Different consultancies work in different ways. Some might concentrate on a client for week and then leave. Some others might work overtime to make sure you have the best results. Do a background check on the people you’re hiring. See their past clients. Analyse how they’re doing right now, Make sure this is not just any accountant with a dentist client. See the results and choose for yourself if you want them. Their personalities also can influence your decision. Make sure you don't choose wrong