@@ -1,5 +1,6 @@
 from decimal import Decimal
 from typing import Any, Tuple
+from uuid import UUID
 
 from rest_framework.request import Request
 
@@ -16,6 +17,7 @@ from authentication.models import (
     BusinessAccount,
     BusinessUserHost,
     CustomUserModel,
+    BusinessGroup,
 )
 from authentication.selectors.account_status_selector import (
     AccountStatusSelector,
@@ -65,7 +67,7 @@ class BusinessHostService:
         EmailService.send_corporate_greeting_email(account_service.account, password)
         return account_service
 
-    def create_existing(self, email: str, account_privileges: str) -> BusinessAccountService:
+    def create_existing(self, email: str, account_privileges: str, group: UUID | None = None) -> BusinessAccountService:
         company = self.user.host or self.user.employee.parent_company
         try:
             user = UserSelector.get_by_email(email.lower())
@@ -82,6 +84,8 @@ class BusinessHostService:
             company,
             account_privileges=account_privileges,
         )
+        account_service.account.group = BusinessGroup.objects.filter(uid=group, parent_company=company).first()
+        account_service.account.save()
         if not user.is_deleted:
             EmailService.send_corporate_invitation_email(account_service.account, company)
         else:
@@ -90,7 +94,6 @@ class BusinessHostService:
             user.is_deleted = False
             user.save()
             EmailService.send_corporate_greeting_email(account_service.account, password)
-
         return account_service
 
     def create(self, request: Request) -> BusinessAccountDataSerializer:
@@ -160,6 +160,7 @@ class NewBusinessAccountSerializer(serializers.Serializer):
     account_privileges = serializers.ChoiceField(
         choices=AccountPrivileges.choices, default=AccountPrivileges.REGULAR
     )
+    group = serializers.UUIDField(required=False)
 
 
 class DeleteBusinessAccountSerializer(serializers.Serializer):