diff --git a/utils/database/database.py b/utils/database/database.py
index 8bf58de..4458de4 100644
--- a/utils/database/database.py
+++ b/utils/database/database.py
@@ -1,6 +1,6 @@
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
-from utils.models import Client, VMImage
+from utils.models.models import Client, VMImage
 import logging
 
 
@@ -27,15 +27,15 @@ class Database:
             print(ex)
             exit(-1)
 
-    def get_clients(self) -> list(Client):
-        result = None
+    def get_clients(self) -> list[Client]:
+        result = []
         try:
             with self.session.begin():
                 result = self.session.query(Client).all()
         except Exception as ex:
             self.logger.error(
                 f"Error getting list of clients from database: {ex}")
-            result = None
+            result = []
         return result
 
     def get_client_by_mac_address(self, mac_address: str) -> Client:
@@ -45,8 +45,29 @@ class Database:
                 result = self.session.query(
                     Client, mac_address=mac_address).first()
         except Exception as ex:
-            self.logger.error(f"Error getting client by mac address: {ex}")
+            self.logger.warn(f"Error getting client by mac address: {ex}")
         return result
 
-    def get_clients_by_client_version(self, client_version: str) -> list(Client):
-        result = None
+    def get_clients_by_client_version(self, client_version: str) -> list[Client]:
+        result = []
+        try:
+            with self.session.begin():
+                result = self.session.query(
+                    Client, client_version=client_version).all()
+        except Exception as ex:
+            self.logger.warn(
+                f"Error getting client list by software version: {ex}")
+        return result
+
+    def get_clients_by_vm_image(self, vm_image: VMImage) -> list[Client]:
+        result = []
+        try:
+            clients_list = self.get_clients()
+            for client in clients_list:
+                if client.has_vm_installed(vm_image.image_hash):
+                    result.append()
+        except Exception as ex:
+            self.logger.warn(
+                f"Error getting list of clients with VM installed: {ex}")
+            result = []
+        return result
diff --git a/utils/models/__init__.py b/utils/models/__init__.py
index 20f2059..9028d94 100644
--- a/utils/models/__init__.py
+++ b/utils/models/__init__.py
@@ -1 +1 @@
-from utils.models import Client, VMImage
\ No newline at end of file
+from utils.models import Client, VMImage