FinExpert Mariusz Olczak

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

43.21.Z - Installation of electrical systems

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

64.19.Z - Other monetary intermediation

64.92.B - Other forms of credit granting not elsewhere classified

64.99.Z - Other financial services, except insurance and pension funds, not elsewhere classified

66.19.Z - Other activities supporting financial services, excluding insurance and pension funds

70.20.Z - Business and management consultancy activities

82.10.Z - Office administrative support activities, including related services

82.40.Z - Intermediary activities in business support services, not elsewhere classified

82.99.B - Other business support 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

85.61.Z - Mediation in organizing courses and tutoring