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Public contracts of Nantes Métropole · 2025

Aménagements généraux et paysagers

Travaux de modernisation de l’usine de production d’eau potable de la Roche à Nantes · Phase offres-2025NM00004001

€900k
maximum contract amount over 11 months — what was paid on it is not published
Signed on 4 November 2025 · running until about October 2026 · 11 months
Ongoing5 Oct 2026

Who won it

GuintoliTravaux de terrassement spécialisés ou de grande masse · registered office Saint-Etienne-Du-Gres (13103) · headcount 2,000 to 4,999 employees · SIREN 447754086

The competition

4 bids received

Median for this procedure in 2025: 3 bids, across 585 comparable contracts. Procedure with negotiation · awarded to 1 company

Open data publishes the winner and the bid count — never the identity of unsuccessful bidders.

Number 60 by amount of the 512 contracts Nantes Métropole published for 2025.

Contract details (procedure, price, amendments, lots)

Procedure : Procédure avec négociation

Price : Unitaire

Published amendments : none

Subcontracting declared : no

Contracts above €40,000 excluding VAT, as declared when they are awarded (DECP): contract amounts, not payments. Smaller contracts are not published; obviously wrong amounts are set aside.