diff --git a/lib/domain/model/room/room_list_extension.dart b/lib/domain/model/room/room_list_extension.dart
index db1d5134b7..ce127227ca 100644
--- a/lib/domain/model/room/room_list_extension.dart
+++ b/lib/domain/model/room/room_list_extension.dart
@@ -3,6 +3,22 @@ import 'package:fluffychat/domain/model/search/recent_chat_model.dart';
 import 'package:matrix/matrix.dart';
 
 extension RoomListExtension on List<Room> {
+  bool _matchedMatrixId(RecentChatSearchModel model, String keyword) {
+    return model.directChatMatrixID
+            ?.toLowerCase()
+            .contains(keyword.toLowerCase()) ??
+        false;
+  }
+
+  bool _matchedName(RecentChatSearchModel model, String keyword) {
+    return model.displayName?.toLowerCase().contains(keyword.toLowerCase()) ??
+        false;
+  }
+
+  bool _matchedNameOrMatrixId(RecentChatSearchModel model, String keyword) {
+    return _matchedName(model, keyword) || _matchedMatrixId(model, keyword);
+  }
+
   List<RecentChatSearchModel> searchRecentChat({
     required MatrixLocalizations matrixLocalizations,
     required String keyword,
@@ -13,11 +29,7 @@ extension RoomListExtension on List<Room> {
     )
         .map((room) => room.toRecentChatSearchModel(matrixLocalizations))
         .where(
-          (model) =>
-              model.displayName != null &&
-              model.displayName!.toLowerCase().contains(
-                    keyword.toLowerCase(),
-                  ),
+          (model) => _matchedNameOrMatrixId(model, keyword),
         )
         .take(limit ?? length)
         .toList();
diff --git a/lib/pages/search/search_contacts_and_chats_controller.dart b/lib/pages/search/search_contacts_and_chats_controller.dart
index 3b58fd1f41..a12e50664c 100644
--- a/lib/pages/search/search_contacts_and_chats_controller.dart
+++ b/lib/pages/search/search_contacts_and_chats_controller.dart
@@ -83,27 +83,8 @@ class SearchContactsAndChatsController with SearchDebouncerMixin, SearchMixin {
         .toList();
     final tomContactPresentationSearchMatched = tomPresentationSearchContacts
         .expand((contact) => contact.toPresentationSearch())
-        .where((contact) {
-      if (contact is! ContactPresentationSearch) {
-        return false;
-      }
-
-      if (contact.displayName == null) {
-        return false;
-      }
-
-      if (contact.email == null) {
-        return false;
-      }
-
-      final matchedName =
-          contact.displayName!.toLowerCase().contains(keyword.toLowerCase());
-
-      final matchedEmail =
-          contact.email!.toLowerCase().contains(keyword.toLowerCase());
-
-      return matchedName || matchedEmail;
-    }).toList();
+        .where((contact) => _doesMatchKeyword(contact, keyword))
+        .toList();
     _searchRecentChatInteractor
         .execute(
       keyword: keyword,
@@ -126,6 +107,45 @@ class SearchContactsAndChatsController with SearchDebouncerMixin, SearchMixin {
     );
   }
 
+  bool _matchedMatrixId(PresentationSearch contact, String keyword) {
+    return contact.directChatMatrixID
+            ?.toLowerCase()
+            .contains(keyword.toLowerCase()) ??
+        false;
+  }
+
+  bool _matchedName(PresentationSearch contact, String keyword) {
+    return contact.displayName?.toLowerCase().contains(keyword.toLowerCase()) ??
+        false;
+  }
+
+  bool _matchedEmail(PresentationSearch contact, String keyword) {
+    return contact.email?.toLowerCase().contains(keyword.toLowerCase()) ??
+        false;
+  }
+
+  bool _matchedContactInfo(PresentationSearch contact, String keyword) {
+    return _matchedName(contact, keyword) ||
+        _matchedEmail(contact, keyword) ||
+        _matchedMatrixId(contact, keyword);
+  }
+
+  bool _doesMatchKeyword(PresentationSearch contact, String keyword) {
+    if (contact is! ContactPresentationSearch) {
+      return false;
+    }
+
+    if (contact.displayName == null) {
+      return false;
+    }
+
+    if (contact.email == null) {
+      return false;
+    }
+
+    return _matchedContactInfo(contact, keyword);
+  }
+
   void onSearchBarChanged(String keyword) {
     setDebouncerValue(keyword);
   }