You issue the invoice. We deliver the e-invoice.
Send e-invoices and other e-documents to anyone - bizBox is the largest network, connected to most networks in Europe. Use the free bizBox web app or your accounting system.
We are trusted by more than 18,500 companies of all sizes and industries






































With bizBox, e-invoicing will be easy and worry-free!
Get on with your business and leave the exchange of e-invoices and other e-documents to the bizBox network.
Ease of doing business with e-invoices and other e-documents
Compliance with legislation
Ensure full compliance with current and forthcoming legislation on the exchange of e-invoices between business entities.
Web application
Prepare your e-documents, save time, reduce errors and ensure full compliance with legislation with a simple web app.
Within the accounting system
bizBox integrates with more than 68 ERP software solutions, accounting applications and DMS systems. The solution is tailored to your needs.
eRecipient Directory
Find out if your business partner already accepts e-documents, send them via bizBox and speed up your payments!
Saving time and reducing errors
By eliminating manual data entry and verification, bizBox significantly reduces errors and saves you valuable time.
Secure exchange of e-documents
Ensure secure delivery of your e-documents without the risk of loss, non-delivery or online threats over the largest network.
Learn more about digital transformation
Compliance with the forthcoming law (ZIERDED)
Summaries, timelines and guidelines for preparing for the mandatory exchange of e-invoices between business entities.
Tips and tricks for using e-invoices
Practical guides to using bizBox solutions effectively and best practices in digital business.
18,500 companies are already meeting the upcoming legal requirements.
“I initially issued invoices manually in Word and Excel. When my business partner encouraged me to use e-invoicing, I tried the bizBox web app. It's easy to use and transparent. If I had known that e-invoicing was more affordable than printing and mailing, I would have chosen this solution sooner!”

“In our company, we use bizBox e-invoices in conjunction with Pantheon accounting software, which already has a direct integration with the bizBox platform. This connection makes it much easier for us to send e-invoices, as everything is managed within the programme we use on a daily basis.”
“With the introduction of bizBox services, we have achieved greater automation, reduced the potential for errors in invoice processing and speeded up processes across the Group. At the same time, the platform gives us the flexibility and opportunity to further develop and optimise our business processes in the future.”

“Due to the obligation to send e-invoices to UJP users, I decided to use the bizBox solution. It is a simple tool that greatly simplifies my business and allows me to continue to work seamlessly with my business partners.”

“With bizBox, we can send e-invoices to customers in different countries without any additional adjustments to our systems, while bizBox ensures full compliance with standards and legislation and enables seamless delivery.”

“As we only offer our services to businesses, the introduction of e-invoicing in the company was a necessity. A Croatian customer encouraged us to e-invoice, so we decided to issue e-invoices directly via bizBox for all our customers from now on. The application is easy to use and allows us to send e-invoices quickly and efficiently.”

Frequently asked questions
What is an e-invoice and why use it?
An e-invoice is an electronic invoice that enables fast, secure, and legally compliant business operations. Starting from January 1, 2028, e-invoice exchange will be mandatory for all business entities. Currently, e-invoices are already mandatory for budget users.
Are e-invoices chargeable?
Receiving e-documents is completely free, but sending e-invoices and other e-documents is a paid service – but don’t worry! It’s an affordable solution that’s more cost-effective than traditional printing, enveloping and mailing. Send us an enquiry and we’ll be happy to help you choose the most suitable package for your needs.
How can I send e-invoices to my UJP users?
To send e-invoices to UJP users, you need a solution that supports the e-SLOG standard. bizBox ensures full compliance and ease of use within your chosen system.
What is e-exchange and how does it work?
E-exchange is a digital way of transferring documents between business entities. It works through secure e-routes that enable fast, reliable and traceable communication.
How long does it take to set up an e-invoices system?
Setting up a basic e-invoices solution via the bizBox web interface is quick and usually takes only a few hours. For integrations with ERP systems, the duration depends on your partner and can take from a few hours to a few days.
Where and how can I register to use bizBox?
You can register for the portal on the official bizBox website.
If you encounter a problem during the bizBox registration process, we suggest you check out the following article.
When will e-invoicing be mandatory?
The law, which is expected to come into effect on January 1, 2028, introduces mandatory e-invoice exchange between business entities.
Do I need technical knowledge to use bizBox?
No, you don’t need any special technical knowledge to use bizBox!
The system is designed to be simple and clear, so it’s easy to use even if you’re not a computer expert.
Who can I send my e-invoice to via bizBox?
The bizBox network connects more than 18,500 registered e-invoice recipients. Through the eDirectory, you can quickly and easily check whether your business partner is already registered to receive e-invoices. If they are, you can send e-documents to them securely and reliably.
Where else can I issue my e-invoices?
You can easily issue your e-invoices directly via your accounting or other business application connected to the bizBox system. For a list of all accounting software and other related solutions, please check HERE.