Self-billing (self-invoicing) via Peppol fully automates supplier flows. With Flexina, receiving self-billing invoices is included in purchase management. A new module also allows you to issue invoices on behalf of your suppliers.
Verification of Payee (VoP) becomes mandatory in October 2025. With Flexina, your invoices and SEPA QR codes are already compliant: beneficiary name and IBAN automatically synchronized.
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Scanning your receipts and invoices is often a real headache: slow and bulky traditional scanners, paid apps with unnecessary complex features, free solutions riddled with ads that exploit your confidential data... No more hassle! Flexina Scan revolutionizes your administrative daily routine with a 100% free mobile app, ad-free and privacy-respecting. Initially developed for our Flexina customers but now accessible to everyone.
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Since January 1, 2026, electronic invoicing is mandatory for all companies in Belgium. To support you, Flexina includes Peppol free of charge in all its licenses. Discover how this evolution revolutionizes your invoice and purchase management while offering you essential benefits. What is Peppol? Peppol is an international network enabling secure and standardized exchange of documents
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Optimize invoicing for your PrestaShop store. Integration guide and best practices for e-commerce billing.
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Configure your OVH email service to work with Flexina invoicing software. Complete setup guide with detailed instructions.
ReadMaximize tax benefits with Peppol electronic invoicing in Belgium. The 120% tax deduction is extended until 2027. Learn about deductions and compliance requirements.
Use Gmail with Flexina for professional email sending. Learn how to configure Gmail SMTP settings for your invoicing needs.
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Complete guide on retention guarantees in Belgium and Luxembourg. Legal requirements and management with Flexina.
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Manage your teams efficiently with Flexina Planning. Real-time scheduling, resource management, and optimization tools.
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Implement electronic signatures for quotes and purchase orders. Legal validity and best practices.
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Flexina now supports passkeys for passwordless authentication. Learn about this new security feature and its benefits.
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Discover how Flexina simplifies electronic invoicing in Belgium. Features, benefits, and Peppol compliance.
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Set up your professional email to work seamlessly with Flexina. Step-by-step guide for email configuration and integration.
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Configure Gmail and Google Workspace SMTP for Flexina invoicing. Complete setup guide with security best practices.
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Stay updated with electronic invoicing changes in 2024. New regulations, requirements, and implementation timeline.
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Automate bank reconciliation with invoicing software. Features, benefits, and implementation guide.
ReadElectronic invoicing is now mandatory in Belgium since January 2026. Requirements and compliance guide for businesses.
Important update on reverse charge mentions for 2023. Compliance requirements and implementation guide.
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Discover Peppol electronic invoicing benefits. Implementation guide and compliance requirements explained.
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Optimize your sales process with pipeline management. Track opportunities and improve conversion rates.
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Electronic invoicing is mandatory for public contracts in Belgium. Understand requirements and compliance guidelines.
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Discover why investing in quality invoicing software matters. Benefits and selection criteria for your business.
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Explore free invoicing software options. Understand features, limitations, and when to upgrade to paid solutions.
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Streamline purchase management and bank reconciliation. Best practices and tools for efficient financial control.
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Understand the importance of purchase invoices. Benefits for accounting, tax compliance, and business management.
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Service businesses need specialized invoicing features. Learn why quality software makes a difference.
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The QR invoice is now mandatory in Switzerland. Discover everything you need to know about this new invoicing standard.
ReadIntroduction to electronic invoicing with Peppol. Learn the basics and benefits of adopting e-invoicing for your business.
Everything about electronic invoicing in Belgium. Requirements, benefits, and implementation guide for Belgian businesses.
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Discover 2022 invoicing software trends and essential features. Guide to choosing the right solution for your business.
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The chart of accounts is the foundation of your accounting. Learn to master it for better financial management of your business.
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Cash flow is vital for any business. Discover concrete strategies to optimize your cash management and ensure financial stability.
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Belgium requires new mentions for 6% reduced VAT rate. Learn about compliance requirements and implementation.
