Our favorite online accounting systems are QuickBooks Online, Xero Accounting, Zoho Books, Wave Accounting, and Acumatica.
QuickBooks Online has quickly become very popular as many of the QuickBooks Desktop users switch over to online. It's a great feature that QuickBooks Online allows customers to pay via ACH back transfer. Definitely worth considering if you are currently a QuickBooks user.
Xero Accounting has quickly garnered a significant user base and is significantly more powerful than many other systems available for small business users. Look into this system if you require online software with more power. If your business is big enough that you employ a full time bookkeeper, you might enjoy the features offered by Xero.
Zoho Books provides small business accounting with automated banking, online payments, estimates, invoices with online payment accepted, multiuser, and more all for under $300/yr.
Wave Accounting is totally free software. Advertisements displayed on the edge of your screen cover the manufacturer's costs. Especially good for a very small business with strong invoicing needs.
There is large price difference between the cost of accounting products like Sage 50 and QuickBooks versus sophisticated ERP systems like Microsoft Dynamics or Sage 100. Xero has priced their system to fall between these extremes. Xero provides an affordable way for smaller companies to get into a higher functioning ERP system.
Acumatica accounting is able to be customized with additional fields and custom programming. In addition to small business uers, this software is also intended for medium size businesses. If you want software that really helps your employees collaborate together and you also need business management features, then this program is one to look into.