If you're here looking up STELLAService customer care, you probably already know who they are. But it helps to get an idea of how big they are and what their support operation looks like if you are a customer. STELLAService also goes by or is associated with the names StellaService Inc, StellaService. STELLAService is associated with terms like private by their customers and industry analysts. They employ 100 people according to customers in the know.