1200 work stations

Over 1200 workstations maintained at clients’ sites and with remote access

500 servers

Our team maintains over 500 servers from in-country clients and this number is continuously increasing

150+ in-country clients

We work with over 150 clients in Serbia

300 network equipment

Certified engineers maintain over 300 different network devices and several hardware producers

About us

About IT4BIZ D.O.O.

IT4BIZ was founded in 2005 as a company providing a full range of IT services to the clients

We are a fast growing, Serbian company which implements high-tech IT solutions. We use new technologies and help clients with IT services we offer. We have over 250 satisfied customers in Serbia and abroad. In order to satisfy our client’s demands and provide the best service possible, we hire only first class experts in the field.

We are proud of all we have achieved so far by serving small and medium enterprises. In the past years we developed a reputation through integrity and results. We invest in our people, in their education and qualifications, and our clients trust us.



Our team

Security in our hands

The functionality of the system is dependent on a solid base. We are here to provide you with it.

Services we offer

In the past years we specialized in...

IT infrastructure maintenance

Flawless functioning of IT infrastructure is a condition for stable and effective business operation. WE will offer you a specific model based on the size of your company. The standard maintenance means IT experts regular and special visits, guaranteed response time for all urgent callouts, maintenance of technical documentation, consultations for the purchase of computer and telecommunication equipment and software, 24×7 monitoring of the servers and network infrastructure, call center…

Computer network

We offer design, implementation, protection and maintenance. Proper implementation and structured cabling are a prerequisite for the flawless functioning and network extension. It is much easier to maintain a properly cabled network, while the safety of the computer network and its monitoring is of great importance for the normal functioning of the IT infrastructure.

Maintenance of CISCO equipment

We maintain the following CISCO equipment: Layer 2/3 switch, Ruter, Security appliances, CMITS. We offer a 24×7 support over the phone and email and monitoring for the above-named equipment, as well as a ticketing system for recording problem histories, consultations during equipment purchase, design and implementation of solutions.

IT Security

IT4Biz offers expertise in the area of computer system protection and security. The services that we offer in this area are: current system analysis, penetration testing, design and implementation of systems with high-level protection, staff training in the area of implementation of security measures, consulting in the area of security policy.

Advanced systems

IT4Biz offers design, implementation and maintenance of advanced systems. We offer solutions for web sites which need high accessibility (99,99%) as well as vertical scaling. These kinds of systems are meant for websites which have a high number of users or highly demanding content.


We offer help with the purchase of equipment, the selection of IT systems or other software, IT policy design, as well as implementation of safety solutions for network equipment, servers, and work stations. We also offer biometric implementation, back-up strategy definition, safety checks and attack simulations from internal and external environments, testing on all levels.

They all trust us!

Our clients →

24x7 system monitoring

We formed a center which works 24×7, 365 days a year. IT4Biz SysView is a service meant for server monitoring, server service, database and other server processes.

Besides Unix engineers who are responsible for monitoring, we also have Microsoft engineers as well as technical support for clients operational systems.

SLA guarantess availability and performance on service-application levels. The 24×7 monitoring and advanced support initiate the service and offer support for better results.

On-site business process outsourcing (BPO)

On-site service means that your operations are at your location, while the engineers from IT4Biz are managing it. We provide you with an individual from IT4Biz who is supported by our entire enterprise.

You secure yourself better control and improved process efficiency by this choice. The experienced IT4Biz team finds the best business process solution for implementation in your company.

Furthermore, On-site service means your business process monitoring 24×7, 365 days in a year. A whole team of engineers is behind this service and is at your disposal to solve any problems or irregularities.

As a Single point of Contact, IT4Biz allows you to leave maintenance for your entire IT infrastructure in our hands while still being totally integrated in all elements of your operation

Cloud enablement

Cloud enablement is one of the key processes in Cloud integration where pieces or the entire IT infrastructure within the enterprise are relocated to secure Cloud platforms.


Our task is to make the transfer to the Cloud environment an effective, secure and above all, a reliable solution. We do this with our experience and knowledge of the Cloud resources that we have.


In order to succeed in this we use the highest quality equipment which is located in three data centers in Serbia. This enables us to respond to the most complex requests and to create unique solutions that meet the clients’ needs.

Our team of experienced engineers leads complete transition process to the cloud platform.

Enterprise Cloud

Highest performance Platform for enterprises and mission critical needs

This platform is designed for any size enterprises which need reliable, fast and safe platforms for starting their business.

The platform design is based on our (IT4Biz and Mainstream)  years of experience as a market leader in advanced on-line system hosting.

The technical platform is based on VMware, Hyper-V, Cisco ACI, Citrix Netscaler, NetApp, 3PAR systems. We can support most of the enterprise ready systems (all Microsoft services, Oracle, SAP, Sybase and etc)

SLA guarantees the availability and performance on the service/application level. 24×7 monitoring and advanced support initiate the service and offer support for better results.

Think this is the service you need? Contact us →

Contact us →

Clients testimony

  • We are proud to have a longstanding and successful cooperation with IT4Biz. We are happy with the service and the relationship we have with them, because we look at this as a cooperation between partners, rather than a business relationship.

    Ivan Milanovic Dipl. Ing
    IT Manager BelMedic Opsta Bolnica BelMedic Opšta Bolnica
  • Mainstream offers excellent managed hosting services for companies and web sites in need for high availability and performance. Fast and effective reaction in any situation and great team of experts, make Mainstream one of our most valuable partners.

    Bojan Lekovic
    CEO KupujemProdajem.com KupujemProdajem.com
  • For more then 3 years IT4Biz takes care of Burek forum and its 1.7 million users. From the first day we have conquered challenges together and had excellent communication. With this level of quality support, we are free to focus our attention to growing our business.

    Ivan Minic
    CEO Burek.com Burek.com


Just some of our clients:

One point of contant

In order to provide best quality service, we partner with largest world vendors!



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