Cleero Blog
Articles about e-invoicing, Peppol and smart entrepreneurship in Belgium.
E-invoicing for non-profits and NPOs: what are the rules?
Non-profit organisations do not always fall under the e-invoicing obligation. Read when it does and does not apply.
Read moreCan I do my own bookkeeping with e-invoicing?
Discover what you can handle yourself as a self-employed professional with invoicing software and when you still need an accountant. Practical advice.
Read moreE-invoicing for liberal professions: architects, consultants and coaches
Liberal professionals such as architects, consultants and coaches are also required to e-invoice via Peppol. Read the rules and exceptions.
Read moreHow to switch from paper invoices to e-invoicing in 5 steps
Switch from paper invoices to e-invoicing via Peppol in 5 simple steps. A practical guide for Belgian self-employed professionals.
Read moreHow much does e-invoicing cost for the self-employed in Belgium?
E-invoicing costs between €3 and €20 per month for self-employed professionals. Discover the prices, the 120% tax deduction and what you need.
Read moreE-invoicing for foreign clients: does the obligation apply?
The Belgian e-invoicing obligation only applies to B2B transactions between Belgian VAT-registered businesses. Read the rules for foreign clients.
Read moreThe difference between UBL, XML and PDF: why a PDF is not an e-invoice
A PDF sent by e-mail is not an e-invoice. Learn the difference between UBL, XML and PDF and why it matters for Belgian businesses.
Read moreWhat if your client is not yet on Peppol?
Not all your clients are on Peppol yet. Find out what you can do when a client is not reachable on the network and who bears the responsibility.
Read moreWhat is a Peppol ID and how do you find your client's?
A Peppol ID is a business's address on the Peppol network. Discover how it works, how to find yours and how to look up your client's.
Read moreWhat are the fines for not sending e-invoices in Belgium?
From April 2026 you risk fines up to €5,000 per quarter if you do not e-invoice via Peppol. Read which penalties apply and how to avoid them.
Read moreSelf-employed as a side business: do you also have to send e-invoices?
As a self-employed person with a side business you also fall under the e-invoicing obligation. Find out when it applies, when it doesn't, and how to get set up quickly.
Read moreWhat must legally appear on a Belgian invoice?
A complete overview of all legally required mentions on a Belgian invoice: VAT number, invoice number, rates and more. Avoid fines and rejections.
Read moreE-invoicing for sole traders in Belgium: everything you need to know
As a sole trader in Belgium, you have been required to send e-invoices via Peppol since 2026. Find out what the obligation entails, which exceptions apply and how to get compliant quickly.
Read more120% tax deduction on invoicing software: how does it work?
Find out how self-employed professionals and small companies in Belgium can deduct 120% of their invoicing software subscription — and how much that actually saves.
Read moreMandatory e-invoicing in Belgium: what do you need to do as a self-employed professional?
Since 1 January 2026, Belgian businesses must send invoices digitally via Peppol. Find out what has changed, who is affected and how to get compliant quickly.
Read moreWhat is Peppol and why do you need it as a Belgian business owner?
Everything you need to know about the Peppol network: what it is, how it works, why Belgium has made it mandatory and how to get started quickly.
Read moreReady to start with e-invoicing?
Try Cleero for free and send your first Peppol invoice in less than 2 minutes.
Start Free