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We design and develop business‑critical applications that cannot be bought off the shelf.

The answer to companies’ critical data driven challenges are personalized client‑centric solutions created with passion for technology and innovation.


Clients experience trust and growth with our unique approach.

We use model and test driven development, orchestration and Dockers, big data and machine learning where it is applicable. To lower customer's risk we offer turn-key solution at a fixed price. Uniquely we offer the same team across different industries insuring that the references you see are from the team you get. We made this possible through strict standardization of development methodology across the projects and developers.

Medius strives to drive impact and inspire our clients to achieve competitive advantage and excellence through innovation.

With supreme innovation we bring you first-class consulting and development expertise, leveraging years of experience to achieve that in a secure and effective way. There is no problem too difficult for us to tackle and we love the most challenging projects.

Delivering error-free system operation by applying science is Medius prime goal.

Our industry-defying solutions have a proven record using modern technology, state-of-the-art and cross-industry insights, which ensures that each client stays ahead of their competition.

Our clients receive the best service possible, resulting in 100% customer retention rate.

Our vision is to be Europe’s most client-centric innovative research and technology partner. With our clients we build solutions for the most difficult challenges to stay ahead of their competition.


Petar Brajak

Founder and CTO
MSc in Computer Science, Columbia University

Medius is the realization of Peter's dreams. Undeniably still the alpha and omega of the company, he acts as an innovation leader and architect, fulfilling his long-lived passion for learning, technology, development, and leadership.


Estera Brajak

Founder and CEO
MBA and MSc in Civil Engineering, University of Rijeka

Estera is a co-founder of Medius who has passionately managed the company since 2002. She is responsible for financial stability and supporting the team to fearlessly spread its wings and implement victorious ideas.


Viktor Brajak

Co-owner and COO
BSc in Computer Science, the University of Ljubljana

As a COO Viktor leads the company's key operations. He is the present and future of the company, devoting his efforts to the realization of Medius' vision of being the region's leader in offering cutting-edge technologies. He co-founded and acts as a technical advisor at Blocksquare and co-founded a venture capital firm Suricate Ventures.

The most important thing is to inspire people so that they can be great in whatever they want to do.

Being a people-centric company means realizing your greatest asset is employee satisfaction and knowledge.


Years of Innovation


Inspired Individuals


Java & Open Source Certificates


Data science specialists

There is no power for change greater than a community discovering what it cares about.

At Medius everyone is included and welcome to contribute, share ideas and create value. Our culture is nurturing top talent and making sure that people love coming to work. Team spirit is at the core of our priorities. At Medius we also care about the community we are in. From being a finalist of “Zlata nit”—best Slovenian employer award to giving back to the community with different activities and contributions.

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    GO Digital - The best Digital project of 2023

    Ljubljana, Slovenia
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    United Nations - Best Global IT Solution Award

    New York, USA
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    TM Forum - Opeartion Excellence Award

    Nice, France
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    EuroCloud - Best Cloud Service by Startup

    Bucharest, Romania
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    CV Competition - Best Blockchain Startup

    Zug, Switzerland
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    EUREKA-ITEA Silver for EU Agile Project Achievement Award

    Kortrijk, Belgium
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    Slovenian National Innovation Awards - Bronze Medal

    Ljubljana, Slovenia

    We are a company you can trust.



    Platinum Creditworthiness Rating 2023


    ISO 9001:2015

    Quality Management




    CompanyMedius Inc.
    AddressTehnološki park 21

    1000 LjubljanaSlovenia

    Phone+386 8 2001 831
    Administration Emailinfo@medius.si
    Transaction NumberSI56 0201 8009 0866 555
    VAT id SI 55773567
    Registration Number1685325

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