Our accountant is raising their fees based on our revenue figures. They have a broad pricing model based on annual revenue, that doesn't take into consideration any other factor (e.g. number of transactions, complexity..etc). Our revenue figures increased during the year and hence they are revising the contract so we'd pay three times as much as what we paid at the beginning of the year. We are looking for quotations from other accounting firms, but we're faced with the question: what's a good price? Since accountants charge monthly here in Ireland, and we barely interact monthly (we do our own book keeping), it's hard for us to evaluate their worth based on the amount of work done since most of it will be done at the end of the year.
It depends on the country you are in and the accounting application you are using. Can you share some details on both.
A simple method I tell startups to do is to use a reliable accounting application, Sage or Quickbooks. Once you setup in the cloud versions, they have a list of finance guys on standard rates they connect you with. Finance outsourcing is a little tricky, so only trust a platform you know.