diff --git a/app/customers/backend/router.py b/app/customers/backend/router.py
index b85a1e0..7b459de 100644
--- a/app/customers/backend/router.py
+++ b/app/customers/backend/router.py
@@ -547,7 +547,32 @@ async def sync_economic_numbers_from_simplycrm():
             hub_customers = execute_query("SELECT id, name FROM customers")
             logger.info(f"📊 Found {len(hub_customers)} customers in Hub")
             
-            # Match og opdater
+            # Build set af eksisterende kunde-navne (normalized)
+            existing_customer_names = {c['name'].strip().lower() for c in hub_customers}
+            
+            # Find customers der mangler i Hub
+            missing_customers = []
+            for name_key, data in name_to_economic.items():
+                if name_key not in existing_customer_names:
+                    missing_customers.append(data)
+            
+            logger.info(f"📊 Found {len(missing_customers)} customers missing in Hub")
+            
+            # Opret manglende customers
+            for missing in missing_customers:
+                try:
+                    execute_query(
+                        """INSERT INTO customers (name, economic_customer_number, created_at, updated_at)
+                           VALUES (%s, %s, NOW(), NOW())""",
+                        (missing['original_name'], missing['economic_customer_number'])
+                    )
+                    logger.info(f"➕ Created customer: {missing['original_name']} → e-conomic #{missing['economic_customer_number']}")
+                    stats["hub_customers_created"] = stats.get("hub_customers_created", 0) + 1
+                except Exception as create_error:
+                    logger.error(f"❌ Failed to create customer {missing['original_name']}: {create_error}")
+                    stats["errors"] += 1
+            
+            # Match og opdater eksisterende
             for customer in hub_customers:
                 customer_name_key = customer['name'].strip().lower()
                 
@@ -586,7 +611,7 @@ async def sync_economic_numbers_from_simplycrm():
             
             return {
                 "status": "success",
-                "message": f"Synced {stats['hub_customers_updated']} customers with e-conomic numbers from Simply-CRM",
+                "message": f"Synced {stats['hub_customers_updated']} existing customers and created {stats.get('hub_customers_created', 0)} new customers from Simply-CRM",
                 "stats": stats
             }