« Since I started using Flexina in Luxembourg, my life has changed. Everything is easier, they update very regularly. They always answer the phone, they are really super responsive! Thank you »
Online invoicing software · SMEs & freelancers in Luxembourg
Invoicing software for Luxembourg, ready for Peppol.
An all-in-one invoicing and business management software for Luxembourg businesses: quotes, invoices, CRM, planning, electronic signature and Peppol e-invoicing — in a single solution.
Complete software
not just Peppol
Peppol-ready
Luxembourg businesses
✓ No credit card✓ No commitment✓ Dedicated support
Peppol-ready
for public procurement (B2G)
Multi-currency
invoice clients across countries
Maximum security
data hosted in Europe, regular backups
Dedicated support
personalised help from our experts
All in one place
A real management software, not just invoicing
Everything your business needs for its commercial management and invoicing: quotes, invoices, purchases, stock, CRM and steering — in a single software for Luxembourg. with Peppol e-invoicing for the public sector.
Quotes & invoices
Professional documents with your own customisable templates, compliant with Luxembourg standards.
Peppol invoicing
Send and receive compliant e-invoices for Luxembourg public procurement (B2G) and your B2B partners.
Orders & deliveries
Purchase orders and delivery notes linked to your quotes and invoices, with no re-entry.
Stock management
Track your items and quantities, simply, without extra software.
Client files & CRM
Detailed records, business history, tasks and notes — VAT data verified via VIES.
Cash flow & banking
Real-time revenue, automatic reminders, automatic bank reconciliation.
Purchases & AI scan
Peppol reception + AI scanning of your supplier invoices to extract data automatically.
Electronic signature
Quotes and purchase orders signed legally in one click, no printing.
Business planning
Interventions, projects and tasks linked to your client files and invoicing.
Recurring invoicing
Subscriptions and contracts billed automatically, never forgotten.
New
Statistics & business analytics
Detailed statistics by VAT rate, country, client and product, with clear dashboards.
Customisation & PrestaShop import
Tailored interface and templates, plus automatic import of your PrestaShop orders.
The product in action
Built to run your whole business, not just invoicing
Invoicing & sales cycle
Create unique quotes and invoices with your own templates
Design professional quotes and invoices that reflect your company's image, and run your whole sales cycle: quotes, orders, deliveries and invoices flow automatically.
- ✓Custom design: layout, colours and your logo
- ✓Flexible terms and conditions
- ✓100% customisable, compliant documents
Purchases & cash flow
Your purchases scanned by AI, your cash flow under control
Scan your supplier invoices with AI, automatically reconcile your bank payments and track your revenue in real time, with automatic customer reminders.
- ✓AI scan of supplier invoices + Peppol reception
- ✓Automatic bank reconciliation
- ✓Automatic overdue reminders, real-time revenue
Clients & full CRM
All your clients and suppliers in one place
A full CRM built into your invoicing: detailed client records, business history, tasks and notes. VAT numbers are imported and verified automatically via VIES.
- ✓Centralised client records with business history
- ✓Automated VAT data, verified via VIES
- ✓Integrated sales tracking, tasks and notes
Reporting & analytics
Run your business, analyse everything in detail
Boost your revenue with detailed statistics and real-time analysis. Visualise your revenue instantly and make informed business decisions with clear dashboards.
- ✓Real-time financial dashboard, updated per invoice
- ✓Detailed analysis by VAT rate, country, client and product
- ✓Strategic reporting with customised indicators
Innovation
Electronic signature and concrete innovations
Sign your quotes and purchase orders electronically, legally and securely. Developed over 20 years with our customers, Flexina keeps adding practical features: PrestaShop import, AI scanning and more.
- ✓Legal electronic signature of quotes and orders
- ✓PrestaShop import converted to Peppol invoices
- ✓Built over 20 years with our customers
Peppol expertise
Peppol in Luxembourg: anticipate the legal requirements
Peppol e-invoicing is already required for transactions with the Luxembourg public sector (B2G) and increasingly adopted in B2B. Flexina sends and receives compliant e-invoices over the Peppol network, so you stay compliant for public tenders and ready for B2B.
- ✓B2G public procurement: send and receive Peppol invoices
- ✓Security and traceability of your e-invoices
- ✓Easy transition to Peppol with Flexina
Not just another Peppol tool. A real, complete invoicing software.
Many Peppol tools were rushed out to ride the reform. Flexina is the opposite: a complete, modular management software built for Luxembourg businesses — invoicing is our craft.
Complete commercial management
Quotes, invoices, orders, deliveries, stock, CRM, planning — not just e-invoicing.
All-in-one, 100% modular
Pay only for the features you need. The software adapts to your business.
Maximum security
Your data is hosted in Europe with regular backups.
Dedicated customer support
Enjoy personalised support from our team of experts, built for Luxembourg.
| What you really need | Flexina | Peppol-only tool | Accounting / CRM |
|---|---|---|---|
| Invoice and be Peppol-compliant | |||
| Quotes, orders, deliveries, stock | |||
| Full CRM & client relationship | |||
| Statistics & business analytics | |||
| All-in-one, modular, dedicated support |
Indicative comparison, for information only. The exact scope depends on each vendor.
