Krzysztof Olejniczak

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

63.11.Z - Data processing, hosting and related activities

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

81.10.Z - Combined facilities support activities

81.21.Z - General cleaning of buildings

81.22.Z - Specialised building and industrial cleaning activities

81.29.Z - Other cleaning activities

81.30.Z - Landscape service activities

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

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

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

85.53.Z - Out-of- school forms of driving education

85.59.A - Teaching of foreign languages

85.59.B - Other out-of-school forms of education, not elsewhere classified

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

95.12.Z - Repair and maintenance of (tele)communication equipment

95.21.Z - Repair and maintenance of consumer electronics

95.24.Z - Repair and maintenance of furniture and home furnishings