diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 00000000..6f99a88a
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1 @@
+* @matrix-org/bridges
\ No newline at end of file
diff --git a/.github/workflows/sign-off.yml b/.github/workflows/sign-off.yml
new file mode 100644
index 00000000..398e7b7a
--- /dev/null
+++ b/.github/workflows/sign-off.yml
@@ -0,0 +1,10 @@
+name: Contribution requirements
+
+on:
+  pull_request:
+    types: [opened, edited, synchronize]
+
+jobs:
+  signoff:
+    uses: matrix-org/backend-meta/.github/workflows/sign-off.yml@v1.4.0
+          
diff --git a/changelog.d/818.misc b/changelog.d/818.misc
new file mode 100644
index 00000000..011b0ebe
--- /dev/null
+++ b/changelog.d/818.misc
@@ -0,0 +1 @@
+Add new CI workflow to check for signoffs.
\ No newline at end of file