Bydgoskie Towarzystwo Budownictwa Społecznego (BTBS) is a limited liability company established by the City of Bydgoszcz. Its founding instrument was drawn up on 21 March 1996, and the company is registered in Poland’s National Court Register. In 2007, it merged with Towarzystwo Budownictwa Społecznego–ADM, after which municipal housing administrator ADM became a second shareholder.3
The company’s principal activity is building homes for rent and managing the resulting housing stock.3 Its work is focused on Bydgoszcz, where its headquarters are at ul. Grunwaldzka 64; it also operates an administration office in the Fordon district.26 BTBS develops and offers rental homes in the city. Recent examples on its website include a housing complex at ul. Leona Posłusznego 5 and 9 in Fordon, for which it announced a tenant selection process in 2025.4
Alongside housing, the company handles related property matters, including renting commercial premises and parking spaces, as well as publishing tenant and rental notices.4 The company’s website also lists Łukasz Grocholski as its president of the management board.5 The available information indicates a local geographic scope: BTBS’s stated purpose and listed projects concern Bydgoszcz.34