About us

Get to know us

Who we are

MDDV means quality IT services

MDDV provides IT consulting, support, management and security to small, medium and large companies. MDDV combines two companies, MD Software and Devtek, that have been active on the market since 2005 and joined forces to complement their experience and competence. This idea combined with the passion of Paweł and Mariusz are the foundation of the business.

The true quality of IT services is based on their complementary knowledge, experience and synergy of their resources that contribute to the success of a project, organization or new company.

Two heads are better than one. We know how to handle IT.

Mariusz Dalewski, Chief Executive Officer, Co-Owner:

“When we merged our companies, we also combined our competencies competence to create a more comprehensive and flexible portfolio. Such approach led to minimizing the risk in our Clients’ projects.”

Security auditor, administrator.

He studied IT at the Polish-Japanese Institute of Information Technology in Warsaw. He handles post-incident analysis, penetration tests, IT security audits and administration.

In his free time, he is a huge fan of TV series.

Paweł Ufnalewski, Chief Technology Officer, Co-Owner:

“We’ve combined security, support, consulting and management to create sets of dedicated solutions tailored to local and international Clients. Thanks to our experience in business-specific projects, we’ve developed IT solutions based on the needs and uniqueness of each sector.”

Infrastructure architect, administrator.

Master’s degree in IT at the Polish-Japanese Institute of Information Technology in Warsaw. Responsible for designing and implementing highly available environments based on Linux and Windows systems.
After works he’s a major fooding enthusiast.

How we work

The strength of our company comes from our satisfied employees and strong team, thus we do our best to develop our employees’ knowledge and experience.

We believe that quality and satisfaction requires harmony and balance between work and leisure time. We continuously extend our benefits program.

We want to be sure that our employees know their role and feel valued in our team.

Satisfied Clients

Managed servers

Supported users

Handled traffic [Mbps]

Processed tickets

Cups of coffee

How we work

We focus on close and long-term relations with Customers

Building long-lasting and lose relations with Customers helps us better understand their needs and adapt to their rhythm and working style. In the long run, we become our Client’s partners and even very complex projects run smoothly and effectively.

We successfully cooperate with large, medium and small organizations. We focus on the individual needs of every single Client. We provide a professional and dedicated team of specialists to ensure the security of projects.


Over 500 companies have already entrusted us with their IT resources in terms of security, management, support and consulting


We are proud to cooperate with:

You may find us here

MDDV is located in Saska Kępa – a picturesque, green and vibrant residential area in Warsaw. We are surrounded by many cafés, bistros and restaurants from all over the world. The location offers comfortable and direct access from key points in the city.