Of all the new invoicing software packages out there, which one is right for your clients? As accounting professionals, we know, we will get these questions from our clients. This review will help you serve as an advocate for your clients. Any accountant or CPA can answer a client's question, but how many offer advice before they are asked? I have earned many of my clients by providing this type of advice to clients. Be seen as a partner with your client instead of just a number cruncher.