They always answer right away to any question I have, they provide clear answers, and they are very patient even when I struggle to understand. They try to explain in different ways. They are very helpful, responsive and friendly.
Go to Revenue in your Accountable app.
Click on Import invoice to add your invoice.

3. Fill in the necessary information
4. Change the status to "Not sent"

5. When you are ready to send the invoice, click on Save and send

6. Make sure "Send the invoice via Peppol" is selected and click on "Send invoice"
​


Note: Make sure that your client is also registered on the Peppol network. Otherwise, they will not be able to receive the invoice via this channel.
Q : My client is not registered on Peppol. Can I still send him an invoice via this network?
A: No, both parties must be registered on the Peppol network for the invoice to be sent. If your client is not registered, you will have to send them the invoice by another means, such as email or PDF.
Q: What happens if I send the invoice and the recipient is not registered on Peppol?
A: You will not be able to send the invoice via Peppol. The option will not work, and you will receive an alert message about this.
Q : How can I find out if my client is registered with Peppol?
A : You can check whether your client is registered with Peppol by using our Peppol registry available online.
Simply enter your client's company number to see if they are registered.
Example :


If you're not sure, contact your client directly to confirm.
​
​Q: Do all invoices have to be sent via Peppol?
A: Since 2026, electronic invoicing via Peppol is mandatory for all invoices exchanged between Belgian professionals (B2B). This means that invoices between Belgian self-employed individuals and Belgian companies must be sent via Peppol. Invoices issued to private individuals (B2C) or to foreign customers are not subject to this obligation. For those clients, you can continue using other invoicing methods, depending on their preferences.
Q : Can I use Peppol for international transactions?
A: Yes, Peppol is designed to facilitate cross-border transactions within the European Union and even beyond. However, make sure that your client is also registered on the Peppol network so that the invoice is received correctly.
​
​Q: How can I be sure that my registration with Peppol is correct?
A: When registering, it is essential to provide accurate information, such as your company number and contact details. If you have any doubts or need assistance, you can contact our support team to check your registration.
​
Q : Does Peppol have an additional cost with Accountable?
A : There are no additional costs for using Peppol with Accountable.
Author - Valesca Wilms
As content marketing lead at Accountable Belgium, Valesca writes about freelancing, self-employment, and taxes based on her own experience as a freelancer.
Who is Valesca ?Thank you for your feedback!
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Read moreThey always answer right away to any question I have, they provide clear answers, and they are very patient even when I struggle to understand. They try to explain in different ways. They are very helpful, responsive and friendly.
Everything was great! All my questions were answered quickly and in a friendly manner.
In the world where everyone seems to be out to get small entrepreneurs and overwhelm them with new rules, more taxes and reporting obligations, Accountable often feels like the one steady partner that actually wants you to succeed, providing quick, clear and personalised support. Thank you!
This is an amazing application with great support on issues. In short as in day I am addicted to it (in a positive way). I myself is from IT project management and the way they have captured the user requirement, it’s phenomenal.
UI is great. Feature packed and very easy to use. The team at Accountable were VERY quick to respond and their team of technicians soon had a fix in place. Very happy with the level of service so far. Thumbs up from me!
This program is a lifesaver, and it is always improving. Plus, it has an AI chat feature that is actually useful.
The coaching session on tax management was excellent, good material, excellent explanations and very insightful. Combined with the AI I never feel alone with Accountable.
The availability of your team to help and guide people to understand their finances better is what really makes Accountable valuable. While the AI is able to give answers to most basic questions, specific scenarios need counsel from a human which your team performs beautifully.
Fast and careful answers from Alina. Top service. Thank you.
They always answer for questions wherever is via direct e-mail or through app. If they can’t answer fully they will forward you to the right place. Documents were always prepared well and ready to send further to government. Everything is intuitive in the app and easy to sort out even for someone completely green in this field.