Your online invoicing software ready
for mandatory electronic invoicing in Luxembourg

Starting from 20€ / month
  • Customer, prospect and supplier management.
  • Management of estimates, invoices, pro-forma and credit notes.
  • Management of unpaid invoices and reminder letters.
  • Catalog of items.
  • Document template editor.
  • Import and export of customers and items in Excel.
  • Sales statistics, customers, items, turnover analysis...
  • Export of customizable sales journals.
  • Access for a concurrent user. (Basic license: 1 user)
  • PC, Mac, tablet and smartphone version.
Services included
  • Support by email and phone.
  • Help with getting started : software configuration, import of customer and item data, advice layout of estimates and invoices, personalized training.
  • Hosting, data backups, secure access via HTTPS.
  • Export business documents in PDF and save in real time on Dropbox.
  • Regular updates to improve the software based on feedback received from our users.

Additional modules

Online payments
Receive your invoice payments online with Paypal, Stripe and Mollie.
included in the license
Dropbox Backups
Automatically copy your documents to your Dropbox.
included in the license
Orders / Deliveries
Purchase orders, delivery notes.
+ 5 EUR/month
Multi-User Module
Add new users to work on the same account simultaneously.
+ 5 EUR/month
Purchase invoices
Scan and encode your purchases to easily send them to your accountant.
+ 10 EUR/month
Supplier orders
Orders and receipt of supplier orders.
+ 5 EUR/month
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.
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.
Bernard Engin
Very good solution, affordable and always up to date. The helpdesk is very responsive and efficient. I recommend.
Sateb SARL
Software improvements are made by asking our advice before proceeding with the update.
We needed bilingual invoicing software...didn't find this type of software in France.
The application is intuitive, reliable, regularly updated and all for a fair price..
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 in Luxembourg
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