The owner of the Atman brand, the leader in the data center market, an experienced Polish telecommunications operator.
Logo GPW

Atman is a trade name belonging to the Polish corporation ATM S.A. (listed on the Warsaw Stock Exchange since 2004), which provides services of vital importance for large and small businesses in many sectors of the economy. We are successfully meeting firms’ increasing communication needs in the field of IT outsourcing.

The high quality of our services is achieved thanks to the most advanced data center infrastructure and the wealth of experience acquired by our technical team over many years in serving the largest businesses and government institutions. Our quality management and information security systems comply with the ISO 9001:2015 and ISO/IEC 27001:2013 standards, as certified by the British Standards Institution.

Secure and uninterrupted access to data, based on the latest technologies, is Atman’s cornerstone. We are able to provide all of this thanks to our 25 years of experience in providing services to the largest corporations in the financial, telecommunications, industrial and public sectors, as well as in e-commerce.

Our mission
We are here to provide you with uninterrupted access to data
What makes us stand out
  • We are experts in telecommunications and data security.
  • We were the first company in Poland to offer Internet services to business customers.
  • Since 1991 we have been constantly raising our standards in the storage, processing, securing and transmission of data.
  • The high quality of our services represents a guarantee of stability, so that you can focus on developing your business without worrying about the continuity of its operations.
  • Our data centers, with total space of 13,600 square meters, are among the most advanced in Europe.
  • We have our own fiber-optic network linking Poland’s main business centers, and are the only Polish operator to have a presence at several major European telecommunication hubs.
  • For our customers, this means the ability to develop their business without limitation, as we can always deliver the necessary infrastructure.
  • Atman not only provides services, but also advises on how to optimize IT costs while ensuring business continuity in an era of increasing numbers of threats.
  • Over 25 years working with the largest and most demanding organizations, we have acquired high skills and standards and the ability to cope in difficult situations requiring an immediate response.
  • All this is a resource that your business can make use of today.
What defines us
Honest and reliable partner

We are experts in long-term relationships. We value partnership and long-term relationships within the company and as part of cooperation with our clients and suppliers.

Knowledge and experience

For 25 years our clients have benefited from knowledge and experience of our technical experts. We are well-known for individualised approach and keeping promises.

Top quality of services

This assumption is a foundation of our business. On the level of the design and development of our infrastructure, as well as in all everyday activities we endeavour to ensure the highest level of accessibility and quality of our telecommunications services.

Our values

We act as a team, always willing to help each other and share knowledge. We attach importance to good relations and a good atmosphere, and we trust one another.

The Customer

Customers are the most important. We strive to ensure their satisfaction and to meet all of their requirements. We are open to their needs, and we are flexible in designing solutions.


We are open to others and to new ideas and changes. We treat our customers and colleagues in a respectful and friendly manner. We aim to ensure good long-term relations. We always act honestly.


We are leaders, and we take a modern approach. We work creatively on delivering the solutions that the market expects. We are eager to improve our skills and abilities, and we use the knowledge we acquire to develop our business.


We are a team of professionals who use their knowledge and experience to provide services to the highest standards. We work with commitment, conscientiously and responsibly. We keep promises. We attach importance to quality, reliability, timeliness, security and continuity of service.


We are aware of our corporate goals and work together to achieve them, giving them priority over the goals of individuals or teams. We believe in success, and act with determination to achieve it. We attach importance to constancy and seeing matters through to a successful conclusion. We use resources effectively to achieve the desired results. We pay attention to our organization’s results and strive to increase its value. Every team and every employee work to optimize costs and to increase revenue and margins.

Development of our business
Atman development timeline
ATM S.A. Management Board
Sławomir Koszołko
President of the Management Board

Sławomir Koszołko has been engaged in the telecommunications industry and the sector of data center services for nearly 20 years.

He began his professional career in 1997 at Arthur Andersen, a consulting firm. Since the very beginning he worked mainly for telecommunications sector clients in the capacity of a consultant. In 2001 he began to work at the position of a Manager in charge of the regulation, strategy and development areas at Energis Polska, an operator entering the Polish market. In 2006, after Energis Polska had been taken over by GTS Polska, he got engaged professionally in a newly formed integrated firm, where he worked until 2014. For most of the time, at first at GTS Energis, and thereafter at GTS Polska, he worked at the position of Strategy and Marketing Director. After the integration of GTS Polska with T-Mobile Polska, from October 2015 to May 2017, he worked at T-Mobile Polska where, in the capacity of Department Director, he was initially in charge of the marketing and business development areas in the business client segment, and during the last year - the corporate strategy of the entire firm. Sławomir Koszołko obtained his master’s degree at the Warsaw School of Economics at the Faculty of Finance and Banking. Moreover, he graduated from the Manchester Business School obtaining the MBA degree.

Sławomir Koszołko picture
Tomasz Galas picture
Tomasz Galas
Vice President of the Management Board

Tomasz Galas has managed technology companies for 18 years. In 1996 he started to work as a manager in the company ZWUT owned by Siemens. For two years from 1997, he worked for Telepage, where he managed financial processes and the restructuring of the company as Finance Director.

In 2001 he started cooperation with GTS Central Europe Group (now part of T-Mobile portfolio), where he participated in the creation and management of Internet Partners. In the following years he carried out the takeover and integration of Energis-Polska, managing the finances of the newly created GTS Energis. In 2007–2008 he held the position of CEO managing the business processes of the Group in Ukraine. In 2008 he became Chief Financial Officer to plan the strategy and coordinate the growth of the company's business whose turnover was over 470 m PLN. As a graduate of Electronics Department at Warsaw University of Technology, he has an engineering degree, and he graduated from the Business School of Warsaw University of Technology cooperating with the London Business School, gaining the diploma of Master of Science in Business.

Shareholders of ATM S.A.
ATM S.A. is a Polish public company. Since September 2004, our shares are quoted at the Warsaw Stock Exchange (as ATM).
ShareholderNo of sharesNo of votes% votes
MCI.PrivateVentures FIZ* 34,339,567 34,339,567 94.49
Other shareholders 2,003,777 2,003,777 5.51
Total 36,343,344 36,343,344 100.00
*) Jointly with its subsidiaries. Number of shares as of 28 September, 2018, according to the notification.
For more information please visit investor relations website of ATM S.A. at
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