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Complaints

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To submit a complaint, fill out the form below or email us at complaints@21X.eu. Please include as much detail as possible. We will investigate and respond as quickly as we can.

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Contact Form

Please fill out your contact details and the nature of your enquiry. We will endeavour to respond to you as soon as possible.

Address

21X AG

Große Gallusstraße 16-18,
60311 Frankfurt
Germany

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