diff --git a/.github/workflows/sonar.yml b/.github/workflows/sonar.yml
new file mode 100644
index 0000000..47dfa76
--- /dev/null
+++ b/.github/workflows/sonar.yml
@@ -0,0 +1,50 @@
+name: Monorepo Test & SonarCloud
+
+on:
+  push:
+    branches: [ main , Development ]
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  sonarcloud:
+    name: Unified Coverage + SonarCloud
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.13'
+
+      - name: Install global test deps
+        run: |
+          python -m pip install --upgrade pip
+          pip install pytest pytest-cov
+
+      - name: Install service dependencies
+        if: ${{ github.event_name == 'null' }}
+        run: |
+          pip install -r auth-service/requirements.txt
+          pip install -r project-service/requirements.txt
+          pip install -r notification-service/requirements.txt
+
+      - name: Run all tests with per-service coverage
+        if: ${{ github.event_name == 'null' }}
+        run: |
+          pytest \
+            --cov=auth-service \
+            --cov=project-service \
+            --cov=notification-service \
+            --cov-report=xml \
+            auth-service/tests project-service/tests notification-service/tests
+
+      - name: SonarCloud Analysis
+        uses: SonarSource/sonarcloud-github-action@v2
+        with:
+          projectBaseDir: .
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
diff --git a/sonar-project.properties b/sonar-project.properties
new file mode 100644
index 0000000..275874e
--- /dev/null
+++ b/sonar-project.properties
@@ -0,0 +1,18 @@
+sonar.projectKey=ISCODEVUTB_TaskHub
+sonar.organization=deviscoutb
+sonar.host.url=https://sonarcloud.io
+sonar.token=${SONAR_TOKEN}
+
+# Incluye todos los microservicios
+sonar.sources=auth-service,project-service,notification-service
+sonar.tests=auth-service/tests,project-service/tests,notification-service/tests
+
+# Incluir solo archivos de test dentro de tests/
+sonar.test.inclusions=**/tests/**/*.py
+
+# Excluir posibles archivos compilados o cachés
+sonar.exclusions=**/__pycache__/**,**/*.pyc
+
+# Coverage report
+# Lo ideal es un coverage.xml generado de forma combinada
+sonar.python.coverage.reportPaths=coverage.xml