Most popular options:

QuickBooks Online: Most widely used, robust features, excellent for most small businesses. $30-$200/month.

Xero: Clean interface, strong for businesses with international needs. $13-$70/month.

FreshBooks: Best for service businesses and freelancers with simple needs. $19-$60/month.

Wave: Free basic version, good for very small businesses. Paid features available.

Considerations:

– Business size and complexity

– Industry-specific needs

– Integration requirements (payroll, e-commerce, CRM)

– Mobile access needs

– Budget

Most accounting firms have software preferences and can provide training and support. Choose software your accountant is familiar with.