The company Fonon Sp. z o. o. specializes in the design, construction and maintenance of telecommunications networks and the integration of various types of networks with particular emphasis on broadband networks. We provide all services comprehensively, starting from creating a concept image, through the preparation of complete design documentation, along with obtaining all the legally required arrangements, approvals, opinions, decisions, obtaining decisions on the right to build or not objecting to the construction notification, up to the construction of the network and preparation of as-built documentation . We also offer maintenance of telecommunications networks by professional service technicians as well as development and implementation of service instructions. We have our own proprietary procedures and solutions.

Broadband network integrator

Fonon Sp. z o. o. belongs to the WASKO Capital Group, which consists of complementary entities with various specializations. This ensures synergy and the possibility of using the latest ICT technologies. As an integrator of broadband networks and other telecommunications networks, we implement projects both for the needs of companies from the WASKO Capital Group as well as commercial and state entities. The facilities of the WASKO Capital Group, based on stable financial bases and constantly growing expert base, enable FONON to undertake the implementation of the largest, most difficult and most compiled investments.

Mission of the company

Fonon Sp. z o. o. belongs to the WASKO Capital Group, which consists of complementary entities with various specializations. This ensures synergy and the possibility of using the latest ICT technologies. As an integrator of broadband networks and other telecommunications networks, we implement projects both for the needs of companies from the WASKO Capital Group as well as commercial and state entities. The facilities of the WASKO Capital Group, based on stable financial bases and constantly growing expert base, enable FONON to undertake the implementation of the largest, most difficult and most compiled investments.

Company authorities

Włodzimierz Sosnowski
Chairman of the Board

He has been associated with the WASKO Capital Group since 1999, where he started working as a computer systems analyst, then from 2005 as the Deputy Director of the Sales Department, and then from 2007 as the Director of the Warsaw WASKO S.A. Branch..


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Włodzimierz Sosnowski

Włodzimierz Sosnowski has many years of professional experience in building and managing sales teams, creating and implementing sales strategies, acquiring new customers and selling services and solutions to customers in the public, telecommunications, industry and transport sectors. He is responsible for winning the largest contracts carried out by WASKO S.A.

Currently, he is a Member of the Management Board and Director of the WASKO Warszawa Branch and the President of the Management Board of FONON Sp. z  o.o., which is a subsidiary of WASKO S.A.

Andrzej Stróż
Member of the Board

Andrzej Stróż is a graduate of the Silesian University of Technology in Gliwice, which he graduated from the Faculty of Automatic Control, Electronics and Computer Science in the field of Electronics and Telecommunications with a specialization in telecommunications, obtaining in 2000 a master's degree in electronics and telecommunications.

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Andrzej Stróż

In 2010, he completed post-graduate MBA studies at the Polish-American Business School at the Krakow University of Technology, organized jointly with Central Connecticut State University. From 1999 associated with the telecommunications industry. He started his career at Telekomunikacja Polska SA, then he worked at Exatel SA and Multimedia Polska SA, where he performed, among others Director of the Department of Network Maintenance and Operation. He has been associated with the WASKO Capital Group since 2010, conducting fiber optic network construction projects with a total value of over PLN 300 million and a range of over 3,000 km, working successively as the Director of the Backbone Network Sector, Director of the Broadband Networks Division and Deputy Director of the Telecommunications Department. From 29-01-2018 he is a Member of the Management Board and Project Director at FONON Sp. z o. o.

Dariusz Madej
Member of the Board

A graduate of the Technical University of Radom, which he graduated from the Department of Transport and Electrical Engineering in the field of ‘Automation and Computer Science’ and ‘Computer Science and Telecommunications’. In 2005, he obtained a master's degree in ‘Automation and Telecommunications’ engineering.

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Dariusz Madej

In 2015 he completed post-graduate studies at Kozminski University in Warsaw in the field of “Project Management according to Prince 2”.
Since 1980, he has been related to the telecommunications industry. He started his professional career in Radom Telephone Manufacturing Company – military production. Since 1985 he has been working in the railway telecommunication division of PKP until 2017, while working from the position of a fitter to a Member of the Management Board for operational matters of PKP. The next year he worked for Construction Engineering Enterprise KOPACKI Sp. z o. o. as a telecommunications advisor. He has been associated with the WASKO Capital Group since October 2018 on the position of the Board’s Representative in the company FONON, which is executing the construction of GSM-R network for PKP. Since 02-07-2020 Member of the Management Board of FONON Sp. z o. o. He hold many certificates (DGT NetCRR, PYRYLANDIA, KRSC, SAMSUNG Techwin) and security clearances (access to confidential information, protection of classified information of the European Union, European Space Agency, North Atlantic Treaty Organisation).