diff --git a/backend-node/src/controllers/digitalTwinLayoutController.ts b/backend-node/src/controllers/digitalTwinLayoutController.ts
index d7ecbae1..f95ed0e2 100644
--- a/backend-node/src/controllers/digitalTwinLayoutController.ts
+++ b/backend-node/src/controllers/digitalTwinLayoutController.ts
@@ -22,11 +22,19 @@ export const getLayouts = async (
       LEFT JOIN user_info u1 ON l.created_by = u1.user_id
       LEFT JOIN user_info u2 ON l.updated_by = u2.user_id
       LEFT JOIN digital_twin_objects o ON l.id = o.layout_id
-      WHERE l.company_code = $1
     `;
 
-    const params: any[] = [companyCode];
-    let paramIndex = 2;
+    const params: any[] = [];
+    let paramIndex = 1;
+
+    // 최고 관리자는 모든 레이아웃 조회 가능
+    if (companyCode && companyCode !== '*') {
+      query += ` WHERE l.company_code = $${paramIndex}`;
+      params.push(companyCode);
+      paramIndex++;
+    } else {
+      query += ` WHERE 1=1`;
+    }
 
     if (externalDbConnectionId) {
       query += ` AND l.external_db_connection_id = $${paramIndex}`;
@@ -75,14 +83,27 @@ export const getLayoutById = async (
     const companyCode = req.user?.companyCode;
     const { id } = req.params;
 
-    // 레이아웃 기본 정보
-    const layoutQuery = `
-      SELECT l.*
-      FROM digital_twin_layout l
-      WHERE l.id = $1 AND l.company_code = $2
-    `;
+    // 레이아웃 기본 정보 - 최고 관리자는 모든 레이아웃 조회 가능
+    let layoutQuery: string;
+    let layoutParams: any[];
 
-    const layoutResult = await pool.query(layoutQuery, [id, companyCode]);
+    if (companyCode && companyCode !== '*') {
+      layoutQuery = `
+        SELECT l.*
+        FROM digital_twin_layout l
+        WHERE l.id = $1 AND l.company_code = $2
+      `;
+      layoutParams = [id, companyCode];
+    } else {
+      layoutQuery = `
+        SELECT l.*
+        FROM digital_twin_layout l
+        WHERE l.id = $1
+      `;
+      layoutParams = [id];
+    }
+
+    const layoutResult = await pool.query(layoutQuery, layoutParams);
 
     if (layoutResult.rowCount === 0) {
       return res.status(404).json({