Fiscalization 2.0: Extreme IT webshops—fully compliant from January 1, 2026
As of January 1, 2026, Fiscalization 2.0 comes into force in the Republic of Croatia, introducing major changes in the way invoices are issued, fiscalized, and...
Digital agency for
web development
We provide a complete service for your online business. We advise, plan, design, develop, promote and lead your online business to the pinnacle of success !
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Our services
Why choose Extreme IT ?
Extreme IT is a company that has a completely different customer relationship from competing companies. We develop our own web business solutions tailored exactly to your needs.
Extreme CMS
Content management system
We are one of the few companies that does not use ready-made solutions for creating CMS pages. We have developed our own Extreme CMS system that is fully modular, upgradeable and most importantly secure. The pages in which the Extreme CMS system is built-in can satisfy even the most demanding clients.
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Extreme web shop
You manage a web store independently
Extreme IT company does not use the system of ready-made web shop solutions. Our experts, developers and designers have developed their own web store system that is secure, modular and upgradeable. We are ready to accept all challenges and successfully implement the most demanding projects and meet the needs of each client.
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Automatic invoice fiscalization
System for automatic fiscal invoices
We are the first company in Croatia to develop its own system of integrated automatic fiscalization of accounts for web stores. We have saved time and money for many companies in Croatia when account fiscalization is mandatory on web stores. From now on, you can issue fiscalized invoices directly through the web store.
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xHosting.HR
Cloud Hosting, VPS servers and business emails
In record time, we became a brand in Croatia in the field of hosting, with a lot of desire, a lot of effort and trust of our current and future users, we have created one of the leading hosting companies in Croatia. xHosting.HR is owned by Extreme IT.
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In just a few steps to a successful project!
Our team of experts will go through all phases of the project with you and make an initial assessment of the cost and time required for the implementation of the project.
Project introduction
Every project will be planned with you. The success of the project is multiplied if experts with experience participate in the project.
Design
A sketch of a page or web store is made, designed and drawn, where the client will see the future look and concept of the home page or shop.
Development
Our team of professionals and experts will start developing and programming pages or web shops.
Project realization
The last phase is the realization of the project itself, after the project is approved by you, the realization and publication of the project online starts.
12
Years of successful business
320+
Successfully realized project
1170+
Satisfied customers
2.5M+
Products sold through our systems
Featured projects we are proud of !
Projects we worked on from the very beginning of the idea until the realization of a successful project.
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Professional web presence – the foundation of success in the digital world
In today’s digital landscape, a website is more than just a business card—it’s the hub of your communication, sales, and brand recognition. Extreme IT specializ...