INSTITUT NATIONAL DE RECHERCHES ARCHEOLOGIQUES PREVENTIVES
In 2025, INSTITUT NATIONAL DE RECHERCHES ARCHEOLOGIQUES PREVENTIVES signed €730k of contracts with the City of Paris (maximum amounts), mostly in works on places of worship, artworks and listed monuments.
Source: the City's contract list (opendata.paris.fr) and the DECP (data.gouv.fr), data as of 29 September 2026.
Institut National de Recherches Archeologiques Preventives
registered office in Paris (75014) · headcount 2,000 to 4,999 employees · founded in 2002 · SIREN 180092264 · view on annuaire-entreprises.data.gouv.fr ↗
€730k
in contracts signed with the City in 2025, at their maximum amounts
The contracts signed
Largest first.
Archaeological excavations at Notre-Dame, rue du Cloître, phase 2signed on 19 Aug 2025€562kExcavation works at Notre-Dame, ovoid sewer connection, lightingsigned on 16 May 2025€169kExcavation works Notre-Dame / lighting and video surveillance networkssigned on 30 Oct 2024€167kEarthworks for the petit parvis and rue du Cloître Notre-Dame (excavations)signed on 6 Aug 2024€129kPreventive excavations, small forecourt and rue du Cloître-Notre-Damesigned on 12 Jul 2024€115kYear by year
2025€730 k2 contracts
2024€411 k3 contracts
Maximum 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.