With the ADDISON OneClick app for smartphone or tablet, you are always connected to your tax advisor.

Reports from your tax advisor, which you have previously received in paper form, are directly available at any time and can be displayed quickly, easily and securely as PDF. You can also communicate securely and effortlessly with your tax advisor - without a separate e-mail program.
Keep track of things with the messages that remind you of new reports for your company or a message from your tax advisor.

The new form of office organization that is fun with ADDISON OneClick. The app is the ideal addition.

• Secure communication with your tax advisor
• Secure exchange of evaluations

Please note: In order to use the ADDISON OneClick app, you need appropriate access to the ADDISON OneClick portal from your tax advisor.