LAHAYE
In 2025, LAHAYE signed €58M of contracts with the City of Paris (maximum amounts), mostly in road construction and surfacing materials.
Source: the City's contract list (opendata.paris.fr) and the DECP (data.gouv.fr), data as of 29 September 2026.
Lahaye
registered office in Rennes (35700) · headcount 3 to 5 employees · founded in 1997 · SIREN 413760562 · view on annuaire-entreprises.data.gouv.fr ↗
The contracts signed
Largest first.
Purchase of granite kerbs, lot 1signed on 14 Aug 2025€25MPurchase of granite and porphyry slabs and paving stones, lot 2signed on 14 Aug 2025€20MPurchase of granite kerbs and separators, lot 1signed on 24 Jul 2023€15MRecycling services for road materialssigned on 20 Oct 2025€10MStone kerbs, extension of tramway line T3signed on 30 Jul 2020€6.7MRecycling of road materialssigned on 13 Oct 2017€4.8MPurchase of granite kerbs, lot 1signed on 15 May 2017€3.7MPurchase of granite or porphyry slabs and paving stones, lot 2signed on 15 May 2017€3.2M5 more contracts
Purchase of various granite items, lot 3signed on 14 Aug 2025€3MRecycling of road materials: sorting, trimming and splittingsigned on 14 Oct 2013€2.4MSupply of granite bollards, copings and tree surrounds, lot 2signed on 24 Jul 2023€2MRecycling services for road materialssigned on 23 Sept 2021€1.9MPaves en Granit ou Porphyresigned on 12 Jun 2015€250kYear by year
€€2.4M in 2013 · €€58M in 2025
Click a year to see its amount.
What for
Each category opens the page of every supplier in that category.
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.