Data Privacy Policy

Privacy statement

We take protection of your personal data seriously and process them exclusively on the basis of the relevant statutory provisions (GDPR). In this privacy statement you will find information on the most important aspects of data processing in the context of our website and email communications. We treat your data with the utmost care. Your data will only be transferred to third parties insofar as this is necessary to perform the relevant service and to maintain electronic services (IT provider) for payment processing (bank) and to fulfil our legal obligations (transfer to the tax office).

Contact with us

If you contact us using the form on the website or by e-mail, your data will be stored for six months in order to process the request and in case of follow-up questions. We will not share this information without your consent. Your data is provided on a voluntary basis, but without your data we will not be able to provide you with advice or services. Your data will only be stored by us for as long and to the extent that the statutory retention and limitation periods apply.


Our website uses cookies. These are small text files that are stored on your device via your browser. They do not harm your device. We use cookies to make our website user-friendly. Some cookies remain stored on your device until you delete them. They enable us to recognise your browser the next time you visit our site. If you do not wish this to happen, you can set your browser to inform you whenever cookies are set so that you can choose to permit it or not. Deactivating cookies may limit the functionality of our website.

Channels of communication

Duooo provides regular updates on current topics concerning our services and the profession. We also make use of social media such as Facebook, Twitter and Instagram for this purpose. The various communication channels can be accessed via our website. No personal data are collected by us in the process.

Withdrawal of consent to the processing of your data

Your express consent is required for us to process your data. If you are not happy with the processing of your data, you can revoke your consent at any time. An informal e-mail message is all that is required for that purpose.The legality of the data processing performed prior to the withdrawal of consent remains unaffected by this provision.

Your rights

You can claim your rights of information, correction, deletion, limitation, data portability, cancellation and objection by contacting us ( or the data protection authority.

Our contact data: