Invoicing software support

Have a question? We have answers

IT4Billing prides itself on its support team, however most questions can be answered in our "Frequently Asked Questions" system. Try it.

What topic do you need help with?

Clarify your questions using the FAQ system and if you have any problems contact support.

First Steps

Need to contact support?

Support Portal

Access the support portal to submit and view support tickets.


Fill in the form to contact support.


Fill in the form to contact support.


Introduza o seu NIF, clique em submeter e sera redirecionado para a sua página de login. 

Nota: O url da sua página de login exclusiva obedece à seguinte estrutura: seu NIF/Login.

Sugerimos que guarde a página de login nos favoritos do seu browser. 


Enter your VAT Number, click submit and you will be redirected to your login page.

Note: Your unique login page url follows the following structure: /Login.

We suggest that you save the login page to your browser’s bookmarks.

Thank you for your information. We will reply as soon as possible.