diff --git a/apiserver/bll/queue/queue_metrics.py b/apiserver/bll/queue/queue_metrics.py
index b259049..03bc129 100644
--- a/apiserver/bll/queue/queue_metrics.py
+++ b/apiserver/bll/queue/queue_metrics.py
@@ -29,7 +29,7 @@ class QueueMetrics:
     @staticmethod
     def _queue_metrics_prefix_for_company(company_id: str) -> str:
         """Returns the es index prefix for the company"""
-        return f"queue_metrics_{company_id}_"
+        return f"queue_metrics_{company_id.lower()}_"
 
     @staticmethod
     def _get_es_index_suffix():
diff --git a/apiserver/bll/workers/stats.py b/apiserver/bll/workers/stats.py
index 1454fe1..1a9d8af 100644
--- a/apiserver/bll/workers/stats.py
+++ b/apiserver/bll/workers/stats.py
@@ -20,7 +20,7 @@ class WorkerStats:
     @staticmethod
     def worker_stats_prefix_for_company(company_id: str) -> str:
         """Returns the es index prefix for the company"""
-        return f"worker_stats_{company_id}_"
+        return f"worker_stats_{company_id.lower()}_"
 
     def _search_company_stats(self, company_id: str, es_req: dict) -> dict:
         return self.es.search(