schema.yml
@@ -0,0 +1,11 @@
+version: 2
+
+models:
+  - name: test_concat
+    tests:
+      - equal_value:
+          actual: '"Two_text_fields"'
+          expected: '"Two_text_fields_expected"'
+      - equal_value:
+          actual: '"One_null"'
+          expected: '"One_null_expected"'
diff --git a/integration_tests/models/test_concat.sql b/integration_tests/models/test_concat.sql
new file mode 100644
index 0000000..cc8a71b
--- /dev/null
+++ b/integration_tests/models/test_concat.sql
@@ -0,0 +1,16 @@
+with Input_data as (
+    select
+        'A' as "Column_A",
+        'B' as "Column_B",
+        null as "Column_C"
+)
+
+select
+    {# Concatenate two text fields (basic scenario) #}
+    {{ pm_utils.concat('"Column_A"', '"Column_B"') }} as "Two_text_fields",
+    'AB' as "Two_text_fields_expected",
+
+    {# Concatenate two fields of which one is null #}
+    {{ pm_utils.concat('"Column_A"', '"Column_C"') }} as "One_null",
+    'A' as "One_null_expected"
+from Input_data
diff --git a/integration_tests/packages.yml b/integration_tests/packages.yml
new file mode 100644
index 0000000..4a6b9c1
--- /dev/null
+++ b/integration_tests/packages.yml
@@ -0,0 +1,2 @@
+packages:
+  - local: ../