In some countries and situations, you will be able to do the paperwork processing yourself finding identifying a right match, while in others, you will have to make use of an employment agency. But in some cases, you can do the paperwork without using an agency. Check this article for more information.
HelperChoice does not handle paperwork itself. However, we have partner agencies in Hong Kong and Singapore to help you with visa processing. If you would like help finding an ethical agency, which also does not charge helpers, fill in this form for Hong Kong employers or this form for Singapore employers.