For the purpose of accounting, we store the following data of our (potential) clients: name, address, phone number, email address, VAT ID. This data will be handed over to payment providers or banks to perform financial transactions and to our tax advisor and the tax office to fulfill our tax obligations. Any information which is provided by you to support our consulting efforts or brought forward during one of our workshops will be stored and backed up in encrypted format and will not be disclosed to third parties, unless required by law or you instruct us to do so. All data is stored within the EU and will be stored according to the statutory retention periods, usually 7 years. The data provided by you is required to fulfill our contractual obligation or to prepare a contract. Without this information we will not be able to fulfill or enter a contract. In case you send documents via E-Mail or you instruct us to provide sensible information to you via E-Mail, the data will be handled by our mail service provider, Microsoft Ireland Operations Limited, Atrium Block B, Carmenhall Road, Sandyford Industrial Estate, Dublin 18, Ireland. Microsoft is a member of the US-EU data privacy agreement “Privacy Shield” and signed a data processing agreement with us. The data processing is based on § 6 article 1b (contract) and/or $6 article 1a (consent) of the GDPR.