Twenty-one years of top-quality software.

Starting all the way back in 2003, we have grown to become one of the leading software development companies in Croatia. We let our work speak for itself, and it has made quite a noise all around the world.
Mono building on a sunny day

One-stop service

Consulting, requirements gathering and analysis, functional specification, architectural design, user experience and user interface design, development, testing, deployment, and, finally, maintenance and support – we’ve got it all covered.


Custom software development doesn’t need to break the bank. Our engineers boast high education and great work ethics, as well as advanced programming abilities and English language skills. They get the job done, but without costing you a fortune.

Simple & Effective Solutions

We don't overcomplicate. Even if the technology and processes behind the scene are very complex, our solutions are simple to use and understand..

High Quality

We build reliable software. Our team of testers controls the behavior and performance of all products. We follow Continuous Integration practices that allow us to move fast while keeping high-quality standards that are checked automatically.

Mono team on the first floor chatting
Project manager explaining features at the office meeting

Honest Communication

We communicate clearly and openly, without hiding any information, regardless of its nature so that our clients can trust us to act in their best interests at all times.


Our products are consistently delivered on time and within budget. Dedicated project management teams monitor all activities and report them back to the client, ensuring that every minute spent on the project is accounted for.

Member of Possehl Group

Possehl is a diversified, globally active technology group. With around 13,200 employees in more than 30 countries, it generates consolidated sales of more than 5B EUR. This makes the Possehl Group one of the most important privately managed companies in Germany. The name “Possehl” stands for entrepreneurship, diversity, innovation, and responsibility – and has done so for almost 175 years. Sharing the same values and goals, Mono joined forces with Possehl in 2023.

More information
possehl Digital Logotype

More than Mono

It is more than just our company. It is about building and growing the entire IT community.

Through collaboration with IT companies and educational institutions, knowledge sharing and creating job opportunities, Mono focuses on leveraging the major potential noticed in this region, its people and their talent.

Lucija Glavaš talking at design meetup


We are awarding and promoting excellence in our youngest colleagues. Through financial support, mentorship, practical projects for training, and a place at our company, we help the best students reach their full potential.

Fintech solution for reward programme
Lucija Glavaš talking at design meetup

Student Internships

In the time span of about five weeks, students get a chance to see what it really means to work for a software development company and develop necessary technical, as well as soft skills.

With organized free lectures held by our own employees with years of experience in the field, we not only transfer knowledge and teach how to work on a project, but give the best applicants a chance for a job at Mono.

Osijek Software City

Along with other member companies of Osijek Software City, we have been engaged in presenting the IT world to the entire community for more that 10 years by providing education, support and guidance on a path to a career in IT.

As one of the IT pioneers in Croatia, we are focused on building a growth and development center for IT companies big and small, which will inevitably attract more investors and affect the entire region.

Two develpers sitting in the building

Proud of being recognized by

Zlatna kuna
Top 7 by EY Entrepreneur of the Year Award, 2023
Zlatna bilanca
Top Croatian company based on financial performance, 2021 and 2022
Zlatna kuna
Zlatna kuna award for the top company in the Osijek-Baranja County
Clutch 1000 for the top 1% of companies, 2021
Deloitte Technology Fast 50 in Central Europe, 2013
European Business Awards
European Business Awards, 2014/2015

Board members

Denis Sušac, CEO

Denis Sušac

CEO & Co-Founder

Žarko Gajić, Co-founder

Žarko Gajić


Kristijan Horvat, Co-founder

Kristijan Horvat


Jasmin Muharemović, Co-founder

Jasmin Muharemović


Book a free consultation

Let us know what would you like to do. We will probably have some ideas on how to do it.