Whatever your business, Flexina fits
A solution built for you, from your first quote to full management.
Freelancers & micro-businesses
Invoice compliantly from your very first client, without complexity. Peppol-ready, mobile, ready in minutes.
Start simplySMEs & tradespeople
Steer quotes, purchases, team planning and cash flow in one place, with full commercial management.
See the modulesAccountants & firms
Collect your clients' invoices for free (Peppol, UBL, WinBooks, Horus…) and point them to a compliant solution.
Accountant areaAvis clients
Trusted by businesses in Luxembourg
Luxembourg companies use Flexina every day to manage their quotes, invoices and business operations.
« I have been using Flexina in Luxembourg since 2016, the software is super simple and very practical. Best wishes to the whole team. »
« A loyal client since 2022, we highly recommend Flexina for the Grand Duchy of Luxembourg. The customer service is outstanding and the technical support remarkably responsive. A reliable and efficient invoicing software, perfectly suited to the needs of Luxembourg businesses. »
Ready to run your whole business?
Try Flexina free for 15 days. No credit card, no commitment.
1Create your account in 2 minutes, no card
2Import your clients and customise your templates
3Invoice, manage and steer your business
Flexina: The Complete Guide to Electronic Invoicing and Invoicing Software in Luxembourg
Discover everything you need to know about mandatory electronic invoicing in Luxembourg, Peppol compliance, and the risks of free invoicing software. Flexina offers a reliable and economical alternative for freelancers, small and medium businesses, without subscription and with optimized quote and invoice management.
Invoicing and Peppol in Luxembourg
Is Flexina suitable for Luxembourg SMEs and freelancers?
Yes. Flexina is designed for SMEs and freelancers in Luxembourg. It covers invoicing, quotes, CRM, planning, electronic signatures and Peppol invoicing.
Is Peppol mandatory in Luxembourg?
Peppol electronic invoicing is mandatory for public procurement (B2G) in Luxembourg. For B2B, Peppol is strongly recommended and increasingly adopted by Luxembourg businesses.
Does Flexina support B2G e-invoicing?
Yes. Flexina enables sending electronic invoices via the Peppol network, compliant with B2G invoicing requirements in Luxembourg.
Can I manage quotes, invoices and CRM in one tool?
Yes. Flexina is an all-in-one solution: quotes, invoices, CRM, planning, electronic signatures and Peppol invoicing in a single software.
Does Flexina support multi-currency invoicing?
Yes. Flexina supports multi-currency invoicing, ideal for Luxembourg businesses working with clients and suppliers across different countries.
Mandatory Electronic Invoicing in Luxembourg
Electronic invoice: why is electronic invoicing mandatory in Luxembourg?
Electronic invoicing via Peppol is mandatory for all transactions with public administration (B2G) and highly recommended for business-to-business exchanges (B2B). This reform aims to modernize business exchanges, automate accounting and simplify tax controls.
What are the benefits of Peppol electronic invoicing for Luxembourg companies?
Adopting Peppol allows Luxembourg companies to:
- **Exchange more easily with Benelux companies**, where electronic invoicing is already widely adopted.
- **Facilitate accounting export and automate invoice registration**.
- **Reduce payment delays and simplify transaction management**.
- **Exchange more easily with Benelux companies**, where electronic invoicing is already widely adopted.
- **Facilitate accounting export and automate invoice registration**.
- **Reduce payment delays and simplify transaction management**.
Does Flexina allow receiving and importing e-invoices in Peppol format?
Yes, Flexina is not limited to sending e-invoices: it also allows automatic reception and import of purchase invoices in Peppol XML format. Thanks to our AI scanning, supplier invoices are automatically integrated into your accounting, reducing manual entry and errors.
Have a specific question?
Our team of experts is here to help you make your choice and answer all your questions about Flexina.
Flexina, the invoicing software for freelancers and SMEs in Luxembourg
Flexina is an invoicing and business management software designed for Luxembourg businesses. It brings together your quotes, invoices, purchase orders, client management (CRM), purchases, planning and electronic signature — with Peppol e-invoicing, already required for public procurement (B2G) in Luxembourg.
Built for freelancers, micro-businesses, SMEs and tradespeople in Luxembourg, Flexina handles your legal mentions and VAT (verified via VIES), sending and receiving e-invoices over the Peppol network, automatic bank reconciliation and export to your accountant. You stay compliant for public tenders today and ready for B2B as Peppol adoption grows.
Unlike a simple online invoicing system, Flexina covers your whole commercial management: real-time revenue, automatic payment reminders, AI scanning of supplier invoices, detailed statistics and electronic signature of quotes. All with dedicated customer support and clear pricing — no commitment.
Peppol e-invoicing in Luxembourg →See pricing →The Flexina blog →
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