Piotr Mikolaj Wisniewski

Dom Maklerski W Investments SA provides investment services. It operates as a broker for share issuers. The company was founded on April 13, 2010 and is headquartered in Warsaw, Poland.

OneFone SA provides telecommunications services. It operates and maintains broadband optical fiber infrastructure network. The company was founded on March 27, 2015 and is headquartered in Wroclaw, Poland.

BSS Poland SA engages in the development of an information exchange system. It offers STREAM solution, mobile payment solutions, consulting services in the field of self-service banking and electronic payments, traffic measurement and analysis systems, and other services. The company was founded in 2011 and is headquartered in Warsaw, Poland.

Internet Group SA is a holding company that is engaged in the development of greenfield projects, private equity, and venture capital. It is also involved in telecommunications, financial services, energy sector, and real estate. It operates through the following segments: Greenfield Projects, Private Equity/Venture Capital (PE/VC) investments, and Financial Services. The company was founded on December 21, 1995 and is headquartered in Warsaw, Poland.

Cool Marketing SA engages in the provision of advertising services. The company was founded by Edyta Anna Rataszewska in 1999 and is headquartered in Warsaw, Poland.