diff --git a/app/modules/services/templates/services/catalogue_list.html b/app/modules/services/templates/services/catalogue_list.html
index 71d6ce9..edeb5b9 100644
--- a/app/modules/services/templates/services/catalogue_list.html
+++ b/app/modules/services/templates/services/catalogue_list.html
@@ -24,6 +24,15 @@
     Bulk update completed: <span class="font-semibold">{{ request.query_params.get('bulk_updated', '0') }}</span> changed,
     <span class="font-semibold">{{ request.query_params.get('bulk_unchanged', '0') }}</span> already in the requested state,
     and <span class="font-semibold">{{ request.query_params.get('bulk_skipped', '0') }}</span> skipped.
+    {% if request.query_params.get('bulk_action') == 'enable' %}
+    <div class="mt-2">
+      <span class="font-semibold">{{ request.query_params.get('tasks_copied', '0') }}</span> system-default tasks copied.
+      <span class="font-semibold">{{ request.query_params.get('services_existing_tasks', '0') }}</span> services already had firm tasks and were preserved.
+      {% if request.query_params.get('services_without_defaults', '0') != '0' %}
+      <span class="font-semibold">{{ request.query_params.get('services_without_defaults', '0') }}</span> services had no system-default tasks.
+      {% endif %}
+    </div>
+    {% endif %}
   </div>
   {% elif request.query_params.get('bulk_action') == 'no_selection' %}
   <div class="rounded-2xl border border-amber-200 bg-amber-50 p-4 text-sm text-amber-800">Select at least one service before applying a bulk action.</div>
@@ -33,9 +42,27 @@
   <div class="rounded-2xl border border-red-200 bg-red-50 p-4 text-sm text-red-800">The requested bulk action is invalid.</div>
   {% endif %}
 
+
+  {% if request.query_params.get('service_action') == 'enabled' %}
+  <div class="rounded-2xl border border-emerald-200 bg-emerald-50 p-4 text-sm text-emerald-800">
+    Service selected for the firm.
+    {% if request.query_params.get('existing_tasks') == '1' %}
+    Existing firm task templates were preserved without changes.
+    {% elif request.query_params.get('tasks_copied', '0') != '0' %}
+    <span class="font-semibold">{{ request.query_params.get('tasks_copied', '0') }}</span> system-default tasks were copied automatically.
+    {% else %}
+    No system-default tasks were available to copy.
+    {% endif %}
+  </div>
+  {% elif request.query_params.get('service_action') == 'disabled' %}
+  <div class="rounded-2xl border border-amber-200 bg-amber-50 p-4 text-sm text-amber-800">
+    Service disabled for the firm. Existing firm task templates were retained for future re-enablement.
+  </div>
+  {% endif %}
+
   {% if can_manage_firm_services %}
   <div class="rounded-2xl border border-emerald-200 bg-emerald-50 p-4 text-sm text-emerald-800">
-    Select the services your firm provides. Once selected, you can open <span class="font-semibold">Firm Task Templates</span> and customise tasks for your firm.
+    Select the services your firm provides. System-default tasks are copied automatically only when that service has no existing firm task templates. Existing customised firm tasks are never overwritten.
   </div>
   {% endif %}
 
diff --git a/app/modules/services/ui.py b/app/modules/services/ui.py
index d1352c3..7370471 100644
--- a/app/modules/services/ui.py
+++ b/app/modules/services/ui.py
@@ -849,6 +849,56 @@ def catalogue_edit_submit(request: Request, catalogue_id: int, service_name: str
         db.close()
 
