diff --git a/.github/workflows/scis_invoice_calculator.yml b/.github/workflows/scis_invoice_calculator.yml
new file mode 100644
index 0000000..49a5ae3
--- /dev/null
+++ b/.github/workflows/scis_invoice_calculator.yml
@@ -0,0 +1,33 @@
+on:
+  schedule:
+    - cron: '0 9 * * *'
+  workflow_dispatch:
+
+jobs:
+  scis_invoice_calculator:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.12'
+
+      - name: Install dependencies
+        run: |
+          pip install poetry
+          poetry install --no-root
+
+      - name: run script
+        run: |
+          bash scis_invoice.sh
+        env:
+          PYTHONPATH: ${{ github.workspace }}
+          SOUTH_COAST_INSULATION_SERVICE_SHAREPOINT_ID: ${{ secrets.SOUTH_COAST_INSULATION_SERVICE_SHAREPOINT_ID }}
+          JJC_SERVICE_SHAREPOINT_ID: ${{ secrets.JJC_SERVICE_SHAREPOINT_ID }}
+          BAXTER_KELLY_SERVICE_SHAREPOINT_ID: ${{ secrets.BAXTER_KELLY_SERVICE_SHAREPOINT_ID }}
+          SGEC_SERVICE_SHAREPOINT_ID: ${{ secrets.SGEC_SERVICE_SHAREPOINT_ID }}
+          SHAREPOINT_CLIENT_ID: ${{ secrets.SHAREPOINT_CLIENT_ID }}
+          SHAREPOINT_CLIENT_SECRET: ${{ secrets.SHAREPOINT_CLIENT_SECRET }}
+          SHAREPOINT_TENANT_ID: ${{ secrets.SHAREPOINT_TENANT_ID }}
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