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Public contracts of Nantes Métropole · 2026

Travaux de rénovation du Grand Auditorium, de la Grande Halle et de la Galerie de Liaison à la Cité des Congrès de Nantes

Etanchéité · Couverture

€1.7M
maximum contract amount over 22 months — what was paid on it is not published
Signed on 4 March 2026 · running until about January 2028 · 22 months
Ongoing3 Jan 2028

That is at most ~€912k a year on average: a maximum too.

Who won it

SmacTravaux d'étanchéification · registered office Issy-Les-Moulineaux (92130) · headcount 2,000 to 4,999 employees · SIREN 682040837

The competition

5 bids received

Median for this procedure in 2026: 3 bids, across 8946 comparable contracts. Open tender · awarded to 1 company

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

Number 30 by amount of the 311 contracts Nantes Métropole published for 2026.

Other contracts of Smac in Nantes Métropole

Stade de la Beaujoire2022 · maximum over 17 months135€kTravaux de création d’un contrôle d’accès billettique, modernisation et2022 · maximum over 2.5 years111€kTravaux de restructuration de la Cité internationale des congrès de…2021 · maximum over 2 years150€k
Contract details (procedure, price, amendments, lots)

Procedure : Appel d'offres ouvert

Price : Forfaitaire

Published amendments : none

Subcontracting declared : yes

Social considerations : Clause sociale

Environmental considerations : Critère environnemental

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.