diff --git a/changelog.d/13765.misc b/changelog.d/13765.misc
new file mode 100644
index 0000000000..fdda5cf3b6
--- /dev/null
+++ b/changelog.d/13765.misc
@@ -0,0 +1 @@
+Concurrently fetch room push actions when calculating badge counts. Contributed by Nick @ Beeper (@fizzadar).
diff --git a/synapse/push/push_tools.py b/synapse/push/push_tools.py
index 6661887d9f..658bf373b7 100644
--- a/synapse/push/push_tools.py
+++ b/synapse/push/push_tools.py
@@ -17,6 +17,7 @@ from synapse.events import EventBase
 from synapse.push.presentable_names import calculate_room_name, name_from_member_event
 from synapse.storage.controllers import StorageControllers
 from synapse.storage.databases.main import DataStore
+from synapse.util.async_helpers import concurrently_execute
 
 
 async def get_badge_count(store: DataStore, user_id: str, group_by_room: bool) -> int:
@@ -25,13 +26,19 @@ async def get_badge_count(store: DataStore, user_id: str, group_by_room: bool) -
 
     badge = len(invites)
 
-    for room_id in joins:
-        notifs = await (
-            store.get_unread_event_push_actions_by_room_for_user(
+    room_notifs = []
+
+    async def get_room_unread_count(room_id: str) -> None:
+        room_notifs.append(
+            await store.get_unread_event_push_actions_by_room_for_user(
                 room_id,
                 user_id,
             )
         )
+
+    await concurrently_execute(get_room_unread_count, joins, 10)
+
+    for notifs in room_notifs:
         if notifs.notify_count == 0:
             continue