Try our online invoicing software for 15 days: it's free !

Find out why Flexina Invoicing has been voted the best online invoicing and business management software for 15 years.
  1. Our customer service is always available and ready to help you.
  2. Your data is private, protected and backed up several times a day.
  3. Training, getting started and your custom invoice template are free.
  4. Your accountant can retrieve all your XML invoices (Ubl.be, Peppol) in one click.
  5. Ready for mandatory electronic invoicing (XML/Peppol/UBL).
free invoicing software
Free demo account

* We collect your data in order to allow you to test our software via a "demo" account, to send you the identifiers with which to connect, to respond to your requests for support during the evaluation period and to notify you of the expiration of this account. See our privacy policy
See for yourself the ease of online invoicing
and the quality of our customer service
Try Flexina Invoicing for free for 15 days without obligation

You can also contact us to get a free demonstration with a Flexina Invoicing advisor.

Flexina Invoicing makes your online invoicing easy on iPhone, iPad and Android.

Invoicing software on iPad Invoicing software for Android
Invoicing software on iPhone, iPad, Android.

Customer testimonials

For more than 10 years, we have been providing quality professional service in dozens of countries.
A3F SARL
Flexina has simplified the management of our business for us, in a few adjectives I would say: accessible by all, practical, complete for our activity, logical, and easy.
Luxembourg
Bernard Engin
Very good solution, affordable and always up to date. The helpdesk is very responsive and efficient. I recommend.
Belgium
Sateb SARL
Software improvements are made by asking our advice before proceeding with the update.
Switzerland
CREATIV’SIGN
We needed bilingual invoicing software...didn't find this type of software in France.
France
OZE
The application is intuitive, reliable, regularly updated and all for a fair price..
Belgium
Eric Beaulieu
Doing business in Quebec, it was very difficult for us to find a bilingual application that takes into account our different tax rates..
Quebec - Canada
Avis sur le logiciel de facturation Flexina
The online invoicing software Flexina Invoicing is ready for the electronic invoicing
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