Online invoicing software for Luxembourg with Peppol

Simplify your administrative management today! Our intuitive solution makes your daily tasks easier with immediate usability and no technical training required. Flexina transforms your accounting obligations into a competitive advantage thanks to its clean interface and smart automations. A user-friendly solution that has already convinced hundreds of Luxembourg companies.

Flexina Invoicing
19 .99 /month

Included Features

  • Complete management of customers, quotes and invoices
  • Visual dashboard with real-time tracking of unpaid invoices
  • Automatic bank reconciliation
  • Mobile application to manage your business

VIP Services Included

  • Email support always by your side
  • Express start with customized training included
  • Secure hosting with multiple backups daily
  • Software that continuously evolves for over 15 years to meet your needs

And many more features included in the Flexina Invoicing version:

  • Real-time backup to your Dropbox or KDrive
  • Access to your bank statements via Ponto
  • Simplified CRM with notes and tasks
  • Online payment via Stripe, Paypal, Digiteal
Try for free for 15 days
🛡️ No commitment • No credit card required • Support included

Customize your Flexina according to your needs

No more overloaded premium offers that make you pay for useless features! With Flexina, only pay for what you actually use. Build your tailored solution by adding only the modules that boost your business, for an unbeatable value for money.

Say goodbye to stacks of paper invoices and manual data entry

Centralize and automate the management of all your supplier invoices for considerable time savings and simplified accounting transmission.

  • Scan your receipts and invoices directly from your smartphone Free app
  • Automatically import your invoices received by email or via Peppol with AI, OCR and XML recognition
  • Automatic verification to prevent duplicate entries and avoid errors
  • Automatically match payments of your supplier invoices with your bank statements
  • Export directly to your accounting system or your accountant
Save an average of 5 hours per month on invoice processing and eliminate data entry errors

Accelerate your sales processes and gain efficiency

Transform your commercial document validation process for considerable time savings and a modern customer experience.

  • Electronically sign your quotes, purchase orders and delivery notes
  • Choose between sending a signature link or direct signature on smartphone/tablet
  • Intuitive signature interface on all devices, no printing or travel required
  • Automatic receipt of signed documents in two copies by secure email
  • Instantly validate documents without complex paper processes
Reduce signature time by 65% and increase your conversion rate by 25% on average

Optimize your commercial chain from A to Z

Move to the next level in your business management with a complete and structured flow from quote to delivery.

  • Create professional purchase orders automatically from your quotes
  • Track your order status in real time with customizable statuses
  • Manage your delivery notes and invoice them separately or group them into a single invoice
  • Keep a complete history accessible in a few clicks with links to all documents involved in the business management process
Reduce the time spent on administrative order tracking by 75% and focus on your sales

Work efficiently and securely as a team

Allow each member of your team to access the information they need, while maintaining control over your sensitive data.

  • Define precise and customized access rights for each user
  • Track the actions of each user through the activity history
  • Collaborate in real time on the same documents without conflicts
  • Assign specific tasks to each member of your team
  • Manage notifications and alerts per user
Ideal for teams of 2 or more people, with intuitive management of permissions and roles

Efficiently manage your resources and activities in real time

Module fully integrated with your business management, with the ability to link your appointments directly to the corresponding customers and quotes.

  • Real-time visualization of your resources' availability
  • Direct connection with your customers and commercial documents
  • Dedicated mobile application to check schedules remotely
  • Manage a list of events to be scheduled that you can place in the planning later
  • Multiple views and customization options
Data always up-to-date and accessible from anywhere for your team, without complex synchronization

Completely automate your periodic invoices

Ideal for subscriptions, monthly services and recurring contracts: let Flexina automatically manage the sending of your regular invoices.

  • Flexible scheduling: monthly, quarterly, annual or customized
  • Customizable invoice templates by type of recurring service
Secure your recurring revenue and eliminate the risk of forgetting to invoice
See for yourself how easy online billing is and the quality of our customer service
Try Flexina Billing free for 15 days with no commitment

Flexina Billing also makes your online billing easy on iPhone, iPad, and Android.

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

Customer Testimonials

For over 15 years, we've been providing professional quality service in dozens of countries
TWOSEVEN SRL - SECURITY, NETWORK & ELECTRICAL
Loyal to FLEXINA from the start, a true pleasure and a highly efficient daily tool. We tried many different billing software solutions and none offered such flexibility in settings and customization. We can also count on extremely efficient and responsive technical service, which makes every operation very smooth. A must-have for all independent professionals and companies wanting an all-in-one tool without any hassle. Thanks to the entire team!
Lionel Delsart
Led Tech Pro
I've been using Flexina for 13 years, it's an excellent comprehensive billing software (quotes, purchase orders, delivery notes, invoices...). It's easy to use, with its app and Cloud access, it allows access to documents from anywhere and any device. Regular updates including QR code payment are very convenient. I highly recommend this billing solution.
Ugo Genestout
IXTHUS PRINTING
I'm taking this digital pen to say that I find Flexina to be a company that works tirelessly to satisfy us, moreover, with an excellent team behind it, available, attentive, and above all responsive! Nothing to fault, I use Flexina every day, even on weekends, and it works perfectly! 100% recommended.
Guillaume LEDUC
SCHALLER
Since I started using Flexina, my life has changed. Everything is easier, they update very regularly. They always answer the phone, they're really super responsive! Thank you
Albane SCHALLER
PASTITALIA
I was looking for an online program, I found Flexina which solved all my problems, simple and fast and support always available, I highly recommend it.
Sergio Scalirò
LAMARCK LOCKSMITH
We've been using Flexina for our invoices and quotes for several years now, it's a really comprehensive and easy-to-use billing software. We're very satisfied with the service and personal contact with the Flexina team members who are always available to advise us.
Guillaume LEDUC
OPTIBELUX
I've been using Flexina since 2016, the software is super simple and very practical. Keep up the good work to the whole team.
Jonathan Flasschoen
Casa&Co
We've been using Flexina for years. Very easy to use and very easy to handle. We recommend it.
CENGIZ GURSOY
ECHO-VERT PYRENEES OCEAN
Flexina, top-notch software adapted for SMEs on both computer and smartphone. Simple software that meets business needs
Katia Goursaud