Sebastian Kowalczyk

Business activity of Sebastian Kowalczyk (CEIDG)

Sebastian Kowalczyk runs a self-employed business under the name IMPROVE WS - SEBASTIAN KOWALCZYK, which is registered in the Central Register and Information on Economic Activity (CEIDG). The business has been operating since 2025-10-02 and is registered at PRZYGODNA 11/F, PL-03-991, WARSZAWA. The main area of activity of Sebastian Kowalczyk is Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms (primary PKD code: 85.59.B). Company is engaged in following activities: other non-school forms of education, not elsewhere classified. IMPROVE WS - SEBASTIAN KOWALCZYK Tax Identification Number (NIP) code: 9522274617. IMPROVE WS - SEBASTIAN KOWALCZYK REGON code: 54281333800000.