E-invoices are becoming a legal obligation for all taxpayers in Croatia.

Find out how ZZI with the bizBox solution – a certified service provider of the Tax Administration of the Republic of Croatia – enables complete legal compliance and stress-free process automation.

Untitled design 7 e1760707394851

E-invoices are coming for all B2B transactions — are you ready?

From January 1, 2026, all taxpayers in Croatia will be required to issue and receive e-invoices in accordance with the Fiscalization and Electronic Reporting Act .

bizBox - A reliable solution for e-invoices

bizBox enables simple, secure and legally compliant sending, receiving and archiving of e-invoices, as well as connecting with partners throughout the entire fiscal and reporting process.

ZZI doo – certified information intermediary

The company ZZI doo with the bizBox solution has been officially included in the list of certified information intermediaries of the Tax Administration of the Republic of Croatia.

Why e-invoices?

Even if the law does not prescribe it, e-invoices have numerous advantages. They bring efficiency, security and accuracy – without paper, errors and wasted time. With e-invoices, invoices arrive faster, payments come earlier and cash flow becomes more stable.

compliance with legislation

With e-invoices, you are always in compliance with the law – without worrying about regulations and deadlines.

Save time and make fewer mistakes

E-invoices automate processes and eliminate manual data entry, thereby reducing the possibility of error and saving valuable time.

Cost reduction

Reduce labor costs associated with issuing, receiving, and posting invoices. E-invoices eliminate paper and postage costs and significantly reduce the cost of archiving.

Faster payments

An e-invoice tracking system ensures that invoices don't go unnoticed, thereby shortening payment deadlines and improving your company's cash flow.

Greater security

Prevent risks like account loss, incorrect addresses, and security threats posed by traditional or electronic mail.

Simple overview

You can easily view all sent and received e-invoices in one place, which increases transparency and improves business organization.

Prevent loss or deletion of documentation

Instead of expensive archive spaces or external storage, bizBox enables secure and legally compliant electronic storage of all documents.

Switch your business to e-invoices!

bizBox makes sure your e-invoices and e-documents get where they need to go – legally, reliably, and without any extra work for you.
Use the free bizBox web application or your existing accounting system – the choice is yours.

Frequently asked questions about e-invoices and bizBox

From January 1, 2026, all taxpayers in Croatia will be required to issue and receive e-invoices in accordance with the Fiscalization and Electronic Reporting Act .
ZZI with the bizBox solution is already an officially certified service provider on the Tax Administration’s list and is fully ready to implement the new regulations.

This means that ZZI doo (OIB 98034145705) , with the bizBox solution, is officially listed on the list of certified information intermediaries of the Tax Administration of the Republic of Croatia.
bizBox users can safely and legally send, receive and fiscalize e-invoices — without additional steps or risks.

Yes. bizBox automatically fiscalizes and archives e-invoices in accordance with regulations.
Data is securely exchanged with the Tax Administration, and users can monitor the status of their documents at any time through the web application.

Don’t worry. If the email came from an address like “moj-eRačun” or similar senders that ask for confirmation without your request , these are deceptive messages .

bizBox never asks for confirmation via e-mail and does not use marketing gimmicks .
All official communication comes exclusively from the bizBox.eu domain and is always clear, transparent and in accordance with the law .

No. Enrollment in AMS (Agency for Meta-Systems) without the user’s explicit consent is not permitted.
Each company decides for itself who will be its information intermediary for receiving and sending e-invoices.

bizBox believes in a fair and transparent approach , so we log into the AMS system solely based on your clear consent – never automatically and never without your knowledge.

Check if the service provider is listed by the Tax Administration of the Republic of Croatia .
bizBox, which operates under ZZI doo (OIB 98034145705) , is on the official list of certified intermediaries – which guarantees legal compliance, security and data protection.

Registration is free and includes 20 free e-invoices per year .
You can then choose an annual package according to your needs — with no long-term commitments and no hidden costs.

No, you don’t need any special technical knowledge to use bizBox!
The system is simple and clear, so you can use it without difficulty – even if you are not an IT expert.

You can use bizBox via a web application or directly within the accounting system (ERP) you already use – everything works automatically and without complicated settings.

With bizBox, you can send e-invoices to all Croatian companies that are taxpayers and will be required to receive e-invoices by law from January 1, 2026 .

In addition, bizBox allows you to send and exchange e-invoices and other e-documents across Europe and the region – including the Balkan countries and the entire PEPPOL network .

One solution, one network – connected business without borders.

Because bizBox is more than just an e-invoice – it covers all documents, connects all of Europe, and brings 30 years of experience in digital business.
With transparent prices, honest support and the widest EDI network in the region.