Oskar Marek Kowalewski

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.

WinVentures Sp zoo SKA (WinVentures) is a private equity and venture capital firm founded in 2013. The firm is headquartered in Warsaw, Poland.

Navi Group SA provides web hosting services and offers knowledge database and live chat support. The private company is based in Wroclaw, Poland. The Polish company also provides backup and data protection services for up to 28 days. Additionally, Navi Group offers product photography services for online stores. Navi Group was acquired by HOIST Kredit AB on November 10, 2014.

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.

Polski Instytut Nadzoru Korpracyjnego engaged in the analyses of ownership supervision in corporate entities. The company was founded by Eytan Dahan and Oskar Kowalewski in 2010 and was headquartered in Radzymin, Poland.