Overview: What is the customer portal?
Our customer portal is your direct access to important services:
- Submit support requests online
- Start remote maintenance easily
- Upload documents securely and encrypted
No registration, no password – access is directly via our website.
Step-by-step instructions
a) Data transmission – uploading documents securely

- Select “Data transmission” in the customer portal.
- Select the appropriate area:
- Various uploads (Tresorit) – insert files via drag & drop or select “Add objects”. For everything that needs to be uploaded quickly and encrypted.
- Revision (Heyflow form) – form with upload option. Follow the instructions on the screen after forwarding.
- Taxes (Heyflow form) – form with upload option. Follow the instructions on the screen after forwarding.
- Accounting (Not yet available)
b) Request support

- Go to the customer portal on our website.
- Click on “Support”.
- Fill out the form with your contact details and your request.
- Optional: Attach files.
- Submit – our team will get back to you as soon as possible.
c) Start remote maintenance

- Click on “Remote maintenance” in the customer portal.
- The remote maintenance page opens.
- Enter the session code you received by phone or e-mail.
- Confirm and start session.
3. security and data protection
- Please read our privacy policy
❓ Frequently asked questions (FAQ)
What to do in case of problems?
Simply fill out the support form. Our team will get back to you as soon as possible to clarify your request.
Do I need a login?
No. You can access the customer portal directly via our website, without a user name or password.
How secure is the upload of my data?
Miscellaneous upload: All files that you send via the “Miscellaneous upload” button are transmitted end-to-end encrypted.
Revision and taxes: These forms are processed via a Heyflow server in Germany. Your data is securely stored there for 30 days and then automatically deleted.
What is a session code for remote maintenance?
A session code is a unique security code that you receive from our team. This code can be used to start an encrypted remote maintenance session – only with your consent.
How quickly will I receive feedback?
Usually within one working day. We respond to urgent technical problems as a matter of priority.
Which file formats can I upload?
You can upload PDF, Word, Excel, ZIP and image files. For particularly large files, you can upload via Tresorit.
Will my data be treated confidentially?
Yes, your data will only be processed by authorized employees and in accordance with the applicable data protection guidelines.
Can I also report my request by telephone?
Yes, you can reach us by phone during office hours for urgent matters. For structured inquiries, however, we recommend using the upload or support form.