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Unpaid invoices impact your cash flow. Learn best practices for professional and effective payment reminders that maintain client relationships.
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Navigate post-Brexit customs duties with confidence. Understand new requirements and their impact on your business.
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Learn when to issue invoice duplicates and how to do it correctly. Legal requirements and best practices explained.
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Is there a validity period for signed quotes? Understand legal implications and best practices for quote management.
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Customer relationship management is key to business success. Discover modern strategies to retain and satisfy your clients.
ReadStarting as a freelancer? Discover 8 proven strategies to attract and secure your first clients for a successful freelance career.
Discover Q4 2020 updates and new features. Important changes and improvements for your business operations.
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Setting the right rates and invoicing properly are crucial for freelance success. Learn strategies for pricing and professional billing.
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Protect your business accounts with strong passwords. Learn the best practices for creating and managing secure passwords.
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Ensure invoice compliance with all mandatory mentions. Complete checklist and requirements by country.
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Everything you need to know about purchase orders: definition, legal importance, and how to create them effectively for your business.
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Professional payment follow-ups are crucial for cash flow. Learn effective strategies to collect payments while maintaining relationships.
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Recording purchase invoices is crucial for accurate accounting. Discover the right method to avoid errors and ensure compliance.
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Managing your own accounting can save money but requires knowledge. Discover the essential steps to handle your books correctly.
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Learn how to create compliant invoices for international clients. Requirements and best practices for cross-border billing.
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Efficient invoicing management is essential for business health. Learn best practices and tools to optimize your billing process.
ReadDiscover best practices for numbering your invoices professionally and in compliance with Belgian regulations.
How long should you keep invoices? Understand legal retention requirements for business documents and best practices.
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Discover the advantages of online invoicing for your business. Features, benefits, and selection guide for invoicing software.
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Complete guide on which companies can benefit from invoicing software. Features, benefits, and implementation tips for all business types.
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Protect your business with proper terms and conditions. Learn what to include and how to implement effective sales terms.
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How to effectively test invoicing software before committing. Key features to evaluate and testing strategies.
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Understand late payment penalties and how to apply them. Legal framework and calculation methods explained.
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Having a professional email address is essential for your company's credibility...
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Download free invoice templates for Word and Excel. Professional designs and customization tips included.
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Proper software configuration saves time and prevents errors. Learn how to set up your invoicing software for optimal performance.
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Invoicing errors can cost your business time and money. Learn how to prevent common mistakes and ensure accurate billing.
ReadUnderstand credit notes and their proper use. Legal requirements and best practices for issuing credit notes.
Learn about proforma invoices and when to use them. Differences from regular invoices and best practices.
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Important invoicing changes from July 2019. Understand new requirements and their impact on your business operations.
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Understand the Belgian company law reform and its impact. Key changes and implications for businesses.
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International invoicing involves specific requirements. Learn to handle cross-border purchase invoices for proper compliance.
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Thinking of starting a business? Follow our detailed guide to successfully create your company with all the essential steps.
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The delivery note is a key document for tracking deliveries. Discover its importance and how to use it effectively in your business.
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What is an invoice program? Understand features, benefits, and how it differs from basic invoicing tools.
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Master the art of creating professional quotes. Learn legal requirements, best practices, and tips for winning more business.
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Understand the distinction between prospects and clients. Management strategies for each stage of the customer journey.
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Verify intra-community VAT numbers correctly. Tools, procedures, and compliance requirements for EU transactions.
ReadManage your invoicing wherever you are
For over 15 years, we have been offering quality professional service in about ten countries
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."
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."
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."
Services
"Since I started using Flexina, my life has changed. Everything is easier, they update very regularly. They are really super responsive! Thank you"
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."
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."
Optics
"I have been using Flexina since 2016, the software is super simple and very practical. Best wishes to the whole team."
Decoration
"We have been using Flexina for years. Very easy to use and handle. We recommend it."
Environment
"Flexina, top software adapted to SMEs on computer as well as smartphone. Simple software meets business needs"
