Smart-Expert Daniel Piskur

43.21.Z - Installation of electrical systems

33.14.Z - Repair and maintenance of electrical devices

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.24.Z - Installation of other building systems

59.11.Z - Activities related to the production of films, video recordings, and television programs

61.10.B - Activities in the field of wired, wireless, and satellite telecommunications

61.90.B - Activities in other telecommunications fields

62.10.B - Programming activities

62.20.B - IT consulting and IT equipment management activities

62.90.Z - Other IT and computer-related services

63.10.D - Services related to computing infrastructure, data processing, website management (hosting), and related activities

71.12.B - Engineering activities and related technical consultancy

71.20.C - Other technical testing and analysis

73.12.Z - Advertising through mass media

74.14.Z - Other specialized design activities

74.99.Z - All other professional, scientific and technical activities, not elsewhere classified

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

85.59.D - Other non-school forms of education, not classified elsewhere