Piotr Sikorski IT Consulting

62.01.Z - Activities related to programming, IT consulting, and related activities

41.10.Z - Construction work related to the construction of residential and non-residential buildings

41.20.Z - Construction work related to the construction of residential and non-residential buildings

42.11.Z - Works related to the construction of roads and highways

42.12.Z - Works related to the construction of railways and underground railways

42.13.Z - Works related to the construction of bridges and tunnels

42.22.Z - Works related to the construction of telecommunications and electrical lines

42.91.Z - Works related to the construction of water engineering objects

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.13.Z - Performing excavations and geological-engineering drilling

43.21.Z - Installation of electrical systems

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

43.33.Z - Flooring, wallpapering, and cladding of walls

43.34.Z - Painting and glazing

43.39.Z - Specialized construction works

43.91.Z - Masonry works

43.99.Z - Other specialized construction works, not classified elsewhere

58.11.Z - Publishing of books

58.12.Z - Publishing of newspapers

58.13.Z - Publishing of journals and periodicals

58.14.Z - Publishing activities

58.21.Z - Publishing of computer games

58.29.Z - Publishing of other software

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

59.13.Z - Activities related to the distribution of films and video recordings

59.14.Z - Activities related to the projection of films

59.20.Z - Sound recording and music publishing activities

62.02.Z - Activities related to programming, IT consulting, and related activities

62.03.Z - Activities related to programming, IT consulting, and related activities

63.12.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

63.91.Z - Portal and search engine activities

63.99.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

68.32.Z - Other real estate activities on behalf of third parties

70.22.Z - Head office activities and management consultancy

71.11.Z - Architectural activities

71.12.Z - Engineering activities and related technical consultancy

72.19.Z - Scientific research and development activities

72.20.Z - Scientific research and development in social sciences and humanities

73.11.Z - Advertising agency activities

73.12.D - Advertising through mass media

73.20.Z - Market research and public opinion polling

74.10.Z - Specialized design activities

74.20.Z - Photographic activities

74.30.Z - Translation and interpretation activities

74.90.Z - Other professional, scientific and technical activities, not elsewhere classified

78.10.Z - Employment placement and recruitment services

78.20.Z - Temporary employment agencies and other services related to employee leasing

82.11.Z - Office administrative support activities and other business support services

82.20.Z - Call center activities

82.92.Z - Packaging activities

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

90.01.Z - Creative activities and activities related to the staging of artistic performances

90.03.Z - Creative activities and activities related to the staging of artistic performances

90.04.Z - Creative activities and activities related to the staging of artistic performances

93.13.Z - Fitness club activities

95.11.Z - Repair and maintenance of computers, personal and household goods, and motor vehicles, including motorcycles

95.12.Z - Repair and maintenance of computers, personal and household goods, and motor vehicles, including motorcycles

95.22.Z - Repair and maintenance of household appliances and equipment for household and gardening use

95.25.Z - Repair and maintenance of clocks, watches, and jewelry

96.02.Z - Individual service activities

96.04.Z - Individual service activities