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💼 Take advantage of the 120% tax deduction to equip yourself with an electronic invoicing solution before 2026

The most complete Belgian Invoicing and Business Management software

Intuitive solution, immediate onboarding, clean interface. Transform your business management with our all-in-one software. Peppol compatible for mandatory electronic invoicing in Belgium in 2026.

Complete solution for only

19.99
/month
Full version to manage your customers, quotes, invoices and sending/receiving electronic invoices on Peppol
15-day free trial
🛡️ No commitment • No credit card • Support included

Main Features

Included
Customer management, mini-CRM, items, quotes, invoices and payment tracking
Revenue tracking and multi-criteria sales statistics in real time
Send and receive Peppol electronic invoices
Automatic bank reconciliation with Ponto
Template customization with payment QR-Code option to accelerate your collections
Intuitive mobile app to manage your business wherever you are

VIP Services Included

VIP
Email support always by your side
Secure hosting in Europe (GDPR compliant) with backups several times a day
Real-time document synchronization option on Dropbox, KDrive or WebDav
Ability to send online payment links via Stripe, Paypal and Digiteal
Software that has been continuously evolving for over 15 years to meet your needs

Customize your Flexina according to your needs

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

Start with the complete version, add modules later if needed

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

Features included:
  • Scan your receipts and invoices directly from your smartphone
  • Automatically import invoices received by email or via Peppol with AI, OCR and XML recognition
  • Automatic verification of duplicate entries to avoid errors
  • Automatically match your supplier invoice payments with your bank statements
  • Generate a payment QR-code for your supplier invoices and simplify your transfers
  • Export directly to your accounting software or accountant
Save an average of 5 hours per month on invoice processing and eliminate entry errors

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

Features included:
  • Electronically sign your quotes, purchase orders and delivery notes
  • Choose between sending a signature link or direct signing on smartphone/tablet
  • Intuitive signature interface on all devices, without printing or travel
  • Automatic receipt of signed documents in duplicate by secure email
  • Instantly validate documents without complex paper processes
Reduce signature delay by 65% and increase your conversion rate by 25% on average

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

Features included:
  • 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 in a single invoice
  • Keep a complete history accessible in a few clicks with links to all documents in the business management process
Reduce time spent on administrative order tracking by 75% and focus on your sales

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

Features included:
  • Define precise and customized access rights per user
  • Track each user's actions through activity history
  • Collaborate in real time on the same documents without conflicts
  • Assign specific tasks to each team member
  • Manage notifications and alerts per user
Flexina adapts to all teams with smart pricing: pay a reasonable supplement per collaborator, never the full price for each new user.

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

Features included:
  • Real-time visualization of your resources' availability
  • Direct link with your customers and commercial documents
  • Free app dedicated mobile app to view schedules remotely
  • Manage a list of events to be scheduled that you can place later in the planning
  • Many views and customization options
Data always up to date and accessible from anywhere for your team, without complex synchronization

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

Features included:
  • Flexible scheduling: monthly, quarterly, annual or custom
  • Customizable invoice templates by type of recurring service
Secure your recurring revenue and eliminate the risk of forgetting to invoice

Mobile apps

Manage your invoicing wherever you are

Download on App StoreGet it on Google Play
Invoicing software on iPhone, iPad, Android

Customer testimonials

For over 15 years, we have been offering quality professional service in about ten countries

TWOSEVEN SRL

SECURITY, NETWORK & ELECTRICAL

"Always loyal to FLEXINA, a real pleasure and a very efficient tool on a daily basis. We had tried many different invoicing software and none of them offered such flexibility in settings and customizations. A must have for all freelancers and companies who want an all-in-one tool without any hassle."
Lionel Delsart

Led Tech Pro

LED Technology

"I have been using Flexina for 13 years, it's an excellent invoicing software that is complete (quotes, purchase orders, delivery notes, invoices...). It is easy to use, with its app and Cloud, it allows access to documents from anywhere and with any device."
Ugo Genestout

IMPRIMERIE IXTHUS

Printing

"I find that Flexina is a company that fights hard to satisfy us, with an excellent team behind it, available, attentive, and especially responsive! I use Flexina every day, even on weekends, and it works perfectly! 100% recommended."
Guillaume LEDUC

SCHALLER

Services

"Since I started using Flexina, my life has changed. Everything is easier, they update very regularly. They always answer the phone, they are really super responsive! Thank you"
Albane SCHALLER

PASTITALIA

Restaurant

"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 in Switzerland."
Sergio Scalirò

SERRURERIE LAMARCK

Locksmith

"We have been using Flexina to create our invoices and quotes for several years now, it's a really complete and easy to use invoicing software. We are very satisfied with the service and human contact with Flexina team members."
Guillaume LEDUC

OPTIBELUX

Optics

"I have been using Flexina since 2016, the software is super simple and very practical. Best wishes to the whole team."
Jonathan Flasschoen

Casa&Co

Decoration

"We have been using Flexina for years. Very easy to use and handle. We recommend it."
CENGIZ GURSOY

ECHO-VERT PYRENEES OCEAN

Environment

"Flexina, top software adapted to SMEs on computer as well as smartphone. Simple software meets business needs"
Katia Goursaud