diff --git a/.github/workflows/L1-tests.yml b/.github/workflows/L1-tests.yml
new file mode 100644
index 00000000..5377e81b
--- /dev/null
+++ b/.github/workflows/L1-tests.yml
@@ -0,0 +1,70 @@
+name: l1-tests
+
+on:
+  push:
+    branches: [ main, 'sprint/**', 'release/**' ]
+  pull_request:
+    branches: [ main, 'sprint/**', 'release/**' ]
+
+env:
+  BUILD_TYPE: Debug
+  THUNDER_REF: "5e7c0b1ed3c3dd0fc31c86518a364388dc24273b"
+  INTERFACES_REF: "930e01ec9aec8aa60254dec0be3beca932df63cd"
+
+jobs:
+  l1-tests:
+    name: Build and run unit tests
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        compiler: [ gcc, clang ]
+        coverage: [ with-coverage, without-coverage ]
+        exclude:
+          - compiler: clang
+            coverage: with-coverage
+          - compiler: clang
+            coverage: without-coverage
+          - compiler: gcc
+            coverage: without-coverage
+
+    steps:
+      - name: Set up cache
+        # Cache Thunder/ThunderInterfaces.
+        # https://github.com/actions/cache
+        # https://docs.github.com/en/rest/actions/cache
+        # Modify the key if changing the list.
+        if: ${{ !env.ACT }}
+        id: cache
+        uses: actions/cache@v3
+        with:
+          path: |
+            build/Thunder
+            build/ThunderInterfaces
+            build/ThunderTools
+            install
+            !install/etc/WPEFramework/plugins
+            !install/usr/bin/RdkServicesL1Test
+            !install/usr/include/gmock
+            !install/usr/include/gtest
+            !install/usr/lib/libgmockd.a
+            !install/usr/lib/libgmock_maind.a
+            !install/usr/lib/libgtestd.a
+            !install/usr/lib/libgtest_maind.a
+            !install/usr/lib/cmake/GTest
+            !install/usr/lib/pkgconfig/gmock.pc
+            !install/usr/lib/pkgconfig/gmock_main.pc
+            !install/usr/lib/pkgconfig/gtest.pc
+            !install/usr/lib/pkgconfig/gtest_main.pc
+            !install/usr/lib/wpeframework/plugins
+          key: ${{ runner.os }}-${{ env.THUNDER_REF }}-${{ env.INTERFACES_REF }}-3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.x'
+      - run: pip install jsonref
+
+      - name: Set up CMake
+        uses: jwlawson/actions-setup-cmake@v1.13
+        with:
+          cmake-version: '3.16.x'