diff --git a/config/search/config.json b/config/search/config.json
index db8733f..48f6676 100644
--- a/config/search/config.json
+++ b/config/search/config.json
@@ -765,6 +765,7 @@
       ],
       "properties": {
         "name": "http://www.w3.org/2004/02/skos/core#prefLabel",
+        "legal_name": "http://www.w3.org/ns/regorg#legalName",
         "classification_id": [
           "http://www.w3.org/ns/org#classification",
           "http://mu.semte.ch/vocabularies/core/uuid"
@@ -822,6 +823,15 @@
               }
             }
           },
+          "legal_name": {
+            "type": "text",
+            "fields": {
+              "field": {
+                "type": "keyword",
+                "normalizer": "custom_sort_normalizer"
+              }
+            }
+          },
           "classification_name": {
             "type": "text",
             "fields": {
diff --git a/config/search/dev/config.json b/config/search/dev/config.json
index c58fda3..2d1b912 100644
--- a/config/search/dev/config.json
+++ b/config/search/dev/config.json
@@ -738,6 +738,7 @@
       ],
       "properties": {
         "name": "http://www.w3.org/2004/02/skos/core#prefLabel",
+        "legal_name": "http://www.w3.org/ns/regorg#legalName",
         "classification_id": [
           "http://www.w3.org/ns/org#classification",
           "http://mu.semte.ch/vocabularies/core/uuid"
@@ -795,6 +796,15 @@
               }
             }
           },
+          "legal_name": {
+            "type": "text",
+            "fields": {
+              "field": {
+                "type": "keyword",
+                "normalizer": "custom_sort_normalizer"
+              }
+            }
+          },
           "classification_name": {
             "type": "text",
             "fields": {