After setting yourself up with Beany, there's always an option to change or add to your accounting package. The most common example we have, is where clients would prefer us to take the hassle out of checking and preparing GST returns.
The additional cost for this is $50 plus GST per month. When preparing each GST return, your accountant runs a transaction list for the period and makes sure each line item is recorded correctly and has the appropriate GST rate.
This gives you a certain level of confidence that your Xero file is working correctly and has the right information. This is particularly helpful if you use Xero's Profit and Loss Account, and Balance Sheet.
In order for us to prepare the returns, you must be using the Xero accounting system.