diff --git a/.github/workflows/comms_pr-title-check.yaml b/.github/workflows/comms_pr-title-check.yaml
new file mode 100644
index 0000000..177e273
--- /dev/null
+++ b/.github/workflows/comms_pr-title-check.yaml
@@ -0,0 +1,22 @@
+name: "4. PR Title Check"
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize, edited]
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  check-pr-title:
+    name: "Check PR title"
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Checkout code"
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - name: "Check PR title format"
+        uses: ./.github/actions/check-pr-title-format
+        with:
+          title: ${{ github.event.pull_request.title }}