3FB MARIUSZ SIEKIERSKI was established on 2013-01-02 and is currently located at UL. AFRYKAŃSKA 379, PL-03-966, WARSZAWA. The main activity of the company is management consulting services. Other activities carried out by the company include administrative office services, advertising services, food and beverage services, hotels and similar accommodation facilities, leasing of other machinery and equipment, leasing of recreational equipment, market research and public opinion research, non-school education services, organisation of fairs, exhibitions and congresses, restaurants and catering establishments, software services, storage of gaseous fuels, support services for transport, various accommodation. As per the latest entry in the Central Register and Information on Economic Activity, the current management board of the company comprises 1 individual(s).