GREGORY Grzegorz Serafin

43.99.Z - Other specialised construction activities not elsewhere classified

41.20.Z - Building works related to erection of residential and non-residential buildings

43.39.Z - Other building completion and finishing

70.22.Z - Business and other management consultancy activities

82.11.Z - Office administrative service activities

82.99.Z - Other business support service activities not elsewhere classified

95.11.Z - Repair and maintenance of computers and peripheral equipment

95.21.Z - Repair and maintenance of consumer electronics

95.29.Z - Repair of other personal and household goods