Consulting Piotr Szlenk

62.10.B - Programming activities

55.20.Z - Tourist accommodation and short-term accommodation facilities

62.20.B - IT consulting and IT equipment management activities

62.90.Z - Other IT and computer-related services

74.30.Z - Translation and interpretation activities

77.21.Z - Rental and leasing of recreational and sports equipment

85.59.A - Foreign language education

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms