41.10.Z - Realization of building projects related to erection of buildings
41.20.Z - Building works related to erection of residential and non-residential buildings
42 - Civil engineering
43 - Specialised construction activities
45 - Wholesale and retail trade of motor vehicles; repair of motor vehicles
46 - Wholesale trade
47 - Retail trade
49 - Land transport and transport via pipelines
52 - Warehousing, storage and support activities for transportation
55 - Accommodation
ET BAU was established on 2019-06-07 and is currently located at ALEJA WARSZAWSKA 88/90-9, PL-10-084, OLSZTYN. Company suspended its operations from 2025-09-29. The main activity of the company is realization of building construction projects. Other activities carried out by the company include realization of building projects related to erection of buildings, building works related to erection of residential and non-residential buildings, civil engineering, specialised construction activities, wholesale and retail trade of motor vehicles; repair of motor vehicles and others. As per the latest entry in the National Court Register, the current management board of the company comprises 1 individual(s). The most recent update in the National Court Register was recorded on 2025-10-01.