diff --git a/sonar-project.properties b/sonar-project.properties
new file mode 100644
index 0000000..54a12f8
--- /dev/null
+++ b/sonar-project.properties
@@ -0,0 +1,30 @@
+# SPDX-FileCopyrightText: Contributors to the Power Grid Model project <powergridmodel@lfenergy.org>
+#
+# SPDX-License-Identifier: MPL-2.0
+
+sonar.projectKey=PowerGridModel_power-grid-model-io-native
+sonar.organization=powergridmodel
+
+# This is the name and version displayed in the SonarCloud UI.
+sonar.projectName=power-grid-model-io-native
+sonar.projectVersion=1.0
+
+# include C++ and Python source file
+# since the C++ part is header only, also include the C++ unit test .cpp file
+sonar.sources=src,tests/c_api_tests,power_grid_model_io_native_c
+sonar.tests=tests/unit
+sonar.sourceEncoding=UTF-8
+
+
+# exclude C++ unit test .cpp file (with doctest.h)
+sonar.issue.ignore.allfile=a1
+sonar.issue.ignore.allfile.a1.fileRegexp='.*#include.*doctest\.h[>"].*'
+sonar.coverage.exclusions="tests/**/*"
+sonar.cpd.exclusions="tests/**/*"
+sonar.cfamily.threads=1
+sonar.coverageReportPaths=cpp_coverage.xml
+
+# python
+sonar.python.version=3
+sonar.python.coverage.reportPaths=python_coverage.xml
+