Joanna Sosnowska-Szelest

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

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

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.09.Z - Other information technology and computer service activities

82.11.Z - Office administrative service activities

82.19.Z - Photocopying, document preparation and other specialised office support activities

85.52.Z - Out-of-school forms of cultural education

95.11.Z - Repair and maintenance of computers and peripheral equipment