Maciej Kowalczyk Doradztwo

69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy

47.91.Z - Retail sale via mail order houses or via Internet

70.22.Z - Business and other management consultancy activities

74.10.Z - Specialised design activities

74.90.Z - Other professional, scientific and technical activities not elsewhere classified

85.51.Z - Out-of-school forms of sports and leisure education