BASTER
In 2025, BASTER signed €514k of contracts with the City of Paris (maximum amounts).
Source: the City's contract list (opendata.paris.fr) and the DECP (data.gouv.fr), data as of 29 September 2026.
Travaux de maçonnerie générale et gros œuvre de bâtiment
registered office in Herblay-Sur-Seine (95220) · headcount 10 to 19 employees · SIREN 378970503 · view on annuaire-entreprises.data.gouv.fr ↗
€514k
in contracts signed with the City in 2025, at their maximum amounts
The contracts signed
Largest first.
Accessibility and renovation of the Poulletier grand staircase, lot 1signed on 2 Jun 2025€514kMaximum contract amounts: what the City paid the company, contract by contract, is not published. A shared lot shows the whole lot’s amount. Source: City of Paris, DECP.