No. 2: Accounting, bookkeeping, tax preparation, and payroll services
Public Domain Image: Public Domain
Net profit margin: 21.2%
Once again, accounting is a sector that has been on the most profitable list for years on end. Bookkeeping and accounting represent sectors of the economy which manage to thrive even in times of downturn or recession, making it one of the best industries in which you could start your own business.
