For the small or mid-sized business owner, today's crop of accounting solutions is an embarrassment of riches. Your clients can dip their toes into cloud-based accounting by using an online solution for one or two functions. They can integrate an online add-on with their desktop accounting software. They can forge ahead and implement a 100-percent-in-the-cloud solution, like QuickBooks Online or Intacct, or sign up for a hosted environment.