Important notice: Please submit any changes to your master data to us by 15 December 2025 at the latest. Changes submitted after this date may not be considered for the 2025 tax year.
To update your personal data, such as your address or phone number, please log in to your personal client area via our website or app. You can change your details yourself under 'Profile'. Please note that you will need access to the device linked to your account to do this.
If you are experiencing problems with two-factor authentication (2FA) but still have access to your account, you can request a phone number change here. Please note that for security reasons, only phone numbers from countries within the European Economic Area can be stored in your Scalable account.
If you no longer have access to your account, or if you would like to change your master data (e.g. name or marital status), please contact our Client Service Team and specify the required change. You can reach us using the 'Support' function in the app or via our contact form.