 
+def _copy_system_defaults_if_firm_tasks_empty(
+    db,
+    *,
+    tenant_id: int,
+    catalogue_id: int,
+    user_id: int,
+) -> tuple[int, bool]:
+    """Initialise firm task templates once without overwriting custom firm tasks."""
+    existing_tasks = get_firm_task_templates(
+        db,
+        tenant_id=tenant_id,
+        catalogue_id=catalogue_id,
+    )
+    if existing_tasks:
+        return 0, True
+
+    defaults = get_default_task_templates(db, catalogue_id=catalogue_id)
+    copied_count = 0
+    for default in defaults:
+        db.add(FirmServiceTaskTemplate(
+            tenant_id=tenant_id,
+            service_catalogue_id=catalogue_id,
+            task_name=default.task_name,
+            description=default.description,
+            sequence_no=default.sequence_no,
+            default_role_name=default.default_role_name,
+            is_mandatory=default.is_mandatory,
+            requires_review=default.requires_review,
+            task_category=getattr(default, "task_category", None),
+            response_required=getattr(default, "response_required", False),
+            response_type=getattr(default, "response_type", "NONE") or "NONE",
+            evidence_required=getattr(default, "evidence_required", False),
+            remarks_required_if_no=getattr(default, "remarks_required_if_no", False),
+            is_aqmm_task=getattr(default, "is_aqmm_task", False),
+            aqmm_mandatory=getattr(default, "aqmm_mandatory", False),
+            aqmm_evidence_required=getattr(default, "aqmm_evidence_required", False),
+            aqmm_manager_review_required=getattr(default, "aqmm_manager_review_required", False),
+            aqmm_partner_review_required=getattr(default, "aqmm_partner_review_required", False),
+            aqmm_review_partner_required=getattr(default, "aqmm_review_partner_required", False),
+            aqmm_blocks_final_release=getattr(default, "aqmm_blocks_final_release", False),
+            aqmm_reference=getattr(default, "aqmm_reference", None),
+            is_active=default.is_active,
+            created_by_user_id=user_id,
+            updated_by_user_id=user_id,
+        ))
+        copied_count += 1
+
+    return copied_count, False
+
+
 @router.post('/catalogue/bulk-selection')
 def bulk_update_firm_services(
     request: Request,
@@ -900,6 +950,9 @@ def bulk_update_firm_services(
         updated_count = 0
         unchanged_count = 0
         skipped_count = 0
+        tasks_copied_count = 0
+        services_with_existing_tasks = 0
+        services_without_defaults = 0
 
         if action in {'enable', 'disable'} and unique_service_ids:
             catalogue_rows = db.execute(
@@ -949,6 +1002,18 @@ def bulk_update_firm_services(
                             updated_count += 1
                         else:
                             unchanged_count += 1
+
+                    copied_count, had_existing_tasks = _copy_system_defaults_if_firm_tasks_empty(
+                        db,
+                        tenant_id=tenant_id,
+                        catalogue_id=catalogue_id,
+                        user_id=user.id,
+                    )
+                    tasks_copied_count += copied_count
+                    if had_existing_tasks:
+                        services_with_existing_tasks += 1
+                    elif copied_count == 0:
+                        services_without_defaults += 1
                 else:
                     if selection is not None and selection.is_enabled:
                         selection.is_enabled = False
@@ -966,6 +1031,9 @@ def bulk_update_firm_services(
             f'bulk_updated={updated_count}',
             f'bulk_unchanged={unchanged_count}',
             f'bulk_skipped={skipped_count}',
+            f'tasks_copied={tasks_copied_count}',
+            f'services_existing_tasks={services_with_existing_tasks}',
+            f'services_without_defaults={services_without_defaults}',
             f'page={max(1, return_page)}',
             f'per_page={return_per_page if return_per_page in (20, 50, 100) else 20}',
         ]
@@ -1002,6 +1070,7 @@ def toggle_firm_service(request: Request, catalogue_id: int, default_branch_id:
         if not row or not row.is_active:
             return RedirectResponse(url='/services/catalogue', status_code=303)
         selection = get_firm_selection(db, tenant_id=tenant_id, catalogue_id=catalogue_id)
+        enabling = selection is None or not bool(selection.is_enabled)
         if not selection:
             selection = FirmServiceSelection(
                 tenant_id=tenant_id,
@@ -1017,8 +1086,28 @@ def toggle_firm_service(request: Request, catalogue_id: int, default_branch_id:
             if str(default_branch_id).strip():
                 selection.default_branch_id = int(default_branch_id)
             selection.updated_by_user_id = user.id
+
+        copied_count = 0
+        had_existing_tasks = False
+        if enabling:
+            copied_count, had_existing_tasks = _copy_system_defaults_if_firm_tasks_empty(
+                db,
+                tenant_id=tenant_id,
+                catalogue_id=catalogue_id,
+                user_id=user.id,
+            )
+
         db.commit()
-        return RedirectResponse(url='/services', status_code=303)
+        if enabling:
+            return RedirectResponse(
+                url=(
+                    f'/services/catalogue?service_action=enabled'
+                    f'&tasks_copied={copied_count}'
+                    f'&existing_tasks={1 if had_existing_tasks else 0}'
+                ),
+                status_code=303,
+            )
+        return RedirectResponse(url='/services/catalogue?service_action=disabled', status_code=303)
     finally:
         db.close()