Questions about a device, an order or a return? We reply within one business day.

Email

certifiedmarkdoc@gmail.com

Order support

Include your order number (it starts with #) so we can find your order quickly. You can also see order status in your account.

Returns

To start a return within your 90-day trial, email us with your order number and the reason for return. We will send return instructions and confirm your refund once the device is received.

Response times

Monday to Friday, 9:00–17:00 CET. Messages sent on weekends are answered on the next business day.