Pawel Maria Jagus

Qumak SA provides information technology solutions for the telecommunications, healthcare, military, and financial industries. It operates through the following segments: IT Integration & Cyber Security, Intelligent Infrastructure, Outsourcing, and Business Application & Dedicated Solutions. The IT Integration & Cyber Security segment provides solutions for the design and implementation of the communications, security, and data access systems. The Intelligent Infrastructure segment offers building automation systems for museums, science centers, and education facilities. The Outsourcing segment engages in the IT service desk and consulting outsourcing. The Business Application & Dedicated Solutions segment creates and implements IT systems based on service and process architecture for the management as well as monitoring of business activities. The company was founded in 1988 and is headquartered in Warsaw, Poland.

ES-SYSTEM SA engages in the design, development, manufacture and sale of light-emitting diode lighting solutions for architectural, industrial, commercial, and urban environments. It products include profiles and structures, linear, troffers, downlights, plafonds and sconces, decorative, increased IP, high bay, and trunking and track indoor lighting; road, park, floodlights, illumination, landscape, and general types of outdoor lightning; and emergency lighting. The company was founded by Bozena Ciupinska, Jacek Wysocki, and Boguslaw Pilszczek in 1990 and is headquartered in Kraków, Poland.

Part of White Stone Development Sp zoo, Maat4 Sp zoo invests in data centers, electric power, telecommunications, and security systems. The company is based in Warsaw, Poland. Pawel Maria Jagus has been the CEO of the Polish company since 2017. Maat4 was acquired by White Stone Development Sp zoo on August 31, 2021.