Do I have to pay to access my client's data? No, there is no additional cost for accountants to access their client's data. Related articles How do I access the data of a client who already has a Countingup account? How do I refer a client who doesn’t already have a Countingup account? How do I file my self-assessment tax return on the online HMRC portal as a self-employed person? How to contact the support team? How can I send or receive international transfers?