The tool that makes the electronic invoicing easy and accessible for VSE and SME

Your invoicing is accessible online at anytime and anywhere in the world from your computer, Mac, iPad, iPhone or Android.

Flexina Invoicing was made to save you time with a pleasant and easy to use interface.

Flexina Invoicing is safe : we take care of protecting and saving your data several times a day.

Flexina is ready for the mandatory electronic invoicing in Luxembourg.

Easy to use Online Invoicing Software

Get your invoices paid faster

Flexina Invoicing helps you to have your invoices paid faster : it allows you to easily find information on your unpaid invoices.

You have a clear view on your paid invoices, unpaid invoices, overdue invoices and you can easily send reminders to your customers to get your money.

Get your invoices paid faster

Turnover and statistics in real time on your invoicing

Your turnover is calculated in real time everytime an invoice or a credit note is validated.

Flexina Invoicing gives you access to many invoicing statistics with many criteria : VAT rate, sellers, countries, customer familly, item familly...

Invoicing Software that calculates your turnover

Complete customer and prospect information to facilitate your commercial management

The customers and prospects' details sheet of Flexina Invoicing let you group all the information of your third parties in one place.

You have a clear view on the contact details but also on your commercial management : current estimates, unpaid invoices, notes... linked to your customers or prospects.

The identification of your customers and prospects in your commercial management

Your own customizable invoices and estimates templates

With Flexina you can entirely customize your invoices and estimates templates : the layout is customizable, there is the possibility of attaching your terms and conditions to the back of your invoices, put a background image on your invoices.

The template editor verify that your templates include the mandatory legal information and our support help you for free to setup the layout of your invoice templates.

Easy commercial management with conversion of estimates into invoices

Complete commercial management: your estimates, purchase orders, delivery notes, invoices...

Flexina Invoicing facilitates the commercial management of your company by allowing you to easily follow all of your commercial documents with customizable status.

With Flexina, you have a better view on your activity and you simplify your commercial management for a faster invoicing which will allow your to convert more estimates into invoices.

Easy commercial management with conversion of estimates into invoices

Create your catalog of items that you can use to save time when invoicing

Don't lose time by searching for the description or the price of your items when you need to issue an invoice.

With Flexina you can quickly search for your products and services and integrate them in your estimates and invoices in one click.

Use your item catalog to make an invoice

Ready for mandatory electronic invoicing in Luxembourg

Be prepared for the obligation to issue electronic invoices in Luxembourg with powerful, easy-to-use invoicing software at an affordable price.

Save time with the best invoicing software

For more than 10 years, we have been offering quality customer service and always ready to help you.

You don't need to be an IT or business management expert: it's the easiest software to use, and we offer you training and free starting setup.

Strengths of our online estimate and invoicing software

Estimate and Invoicing
Manage your estimates, invoices, purchase orders, delivery notes..., pro forma invoices, supplier orders and deliveries, purchase invoices.
Third party management
Quickly find your customers, prospects or suppliers... and visualize with the help of a complete sheet all the information related to them.
Item management
Save time with the catalog of items to encode your documents.Get sales statistics on your items.
Payments and reminders
Track the payment of your invoices. Quickly view your unpaid invoices.Quickly view your unpaid or overdue invoices. Easily create and track your reminder letters.
Analyze and export dozens of statistical data: turnover..., sales log, analysis by sellers, products, customers...
Completely change the look and layout of your documents..., the color of your interface as well as dozens of practical options.
Import / Export
Import and export your customers, prospects, suppliers, items, statistics. You can obtain a copy of your data at any time.
Cloud Invoicing
Securely access Flexina via the web or via the mobile version.optimized for iPhone, iPad and Android.
Activate modules according to your business needs. : orders and deliveries, supplier documents, cost analysis...
No subscription
No subscription ! You prepay a 3, 6 or 12 month plan. and you have the right to stop at any time and collect your documents.
At your service
Our team is always available to quickly answer your questions and provide a solution.
Flexina allows you to define for each user his access rights and restrictions.
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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