There is a need for bookkeeping service a lot of people want to do their own books and when they realize that they have no clue what to put where then they call a bookkeeper or accountant. If you are going to do this as a service then you should consider adding other services like daily money management. Typing would be another good one to add and tax consultations and preparation. You can make this work with a little creativity and think outside the box for ways to make your service a niche. Good luck.