Iwaszka Jacek Iwaszkiewicz

62.20.B - IT consulting and IT equipment management activities

43.21.Z - Installation of electrical systems

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

43.24.Z - Installation of other building systems

43.35.Z - Performing other finishing construction works

43.42.Z - Performing other specialized construction works related to the construction of buildings

58.11.Z - Publishing of books

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

59.12.Z - Post-production activities related to films, video recordings, and television programs

70.20.Z - Business and management consultancy activities

73.11.Z - Advertising agency activities

74.20.Z - Photographic activities

77.32.Z - Rental and leasing of construction machinery and equipment

77.33.Z - Rental and leasing of office machinery and equipment, including computers

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