"MARKOsystem" MAREK KLIMASZEWSKI

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

43.11.Z - Demolition and destruction of buildings

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

43.34.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

46.43.Z - Wholesale trade of electrical household goods

46.44.Z - Wholesale trade of porcelain, ceramic, and glass products, as well as cleaning products

46.47.Z - Wholesale trade of furniture for home, office, and shop use, carpets, and lighting equipment

46.49.Z - Wholesale trade of other household articles

46.52.Z - Wholesale trade

46.66.Z - Wholesale trade

46.73.Z - Wholesale trade of motorcycles and parts and accessories for them

46.74.Z - Wholesale trade

46.77.Z - Wholesale trade

46.90.Z - Non-specialized wholesale trade

47.19.Z - Retail trade

47.41.Z - Retail trade

47.43.Z - Retail trade

47.51.Z - Retail sale of textile products

47.52.Z - Retail sale of small metal products, building materials, paints, and glass

47.53.Z - Retail sale of carpets, rugs, and other floor coverings, as well as wall coverings

47.54.Z - Retail sale of electrical household appliances

47.79.Z - Retail sale of used products

47.91.Z - Intermediary retail sale, non-specialized

49.41.Z - Road freight transport

49.42.Z - Moving services

61.10.Z - Activities in the field of wired, wireless, and satellite telecommunications

61.20.Z - Activities related to the resale of telecommunications services and telecommunications mediation

61.30.Z - Telecommunications

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

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

63.91.Z - Portal and search engine activities

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

68.20.Z - Rental and management of own or leased real estate

69.20.Z - Accounting, bookkeeping and tax consultancy

70.22.Z - Head office activities and management consultancy

71.11.Z - Architectural activities

71.12.Z - Engineering activities and related technical consultancy

71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts

73.11.Z - Advertising agency activities

73.12.D - Advertising through mass media

73.20.Z - Market research and public opinion polling

74.30.Z - Translation and interpretation activities

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

77.11.Z - Rental and leasing of passenger cars and light motor vehicles

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

77.39.Z - Rental and leasing of other machinery, equipment, and tangible assets, not elsewhere classified

81.10.Z - Auxiliary activities related to maintaining buildings

81.21.Z - General cleaning of buildings

81.29.Z - Services related to maintaining buildings and landscaping

81.30.Z - Landscaping services

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

85.59.A - Foreign language education

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms

85.60.Z - Educational support activities