Twenty-two 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.

Cost-efficiency

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.

Transparency

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.

Possehl since 1847. Mono since 2003. Partners since 2023.

Revenue
€8.4 bn
Employees
13,500
Divisions across more than 30 countries
10

Figures from possehl.de and the Possehl Group Annual Report 2025.

Lucija Glavaš talking at design meetup

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.

Scholarships

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.

Students at a lecture in a Mono classroom
A lecturer at the whiteboard during a student internship

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.

Mihael Tomić, president of Osijek Software City, speaking at an OSC event

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 than 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.

Proud of being recognized by

  1. 2023 Top 7 by EY Entrepreneur of the Year Award
  2. 2021 and 2022 Top Croatian company based on financial performance
  3. 2021 Clutch 1000 for the top 1% of companies
  4. 2012, 2015, 2016, 2018 and 2020 5 x Zlatna kuna award for the top company in the Osijek-Baranja County
  5. 2014/2015 European Business Awards
  6. 2013 Deloitte Technology Fast 50 in Central Europe

Board members

Denis Sušac, CEO

Denis Sušac

CEO & co-founder

Žarko Gajić, Co-founder

Žarko Gajić

Co-founder

Kristijan Horvat, Co-founder

Kristijan Horvat

Co-founder

Jasmin Muharemović, Co-founder

Jasmin Muharemović

Co-founder

Book a free consultation

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